./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.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_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/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_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/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_b9e9a453-8aee-48e9-9111-4f127aea8d58/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 9c492ba1908c68ae7fad42ab0faa06b28fe0f7f3fdd04d2f1af5f4f1b8416a55 ................................................................................................................................... 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_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/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_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/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_b9e9a453-8aee-48e9-9111-4f127aea8d58/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 9c492ba1908c68ae7fad42ab0faa06b28fe0f7f3fdd04d2f1af5f4f1b8416a55 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:37:11,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:37:11,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:37:11,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:37:11,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:37:11,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:37:11,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:37:11,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:37:11,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:37:11,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:37:11,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:37:11,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:37:11,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:37:11,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:37:11,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:37:11,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:37:11,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:37:11,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:37:11,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:37:11,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:37:11,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:37:11,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:37:11,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:37:11,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:37:11,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:37:11,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:37:11,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:37:11,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:37:11,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:37:11,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:37:11,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:37:11,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:37:11,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:37:11,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:37:11,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:37:11,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:37:11,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:37:11,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:37:11,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:37:11,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:37:11,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:37:11,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 08:37:11,233 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:37:11,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:37:11,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:37:11,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:37:11,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:37:11,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:37:11,235 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:37:11,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:37:11,235 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:37:11,236 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:37:11,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:37:11,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:37:11,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:37:11,236 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 08:37:11,237 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 08:37:11,237 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 08:37:11,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:37:11,237 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 08:37:11,237 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:37:11,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:37:11,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:37:11,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:37:11,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:37:11,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:37:11,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:37:11,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:37:11,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:37:11,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:37:11,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:37:11,239 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_b9e9a453-8aee-48e9-9111-4f127aea8d58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c492ba1908c68ae7fad42ab0faa06b28fe0f7f3fdd04d2f1af5f4f1b8416a55 [2021-10-28 08:37:11,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:37:11,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:37:11,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:37:11,514 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:37:11,516 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:37:11,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-10-28 08:37:11,595 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/data/317cc39b6/6af54f32eb7b47ebbf3df73ce54cf6d8/FLAG119c49f94 [2021-10-28 08:37:12,164 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:37:12,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-10-28 08:37:12,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/data/317cc39b6/6af54f32eb7b47ebbf3df73ce54cf6d8/FLAG119c49f94 [2021-10-28 08:37:12,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/data/317cc39b6/6af54f32eb7b47ebbf3df73ce54cf6d8 [2021-10-28 08:37:12,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:37:12,470 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 08:37:12,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:37:12,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:37:12,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:37:12,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:37:12" (1/1) ... [2021-10-28 08:37:12,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2161cd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:12, skipping insertion in model container [2021-10-28 08:37:12,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:37:12" (1/1) ... [2021-10-28 08:37:12,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:37:12,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:37:12,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:37:12,907 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-28 08:37:12,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54f1cdfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:12, skipping insertion in model container [2021-10-28 08:37:12,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:37:12,908 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 08:37:12,910 INFO L168 Benchmark]: Toolchain (without parser) took 438.46 ms. Allocated memory is still 104.9 MB. Free memory was 74.6 MB in the beginning and 61.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:37:12,911 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:37:12,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.82 ms. Allocated memory is still 104.9 MB. Free memory was 74.5 MB in the beginning and 61.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:37:12,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 423.82 ms. Allocated memory is still 104.9 MB. Free memory was 74.5 MB in the beginning and 61.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:37:15,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:37:15,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:37:15,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:37:15,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:37:15,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:37:15,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:37:15,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:37:15,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:37:15,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:37:15,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:37:15,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:37:15,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:37:15,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:37:15,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:37:15,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:37:15,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:37:15,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:37:15,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:37:15,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:37:15,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:37:15,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:37:15,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:37:15,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:37:15,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:37:15,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:37:15,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:37:15,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:37:15,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:37:15,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:37:15,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:37:15,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:37:15,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:37:15,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:37:15,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:37:15,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:37:15,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:37:15,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:37:15,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:37:15,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:37:15,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:37:15,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 08:37:15,199 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:37:15,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:37:15,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:37:15,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:37:15,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:37:15,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:37:15,203 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:37:15,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:37:15,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:37:15,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:37:15,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:37:15,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:37:15,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:37:15,205 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 08:37:15,205 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 08:37:15,205 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 08:37:15,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:37:15,205 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 08:37:15,206 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 08:37:15,206 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 08:37:15,206 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:37:15,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:37:15,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:37:15,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:37:15,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:37:15,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:37:15,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:37:15,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:37:15,208 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 08:37:15,208 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 08:37:15,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:37:15,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 08:37:15,208 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_b9e9a453-8aee-48e9-9111-4f127aea8d58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c492ba1908c68ae7fad42ab0faa06b28fe0f7f3fdd04d2f1af5f4f1b8416a55 [2021-10-28 08:37:15,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:37:15,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:37:15,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:37:15,612 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:37:15,612 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:37:15,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-10-28 08:37:15,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/data/a81d9898c/26cff82a5e29417d97866ac5e9fc7f5a/FLAGbf707c493 [2021-10-28 08:37:16,393 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:37:16,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-10-28 08:37:16,419 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/data/a81d9898c/26cff82a5e29417d97866ac5e9fc7f5a/FLAGbf707c493 [2021-10-28 08:37:16,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/data/a81d9898c/26cff82a5e29417d97866ac5e9fc7f5a [2021-10-28 08:37:16,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:37:16,633 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 08:37:16,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:37:16,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:37:16,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:37:16,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:37:16" (1/1) ... [2021-10-28 08:37:16,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fed5f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:16, skipping insertion in model container [2021-10-28 08:37:16,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:37:16" (1/1) ... [2021-10-28 08:37:16,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:37:16,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:37:17,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:37:17,111 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 08:37:17,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:37:17,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:37:17,217 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:37:17,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:37:17,383 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:37:17,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:17 WrapperNode [2021-10-28 08:37:17,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:37:17,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:37:17,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:37:17,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:37:17,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:17" (1/1) ... [2021-10-28 08:37:17,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:17" (1/1) ... [2021-10-28 08:37:17,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:17" (1/1) ... [2021-10-28 08:37:17,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:17" (1/1) ... [2021-10-28 08:37:17,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:17" (1/1) ... [2021-10-28 08:37:17,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:17" (1/1) ... [2021-10-28 08:37:17,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:17" (1/1) ... [2021-10-28 08:37:17,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:37:17,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:37:17,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:37:17,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:37:17,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:17" (1/1) ... [2021-10-28 08:37:17,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:37:17,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:37:17,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:37:17,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:37:17,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 08:37:17,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:37:17,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 08:37:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 08:37:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 08:37:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 08:37:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 08:37:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 08:37:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 08:37:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 08:37:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 08:37:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 08:37:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 08:37:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 08:37:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 08:37:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 08:37:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 08:37:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 08:37:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 08:37:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 08:37:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 08:37:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 08:37:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 08:37:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 08:37:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 08:37:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 08:37:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 08:37:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 08:37:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 08:37:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 08:37:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 08:37:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 08:37:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 08:37:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 08:37:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 08:37:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 08:37:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 08:37:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 08:37:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 08:37:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 08:37:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 08:37:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 08:37:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-10-28 08:37:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-10-28 08:37:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_3_11 [2021-10-28 08:37:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-10-28 08:37:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 08:37:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 08:37:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 08:37:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 08:37:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 08:37:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 08:37:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 08:37:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 08:37:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 08:37:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 08:37:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 08:37:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 08:37:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 08:37:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 08:37:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 08:37:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 08:37:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 08:37:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 08:37:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 08:37:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 08:37:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 08:37:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 08:37:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 08:37:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 08:37:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 08:37:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 08:37:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 08:37:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 08:37:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 08:37:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 08:37:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 08:37:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 08:37:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 08:37:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 08:37:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 08:37:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 08:37:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 08:37:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 08:37:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 08:37:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 08:37:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 08:37:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 08:37:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 08:37:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 08:37:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 08:37:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 08:37:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 08:37:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 08:37:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 08:37:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 08:37:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 08:37:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 08:37:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 08:37:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 08:37:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 08:37:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 08:37:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 08:37:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 08:37:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 08:37:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 08:37:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 08:37:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 08:37:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 08:37:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 08:37:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 08:37:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 08:37:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 08:37:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 08:37:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 08:37:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 08:37:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 08:37:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 08:37:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 08:37:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 08:37:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 08:37:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 08:37:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 08:37:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 08:37:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 08:37:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 08:37:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 08:37:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 08:37:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 08:37:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 08:37:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 08:37:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 08:37:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 08:37:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 08:37:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 08:37:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 08:37:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 08:37:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 08:37:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 08:37:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 08:37:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 08:37:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 08:37:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 08:37:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 08:37:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 08:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 08:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 08:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 08:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 08:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 08:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 08:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 08:37:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 08:37:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 08:37:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 08:37:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 08:37:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 08:37:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 08:37:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 08:37:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 08:37:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 08:37:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 08:37:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 08:37:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 08:37:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 08:37:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 08:37:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 08:37:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 08:37:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 08:37:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 08:37:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 08:37:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 08:37:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 08:37:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 08:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 08:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 08:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 08:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 08:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 08:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 08:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 08:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 08:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 08:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 08:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 08:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 08:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 08:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 08:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 08:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 08:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 08:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 08:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 08:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 08:37:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 08:37:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 08:37:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 08:37:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 08:37:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 08:37:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 08:37:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 08:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 08:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 08:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 08:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-10-28 08:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-10-28 08:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_3_11 [2021-10-28 08:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-10-28 08:37:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 08:37:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 08:37:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 08:37:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:37:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 08:37:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:37:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 08:37:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 08:37:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 08:37:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 08:37:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 08:37:18,345 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:37:18,715 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:37:19,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:37:19,161 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 08:37:19,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:37:19 BoogieIcfgContainer [2021-10-28 08:37:19,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:37:19,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:37:19,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:37:19,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:37:19,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:37:16" (1/3) ... [2021-10-28 08:37:19,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0048da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:37:19, skipping insertion in model container [2021-10-28 08:37:19,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:17" (2/3) ... [2021-10-28 08:37:19,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0048da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:37:19, skipping insertion in model container [2021-10-28 08:37:19,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:37:19" (3/3) ... [2021-10-28 08:37:19,172 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11_2.i [2021-10-28 08:37:19,177 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:37:19,178 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2021-10-28 08:37:19,223 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:37:19,229 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:37:19,229 INFO L340 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2021-10-28 08:37:19,247 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-10-28 08:37:19,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 08:37:19,256 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:37:19,256 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:37:19,257 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 08:37:19,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:37:19,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1897725955, now seen corresponding path program 1 times [2021-10-28 08:37:19,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:37:19,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8929844] [2021-10-28 08:37:19,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:37:19,276 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:37:19,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:37:19,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:37:19,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 08:37:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:37:19,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:37:19,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:37:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:37:19,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:37:19,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:37:19,791 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:37:19,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [8929844] [2021-10-28 08:37:19,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [8929844] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:37:19,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:37:19,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 08:37:19,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982881229] [2021-10-28 08:37:19,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:37:19,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:37:19,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:37:19,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:37:19,825 INFO L87 Difference]: Start difference. First operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 08:37:19,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:37:19,960 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2021-10-28 08:37:19,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:37:19,964 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2021-10-28 08:37:19,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:37:19,976 INFO L225 Difference]: With dead ends: 146 [2021-10-28 08:37:19,977 INFO L226 Difference]: Without dead ends: 143 [2021-10-28 08:37:19,978 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:37:19,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-28 08:37:20,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2021-10-28 08:37:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5517241379310345) internal successors, (90), 84 states have internal predecessors, (90), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-10-28 08:37:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2021-10-28 08:37:20,021 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 16 [2021-10-28 08:37:20,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:37:20,021 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2021-10-28 08:37:20,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 08:37:20,022 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2021-10-28 08:37:20,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 08:37:20,023 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:37:20,023 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:37:20,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:37:20,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:37:20,239 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 08:37:20,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:37:20,239 INFO L85 PathProgramCache]: Analyzing trace with hash -154915620, now seen corresponding path program 1 times [2021-10-28 08:37:20,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:37:20,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268314364] [2021-10-28 08:37:20,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:37:20,240 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:37:20,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:37:20,244 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:37:20,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 08:37:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:37:20,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:37:20,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:37:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:37:20,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:37:20,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:37:20,604 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:37:20,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268314364] [2021-10-28 08:37:20,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268314364] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:37:20,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:37:20,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 08:37:20,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094037395] [2021-10-28 08:37:20,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:37:20,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:37:20,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:37:20,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:37:20,615 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 08:37:20,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:37:20,838 INFO L93 Difference]: Finished difference Result 158 states and 182 transitions. [2021-10-28 08:37:20,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:37:20,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-10-28 08:37:20,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:37:20,840 INFO L225 Difference]: With dead ends: 158 [2021-10-28 08:37:20,841 INFO L226 Difference]: Without dead ends: 155 [2021-10-28 08:37:20,841 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:37:20,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-10-28 08:37:20,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2021-10-28 08:37:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 81 states have internal predecessors, (86), 14 states have call successors, (14), 10 states have call predecessors, (14), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-28 08:37:20,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2021-10-28 08:37:20,863 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 16 [2021-10-28 08:37:20,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:37:20,863 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2021-10-28 08:37:20,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 08:37:20,863 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2021-10-28 08:37:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 08:37:20,864 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:37:20,864 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:37:20,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:37:21,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:37:21,065 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 08:37:21,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:37:21,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1553334128, now seen corresponding path program 1 times [2021-10-28 08:37:21,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:37:21,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106334371] [2021-10-28 08:37:21,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:37:21,067 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:37:21,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:37:21,071 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:37:21,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 08:37:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:37:21,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:37:21,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:37:21,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:37:21,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:37:21,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:37:21,393 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:37:21,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106334371] [2021-10-28 08:37:21,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106334371] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:37:21,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:37:21,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 08:37:21,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451758753] [2021-10-28 08:37:21,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:37:21,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:37:21,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:37:21,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:37:21,395 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 08:37:21,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:37:21,486 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2021-10-28 08:37:21,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:37:21,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2021-10-28 08:37:21,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:37:21,490 INFO L225 Difference]: With dead ends: 140 [2021-10-28 08:37:21,491 INFO L226 Difference]: Without dead ends: 140 [2021-10-28 08:37:21,491 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:37:21,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-28 08:37:21,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2021-10-28 08:37:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 84 states have internal predecessors, (89), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-10-28 08:37:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2021-10-28 08:37:21,502 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 21 [2021-10-28 08:37:21,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:37:21,503 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2021-10-28 08:37:21,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 08:37:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2021-10-28 08:37:21,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 08:37:21,504 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:37:21,504 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:37:21,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:37:21,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:37:21,719 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 08:37:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:37:21,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1553334161, now seen corresponding path program 1 times [2021-10-28 08:37:21,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:37:21,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861967773] [2021-10-28 08:37:21,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:37:21,721 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:37:21,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:37:21,722 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:37:21,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 08:37:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:37:21,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:37:21,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:37:21,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 08:37:22,112 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-28 08:37:22,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-10-28 08:37:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:37:22,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:37:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:37:22,443 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:37:22,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861967773] [2021-10-28 08:37:22,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861967773] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 08:37:22,444 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:37:22,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-28 08:37:22,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609388633] [2021-10-28 08:37:22,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:37:22,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:37:22,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:37:22,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:37:22,448 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 08:37:23,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:37:23,526 INFO L93 Difference]: Finished difference Result 205 states and 236 transitions. [2021-10-28 08:37:23,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 08:37:23,527 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2021-10-28 08:37:23,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:37:23,530 INFO L225 Difference]: With dead ends: 205 [2021-10-28 08:37:23,530 INFO L226 Difference]: Without dead ends: 205 [2021-10-28 08:37:23,531 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-10-28 08:37:23,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-10-28 08:37:23,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 124. [2021-10-28 08:37:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 71 states have (on average 1.5070422535211268) internal successors, (107), 95 states have internal predecessors, (107), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (19), 17 states have call predecessors, (19), 14 states have call successors, (19) [2021-10-28 08:37:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 141 transitions. [2021-10-28 08:37:23,546 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 141 transitions. Word has length 21 [2021-10-28 08:37:23,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:37:23,547 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 141 transitions. [2021-10-28 08:37:23,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 08:37:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2021-10-28 08:37:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 08:37:23,548 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:37:23,548 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:37:23,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-28 08:37:23,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:37:23,759 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 08:37:23,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:37:23,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1553334162, now seen corresponding path program 1 times [2021-10-28 08:37:23,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:37:23,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078839490] [2021-10-28 08:37:23,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:37:23,760 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:37:23,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:37:23,766 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:37:23,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 08:37:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:37:23,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 08:37:23,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:37:24,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 08:37:24,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 08:37:26,322 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 08:37:26,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2021-10-28 08:37:26,334 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 08:37:26,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2021-10-28 08:37:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:37:26,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:37:40,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2021-10-28 08:37:42,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:37:42,674 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:37:42,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078839490] [2021-10-28 08:37:42,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078839490] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 08:37:42,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:37:42,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-28 08:37:42,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215812988] [2021-10-28 08:37:42,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-28 08:37:42,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:37:42,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 08:37:42,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=196, Unknown=6, NotChecked=0, Total=240 [2021-10-28 08:37:42,676 INFO L87 Difference]: Start difference. First operand 124 states and 141 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 08:41:21,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:21,676 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-10-28 08:41:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-28 08:41:21,677 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 21 [2021-10-28 08:41:21,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:21,680 INFO L225 Difference]: With dead ends: 308 [2021-10-28 08:41:21,680 INFO L226 Difference]: Without dead ends: 308 [2021-10-28 08:41:21,681 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 53.0s TimeCoverageRelationStatistics Valid=149, Invalid=709, Unknown=12, NotChecked=0, Total=870 [2021-10-28 08:41:21,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-10-28 08:41:21,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 138. [2021-10-28 08:41:21,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 82 states have (on average 1.524390243902439) internal successors, (125), 106 states have internal predecessors, (125), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (23), 20 states have call predecessors, (23), 17 states have call successors, (23) [2021-10-28 08:41:21,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 166 transitions. [2021-10-28 08:41:21,697 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 166 transitions. Word has length 21 [2021-10-28 08:41:21,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:21,697 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 166 transitions. [2021-10-28 08:41:21,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 08:41:21,698 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2021-10-28 08:41:21,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 08:41:21,699 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:21,699 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:41:21,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:21,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:41:21,912 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 08:41:21,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:21,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1259931154, now seen corresponding path program 1 times [2021-10-28 08:41:21,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:41:21,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863379899] [2021-10-28 08:41:21,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:21,914 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:41:21,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:41:21,915 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:41:21,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 08:41:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:22,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:41:22,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:22,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:41:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:41:22,400 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:41:22,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863379899] [2021-10-28 08:41:22,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1863379899] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-28 08:41:22,400 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:41:22,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-10-28 08:41:22,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857436958] [2021-10-28 08:41:22,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:41:22,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:41:22,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:41:22,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:41:22,402 INFO L87 Difference]: Start difference. First operand 138 states and 166 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 08:41:22,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:22,430 INFO L93 Difference]: Finished difference Result 129 states and 151 transitions. [2021-10-28 08:41:22,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:41:22,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2021-10-28 08:41:22,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:22,432 INFO L225 Difference]: With dead ends: 129 [2021-10-28 08:41:22,432 INFO L226 Difference]: Without dead ends: 125 [2021-10-28 08:41:22,433 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:41:22,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-10-28 08:41:22,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-10-28 08:41:22,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 74 states have (on average 1.527027027027027) internal successors, (113), 96 states have internal predecessors, (113), 16 states have call successors, (16), 11 states have call predecessors, (16), 10 states have return successors, (18), 17 states have call predecessors, (18), 15 states have call successors, (18) [2021-10-28 08:41:22,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2021-10-28 08:41:22,441 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 21 [2021-10-28 08:41:22,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:22,441 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2021-10-28 08:41:22,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 08:41:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2021-10-28 08:41:22,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 08:41:22,442 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:22,443 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:41:22,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:22,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:41:22,653 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 08:41:22,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:22,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1796221871, now seen corresponding path program 1 times [2021-10-28 08:41:22,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:41:22,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700561506] [2021-10-28 08:41:22,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:22,655 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:41:22,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:41:22,656 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:41:22,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-28 08:41:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:22,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:41:22,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:23,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:41:23,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:41:23,396 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:41:23,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700561506] [2021-10-28 08:41:23,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1700561506] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 08:41:23,397 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:41:23,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-10-28 08:41:23,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925485906] [2021-10-28 08:41:23,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 08:41:23,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:41:23,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 08:41:23,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-28 08:41:23,399 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 08:41:23,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:23,820 INFO L93 Difference]: Finished difference Result 124 states and 145 transitions. [2021-10-28 08:41:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 08:41:23,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 22 [2021-10-28 08:41:23,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:23,823 INFO L225 Difference]: With dead ends: 124 [2021-10-28 08:41:23,823 INFO L226 Difference]: Without dead ends: 124 [2021-10-28 08:41:23,824 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:41:23,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-28 08:41:23,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-10-28 08:41:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 74 states have (on average 1.5) internal successors, (111), 95 states have internal predecessors, (111), 16 states have call successors, (16), 11 states have call predecessors, (16), 10 states have return successors, (18), 17 states have call predecessors, (18), 15 states have call successors, (18) [2021-10-28 08:41:23,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2021-10-28 08:41:23,831 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 22 [2021-10-28 08:41:23,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:23,831 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2021-10-28 08:41:23,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 08:41:23,832 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2021-10-28 08:41:23,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 08:41:23,833 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:23,833 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:41:23,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:24,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:41:24,045 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 08:41:24,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:24,045 INFO L85 PathProgramCache]: Analyzing trace with hash -880393985, now seen corresponding path program 1 times [2021-10-28 08:41:24,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:41:24,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156487269] [2021-10-28 08:41:24,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:24,048 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:41:24,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:41:24,048 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:41:24,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-28 08:41:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:24,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 08:41:24,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:24,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:41:24,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:41:32,979 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_8| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_8| (store |c_#valid| c_entry_point_~c11~0.base (_ bv0 1))) (exists ((v_entry_point_~c11~0.base_29 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_8| (store |c_old(#valid)| v_entry_point_~c11~0.base_29 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~c11~0.base_29))))))))) is different from false [2021-10-28 08:41:33,279 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:41:33,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156487269] [2021-10-28 08:41:33,280 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_1)=(= (select (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_1) (select v_prenex_1 v_antiDerIndex_entry0_1))} [2021-10-28 08:41:33,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1166211530] [2021-10-28 08:41:33,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:33,280 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 08:41:33,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/cvc4 [2021-10-28 08:41:33,284 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 08:41:33,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-28 08:41:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:33,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 08:41:33,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:33,761 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 08:41:33,761 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 08:41:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:41:40,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:41:52,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_5)=(= (select v_prenex_5 v_antiDerIndex_entry0_2) (select (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_2))} [2021-10-28 08:41:52,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034701709] [2021-10-28 08:41:52,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:52,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:41:52,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:52,013 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:41:52,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 08:41:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:52,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 08:41:52,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:41:52,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:42:05,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_19| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_9)=(= (select v_prenex_9 v_antiDerIndex_entry0_3) (select (store |v_old(#valid)_BEFORE_CALL_19| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_3))} [2021-10-28 08:42:05,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:42:05,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-28 08:42:05,299 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-28 08:42:05,299 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-10-28 08:42:05,305 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 08:42:05,307 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 08:42:05,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 08:42:05,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 08:42:05,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 08:42:05,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 08:42:05,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 08:42:05,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 08:42:05,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 08:42:05,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 08:42:05,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 08:42:05,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 08:42:05,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 08:42:05,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 08:42:05,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 08:42:05,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 08:42:05,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 08:42:05,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 08:42:05,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 08:42:05,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,316 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,316 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,316 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,316 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,316 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 08:42:05,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 08:42:05,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 08:42:05,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 08:42:05,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err0REQUIRES_VIOLATION [2021-10-28 08:42:05,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err1REQUIRES_VIOLATION [2021-10-28 08:42:05,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err2REQUIRES_VIOLATION [2021-10-28 08:42:05,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err3REQUIRES_VIOLATION [2021-10-28 08:42:05,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err4REQUIRES_VIOLATION [2021-10-28 08:42:05,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err5REQUIRES_VIOLATION [2021-10-28 08:42:05,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 08:42:05,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 08:42:05,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-10-28 08:42:05,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-10-28 08:42:05,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-10-28 08:42:05,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-10-28 08:42:05,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:42:05,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-28 08:42:05,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:42:05,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:42:05,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:42:05,941 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:42:05,943 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:42:05,946 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 08:42:05,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:42:05 BoogieIcfgContainer [2021-10-28 08:42:05,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:42:05,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:42:05,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:42:05,963 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:42:05,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:37:19" (3/4) ... [2021-10-28 08:42:05,965 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:42:05,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:42:05,966 INFO L168 Benchmark]: Toolchain (without parser) took 289332.37 ms. Allocated memory was 79.7 MB in the beginning and 117.4 MB in the end (delta: 37.7 MB). Free memory was 64.5 MB in the beginning and 76.4 MB in the end (delta: -11.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2021-10-28 08:42:05,966 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 61.8 MB in the beginning and 61.7 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:42:05,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.02 ms. Allocated memory is still 79.7 MB. Free memory was 64.3 MB in the beginning and 44.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:42:05,967 INFO L168 Benchmark]: Boogie Preprocessor took 148.75 ms. Allocated memory is still 79.7 MB. Free memory was 44.5 MB in the beginning and 39.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:42:05,967 INFO L168 Benchmark]: RCFGBuilder took 1629.24 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 39.6 MB in the beginning and 57.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:42:05,968 INFO L168 Benchmark]: TraceAbstraction took 286794.25 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 57.3 MB in the beginning and 76.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 52.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:42:05,968 INFO L168 Benchmark]: Witness Printer took 2.65 ms. Allocated memory is still 117.4 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:42:05,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 61.8 MB in the beginning and 61.7 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 751.02 ms. Allocated memory is still 79.7 MB. Free memory was 64.3 MB in the beginning and 44.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 148.75 ms. Allocated memory is still 79.7 MB. Free memory was 44.5 MB in the beginning and 39.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1629.24 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 39.6 MB in the beginning and 57.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 286794.25 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 57.3 MB in the beginning and 76.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 52.2 MB. Max. memory is 16.1 GB. * Witness Printer took 2.65 ms. Allocated memory is still 117.4 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 822]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 822. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L823] CALL entry_point() [L802] CALL, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L802] RET, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L802] struct ldv_i2c_client *c11 = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L803] COND FALSE !(!c11) [L805] CALL, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L805] RET, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L804-L805] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L806] COND TRUE !cfg [L818] free(c11) [L818] free(c11) [L818] free(c11) [L823] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 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: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 405 locations, 93 error locations. Started 1 CEGAR loops. OverallTime: 286.7s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 221.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 846 SDtfs, 1012 SDslu, 2257 SDs, 0 SdLazy, 1867 SolverSat, 317 SolverUnsat, 85 SolverUnknown, 0 SolverNotchecked, 181.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 291 GetRequests, 226 SyntacticMatches, 6 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 53.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 366 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 29.6s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 287 ConstructedInterpolants, 24 QuantifiedInterpolants, 1549 SizeOfPredicates, 8 NumberOfNonLiveVariables, 714 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 26/44 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-28 08:42:06,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e9a453-8aee-48e9-9111-4f127aea8d58/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...