./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.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_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD --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 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 ................................................................................................................................... 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_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD --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 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:33:05,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:33:05,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:33:05,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:33:05,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:33:05,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:33:05,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:33:05,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:33:05,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:33:05,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:33:05,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:33:05,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:33:05,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:33:05,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:33:05,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:33:05,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:33:05,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:33:05,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:33:05,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:33:05,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:33:05,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:33:05,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:33:05,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:33:05,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:33:05,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:33:05,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:33:05,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:33:05,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:33:05,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:33:05,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:33:05,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:33:05,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:33:05,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:33:05,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:33:05,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:33:05,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:33:05,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:33:05,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:33:05,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:33:05,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:33:05,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:33:05,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 23:33:05,289 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:33:05,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:33:05,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:33:05,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:33:05,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:33:05,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:33:05,294 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:33:05,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:33:05,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:33:05,295 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:33:05,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:33:05,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:33:05,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:33:05,296 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:33:05,297 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:33:05,297 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:33:05,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:33:05,298 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:33:05,306 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:33:05,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:33:05,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:33:05,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:33:05,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:33:05,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:33:05,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:33:05,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:33:05,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:33:05,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:33:05,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:33:05,310 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_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 [2021-10-28 23:33:05,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:33:05,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:33:05,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:33:05,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:33:05,778 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:33:05,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-10-28 23:33:05,886 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/data/90e4f4e05/9562b8ca4aa04092b33b17930f457df7/FLAGed831b0ec [2021-10-28 23:33:06,615 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:33:06,616 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-10-28 23:33:06,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/data/90e4f4e05/9562b8ca4aa04092b33b17930f457df7/FLAGed831b0ec [2021-10-28 23:33:06,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/data/90e4f4e05/9562b8ca4aa04092b33b17930f457df7 [2021-10-28 23:33:06,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:33:06,804 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:33:06,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:33:06,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:33:06,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:33:06,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:33:06" (1/1) ... [2021-10-28 23:33:06,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4f8c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:06, skipping insertion in model container [2021-10-28 23:33:06,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:33:06" (1/1) ... [2021-10-28 23:33:06,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:33:06,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:33:07,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:33:07,417 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 23:33:07,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59c9339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:07, skipping insertion in model container [2021-10-28 23:33:07,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:33:07,419 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 23:33:07,422 INFO L168 Benchmark]: Toolchain (without parser) took 615.80 ms. Allocated memory is still 119.5 MB. Free memory was 84.3 MB in the beginning and 93.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:07,423 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 81.8 MB. Free memory was 53.0 MB in the beginning and 53.0 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:33:07,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.30 ms. Allocated memory is still 119.5 MB. Free memory was 84.3 MB in the beginning and 93.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:07,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 81.8 MB. Free memory was 53.0 MB in the beginning and 53.0 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 600.30 ms. Allocated memory is still 119.5 MB. Free memory was 84.3 MB in the beginning and 93.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:33:10,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:33:10,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:33:10,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:33:10,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:33:10,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:33:10,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:33:10,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:33:10,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:33:10,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:33:10,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:33:10,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:33:10,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:33:10,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:33:10,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:33:10,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:33:10,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:33:10,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:33:10,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:33:10,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:33:10,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:33:10,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:33:10,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:33:10,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:33:10,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:33:10,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:33:10,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:33:10,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:33:10,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:33:10,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:33:10,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:33:10,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:33:10,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:33:10,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:33:10,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:33:10,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:33:10,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:33:10,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:33:10,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:33:10,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:33:10,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:33:10,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 23:33:10,442 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:33:10,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:33:10,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:33:10,443 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:33:10,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:33:10,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:33:10,445 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:33:10,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:33:10,446 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:33:10,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:33:10,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:33:10,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:33:10,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:33:10,447 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:33:10,447 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:33:10,447 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:33:10,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:33:10,448 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:33:10,448 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:33:10,448 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:33:10,449 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:33:10,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:33:10,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:33:10,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:33:10,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:33:10,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:33:10,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:33:10,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:33:10,451 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:33:10,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:33:10,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:33:10,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:33:10,452 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_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 [2021-10-28 23:33:10,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:33:10,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:33:10,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:33:10,913 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:33:10,914 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:33:10,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-10-28 23:33:11,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/data/8dcb7469e/e8c742dca12740409d7a3fe4bfc932ee/FLAG056001364 [2021-10-28 23:33:11,763 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:33:11,764 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-10-28 23:33:11,788 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/data/8dcb7469e/e8c742dca12740409d7a3fe4bfc932ee/FLAG056001364 [2021-10-28 23:33:12,001 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/data/8dcb7469e/e8c742dca12740409d7a3fe4bfc932ee [2021-10-28 23:33:12,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:33:12,008 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:33:12,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:33:12,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:33:12,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:33:12,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:33:12" (1/1) ... [2021-10-28 23:33:12,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49249abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:12, skipping insertion in model container [2021-10-28 23:33:12,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:33:12" (1/1) ... [2021-10-28 23:33:12,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:33:12,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:33:12,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:33:12,813 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 23:33:12,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:33:12,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:33:12,946 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:33:13,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:33:13,091 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:33:13,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:13 WrapperNode [2021-10-28 23:33:13,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:33:13,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:33:13,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:33:13,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:33:13,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:13" (1/1) ... [2021-10-28 23:33:13,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:13" (1/1) ... [2021-10-28 23:33:13,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:13" (1/1) ... [2021-10-28 23:33:13,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:13" (1/1) ... [2021-10-28 23:33:13,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:13" (1/1) ... [2021-10-28 23:33:13,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:13" (1/1) ... [2021-10-28 23:33:13,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:13" (1/1) ... [2021-10-28 23:33:13,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:33:13,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:33:13,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:33:13,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:33:13,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:13" (1/1) ... [2021-10-28 23:33:13,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:33:13,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:13,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:13,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:33:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 23:33:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:33:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:33:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:33:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 23:33:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 23:33:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 23:33:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 23:33:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 23:33:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 23:33:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 23:33:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 23:33:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 23:33:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:33:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 23:33:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 23:33:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 23:33:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 23:33:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 23:33:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 23:33:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 23:33:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 23:33:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 23:33:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 23:33:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 23:33:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 23:33:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 23:33:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 23:33:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 23:33:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 23:33:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 23:33:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 23:33:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 23:33:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 23:33:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 23:33:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 23:33:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 23:33:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 23:33:13,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 23:33:13,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 23:33:13,431 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 23:33:13,431 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 23:33:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure h5 [2021-10-28 23:33:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2021-10-28 23:33:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 23:33:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 23:33:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 23:33:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 23:33:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 23:33:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 23:33:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 23:33:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 23:33:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 23:33:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 23:33:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 23:33:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 23:33:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 23:33:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 23:33:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 23:33:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 23:33:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 23:33:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 23:33:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 23:33:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 23:33:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 23:33:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 23:33:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 23:33:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 23:33:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 23:33:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 23:33:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 23:33:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 23:33:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 23:33:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 23:33:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 23:33:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 23:33:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 23:33:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 23:33:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 23:33:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 23:33:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 23:33:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 23:33:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 23:33:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 23:33:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 23:33:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 23:33:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 23:33:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 23:33:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 23:33:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 23:33:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 23:33:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 23:33:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 23:33:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 23:33:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 23:33:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 23:33:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 23:33:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 23:33:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 23:33:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 23:33:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 23:33:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 23:33:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 23:33:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 23:33:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 23:33:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 23:33:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 23:33:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 23:33:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 23:33:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 23:33:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 23:33:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 23:33:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 23:33:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 23:33:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 23:33:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 23:33:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 23:33:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 23:33:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 23:33:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 23:33:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 23:33:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 23:33:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 23:33:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 23:33:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 23:33:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 23:33:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 23:33:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 23:33:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 23:33:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 23:33:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 23:33:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 23:33:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 23:33:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 23:33:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 23:33:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 23:33:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 23:33:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 23:33:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 23:33:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 23:33:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 23:33:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 23:33:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 23:33:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 23:33:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 23:33:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 23:33:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 23:33:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 23:33:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 23:33:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 23:33:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 23:33:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 23:33:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 23:33:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 23:33:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 23:33:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 23:33:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 23:33:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 23:33:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 23:33:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 23:33:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 23:33:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 23:33:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 23:33:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:33:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 23:33:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 23:33:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:33:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:33:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 23:33:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 23:33:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 23:33:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 23:33:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 23:33:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 23:33:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 23:33:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 23:33:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 23:33:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 23:33:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:33:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 23:33:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 23:33:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 23:33:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 23:33:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 23:33:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:33:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:33:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 23:33:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 23:33:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:33:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 23:33:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 23:33:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 23:33:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 23:33:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 23:33:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 23:33:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 23:33:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 23:33:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 23:33:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 23:33:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 23:33:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 23:33:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 23:33:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 23:33:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure h5 [2021-10-28 23:33:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2021-10-28 23:33:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 23:33:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 23:33:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 23:33:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:33:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 23:33:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:33:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:33:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 23:33:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 23:33:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 23:33:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 23:33:14,136 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:33:14,687 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:33:15,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:33:15,206 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 23:33:15,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:33:15 BoogieIcfgContainer [2021-10-28 23:33:15,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:33:15,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:33:15,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:33:15,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:33:15,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:33:12" (1/3) ... [2021-10-28 23:33:15,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24564b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:33:15, skipping insertion in model container [2021-10-28 23:33:15,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:13" (2/3) ... [2021-10-28 23:33:15,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24564b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:33:15, skipping insertion in model container [2021-10-28 23:33:15,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:33:15" (3/3) ... [2021-10-28 23:33:15,220 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5.i [2021-10-28 23:33:15,239 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:33:15,239 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-28 23:33:15,312 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:33:15,323 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 23:33:15,323 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-28 23:33:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-28 23:33:15,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 23:33:15,375 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:33:15,376 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:15,377 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting g5Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:33:15,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:15,398 INFO L85 PathProgramCache]: Analyzing trace with hash -797462538, now seen corresponding path program 1 times [2021-10-28 23:33:15,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:33:15,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111776690] [2021-10-28 23:33:15,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:15,414 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:33:15,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:33:15,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:33:15,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:33:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:15,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:33:15,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:33:15,940 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 23:33:15,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:33:16,192 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 23:33:16,193 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:33:16,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111776690] [2021-10-28 23:33:16,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111776690] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:33:16,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:33:16,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-10-28 23:33:16,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182530273] [2021-10-28 23:33:16,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:33:16,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:33:16,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:33:16,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:33:16,236 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:33:16,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:33:16,357 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2021-10-28 23:33:16,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:33:16,360 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-28 23:33:16,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:33:16,370 INFO L225 Difference]: With dead ends: 33 [2021-10-28 23:33:16,371 INFO L226 Difference]: Without dead ends: 30 [2021-10-28 23:33:16,373 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:33:16,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-28 23:33:16,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-28 23:33:16,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-28 23:33:16,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-10-28 23:33:16,419 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2021-10-28 23:33:16,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:33:16,421 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-10-28 23:33:16,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:33:16,422 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-10-28 23:33:16,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 23:33:16,424 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:33:16,424 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:16,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:16,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:33:16,640 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting g5Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:33:16,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:16,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1048465454, now seen corresponding path program 1 times [2021-10-28 23:33:16,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:33:16,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391708361] [2021-10-28 23:33:16,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:16,653 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:33:16,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:33:16,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:33:16,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:33:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:16,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 23:33:16,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:33:17,400 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 23:33:17,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:33:17,938 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 23:33:17,938 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:33:17,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391708361] [2021-10-28 23:33:17,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391708361] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:33:17,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:33:17,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2021-10-28 23:33:17,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451776293] [2021-10-28 23:33:17,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-28 23:33:17,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:33:17,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-28 23:33:17,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-10-28 23:33:17,943 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-28 23:33:18,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:33:18,561 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2021-10-28 23:33:18,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-28 23:33:18,562 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 21 [2021-10-28 23:33:18,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:33:18,566 INFO L225 Difference]: With dead ends: 46 [2021-10-28 23:33:18,566 INFO L226 Difference]: Without dead ends: 46 [2021-10-28 23:33:18,567 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-10-28 23:33:18,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-28 23:33:18,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2021-10-28 23:33:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 28 states have internal predecessors, (30), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-10-28 23:33:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-10-28 23:33:18,577 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2021-10-28 23:33:18,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:33:18,578 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-10-28 23:33:18,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-28 23:33:18,578 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-10-28 23:33:18,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:33:18,580 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:33:18,580 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:18,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-28 23:33:18,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:33:18,795 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting g5Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:33:18,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:18,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1857308936, now seen corresponding path program 1 times [2021-10-28 23:33:18,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:33:18,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351981582] [2021-10-28 23:33:18,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:18,797 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:33:18,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:33:18,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:33:18,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:33:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:19,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 23:33:19,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:33:19,102 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 23:33:19,274 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 23:33:19,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:33:19,537 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 23:33:19,537 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:33:19,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351981582] [2021-10-28 23:33:19,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351981582] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:33:19,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:33:19,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-10-28 23:33:19,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130512124] [2021-10-28 23:33:19,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:33:19,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:33:19,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:33:19,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:33:19,540 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:33:19,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:33:19,697 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2021-10-28 23:33:19,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:33:19,698 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-10-28 23:33:19,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:33:19,699 INFO L225 Difference]: With dead ends: 43 [2021-10-28 23:33:19,699 INFO L226 Difference]: Without dead ends: 43 [2021-10-28 23:33:19,700 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 7 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:33:19,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-28 23:33:19,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-28 23:33:19,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 28 states have internal predecessors, (29), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-10-28 23:33:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2021-10-28 23:33:19,708 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 22 [2021-10-28 23:33:19,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:33:19,709 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2021-10-28 23:33:19,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:33:19,709 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2021-10-28 23:33:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:33:19,710 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:33:19,710 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:19,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:19,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:33:19,911 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting g5Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:33:19,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:19,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2144255353, now seen corresponding path program 1 times [2021-10-28 23:33:19,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:33:19,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871573312] [2021-10-28 23:33:19,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:19,913 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:33:19,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:33:19,916 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:33:19,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 23:33:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:20,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-28 23:33:20,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:33:20,378 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 23:33:20,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:33:20,686 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 23:33:20,686 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:33:20,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [871573312] [2021-10-28 23:33:20,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [871573312] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:33:20,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:33:20,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2021-10-28 23:33:20,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842173789] [2021-10-28 23:33:20,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:33:20,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:33:20,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:33:20,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:33:20,690 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:33:20,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:33:20,779 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2021-10-28 23:33:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:33:20,779 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-10-28 23:33:20,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:33:20,781 INFO L225 Difference]: With dead ends: 41 [2021-10-28 23:33:20,781 INFO L226 Difference]: Without dead ends: 41 [2021-10-28 23:33:20,781 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:33:20,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-28 23:33:20,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-10-28 23:33:20,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 24 states have internal predecessors, (24), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-10-28 23:33:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2021-10-28 23:33:20,787 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 22 [2021-10-28 23:33:20,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:33:20,788 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2021-10-28 23:33:20,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:33:20,788 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2021-10-28 23:33:20,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:33:20,789 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:33:20,790 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:20,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:20,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:33:20,990 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:33:20,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:20,991 INFO L85 PathProgramCache]: Analyzing trace with hash -714793594, now seen corresponding path program 1 times [2021-10-28 23:33:20,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:33:20,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930265836] [2021-10-28 23:33:20,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:20,992 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:33:20,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:33:20,993 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:33:20,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 23:33:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:21,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:33:21,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:33:21,349 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 23:33:21,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:33:21,563 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 23:33:21,563 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:33:21,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930265836] [2021-10-28 23:33:21,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930265836] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:33:21,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:33:21,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 23:33:21,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807454979] [2021-10-28 23:33:21,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:33:21,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:33:21,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:33:21,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:33:21,566 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-10-28 23:33:21,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:33:21,607 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2021-10-28 23:33:21,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:33:21,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2021-10-28 23:33:21,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:33:21,609 INFO L225 Difference]: With dead ends: 42 [2021-10-28 23:33:21,609 INFO L226 Difference]: Without dead ends: 28 [2021-10-28 23:33:21,609 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 23:33:21,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-10-28 23:33:21,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-10-28 23:33:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-28 23:33:21,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2021-10-28 23:33:21,613 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 24 [2021-10-28 23:33:21,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:33:21,614 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2021-10-28 23:33:21,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-10-28 23:33:21,614 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2021-10-28 23:33:21,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 23:33:21,615 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:33:21,615 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:21,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:21,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:33:21,816 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:33:21,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:21,817 INFO L85 PathProgramCache]: Analyzing trace with hash -745239103, now seen corresponding path program 1 times [2021-10-28 23:33:21,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:33:21,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977703181] [2021-10-28 23:33:21,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:21,818 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:33:21,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:33:21,818 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:33:21,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 23:33:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:22,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-28 23:33:22,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:33:22,523 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 23:33:22,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:33:37,613 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:33:37,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977703181] [2021-10-28 23:33:37,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_1)=(= (select v_prenex_1 v_antiDerIndex_entry0_1) (select (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_antiDerIndex_entry0_1))} [2021-10-28 23:33:37,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [359680458] [2021-10-28 23:33:37,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:37,615 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 23:33:37,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/cvc4 [2021-10-28 23:33:37,622 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 23:33:37,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-28 23:33:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:38,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-28 23:33:38,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:33:38,119 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 23:33:38,119 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 23:33:46,747 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 23:33:46,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:33:51,523 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_19| |c_#valid|) (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_19| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))))) is different from false [2021-10-28 23:33:51,657 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_19| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))) (= |v_old(#valid)_BEFORE_CALL_19| (store |c_#valid| c_entry_point_~p~1.base (_ bv0 1))))) is different from false [2021-10-28 23:33:51,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_20| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3)=(= (select (store |v_old(#valid)_BEFORE_CALL_20| v_entry_point_~p~1.base_15 (_ bv0 1)) v_antiDerIndex_entry0_2) (select v_prenex_3 v_antiDerIndex_entry0_2))} [2021-10-28 23:33:51,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558372808] [2021-10-28 23:33:51,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:51,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:33:51,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:51,759 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:33:51,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 23:33:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:52,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-28 23:33:52,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:33:52,274 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 23:33:52,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:34:07,120 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_25| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_25| (store |c_#valid| c_entry_point_~p~1.base (_ bv0 1))) (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_25| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))))) is different from false [2021-10-28 23:34:07,439 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-28 23:34:07,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 65 treesize of output 112 [2021-10-28 23:34:08,145 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:34:08,145 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 32 [2021-10-28 23:34:08,286 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_25| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_25| (store |c_#valid| |c_entry_point_#t~ret39.base| (_ bv0 1))) (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_25| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))))) is different from false [2021-10-28 23:34:08,569 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_25| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_25| (store |c_#valid| |v_entry_point_#t~ret39.base_48| (_ bv0 1))) (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_25| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| |v_entry_point_#t~ret39.base_48|))))))))))) is different from false [2021-10-28 23:34:08,950 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-28 23:34:08,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 80 treesize of output 127 [2021-10-28 23:34:10,773 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:34:10,773 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 40 treesize of output 44 [2021-10-28 23:34:10,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-28 23:34:11,641 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:34:11,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 103 [2021-10-28 23:34:14,262 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_48|)))))))))) (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1))) (or (= (_ bv0 1) (bvadd (bvneg (select (store |c_#valid| |c_h5_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_8)) v_arrayElimCell_14)) (not (= (_ bv0 1) (bvneg v_arrayElimCell_14)))))) is different from true [2021-10-28 23:34:16,326 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1))) (let ((.cse0 (bvneg v_arrayElimCell_14))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (select (store |c_#valid| |c_h5_#t~ret38.base| (_ bv0 1)) v_antiDerIndex_entry0_8))) .cse0)) (not (= (_ bv0 1) .cse0))))) (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_48|))))))))))) is different from true [2021-10-28 23:34:18,467 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1)) (|v_h5_#t~ret38.base_78| (_ BitVec 32))) (let ((.cse0 (bvneg v_arrayElimCell_14))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (select (store |c_#valid| |v_h5_#t~ret38.base_78| (_ bv0 1)) v_antiDerIndex_entry0_8))) .cse0)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_h5_#t~ret38.base_78|)))) (not (= (_ bv0 1) .cse0))))) (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_48|))))))))))) is different from true [2021-10-28 23:34:20,555 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1))) (let ((.cse0 (bvneg v_arrayElimCell_14))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_8)))) (bvneg .cse0))) (not (= (_ bv0 1) .cse0))))) (exists ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1)) (|v_h5_#t~ret38.base_78| (_ BitVec 32))) (let ((.cse1 (bvneg v_arrayElimCell_14))) (and (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_h5_#t~ret38.base_78|)))) (= (_ bv0 1) .cse1) (not (= (_ bv0 1) (bvadd (bvneg (bvneg (select (store |c_old(#valid)| |v_h5_#t~ret38.base_78| (_ bv0 1)) v_antiDerIndex_entry0_8))) .cse1)))))) (forall ((|v_old(#valid)_BEFORE_CALL_28| (Array (_ BitVec 32) (_ BitVec 1)))) (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_28| |v_entry_point_#t~ret39.base_48|)))))))))))) is different from true [2021-10-28 23:34:22,769 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1)) (|v_h5_#t~ret38.base_78| (_ BitVec 32))) (let ((.cse0 (bvneg v_arrayElimCell_14))) (and (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_h5_#t~ret38.base_78|)))) (= (_ bv0 1) .cse0) (not (= (_ bv0 1) (bvadd (bvneg (bvneg (select (store |c_old(#valid)| |v_h5_#t~ret38.base_78| (_ bv0 1)) v_antiDerIndex_entry0_8))) .cse0)))))) (forall ((|v_old(#valid)_BEFORE_CALL_28| (Array (_ BitVec 32) (_ BitVec 1)))) (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_28| |v_entry_point_#t~ret39.base_48|))))))))))) (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (|v_ldv_malloc_#res.base_63| (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1))) (let ((.cse1 (bvneg v_arrayElimCell_14))) (or (not (= (_ bv0 1) .cse1)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_63|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg .cse1))))) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ldv_malloc_#res.base_63| (_ bv0 1)) v_antiDerIndex_entry0_8)))))))))))))) is different from true [2021-10-28 23:34:22,900 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 23:34:22,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558372808] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:34:22,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:34:22,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 12] imperfect sequences [] total 20 [2021-10-28 23:34:22,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401016220] [2021-10-28 23:34:22,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-28 23:34:22,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:34:22,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-28 23:34:22,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=216, Unknown=54, NotChecked=410, Total=756 [2021-10-28 23:34:22,903 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand has 21 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 7 states have call successors, (11), 6 states have call predecessors, (11), 8 states have return successors, (9), 8 states have call predecessors, (9), 7 states have call successors, (9) [2021-10-28 23:34:59,239 WARN L207 SmtUtils]: Spent 16.05 s on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2021-10-28 23:35:11,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:35:11,823 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2021-10-28 23:35:11,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 23:35:11,823 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 7 states have call successors, (11), 6 states have call predecessors, (11), 8 states have return successors, (9), 8 states have call predecessors, (9), 7 states have call successors, (9) Word has length 27 [2021-10-28 23:35:11,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:35:11,824 INFO L225 Difference]: With dead ends: 27 [2021-10-28 23:35:11,824 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:35:11,825 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 86 SyntacticMatches, 10 SemanticMatches, 27 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 78.1s TimeCoverageRelationStatistics Valid=81, Invalid=232, Unknown=69, NotChecked=430, Total=812 [2021-10-28 23:35:11,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:35:11,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:35:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:35:11,825 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-10-28 23:35:11,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:35:11,826 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:35:11,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 7 states have call successors, (11), 6 states have call predecessors, (11), 8 states have return successors, (9), 8 states have call predecessors, (9), 7 states have call successors, (9) [2021-10-28 23:35:11,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:35:11,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:35:11,829 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 23:35:11,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 23:35:11,832 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,832 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,832 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 23:35:11,832 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 23:35:11,833 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,833 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,833 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 23:35:11,833 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 23:35:11,834 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 23:35:11,834 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 23:35:11,834 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 23:35:11,834 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 23:35:11,834 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,834 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,834 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,835 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,835 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:35:11,835 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:35:11,835 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,836 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,836 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 23:35:11,836 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 23:35:11,836 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,837 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,837 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,837 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,837 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 23:35:11,838 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 23:35:11,838 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 23:35:11,838 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 23:35:11,838 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,838 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,839 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,839 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,839 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,840 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,840 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,840 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,840 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,841 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,841 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 23:35:11,841 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,841 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,842 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 23:35:11,842 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 23:35:11,842 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 23:35:11,842 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 23:35:11,843 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,843 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,843 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,843 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,844 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,844 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,844 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,844 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,845 INFO L764 garLoopResultBuilder]: Registering result SAFE for location g5Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,845 INFO L764 garLoopResultBuilder]: Registering result SAFE for location g5Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,845 INFO L764 garLoopResultBuilder]: Registering result SAFE for location g5Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:35:11,845 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,846 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,846 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,846 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,846 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:35:11,847 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:35:11,847 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 23:35:11,847 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 23:35:11,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:35:12,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:35:12,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:35:12,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt [2021-10-28 23:35:12,473 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-28 23:35:12,481 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:35:12,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:35:12 BoogieIcfgContainer [2021-10-28 23:35:12,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:35:12,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:35:12,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:35:12,487 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:35:12,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:33:15" (3/4) ... [2021-10-28 23:35:12,491 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:35:12,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2021-10-28 23:35:12,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:35:12,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2021-10-28 23:35:12,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2021-10-28 23:35:12,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2021-10-28 23:35:12,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-10-28 23:35:12,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:35:12,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2021-10-28 23:35:12,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2021-10-28 23:35:12,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2021-10-28 23:35:12,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2021-10-28 23:35:12,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2021-10-28 23:35:12,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2021-10-28 23:35:12,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2021-10-28 23:35:12,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2021-10-28 23:35:12,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2021-10-28 23:35:12,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2021-10-28 23:35:12,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-10-28 23:35:12,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2021-10-28 23:35:12,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g5 [2021-10-28 23:35:12,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2021-10-28 23:35:12,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-10-28 23:35:12,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2021-10-28 23:35:12,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2021-10-28 23:35:12,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2021-10-28 23:35:12,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2021-10-28 23:35:12,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2021-10-28 23:35:12,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2021-10-28 23:35:12,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure h5 [2021-10-28 23:35:12,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2021-10-28 23:35:12,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2021-10-28 23:35:12,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2021-10-28 23:35:12,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2021-10-28 23:35:12,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2021-10-28 23:35:12,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2021-10-28 23:35:12,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2021-10-28 23:35:12,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2021-10-28 23:35:12,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2021-10-28 23:35:12,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2021-10-28 23:35:12,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-10-28 23:35:12,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2021-10-28 23:35:12,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2021-10-28 23:35:12,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2021-10-28 23:35:12,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-10-28 23:35:12,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-10-28 23:35:12,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2021-10-28 23:35:12,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2021-10-28 23:35:12,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2021-10-28 23:35:12,520 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-10-28 23:35:12,520 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 23:35:12,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:35:12,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:35:12,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:35:12,596 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:35:12,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:35:12,599 INFO L168 Benchmark]: Toolchain (without parser) took 120589.19 ms. Allocated memory was 54.5 MB in the beginning and 104.9 MB in the end (delta: 50.3 MB). Free memory was 31.3 MB in the beginning and 26.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:12,599 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:35:12,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1080.55 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 31.1 MB in the beginning and 47.8 MB in the end (delta: -16.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:12,601 INFO L168 Benchmark]: Boogie Preprocessor took 225.46 ms. Allocated memory is still 71.3 MB. Free memory was 47.8 MB in the beginning and 43.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:12,601 INFO L168 Benchmark]: RCFGBuilder took 1889.99 ms. Allocated memory is still 71.3 MB. Free memory was 43.1 MB in the beginning and 34.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:12,602 INFO L168 Benchmark]: TraceAbstraction took 117273.39 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 33.6 MB in the beginning and 31.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:12,602 INFO L168 Benchmark]: Witness Printer took 110.48 ms. Allocated memory is still 104.9 MB. Free memory was 31.6 MB in the beginning and 26.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:12,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1080.55 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 31.1 MB in the beginning and 47.8 MB in the end (delta: -16.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 225.46 ms. Allocated memory is still 71.3 MB. Free memory was 47.8 MB in the beginning and 43.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1889.99 ms. Allocated memory is still 71.3 MB. Free memory was 43.1 MB in the beginning and 34.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 117273.39 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 33.6 MB in the beginning and 31.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. * Witness Printer took 110.48 ms. Allocated memory is still 104.9 MB. Free memory was 31.6 MB in the beginning and 26.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * 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 - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 770]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 117.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 50.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 153 SDtfs, 88 SDslu, 719 SDs, 0 SdLazy, 591 SolverSat, 23 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 23.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 342 GetRequests, 255 SyntacticMatches, 17 SemanticMatches, 70 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 79.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 49.2s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 286 ConstructedInterpolants, 20 QuantifiedInterpolants, 1951 SizeOfPredicates, 17 NumberOfNonLiveVariables, 587 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-28 23:35:12,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95df2708-c869-4111-b465-c370b695db29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...