./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_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 09:55:19,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:55:19,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:55:19,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:55:19,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:55:19,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:55:19,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:55:19,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:55:19,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:55:19,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:55:19,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:55:19,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:55:19,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:55:19,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:55:19,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:55:19,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:55:19,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:55:19,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:55:19,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:55:19,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:55:19,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:55:19,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:55:19,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:55:19,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:55:19,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:55:19,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:55:19,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:55:19,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:55:19,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:55:19,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:55:19,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:55:19,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:55:19,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:55:19,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:55:19,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:55:19,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:55:19,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:55:19,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:55:19,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:55:19,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:55:19,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:55:19,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 09:55:19,439 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:55:19,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:55:19,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:55:19,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:55:19,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:55:19,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:55:19,467 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:55:19,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:55:19,467 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:55:19,468 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:55:19,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:55:19,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:55:19,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:55:19,470 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:55:19,470 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:55:19,471 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:55:19,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:55:19,471 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:55:19,471 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:55:19,472 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:55:19,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:55:19,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:55:19,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:55:19,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:55:19,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:55:19,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:55:19,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:55:19,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:55:19,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:55:19,477 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_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 [2021-10-28 09:55:19,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:55:19,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:55:19,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:55:19,852 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:55:19,853 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:55:19,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-10-28 09:55:19,928 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/data/edf384ffe/e98a3a493d354a1b9ec1d0efeba003a4/FLAG20b60ab32 [2021-10-28 09:55:20,621 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:55:20,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-10-28 09:55:20,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/data/edf384ffe/e98a3a493d354a1b9ec1d0efeba003a4/FLAG20b60ab32 [2021-10-28 09:55:20,806 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/data/edf384ffe/e98a3a493d354a1b9ec1d0efeba003a4 [2021-10-28 09:55:20,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:55:20,814 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:55:20,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:55:20,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:55:20,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:55:20,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:55:20" (1/1) ... [2021-10-28 09:55:20,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74975733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:20, skipping insertion in model container [2021-10-28 09:55:20,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:55:20" (1/1) ... [2021-10-28 09:55:20,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:55:20,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:55:21,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:55:21,472 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-28 09:55:21,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@213312f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:21, skipping insertion in model container [2021-10-28 09:55:21,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:55:21,474 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:55:21,478 INFO L168 Benchmark]: Toolchain (without parser) took 661.95 ms. Allocated memory is still 109.1 MB. Free memory was 64.1 MB in the beginning and 78.3 MB in the end (delta: -14.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:21,480 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 109.1 MB. Free memory was 81.9 MB in the beginning and 81.9 MB in the end (delta: 53.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:55:21,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.88 ms. Allocated memory is still 109.1 MB. Free memory was 63.9 MB in the beginning and 78.6 MB in the end (delta: -14.7 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:21,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 109.1 MB. Free memory was 81.9 MB in the beginning and 81.9 MB in the end (delta: 53.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 654.88 ms. Allocated memory is still 109.1 MB. Free memory was 63.9 MB in the beginning and 78.6 MB in the end (delta: -14.7 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:55:24,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:55:24,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:55:24,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:55:24,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:55:24,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:55:24,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:55:24,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:55:24,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:55:24,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:55:24,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:55:24,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:55:24,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:55:24,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:55:24,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:55:24,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:55:24,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:55:24,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:55:24,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:55:24,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:55:24,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:55:24,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:55:24,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:55:24,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:55:24,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:55:24,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:55:24,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:55:24,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:55:24,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:55:24,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:55:24,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:55:24,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:55:24,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:55:24,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:55:24,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:55:24,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:55:24,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:55:24,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:55:24,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:55:24,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:55:24,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:55:24,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 09:55:24,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:55:24,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:55:24,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:55:24,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:55:24,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:55:24,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:55:24,476 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:55:24,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:55:24,477 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:55:24,477 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:55:24,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:55:24,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:55:24,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:55:24,479 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:55:24,480 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:55:24,480 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:55:24,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:55:24,481 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:55:24,481 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:55:24,482 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:55:24,482 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:55:24,482 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:55:24,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:55:24,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:55:24,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:55:24,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:55:24,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:55:24,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:55:24,485 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:55:24,485 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:55:24,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:55:24,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:55:24,486 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_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 [2021-10-28 09:55:24,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:55:25,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:55:25,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:55:25,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:55:25,038 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:55:25,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-10-28 09:55:25,145 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/data/3025c355e/4a5610951e3b41bb908956f46f9a9db8/FLAGf5f7f3a40 [2021-10-28 09:55:25,825 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:55:25,826 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-10-28 09:55:25,848 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/data/3025c355e/4a5610951e3b41bb908956f46f9a9db8/FLAGf5f7f3a40 [2021-10-28 09:55:26,053 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/data/3025c355e/4a5610951e3b41bb908956f46f9a9db8 [2021-10-28 09:55:26,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:55:26,060 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:55:26,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:55:26,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:55:26,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:55:26,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:55:26" (1/1) ... [2021-10-28 09:55:26,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6a4503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:26, skipping insertion in model container [2021-10-28 09:55:26,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:55:26" (1/1) ... [2021-10-28 09:55:26,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:55:26,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:55:26,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:55:26,783 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 09:55:26,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:55:26,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:55:26,858 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:55:26,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:55:27,004 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:55:27,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:27 WrapperNode [2021-10-28 09:55:27,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:55:27,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:55:27,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:55:27,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:55:27,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:27" (1/1) ... [2021-10-28 09:55:27,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:27" (1/1) ... [2021-10-28 09:55:27,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:27" (1/1) ... [2021-10-28 09:55:27,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:27" (1/1) ... [2021-10-28 09:55:27,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:27" (1/1) ... [2021-10-28 09:55:27,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:27" (1/1) ... [2021-10-28 09:55:27,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:27" (1/1) ... [2021-10-28 09:55:27,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:55:27,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:55:27,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:55:27,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:55:27,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:27" (1/1) ... [2021-10-28 09:55:27,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:55:27,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:27,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:27,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:55:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 09:55:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:55:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:55:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:55:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 09:55:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 09:55:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 09:55:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 09:55:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 09:55:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 09:55:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 09:55:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 09:55:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 09:55:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:55:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 09:55:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 09:55:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 09:55:27,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 09:55:27,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 09:55:27,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 09:55:27,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 09:55:27,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 09:55:27,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 09:55:27,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 09:55:27,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 09:55:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 09:55:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 09:55:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 09:55:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 09:55:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 09:55:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 09:55:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 09:55:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 09:55:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 09:55:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 09:55:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 09:55:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 09:55:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 09:55:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 09:55:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 09:55:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 09:55:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 09:55:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure h5 [2021-10-28 09:55:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2021-10-28 09:55:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 09:55:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 09:55:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 09:55:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 09:55:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 09:55:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 09:55:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 09:55:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 09:55:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 09:55:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 09:55:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 09:55:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 09:55:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 09:55:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 09:55:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 09:55:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 09:55:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 09:55:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 09:55:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 09:55:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 09:55:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 09:55:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 09:55:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 09:55:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 09:55:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 09:55:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 09:55:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 09:55:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 09:55:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 09:55:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 09:55:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 09:55:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 09:55:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 09:55:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 09:55:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 09:55:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 09:55:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 09:55:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 09:55:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 09:55:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 09:55:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 09:55:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 09:55:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 09:55:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 09:55:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 09:55:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 09:55:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 09:55:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 09:55:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 09:55:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 09:55:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 09:55:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 09:55:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 09:55:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 09:55:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 09:55:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 09:55:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 09:55:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 09:55:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 09:55:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 09:55:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 09:55:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 09:55:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 09:55:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 09:55:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 09:55:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 09:55:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 09:55:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 09:55:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 09:55:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 09:55:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 09:55:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 09:55:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 09:55:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 09:55:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 09:55:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 09:55:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 09:55:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 09:55:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 09:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 09:55:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 09:55:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 09:55:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 09:55:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 09:55:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 09:55:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 09:55:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 09:55:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 09:55:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 09:55:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 09:55:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 09:55:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 09:55:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 09:55:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 09:55:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 09:55:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 09:55:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 09:55:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 09:55:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 09:55:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 09:55:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 09:55:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 09:55:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 09:55:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 09:55:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 09:55:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 09:55:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 09:55:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 09:55:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 09:55:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 09:55:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 09:55:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 09:55:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 09:55:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 09:55:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 09:55:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 09:55:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 09:55:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 09:55:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 09:55:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:55:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 09:55:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 09:55:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:55:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:55:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 09:55:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 09:55:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 09:55:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:55:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 09:55:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 09:55:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 09:55:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 09:55:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 09:55:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 09:55:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:55:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 09:55:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 09:55:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 09:55:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 09:55:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 09:55:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:55:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:55:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 09:55:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 09:55:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:55:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 09:55:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 09:55:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 09:55:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 09:55:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 09:55:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 09:55:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 09:55:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 09:55:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 09:55:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 09:55:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 09:55:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 09:55:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 09:55:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 09:55:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure h5 [2021-10-28 09:55:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2021-10-28 09:55:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 09:55:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 09:55:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 09:55:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:55:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:55:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:55:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:55:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 09:55:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 09:55:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 09:55:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 09:55:28,193 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:55:28,616 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:55:29,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:55:29,052 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 09:55:29,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:55:29 BoogieIcfgContainer [2021-10-28 09:55:29,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:55:29,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:55:29,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:55:29,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:55:29,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:55:26" (1/3) ... [2021-10-28 09:55:29,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3849fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:55:29, skipping insertion in model container [2021-10-28 09:55:29,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:27" (2/3) ... [2021-10-28 09:55:29,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3849fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:55:29, skipping insertion in model container [2021-10-28 09:55:29,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:55:29" (3/3) ... [2021-10-28 09:55:29,065 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5.i [2021-10-28 09:55:29,071 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:55:29,072 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-28 09:55:29,127 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:55:29,135 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:55:29,135 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-28 09:55:29,155 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 09:55:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 09:55:29,165 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:29,166 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:55:29,166 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 09:55:29,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:29,173 INFO L85 PathProgramCache]: Analyzing trace with hash -797462538, now seen corresponding path program 1 times [2021-10-28 09:55:29,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:55:29,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199464181] [2021-10-28 09:55:29,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:29,190 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:55:29,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:55:29,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:55:29,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:55:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:29,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:55:29,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:29,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:29,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:55:29,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:29,933 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:55:29,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199464181] [2021-10-28 09:55:29,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199464181] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:29,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:29,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-10-28 09:55:29,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715435799] [2021-10-28 09:55:29,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:55:29,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:55:29,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:55:29,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:55:29,975 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 09:55:30,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:30,091 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2021-10-28 09:55:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:55:30,094 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 09:55:30,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:30,103 INFO L225 Difference]: With dead ends: 33 [2021-10-28 09:55:30,104 INFO L226 Difference]: Without dead ends: 30 [2021-10-28 09:55:30,106 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 09:55:30,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-28 09:55:30,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-28 09:55:30,146 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 09:55:30,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-10-28 09:55:30,150 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2021-10-28 09:55:30,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:30,151 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-10-28 09:55:30,151 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 09:55:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-10-28 09:55:30,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 09:55:30,153 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:30,153 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:55:30,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:30,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:55:30,381 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 09:55:30,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:30,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1048465454, now seen corresponding path program 1 times [2021-10-28 09:55:30,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:55:30,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664753745] [2021-10-28 09:55:30,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:30,383 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:55:30,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:55:30,385 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:55:30,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:55:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:30,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:55:30,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:31,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:55:31,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:31,582 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:55:31,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1664753745] [2021-10-28 09:55:31,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1664753745] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:31,582 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:31,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2021-10-28 09:55:31,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027547322] [2021-10-28 09:55:31,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-28 09:55:31,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:55:31,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-28 09:55:31,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-10-28 09:55:31,587 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 09:55:32,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:32,143 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2021-10-28 09:55:32,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-28 09:55:32,145 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 09:55:32,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:32,148 INFO L225 Difference]: With dead ends: 46 [2021-10-28 09:55:32,148 INFO L226 Difference]: Without dead ends: 46 [2021-10-28 09:55:32,149 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 09:55:32,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-28 09:55:32,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2021-10-28 09:55:32,158 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 09:55:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-10-28 09:55:32,160 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2021-10-28 09:55:32,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:32,160 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-10-28 09:55:32,161 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 09:55:32,161 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-10-28 09:55:32,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:55:32,162 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:32,162 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:55:32,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:32,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:55:32,376 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 09:55:32,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:32,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1857308936, now seen corresponding path program 1 times [2021-10-28 09:55:32,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:55:32,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233442228] [2021-10-28 09:55:32,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:32,378 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:55:32,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:55:32,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:55:32,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 09:55:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:32,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:55:32,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:32,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 09:55:32,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:32,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:55:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:33,074 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:55:33,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233442228] [2021-10-28 09:55:33,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233442228] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:33,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:33,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-10-28 09:55:33,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789020490] [2021-10-28 09:55:33,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:55:33,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:55:33,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:55:33,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:55:33,078 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 09:55:33,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:33,233 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2021-10-28 09:55:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:55:33,234 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 09:55:33,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:33,235 INFO L225 Difference]: With dead ends: 43 [2021-10-28 09:55:33,236 INFO L226 Difference]: Without dead ends: 43 [2021-10-28 09:55:33,236 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 09:55:33,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-28 09:55:33,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-28 09:55:33,243 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 09:55:33,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2021-10-28 09:55:33,245 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 22 [2021-10-28 09:55:33,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:33,245 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2021-10-28 09:55:33,246 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 09:55:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2021-10-28 09:55:33,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:55:33,247 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:33,247 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:55:33,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:33,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:55:33,463 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 09:55:33,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:33,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2144255353, now seen corresponding path program 1 times [2021-10-28 09:55:33,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:55:33,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526072118] [2021-10-28 09:55:33,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:33,464 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:55:33,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:55:33,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:55:33,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 09:55:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:33,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-28 09:55:33,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:33,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:55:34,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:34,216 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:55:34,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526072118] [2021-10-28 09:55:34,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [526072118] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:34,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:34,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2021-10-28 09:55:34,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384303787] [2021-10-28 09:55:34,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:55:34,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:55:34,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:55:34,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:55:34,220 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 09:55:34,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:34,310 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2021-10-28 09:55:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:55:34,310 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 09:55:34,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:34,312 INFO L225 Difference]: With dead ends: 41 [2021-10-28 09:55:34,312 INFO L226 Difference]: Without dead ends: 41 [2021-10-28 09:55:34,312 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 09:55:34,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-28 09:55:34,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-10-28 09:55:34,317 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 09:55:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2021-10-28 09:55:34,322 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 22 [2021-10-28 09:55:34,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:34,323 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2021-10-28 09:55:34,323 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 09:55:34,323 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2021-10-28 09:55:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 09:55:34,326 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:34,326 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 09:55:34,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:34,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:55:34,541 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:55:34,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:34,542 INFO L85 PathProgramCache]: Analyzing trace with hash -714793594, now seen corresponding path program 1 times [2021-10-28 09:55:34,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:55:34,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803932888] [2021-10-28 09:55:34,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:34,543 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:55:34,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:55:34,544 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:55:34,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 09:55:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:34,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:55:34,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:34,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:55:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:35,139 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:55:35,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803932888] [2021-10-28 09:55:35,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803932888] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:35,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:35,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 09:55:35,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31625214] [2021-10-28 09:55:35,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:55:35,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:55:35,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:55:35,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:55:35,143 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 09:55:35,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:35,184 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2021-10-28 09:55:35,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:55:35,185 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 09:55:35,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:35,185 INFO L225 Difference]: With dead ends: 42 [2021-10-28 09:55:35,186 INFO L226 Difference]: Without dead ends: 28 [2021-10-28 09:55:35,186 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 09:55:35,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-10-28 09:55:35,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-10-28 09:55:35,189 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 09:55:35,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2021-10-28 09:55:35,190 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 24 [2021-10-28 09:55:35,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:35,190 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2021-10-28 09:55:35,191 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 09:55:35,191 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2021-10-28 09:55:35,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 09:55:35,192 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:35,192 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 09:55:35,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:35,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:55:35,398 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:55:35,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:35,399 INFO L85 PathProgramCache]: Analyzing trace with hash -745239103, now seen corresponding path program 1 times [2021-10-28 09:55:35,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:55:35,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411635855] [2021-10-28 09:55:35,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:35,400 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:55:35,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:55:35,401 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:55:35,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 09:55:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:35,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-28 09:55:35,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:36,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:36,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:55:42,501 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (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_13| |c_#valid|))) is different from false [2021-10-28 09:55:42,661 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (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_13| (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 09:55:42,802 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:55:42,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411635855] [2021-10-28 09:55:42,803 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 09:55:42,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1754298120] [2021-10-28 09:55:42,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:42,804 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 09:55:42,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/cvc4 [2021-10-28 09:55:42,811 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 09:55:42,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-28 09:55:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:43,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-28 09:55:43,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:43,301 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 09:55:43,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-10-28 09:55:47,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:47,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:56:00,958 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 09:56:00,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967457427] [2021-10-28 09:56:00,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:00,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:56:00,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:56:00,964 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:56:00,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 09:56:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:56:01,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-28 09:56:01,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:56:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:56:01,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:56:20,593 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-28 09:56:20,594 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 09:56:21,135 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:56:21,136 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 09:56:21,252 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 09:56:21,458 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 09:56:21,745 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-28 09:56:21,746 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 09:56:23,219 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:56:23,220 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 09:56:23,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-28 09:56:24,119 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:56:24,119 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 09:56:26,743 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 09:56:28,813 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 09:56:30,938 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 09:56:33,024 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 09:56:35,278 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 09:56:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:56:35,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967457427] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:56:35,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:56:35,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 12] imperfect sequences [] total 20 [2021-10-28 09:56:35,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567715770] [2021-10-28 09:56:35,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-28 09:56:35,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:56:35,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-28 09:56:35,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=247, Unknown=54, NotChecked=378, Total=756 [2021-10-28 09:56:35,436 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 09:57:12,023 WARN L207 SmtUtils]: Spent 16.04 s on a formula simplification. DAG size of input: 62 DAG size of output: 3 [2021-10-28 09:57:34,216 WARN L207 SmtUtils]: Spent 18.08 s on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2021-10-28 09:57:49,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:57:49,005 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2021-10-28 09:57:49,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 09:57:49,006 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 09:57:49,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:57:49,007 INFO L225 Difference]: With dead ends: 27 [2021-10-28 09:57:49,007 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:57:49,008 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 86 SyntacticMatches, 8 SemanticMatches, 29 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 98.0s TimeCoverageRelationStatistics Valid=95, Invalid=322, Unknown=81, NotChecked=432, Total=930 [2021-10-28 09:57:49,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:57:49,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:57:49,009 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 09:57:49,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:57:49,009 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-10-28 09:57:49,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:57:49,009 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:57:49,010 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 09:57:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:57:49,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:57:49,013 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,013 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 09:57:49,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 09:57:49,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 09:57:49,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 09:57:49,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,016 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 09:57:49,016 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 09:57:49,016 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 09:57:49,016 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 09:57:49,016 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 09:57:49,017 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 09:57:49,017 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,017 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,017 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,017 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,017 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:57:49,019 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:57:49,019 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,019 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,020 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 09:57:49,020 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 09:57:49,020 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,020 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,021 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,021 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,021 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 09:57:49,021 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 09:57:49,022 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 09:57:49,022 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 09:57:49,022 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,022 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,022 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,023 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,023 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,023 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,024 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,024 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,024 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,024 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,025 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 09:57:49,025 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,025 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,025 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 09:57:49,026 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 09:57:49,026 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 09:57:49,026 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 09:57:49,026 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,027 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,027 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,027 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,027 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,028 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,028 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,028 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,028 INFO L764 garLoopResultBuilder]: Registering result SAFE for location g5Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location g5Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location g5Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:57:49,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:57:49,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:57:49,031 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 09:57:49,031 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 09:57:49,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:57:49,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:57:49,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:57:49,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:57:49,639 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-28 09:57:49,641 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:57:49,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:57:49 BoogieIcfgContainer [2021-10-28 09:57:49,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:57:49,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:57:49,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:57:49,645 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:57:49,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:55:29" (3/4) ... [2021-10-28 09:57:49,648 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:57:49,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2021-10-28 09:57:49,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:57:49,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2021-10-28 09:57:49,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2021-10-28 09:57:49,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2021-10-28 09:57:49,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-10-28 09:57:49,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:57:49,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2021-10-28 09:57:49,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2021-10-28 09:57:49,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2021-10-28 09:57:49,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2021-10-28 09:57:49,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2021-10-28 09:57:49,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2021-10-28 09:57:49,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2021-10-28 09:57:49,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2021-10-28 09:57:49,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2021-10-28 09:57:49,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2021-10-28 09:57:49,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-10-28 09:57:49,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2021-10-28 09:57:49,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g5 [2021-10-28 09:57:49,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2021-10-28 09:57:49,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-10-28 09:57:49,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2021-10-28 09:57:49,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2021-10-28 09:57:49,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2021-10-28 09:57:49,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2021-10-28 09:57:49,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2021-10-28 09:57:49,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2021-10-28 09:57:49,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure h5 [2021-10-28 09:57:49,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2021-10-28 09:57:49,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2021-10-28 09:57:49,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2021-10-28 09:57:49,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2021-10-28 09:57:49,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2021-10-28 09:57:49,660 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2021-10-28 09:57:49,660 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2021-10-28 09:57:49,660 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2021-10-28 09:57:49,660 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2021-10-28 09:57:49,660 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2021-10-28 09:57:49,660 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-10-28 09:57:49,661 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2021-10-28 09:57:49,661 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2021-10-28 09:57:49,661 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2021-10-28 09:57:49,661 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-10-28 09:57:49,661 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-10-28 09:57:49,661 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2021-10-28 09:57:49,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2021-10-28 09:57:49,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2021-10-28 09:57:49,681 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-10-28 09:57:49,682 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 09:57:49,682 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:57:49,683 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:57:49,683 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:57:49,757 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:57:49,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:57:49,758 INFO L168 Benchmark]: Toolchain (without parser) took 143697.72 ms. Allocated memory was 58.7 MB in the beginning and 130.0 MB in the end (delta: 71.3 MB). Free memory was 36.8 MB in the beginning and 65.8 MB in the end (delta: -29.0 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:57:49,759 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:57:49,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 942.08 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 36.5 MB in the beginning and 57.7 MB in the end (delta: -21.2 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:57:49,760 INFO L168 Benchmark]: Boogie Preprocessor took 207.37 ms. Allocated memory is still 77.6 MB. Free memory was 57.7 MB in the beginning and 53.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:57:49,760 INFO L168 Benchmark]: RCFGBuilder took 1839.21 ms. Allocated memory is still 77.6 MB. Free memory was 53.0 MB in the beginning and 46.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:57:49,761 INFO L168 Benchmark]: TraceAbstraction took 140587.36 ms. Allocated memory was 77.6 MB in the beginning and 130.0 MB in the end (delta: 52.4 MB). Free memory was 46.1 MB in the beginning and 70.1 MB in the end (delta: -24.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:57:49,761 INFO L168 Benchmark]: Witness Printer took 112.48 ms. Allocated memory is still 130.0 MB. Free memory was 70.1 MB in the beginning and 65.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:57:49,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 942.08 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 36.5 MB in the beginning and 57.7 MB in the end (delta: -21.2 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 207.37 ms. Allocated memory is still 77.6 MB. Free memory was 57.7 MB in the beginning and 53.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1839.21 ms. Allocated memory is still 77.6 MB. Free memory was 53.0 MB in the beginning and 46.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 140587.36 ms. Allocated memory was 77.6 MB in the beginning and 130.0 MB in the end (delta: 52.4 MB). Free memory was 46.1 MB in the beginning and 70.1 MB in the end (delta: -24.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. * Witness Printer took 112.48 ms. Allocated memory is still 130.0 MB. Free memory was 70.1 MB in the beginning and 65.8 MB in the end (delta: 4.4 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: 140.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 74.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 153 SDtfs, 89 SDslu, 711 SDs, 0 SdLazy, 592 SolverSat, 24 SolverUnsat, 17 SolverUnknown, 0 SolverNotchecked, 27.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 342 GetRequests, 255 SyntacticMatches, 15 SemanticMatches, 72 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 98.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 61, 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, 44.1s 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 09:57:49,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b463dab4-61e0-4990-897c-a2134fa83aa6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...