./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.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_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/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_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/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_48854225-3c40-44c5-8ba7-101a5af57317/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 b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 ................................................................................................................................... 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_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/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_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/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_48854225-3c40-44c5-8ba7-101a5af57317/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 b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:42:51,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:42:51,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:42:51,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:42:51,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:42:51,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:42:51,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:42:51,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:42:51,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:42:51,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:42:51,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:42:51,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:42:51,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:42:51,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:42:51,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:42:51,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:42:51,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:42:51,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:42:51,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:42:51,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:42:51,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:42:51,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:42:51,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:42:51,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:42:51,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:42:51,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:42:51,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:42:51,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:42:51,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:42:51,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:42:51,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:42:51,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:42:51,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:42:51,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:42:51,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:42:51,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:42:51,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:42:51,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:42:51,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:42:51,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:42:51,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:42:51,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 09:42:51,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:42:51,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:42:51,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:42:51,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:42:51,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:42:51,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:42:51,460 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:42:51,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:42:51,460 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:42:51,461 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:42:51,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:42:51,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:42:51,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:42:51,463 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:42:51,463 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:42:51,463 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:42:51,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:42:51,463 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:42:51,464 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:42:51,464 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:42:51,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:42:51,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:42:51,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:42:51,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:42:51,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:42:51,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:42:51,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:42:51,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:42:51,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:42:51,468 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_48854225-3c40-44c5-8ba7-101a5af57317/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 [2021-10-28 09:42:51,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:42:51,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:42:51,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:42:51,833 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:42:51,834 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:42:51,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-10-28 09:42:51,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/data/058db91a2/996d491807e54b52ae22105ac4372917/FLAGd7d1afddd [2021-10-28 09:42:52,601 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:42:52,601 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-10-28 09:42:52,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/data/058db91a2/996d491807e54b52ae22105ac4372917/FLAGd7d1afddd [2021-10-28 09:42:52,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/data/058db91a2/996d491807e54b52ae22105ac4372917 [2021-10-28 09:42:52,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:42:52,780 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:42:52,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:42:52,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:42:52,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:42:52,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:52" (1/1) ... [2021-10-28 09:42:52,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364a5190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:52, skipping insertion in model container [2021-10-28 09:42:52,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:52" (1/1) ... [2021-10-28 09:42:52,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:42:52,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:42:53,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:42:53,303 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 09:42:53,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@498169fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:53, skipping insertion in model container [2021-10-28 09:42:53,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:42:53,305 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:42:53,307 INFO L168 Benchmark]: Toolchain (without parser) took 525.45 ms. Allocated memory is still 98.6 MB. Free memory was 58.5 MB in the beginning and 69.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:53,308 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 98.6 MB. Free memory is still 76.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:42:53,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.58 ms. Allocated memory is still 98.6 MB. Free memory was 58.3 MB in the beginning and 69.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:53,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 98.6 MB. Free memory is still 76.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 518.58 ms. Allocated memory is still 98.6 MB. Free memory was 58.3 MB in the beginning and 69.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 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 09:42:55,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:42:55,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:42:55,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:42:55,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:42:55,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:42:55,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:42:55,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:42:55,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:42:55,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:42:55,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:42:55,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:42:55,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:42:55,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:42:55,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:42:55,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:42:55,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:42:55,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:42:55,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:42:55,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:42:55,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:42:55,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:42:55,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:42:55,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:42:56,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:42:56,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:42:56,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:42:56,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:42:56,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:42:56,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:42:56,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:42:56,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:42:56,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:42:56,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:42:56,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:42:56,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:42:56,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:42:56,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:42:56,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:42:56,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:42:56,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:42:56,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 09:42:56,076 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:42:56,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:42:56,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:42:56,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:42:56,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:42:56,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:42:56,081 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:42:56,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:42:56,082 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:42:56,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:42:56,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:42:56,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:42:56,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:42:56,084 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:42:56,085 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:42:56,085 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:42:56,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:42:56,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:42:56,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:42:56,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:42:56,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:42:56,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:42:56,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:42:56,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:42:56,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:42:56,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:42:56,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:42:56,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:42:56,088 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:42:56,089 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:42:56,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:42:56,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:42:56,090 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_48854225-3c40-44c5-8ba7-101a5af57317/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 [2021-10-28 09:42:56,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:42:56,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:42:56,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:42:56,597 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:42:56,598 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:42:56,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-10-28 09:42:56,687 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/data/3947f3c08/73ed8cef7f4848d6a8c80e7897ce6df7/FLAGe2651c6a9 [2021-10-28 09:42:57,364 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:42:57,365 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-10-28 09:42:57,395 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/data/3947f3c08/73ed8cef7f4848d6a8c80e7897ce6df7/FLAGe2651c6a9 [2021-10-28 09:42:57,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/data/3947f3c08/73ed8cef7f4848d6a8c80e7897ce6df7 [2021-10-28 09:42:57,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:42:57,609 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:42:57,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:42:57,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:42:57,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:42:57,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:57" (1/1) ... [2021-10-28 09:42:57,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec42b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:57, skipping insertion in model container [2021-10-28 09:42:57,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:57" (1/1) ... [2021-10-28 09:42:57,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:42:57,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:42:58,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:42:58,330 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 09:42:58,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:42:58,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:42:58,442 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:42:58,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:42:58,566 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:42:58,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:58 WrapperNode [2021-10-28 09:42:58,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:42:58,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:42:58,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:42:58,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:42:58,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:58" (1/1) ... [2021-10-28 09:42:58,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:58" (1/1) ... [2021-10-28 09:42:58,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:58" (1/1) ... [2021-10-28 09:42:58,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:58" (1/1) ... [2021-10-28 09:42:58,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:58" (1/1) ... [2021-10-28 09:42:58,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:58" (1/1) ... [2021-10-28 09:42:58,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:58" (1/1) ... [2021-10-28 09:42:58,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:42:58,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:42:58,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:42:58,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:42:58,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:58" (1/1) ... [2021-10-28 09:42:58,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:42:58,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:58,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:58,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:42:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 09:42:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:42:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:42:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:42:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 09:42:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 09:42:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 09:42:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 09:42:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 09:42:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 09:42:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 09:42:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 09:42:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 09:42:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:42:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 09:42:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 09:42:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 09:42:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 09:42:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 09:42:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 09:42:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 09:42:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 09:42:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 09:42:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 09:42:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 09:42:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 09:42:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 09:42:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 09:42:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 09:42:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 09:42:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 09:42:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 09:42:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 09:42:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 09:42:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 09:42:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 09:42:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 09:42:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 09:42:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 09:42:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 09:42:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 09:42:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 09:42:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 09:42:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 09:42:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 09:42:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 09:42:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 09:42:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 09:42:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 09:42:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 09:42:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 09:42:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 09:42:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 09:42:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 09:42:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 09:42:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 09:42:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 09:42:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 09:42:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 09:42:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 09:42:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 09:42:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 09:42:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 09:42:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 09:42:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 09:42:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 09:42:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 09:42:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 09:42:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 09:42:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 09:42:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 09:42:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 09:42:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 09:42:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 09:42:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 09:42:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 09:42:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 09:42:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 09:42:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 09:42:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 09:42:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 09:42:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 09:42:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 09:42:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 09:42:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 09:42:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 09:42:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 09:42:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 09:42:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 09:42:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 09:42:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 09:42:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 09:42:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 09:42:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 09:42:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 09:42:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 09:42:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 09:42:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 09:42:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 09:42:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 09:42:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 09:42:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 09:42:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 09:42:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 09:42:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 09:42:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 09:42:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 09:42:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 09:42:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 09:42:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 09:42:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 09:42:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 09:42:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 09:42:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 09:42:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 09:42:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 09:42:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 09:42:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 09:42:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 09:42:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 09:42:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 09:42:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 09:42:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 09:42:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 09:42:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 09:42:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 09:42:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 09:42:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 09:42:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 09:42:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 09:42:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 09:42:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 09:42:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 09:42:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 09:42:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 09:42:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 09:42:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 09:42:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 09:42:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 09:42:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 09:42:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 09:42:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 09:42:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 09:42:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 09:42:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 09:42:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 09:42:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 09:42:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 09:42:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 09:42:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 09:42:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 09:42:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 09:42:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 09:42:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 09:42:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 09:42:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 09:42:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 09:42:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 09:42:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 09:42:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 09:42:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 09:42:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:42:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 09:42:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 09:42:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:42:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:42:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 09:42:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 09:42:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 09:42:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:42:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 09:42:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 09:42:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 09:42:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 09:42:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 09:42:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 09:42:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:42:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 09:42:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 09:42:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 09:42:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 09:42:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 09:42:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:42:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:42:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 09:42:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 09:42:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:42:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 09:42:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 09:42:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 09:42:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 09:42:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 09:42:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 09:42:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 09:42:58,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 09:42:58,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 09:42:58,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 09:42:58,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 09:42:58,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 09:42:58,888 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 09:42:58,889 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 09:42:58,889 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 09:42:58,889 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 09:42:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 09:42:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:42:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:42:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:42:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:42:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 09:42:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 09:42:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 09:42:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 09:42:59,482 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:42:59,903 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:43:00,284 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:43:00,284 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 09:43:00,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:43:00 BoogieIcfgContainer [2021-10-28 09:43:00,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:43:00,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:43:00,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:43:00,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:43:00,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:42:57" (1/3) ... [2021-10-28 09:43:00,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168fd631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:43:00, skipping insertion in model container [2021-10-28 09:43:00,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:58" (2/3) ... [2021-10-28 09:43:00,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168fd631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:43:00, skipping insertion in model container [2021-10-28 09:43:00,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:43:00" (3/3) ... [2021-10-28 09:43:00,306 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2021-10-28 09:43:00,312 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:43:00,312 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-28 09:43:00,360 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:43:00,367 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 09:43:00,367 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-28 09:43:00,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 73 states have internal predecessors, (79), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-10-28 09:43:00,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 09:43:00,393 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:00,393 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:43:00,394 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:43:00,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:00,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2021-10-28 09:43:00,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:43:00,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8138111] [2021-10-28 09:43:00,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:00,414 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:43:00,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:43:00,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:43:00,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:43:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:43:00,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:43:00,768 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 09:43:00,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:43:00,861 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 09:43:00,865 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:43:00,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [8138111] [2021-10-28 09:43:00,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [8138111] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:00,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:00,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 09:43:00,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479032541] [2021-10-28 09:43:00,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:43:00,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:43:00,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:43:00,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:43:00,903 INFO L87 Difference]: Start difference. First operand has 95 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 73 states have internal predecessors, (79), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 09:43:00,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:00,930 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2021-10-28 09:43:00,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:43:00,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2021-10-28 09:43:00,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:00,940 INFO L225 Difference]: With dead ends: 24 [2021-10-28 09:43:00,940 INFO L226 Difference]: Without dead ends: 21 [2021-10-28 09:43:00,941 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:43:00,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-28 09:43:00,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-28 09:43:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-28 09:43:00,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-10-28 09:43:00,968 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2021-10-28 09:43:00,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:00,969 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-10-28 09:43:00,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 09:43:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-10-28 09:43:00,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 09:43:00,969 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:00,970 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:43:00,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-28 09:43:01,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:43:01,171 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:43:01,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:01,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2021-10-28 09:43:01,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:43:01,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211500295] [2021-10-28 09:43:01,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:01,173 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:43:01,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:43:01,179 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:43:01,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:43:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:01,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:43:01,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:43:01,526 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 09:43:01,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:43:01,679 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 09:43:01,680 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:43:01,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211500295] [2021-10-28 09:43:01,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211500295] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:01,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:01,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-28 09:43:01,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934678508] [2021-10-28 09:43:01,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:43:01,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:43:01,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:43:01,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:43:01,684 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 09:43:01,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:01,810 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2021-10-28 09:43:01,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:43:01,811 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 14 [2021-10-28 09:43:01,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:01,814 INFO L225 Difference]: With dead ends: 28 [2021-10-28 09:43:01,814 INFO L226 Difference]: Without dead ends: 28 [2021-10-28 09:43:01,815 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:43:01,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-10-28 09:43:01,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2021-10-28 09:43:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-28 09:43:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-10-28 09:43:01,821 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 14 [2021-10-28 09:43:01,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:01,821 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2021-10-28 09:43:01,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 09:43:01,822 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-10-28 09:43:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 09:43:01,823 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:01,823 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:43:01,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:43:02,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:43:02,036 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:43:02,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:02,037 INFO L85 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2021-10-28 09:43:02,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:43:02,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305140791] [2021-10-28 09:43:02,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:02,038 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:43:02,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:43:02,040 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:43:02,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 09:43:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:02,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:43:02,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:43:02,292 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 09:43:02,350 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 09:43:02,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:43:02,451 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 09:43:02,451 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:43:02,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305140791] [2021-10-28 09:43:02,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305140791] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:02,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:02,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 09:43:02,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490684386] [2021-10-28 09:43:02,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:43:02,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:43:02,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:43:02,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:43:02,456 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 09:43:02,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:02,529 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2021-10-28 09:43:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:43:02,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-10-28 09:43:02,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:02,533 INFO L225 Difference]: With dead ends: 26 [2021-10-28 09:43:02,534 INFO L226 Difference]: Without dead ends: 26 [2021-10-28 09:43:02,534 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:43:02,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-28 09:43:02,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 09:43:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-10-28 09:43:02,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-10-28 09:43:02,544 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2021-10-28 09:43:02,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:02,545 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-10-28 09:43:02,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 09:43:02,545 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-10-28 09:43:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 09:43:02,551 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:02,552 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:43:02,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:43:02,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:43:02,752 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:43:02,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:02,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1267320807, now seen corresponding path program 1 times [2021-10-28 09:43:02,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:43:02,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1602282237] [2021-10-28 09:43:02,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:02,754 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:43:02,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:43:02,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:43:02,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 09:43:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:02,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:43:02,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:43:03,009 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 09:43:03,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:43:03,079 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 09:43:03,080 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:43:03,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1602282237] [2021-10-28 09:43:03,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1602282237] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:03,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:03,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 09:43:03,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706608677] [2021-10-28 09:43:03,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:43:03,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:43:03,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:43:03,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:43:03,083 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 09:43:03,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:03,103 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2021-10-28 09:43:03,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:43:03,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-10-28 09:43:03,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:03,105 INFO L225 Difference]: With dead ends: 27 [2021-10-28 09:43:03,106 INFO L226 Difference]: Without dead ends: 27 [2021-10-28 09:43:03,106 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:43:03,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-28 09:43:03,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2021-10-28 09:43:03,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-28 09:43:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-10-28 09:43:03,110 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2021-10-28 09:43:03,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:03,111 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-10-28 09:43:03,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 09:43:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-10-28 09:43:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:43:03,112 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:03,113 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:43:03,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:43:03,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:43:03,326 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 09:43:03,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:03,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2021-10-28 09:43:03,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:43:03,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [621284624] [2021-10-28 09:43:03,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:03,328 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:43:03,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:43:03,329 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:43:03,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 09:43:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:03,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:43:03,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:43:03,751 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 09:43:03,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:43:16,669 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_entry_point_#t~ret38.base_28|)))) (= |v_old(#valid)_BEFORE_CALL_3| (store |c_#valid| |v_entry_point_#t~ret38.base_28| (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))) (not (= |v_old(#valid)_BEFORE_CALL_3| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))))))) is different from false [2021-10-28 09:43:16,859 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:43:16,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [621284624] [2021-10-28 09:43:16,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_3)=(= (select (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_antiDerIndex_entry0_1) (select v_prenex_3 v_antiDerIndex_entry0_1))} [2021-10-28 09:43:16,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [167994304] [2021-10-28 09:43:16,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:16,861 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 09:43:16,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/cvc4 [2021-10-28 09:43:16,866 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 09:43:16,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-10-28 09:43:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:17,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:43:17,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:43:17,282 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 09:43:17,282 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 09:43:23,793 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 09:43:23,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:43:34,136 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_7| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_7| (store |c_#valid| c_entry_point_~p~0.base (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_7| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-28 09:43:37,115 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_7| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_37| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_entry_point_#t~ret38.base_37|)))))) (= |v_old(#valid)_BEFORE_CALL_7| (store |c_#valid| |v_entry_point_#t~ret38.base_37| (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_7| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-28 09:43:37,244 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_8| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_7)=(= (select v_prenex_7 v_antiDerIndex_entry0_2) (select (store |v_old(#valid)_BEFORE_CALL_8| v_entry_point_~p~0.base_12 (_ bv0 1)) v_antiDerIndex_entry0_2))} [2021-10-28 09:43:37,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281193697] [2021-10-28 09:43:37,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:37,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:43:37,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:43:37,249 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:43:37,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 09:43:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:37,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:43:37,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:43:37,632 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 09:43:37,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:43:43,851 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-28 09:43:48,625 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_46| (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |v_entry_point_#t~ret38.base_46| (_ bv0 1))) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_entry_point_#t~ret38.base_46|)))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-28 09:43:48,879 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-28 09:43:48,879 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 76 treesize of output 123 [2021-10-28 09:43:50,419 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:43:50,420 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 36 treesize of output 40 [2021-10-28 09:43:50,683 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 09:43:51,360 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:43:51,360 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 61 treesize of output 101 [2021-10-28 09:43:53,913 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_arrayElimCell_8 (_ BitVec 1)) (v_antiDerIndex_entry0_6 (_ BitVec 32))) (let ((.cse0 (bvneg (bvneg (bvneg v_arrayElimCell_8))))) (or (= (bvadd .cse0 (bvneg (bvneg (select (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_6)))) (_ bv0 1)) (not (= .cse0 (_ bv0 1)))))) (exists ((|v_entry_point_#t~ret38.base_46| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret38.base_46|)))))))) is different from true [2021-10-28 09:43:55,937 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_arrayElimCell_8 (_ BitVec 1)) (v_antiDerIndex_entry0_6 (_ BitVec 32))) (let ((.cse0 (bvneg (bvneg (bvneg (bvneg (bvneg v_arrayElimCell_8))))))) (or (not (= (_ bv0 1) (bvneg .cse0))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_6))))) .cse0))))) (exists ((|v_entry_point_#t~ret38.base_46| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret38.base_46|)))))))) is different from true [2021-10-28 09:43:58,007 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_arrayElimCell_8 (_ BitVec 1)) (v_antiDerIndex_entry0_6 (_ BitVec 32)) (|v_ldv_malloc_#res.base_40| (_ BitVec 32))) (let ((.cse0 (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg v_arrayElimCell_8)))))))) (or (not (= (_ bv0 1) .cse0)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_40|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ldv_malloc_#res.base_40| (_ bv0 1)) v_antiDerIndex_entry0_6)))))) .cse0))))) (exists ((|v_entry_point_#t~ret38.base_46| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret38.base_46|)))))))) is different from true [2021-10-28 09:43:58,083 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 09:43:58,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281193697] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:58,084 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:58,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 10] imperfect sequences [] total 14 [2021-10-28 09:43:58,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500274309] [2021-10-28 09:43:58,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-28 09:43:58,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:43:58,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 09:43:58,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=178, Unknown=88, NotChecked=312, Total=650 [2021-10-28 09:43:58,087 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 15 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-10-28 09:44:09,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:09,643 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2021-10-28 09:44:09,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:44:09,644 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 18 [2021-10-28 09:44:09,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:09,644 INFO L225 Difference]: With dead ends: 28 [2021-10-28 09:44:09,644 INFO L226 Difference]: Without dead ends: 19 [2021-10-28 09:44:09,645 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 61 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 48.0s TimeCoverageRelationStatistics Valid=80, Invalid=197, Unknown=97, NotChecked=328, Total=702 [2021-10-28 09:44:09,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-28 09:44:09,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-28 09:44:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-28 09:44:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2021-10-28 09:44:09,649 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18 [2021-10-28 09:44:09,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:09,649 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2021-10-28 09:44:09,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-10-28 09:44:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2021-10-28 09:44:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:44:09,651 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:09,651 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:09,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:44:09,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:44:10,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:44:10,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt [2021-10-28 09:44:10,252 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 09:44:10,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:10,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1991238988, now seen corresponding path program 1 times [2021-10-28 09:44:10,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:44:10,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376967536] [2021-10-28 09:44:10,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:10,253 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:44:10,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:44:10,255 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:44:10,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-28 09:44:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:10,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 09:44:10,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:44:10,584 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 09:44:10,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 15 [2021-10-28 09:44:10,852 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 09:44:10,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:44:11,092 INFO L354 Elim1Store]: treesize reduction 11, result has 60.7 percent of original size [2021-10-28 09:44:11,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 43 [2021-10-28 09:44:11,272 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 09:44:11,272 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:44:11,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376967536] [2021-10-28 09:44:11,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [376967536] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:11,272 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:11,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 14 [2021-10-28 09:44:11,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331692031] [2021-10-28 09:44:11,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-28 09:44:11,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:44:11,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 09:44:11,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-28 09:44:11,275 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-10-28 09:44:11,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:11,460 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2021-10-28 09:44:11,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:44:11,461 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 18 [2021-10-28 09:44:11,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:11,462 INFO L225 Difference]: With dead ends: 18 [2021-10-28 09:44:11,462 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:44:11,462 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2021-10-28 09:44:11,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:44:11,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:44:11,463 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 09:44:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:44:11,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-28 09:44:11,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:11,463 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:44:11,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-10-28 09:44:11,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:44:11,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:44:11,467 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,467 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,468 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,468 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,468 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,468 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,468 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 09:44:11,468 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 09:44:11,469 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,469 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,469 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 09:44:11,469 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 09:44:11,469 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,469 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 09:44:11,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 09:44:11,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 09:44:11,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 09:44:11,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 09:44:11,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 09:44:11,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:44:11,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:44:11,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 09:44:11,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 09:44:11,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 09:44:11,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 09:44:11,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 09:44:11,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 09:44:11,474 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,474 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,474 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,474 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,474 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,474 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,475 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,475 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,475 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,475 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,475 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 09:44:11,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 09:44:11,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 09:44:11,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 09:44:11,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 09:44:11,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:44:11,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:44:11,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 09:44:11,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 09:44:11,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,480 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,480 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:44:11,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:44:11,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:44:11,684 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-28 09:44:11,687 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:44:11,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:44:11 BoogieIcfgContainer [2021-10-28 09:44:11,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:44:11,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:44:11,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:44:11,692 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:44:11,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:43:00" (3/4) ... [2021-10-28 09:44:11,696 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:44:11,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2021-10-28 09:44:11,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:44:11,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2021-10-28 09:44:11,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2021-10-28 09:44:11,706 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2021-10-28 09:44:11,706 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2021-10-28 09:44:11,706 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2021-10-28 09:44:11,706 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2021-10-28 09:44:11,706 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2021-10-28 09:44:11,706 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-10-28 09:44:11,706 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2021-10-28 09:44:11,706 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2021-10-28 09:44:11,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2021-10-28 09:44:11,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-10-28 09:44:11,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2021-10-28 09:44:11,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2021-10-28 09:44:11,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2021-10-28 09:44:11,715 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2021-10-28 09:44:11,715 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 09:44:11,715 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:44:11,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:44:11,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:44:11,779 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:44:11,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:44:11,780 INFO L168 Benchmark]: Toolchain (without parser) took 74171.49 ms. Allocated memory was 83.9 MB in the beginning and 134.2 MB in the end (delta: 50.3 MB). Free memory was 48.2 MB in the beginning and 72.6 MB in the end (delta: -24.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:11,781 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory was 66.2 MB in the beginning and 66.1 MB in the end (delta: 75.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:44:11,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 956.39 ms. Allocated memory is still 83.9 MB. Free memory was 48.0 MB in the beginning and 50.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:11,782 INFO L168 Benchmark]: Boogie Preprocessor took 178.53 ms. Allocated memory is still 83.9 MB. Free memory was 50.5 MB in the beginning and 45.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:11,783 INFO L168 Benchmark]: RCFGBuilder took 1540.40 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 45.7 MB in the beginning and 82.8 MB in the end (delta: -37.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:11,783 INFO L168 Benchmark]: TraceAbstraction took 71401.32 ms. Allocated memory was 109.1 MB in the beginning and 134.2 MB in the end (delta: 25.2 MB). Free memory was 82.3 MB in the beginning and 77.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:11,784 INFO L168 Benchmark]: Witness Printer took 88.24 ms. Allocated memory is still 134.2 MB. Free memory was 77.9 MB in the beginning and 72.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:11,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory was 66.2 MB in the beginning and 66.1 MB in the end (delta: 75.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 956.39 ms. Allocated memory is still 83.9 MB. Free memory was 48.0 MB in the beginning and 50.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 178.53 ms. Allocated memory is still 83.9 MB. Free memory was 50.5 MB in the beginning and 45.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1540.40 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 45.7 MB in the beginning and 82.8 MB in the end (delta: -37.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 71401.32 ms. Allocated memory was 109.1 MB in the beginning and 134.2 MB in the end (delta: 25.2 MB). Free memory was 82.3 MB in the beginning and 77.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * Witness Printer took 88.24 ms. Allocated memory is still 134.2 MB. Free memory was 77.9 MB in the beginning and 72.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 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: 761]: 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: 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 - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 335 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 71.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 105 SDtfs, 44 SDslu, 269 SDs, 0 SdLazy, 235 SolverSat, 28 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 173 SyntacticMatches, 10 SemanticMatches, 57 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 48.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 40, 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, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 35.5s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 191 ConstructedInterpolants, 25 QuantifiedInterpolants, 1335 SizeOfPredicates, 5 NumberOfNonLiveVariables, 451 ConjunctsInSsa, 54 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 09:44:11,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48854225-3c40-44c5-8ba7-101a5af57317/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...