./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/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_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/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_1a7504e0-6628-48f3-bb64-86addb142a3c/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 b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab ................................................................................................................................... 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_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/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_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/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_1a7504e0-6628-48f3-bb64-86addb142a3c/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 b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:53:45,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:53:45,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:53:45,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:53:45,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:53:45,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:53:45,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:53:45,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:53:45,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:53:45,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:53:45,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:53:45,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:53:45,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:53:45,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:53:45,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:53:45,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:53:45,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:53:45,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:53:45,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:53:45,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:53:45,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:53:45,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:53:45,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:53:45,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:53:45,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:53:45,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:53:45,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:53:45,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:53:45,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:53:45,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:53:45,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:53:45,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:53:45,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:53:45,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:53:45,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:53:45,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:53:45,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:53:45,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:53:45,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:53:45,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:53:45,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:53:45,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 09:53:45,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:53:45,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:53:45,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:53:45,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:53:45,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:53:45,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:53:45,557 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:53:45,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:53:45,558 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:53:45,558 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:53:45,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:53:45,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:53:45,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:53:45,560 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:53:45,560 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:53:45,561 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:53:45,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:53:45,561 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:53:45,561 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:53:45,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:53:45,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:53:45,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:53:45,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:53:45,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:53:45,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:53:45,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:53:45,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:53:45,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:53:45,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:53:45,566 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_1a7504e0-6628-48f3-bb64-86addb142a3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab [2021-10-28 09:53:45,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:53:45,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:53:45,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:53:45,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:53:45,912 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:53:45,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-28 09:53:45,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/data/e79e36b67/447311f37d9140b2a123c04404e3efb5/FLAG052b20e0e [2021-10-28 09:53:46,642 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:53:46,643 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-28 09:53:46,659 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/data/e79e36b67/447311f37d9140b2a123c04404e3efb5/FLAG052b20e0e [2021-10-28 09:53:46,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/data/e79e36b67/447311f37d9140b2a123c04404e3efb5 [2021-10-28 09:53:46,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:53:46,893 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:53:46,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:53:46,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:53:46,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:53:46,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:53:46" (1/1) ... [2021-10-28 09:53:46,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c328c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:46, skipping insertion in model container [2021-10-28 09:53:46,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:53:46" (1/1) ... [2021-10-28 09:53:46,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:53:46,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:53:47,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:53:47,397 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 09:53:47,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2196c5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:47, skipping insertion in model container [2021-10-28 09:53:47,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:53:47,400 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:53:47,404 INFO L168 Benchmark]: Toolchain (without parser) took 507.98 ms. Allocated memory is still 132.1 MB. Free memory was 98.3 MB in the beginning and 101.3 MB in the end (delta: -3.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:47,405 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:53:47,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.93 ms. Allocated memory is still 132.1 MB. Free memory was 98.3 MB in the beginning and 101.3 MB in the end (delta: -3.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:47,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 504.93 ms. Allocated memory is still 132.1 MB. Free memory was 98.3 MB in the beginning and 101.3 MB in the end (delta: -3.0 MB). Peak memory consumption was 6.3 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 09:53:50,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:53:50,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:53:50,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:53:50,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:53:50,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:53:50,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:53:50,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:53:50,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:53:50,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:53:50,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:53:50,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:53:50,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:53:50,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:53:50,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:53:50,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:53:50,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:53:50,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:53:50,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:53:50,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:53:50,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:53:50,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:53:50,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:53:50,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:53:50,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:53:50,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:53:50,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:53:50,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:53:50,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:53:50,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:53:50,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:53:50,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:53:50,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:53:50,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:53:50,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:53:50,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:53:50,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:53:50,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:53:50,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:53:50,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:53:50,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:53:50,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 09:53:50,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:53:50,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:53:50,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:53:50,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:53:50,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:53:50,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:53:50,267 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:53:50,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:53:50,268 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:53:50,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:53:50,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:53:50,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:53:50,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:53:50,271 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:53:50,271 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:53:50,271 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:53:50,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:53:50,272 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:53:50,272 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:53:50,272 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:53:50,273 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:53:50,273 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:53:50,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:53:50,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:53:50,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:53:50,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:53:50,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:53:50,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:53:50,275 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:53:50,276 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:53:50,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:53:50,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:53:50,277 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_1a7504e0-6628-48f3-bb64-86addb142a3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab [2021-10-28 09:53:50,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:53:50,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:53:50,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:53:50,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:53:50,720 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:53:50,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-28 09:53:50,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/data/a84589563/7115b5138a054bb2b5654720621a5bc1/FLAG02139c05a [2021-10-28 09:53:51,424 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:53:51,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-28 09:53:51,449 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/data/a84589563/7115b5138a054bb2b5654720621a5bc1/FLAG02139c05a [2021-10-28 09:53:51,698 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/data/a84589563/7115b5138a054bb2b5654720621a5bc1 [2021-10-28 09:53:51,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:53:51,704 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:53:51,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:53:51,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:53:51,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:53:51,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:53:51" (1/1) ... [2021-10-28 09:53:51,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7204b6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:51, skipping insertion in model container [2021-10-28 09:53:51,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:53:51" (1/1) ... [2021-10-28 09:53:51,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:53:51,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:53:52,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:53:52,270 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 09:53:52,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:53:52,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:53:52,393 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:53:52,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:53:52,539 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:53:52,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:52 WrapperNode [2021-10-28 09:53:52,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:53:52,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:53:52,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:53:52,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:53:52,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:52" (1/1) ... [2021-10-28 09:53:52,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:52" (1/1) ... [2021-10-28 09:53:52,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:52" (1/1) ... [2021-10-28 09:53:52,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:52" (1/1) ... [2021-10-28 09:53:52,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:52" (1/1) ... [2021-10-28 09:53:52,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:52" (1/1) ... [2021-10-28 09:53:52,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:52" (1/1) ... [2021-10-28 09:53:52,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:53:52,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:53:52,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:53:52,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:53:52,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:52" (1/1) ... [2021-10-28 09:53:52,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:53:52,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:53:52,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:53:52,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:53:52,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 09:53:52,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:53:52,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:53:52,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:53:52,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 09:53:52,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 09:53:52,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 09:53:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 09:53:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 09:53:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 09:53:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 09:53:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 09:53:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 09:53:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:53:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 09:53:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 09:53:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 09:53:52,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 09:53:52,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 09:53:52,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 09:53:52,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 09:53:52,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 09:53:52,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 09:53:52,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 09:53:52,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 09:53:52,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 09:53:52,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 09:53:52,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 09:53:52,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 09:53:52,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 09:53:52,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 09:53:52,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 09:53:52,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 09:53:52,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 09:53:52,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 09:53:52,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 09:53:52,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 09:53:52,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 09:53:52,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 09:53:52,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 09:53:52,789 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 09:53:52,789 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 09:53:52,789 INFO L138 BoogieDeclarations]: Found implementation of procedure h_safe [2021-10-28 09:53:52,790 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 09:53:52,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 09:53:52,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 09:53:52,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 09:53:52,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 09:53:52,791 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 09:53:52,791 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 09:53:52,791 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 09:53:52,791 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 09:53:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 09:53:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 09:53:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 09:53:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 09:53:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 09:53:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 09:53:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 09:53:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 09:53:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 09:53:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 09:53:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 09:53:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 09:53:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 09:53:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 09:53:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 09:53:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 09:53:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 09:53:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 09:53:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 09:53:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 09:53:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 09:53:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 09:53:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 09:53:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 09:53:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 09:53:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 09:53:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 09:53:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 09:53:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 09:53:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 09:53:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 09:53:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 09:53:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 09:53:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 09:53:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 09:53:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 09:53:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 09:53:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 09:53:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 09:53:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 09:53:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 09:53:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 09:53:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 09:53:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 09:53:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 09:53:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 09:53:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 09:53:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 09:53:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 09:53:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 09:53:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 09:53:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 09:53:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 09:53:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 09:53:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 09:53:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 09:53:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 09:53:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 09:53:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 09:53:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 09:53:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 09:53:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 09:53:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 09:53:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 09:53:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 09:53:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 09:53:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 09:53:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 09:53:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 09:53:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 09:53:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 09:53:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 09:53:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 09:53:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 09:53:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 09:53:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 09:53:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 09:53:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 09:53:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 09:53:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 09:53:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 09:53:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 09:53:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 09:53:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 09:53:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 09:53:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 09:53:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 09:53:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 09:53:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 09:53:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 09:53:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 09:53:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 09:53:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 09:53:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 09:53:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 09:53:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 09:53:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 09:53:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 09:53:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 09:53:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 09:53:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 09:53:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 09:53:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 09:53:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 09:53:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 09:53:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 09:53:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 09:53:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 09:53:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 09:53:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 09:53:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:53:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 09:53:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 09:53:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:53:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:53:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 09:53:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 09:53:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 09:53:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:53:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 09:53:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 09:53:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 09:53:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 09:53:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 09:53:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 09:53:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:53:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 09:53:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 09:53:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 09:53:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 09:53:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 09:53:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:53:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:53:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 09:53:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 09:53:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:53:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 09:53:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 09:53:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 09:53:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 09:53:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 09:53:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 09:53:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 09:53:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 09:53:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 09:53:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 09:53:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 09:53:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 09:53:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 09:53:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 09:53:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure h_safe [2021-10-28 09:53:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 09:53:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 09:53:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 09:53:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:53:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:53:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:53:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:53:52,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 09:53:52,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 09:53:52,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 09:53:52,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 09:53:53,448 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:53:53,968 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:53:54,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:53:54,418 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 09:53:54,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:54 BoogieIcfgContainer [2021-10-28 09:53:54,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:53:54,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:53:54,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:53:54,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:53:54,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:53:51" (1/3) ... [2021-10-28 09:53:54,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6c1167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:53:54, skipping insertion in model container [2021-10-28 09:53:54,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:52" (2/3) ... [2021-10-28 09:53:54,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6c1167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:53:54, skipping insertion in model container [2021-10-28 09:53:54,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:54" (3/3) ... [2021-10-28 09:53:54,435 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test3-2.i [2021-10-28 09:53:54,443 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:53:54,444 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-28 09:53:54,490 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:53:54,497 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 09:53:54,498 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-28 09:53:54,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 55 states have (on average 1.509090909090909) internal successors, (83), 76 states have internal predecessors, (83), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-10-28 09:53:54,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:53:54,526 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:53:54,527 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 09:53:54,527 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 09:53:54,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:54,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1115971593, now seen corresponding path program 1 times [2021-10-28 09:53:54,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:53:54,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123074886] [2021-10-28 09:53:54,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:54,557 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:53:54,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:53:54,573 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:53:54,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:53:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:54,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:53:54,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:53:55,022 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 09:53:55,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:53:55,227 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 09:53:55,228 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:53:55,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123074886] [2021-10-28 09:53:55,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123074886] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:55,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:55,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-10-28 09:53:55,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88792594] [2021-10-28 09:53:55,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:53:55,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:53:55,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:53:55,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:53:55,257 INFO L87 Difference]: Start difference. First operand has 100 states, 55 states have (on average 1.509090909090909) internal successors, (83), 76 states have internal predecessors, (83), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:53:55,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:53:55,306 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2021-10-28 09:53:55,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:53:55,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2021-10-28 09:53:55,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:53:55,317 INFO L225 Difference]: With dead ends: 29 [2021-10-28 09:53:55,317 INFO L226 Difference]: Without dead ends: 26 [2021-10-28 09:53:55,319 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:53:55,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-28 09:53:55,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 09:53:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 09:53:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-10-28 09:53:55,360 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 18 [2021-10-28 09:53:55,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:53:55,361 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-10-28 09:53:55,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:53:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-10-28 09:53:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:53:55,363 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:53:55,364 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:55,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-28 09:53:55,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:53:55,579 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 09:53:55,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:55,580 INFO L85 PathProgramCache]: Analyzing trace with hash -235380623, now seen corresponding path program 1 times [2021-10-28 09:53:55,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:53:55,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [959540932] [2021-10-28 09:53:55,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:55,581 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:53:55,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:53:55,582 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:53:55,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:53:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:55,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:53:55,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:53:56,031 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 09:53:56,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:53:56,297 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 09:53:56,297 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:53:56,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [959540932] [2021-10-28 09:53:56,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [959540932] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:56,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:56,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2021-10-28 09:53:56,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426114405] [2021-10-28 09:53:56,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 09:53:56,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:53:56,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 09:53:56,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-28 09:53:56,302 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 9 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-28 09:53:56,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:53:56,567 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2021-10-28 09:53:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 09:53:56,568 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 9 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 19 [2021-10-28 09:53:56,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:53:56,572 INFO L225 Difference]: With dead ends: 37 [2021-10-28 09:53:56,572 INFO L226 Difference]: Without dead ends: 37 [2021-10-28 09:53:56,573 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-28 09:53:56,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-28 09:53:56,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2021-10-28 09:53:56,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 09:53:56,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2021-10-28 09:53:56,582 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 19 [2021-10-28 09:53:56,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:53:56,583 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2021-10-28 09:53:56,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 9 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-28 09:53:56,583 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2021-10-28 09:53:56,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 09:53:56,585 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:53:56,585 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:56,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:53:56,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:53:56,799 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 09:53:56,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:56,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1293135673, now seen corresponding path program 1 times [2021-10-28 09:53:56,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:53:56,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399439392] [2021-10-28 09:53:56,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:56,801 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:53:56,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:53:56,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:53:56,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 09:53:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:57,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:53:57,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:53:57,096 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 09:53:57,189 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 09:53:57,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:53:57,388 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 09:53:57,389 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:53:57,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399439392] [2021-10-28 09:53:57,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399439392] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:57,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:57,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-10-28 09:53:57,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211200966] [2021-10-28 09:53:57,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:53:57,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:53:57,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:53:57,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:53:57,418 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:53:57,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:53:57,508 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-10-28 09:53:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:53:57,510 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-28 09:53:57,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:53:57,511 INFO L225 Difference]: With dead ends: 35 [2021-10-28 09:53:57,512 INFO L226 Difference]: Without dead ends: 35 [2021-10-28 09:53:57,512 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:53:57,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-28 09:53:57,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-28 09:53:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 09:53:57,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2021-10-28 09:53:57,519 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 20 [2021-10-28 09:53:57,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:53:57,519 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2021-10-28 09:53:57,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:53:57,520 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2021-10-28 09:53:57,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 09:53:57,521 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:53:57,521 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:57,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:53:57,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:53:57,734 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 09:53:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:57,735 INFO L85 PathProgramCache]: Analyzing trace with hash -503815686, now seen corresponding path program 1 times [2021-10-28 09:53:57,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:53:57,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091409801] [2021-10-28 09:53:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:57,736 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:53:57,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:53:57,738 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:53:57,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 09:53:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:57,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:53:57,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:53:58,157 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 09:53:58,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:53:58,403 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 09:53:58,403 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:53:58,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091409801] [2021-10-28 09:53:58,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091409801] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:58,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:58,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-10-28 09:53:58,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128817903] [2021-10-28 09:53:58,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:53:58,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:53:58,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:53:58,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:53:58,406 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:53:58,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:53:58,450 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2021-10-28 09:53:58,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:53:58,451 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-28 09:53:58,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:53:58,454 INFO L225 Difference]: With dead ends: 33 [2021-10-28 09:53:58,455 INFO L226 Difference]: Without dead ends: 33 [2021-10-28 09:53:58,460 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:53:58,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-28 09:53:58,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2021-10-28 09:53:58,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 09:53:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2021-10-28 09:53:58,466 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 20 [2021-10-28 09:53:58,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:53:58,466 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2021-10-28 09:53:58,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:53:58,467 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2021-10-28 09:53:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 09:53:58,467 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:53:58,468 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:58,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:53:58,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:53:58,692 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 09:53:58,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:58,693 INFO L85 PathProgramCache]: Analyzing trace with hash -503568140, now seen corresponding path program 1 times [2021-10-28 09:53:58,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:53:58,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550167469] [2021-10-28 09:53:58,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:58,694 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:53:58,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:53:58,695 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:53:58,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 09:53:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:58,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:53:58,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:53:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:53:59,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:53:59,197 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 09:53:59,198 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:53:59,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550167469] [2021-10-28 09:53:59,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550167469] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:53:59,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:53:59,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 09:53:59,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794268459] [2021-10-28 09:53:59,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:53:59,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:53:59,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:53:59,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:53:59,201 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 09:53:59,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:53:59,234 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2021-10-28 09:53:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:53:59,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 20 [2021-10-28 09:53:59,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:53:59,235 INFO L225 Difference]: With dead ends: 34 [2021-10-28 09:53:59,236 INFO L226 Difference]: Without dead ends: 24 [2021-10-28 09:53:59,236 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:53:59,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-10-28 09:53:59,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-10-28 09:53:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.0) internal successors, (14), 14 states have internal predecessors, (14), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 09:53:59,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2021-10-28 09:53:59,240 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 20 [2021-10-28 09:53:59,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:53:59,241 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2021-10-28 09:53:59,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 09:53:59,241 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2021-10-28 09:53:59,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 09:53:59,242 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:53:59,242 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:53:59,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:53:59,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:53:59,453 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 09:53:59,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:59,454 INFO L85 PathProgramCache]: Analyzing trace with hash -2051414223, now seen corresponding path program 1 times [2021-10-28 09:53:59,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:53:59,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483661561] [2021-10-28 09:53:59,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:59,455 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:53:59,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:53:59,456 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:53:59,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 09:53:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:53:59,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:53:59,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:54:00,065 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 09:54:00,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:54:08,581 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_10| (store |c_#valid| c_entry_point_~p~0.base (_ bv0 1))) (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_18)))))))))))))))) is different from false [2021-10-28 09:54:11,500 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-28 09:54:11,501 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 89 treesize of output 136 [2021-10-28 09:54:12,249 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:54:12,250 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 43 treesize of output 47 [2021-10-28 09:54:12,722 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 09:54:13,386 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:54:13,386 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 69 treesize of output 109 [2021-10-28 09:54:16,188 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_4 (_ BitVec 32))) (= (_ bv0 1) (select (store |c_#valid| |c_h_safe_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_4))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|)))))))))) is different from true [2021-10-28 09:54:18,224 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_4 (_ BitVec 32))) (= (_ bv0 1) (bvneg (select (store |c_#valid| |c_h_safe_#t~ret38.base| (_ bv0 1)) v_antiDerIndex_entry0_4)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|)))))))))) is different from true [2021-10-28 09:54:20,303 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_4 (_ BitVec 32)) (|v_h_safe_#t~ret38.base_66| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_h_safe_#t~ret38.base_66|)))) (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_antiDerIndex_entry0_4)))))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|)))))))))) is different from true [2021-10-28 09:54:22,352 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_4 (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_4))))) (exists ((v_antiDerIndex_entry0_4 (_ BitVec 32)) (|v_h_safe_#t~ret38.base_66| (_ BitVec 32))) (and (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_old(#valid)| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_antiDerIndex_entry0_4))))) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_h_safe_#t~ret38.base_66|)))))) (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|))))))))))) is different from true [2021-10-28 09:54:24,464 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_antiDerIndex_entry0_4 (_ BitVec 32)) (|v_h_safe_#t~ret38.base_66| (_ BitVec 32))) (and (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_old(#valid)| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_antiDerIndex_entry0_4))))) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_h_safe_#t~ret38.base_66|)))))) (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|)))))))))) (forall ((|v_ldv_malloc_#res.base_55| (_ BitVec 32)) (v_antiDerIndex_entry0_4 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_55|)))) (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ bv0 1)) v_antiDerIndex_entry0_4))))))) is different from true [2021-10-28 09:54:24,548 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 09:54:24,549 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:54:24,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483661561] [2021-10-28 09:54:24,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483661561] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:54:24,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:54:24,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 12] imperfect sequences [] total 18 [2021-10-28 09:54:24,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254440847] [2021-10-28 09:54:24,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-28 09:54:24,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:54:24,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-28 09:54:24,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=110, Unknown=27, NotChecked=162, Total=342 [2021-10-28 09:54:24,553 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand has 19 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 12 states have internal predecessors, (26), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-28 09:54:45,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:54:45,498 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2021-10-28 09:54:45,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:54:45,499 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 12 states have internal predecessors, (26), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 23 [2021-10-28 09:54:45,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:54:45,499 INFO L225 Difference]: With dead ends: 23 [2021-10-28 09:54:45,500 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:54:45,500 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 22.7s TimeCoverageRelationStatistics Valid=46, Invalid=128, Unknown=32, NotChecked=174, Total=380 [2021-10-28 09:54:45,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:54:45,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:54:45,501 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 09:54:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:54:45,501 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-28 09:54:45,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:54:45,501 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:54:45,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 12 states have internal predecessors, (26), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-28 09:54:45,502 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:54:45,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:54:45,505 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,505 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,507 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,507 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 09:54:45,507 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 09:54:45,507 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,508 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,508 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 09:54:45,508 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 09:54:45,508 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,509 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,509 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 09:54:45,509 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 09:54:45,509 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 09:54:45,510 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 09:54:45,510 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 09:54:45,510 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 09:54:45,510 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,511 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,511 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,511 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,511 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:54:45,511 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:54:45,512 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,512 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,512 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 09:54:45,512 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 09:54:45,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 09:54:45,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 09:54:45,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 09:54:45,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 09:54:45,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 09:54:45,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 09:54:45,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 09:54:45,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 09:54:45,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 09:54:45,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,520 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,520 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,520 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,520 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,521 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,521 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,521 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,521 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,522 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:54:45,522 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:54:45,522 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 09:54:45,522 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 09:54:45,523 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,523 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,523 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:54:45,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:54:45,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:54:45,741 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-28 09:54:45,743 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:54:45,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:54:45 BoogieIcfgContainer [2021-10-28 09:54:45,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:54:45,747 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:54:45,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:54:45,748 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:54:45,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:54" (3/4) ... [2021-10-28 09:54:45,752 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:54:45,762 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2021-10-28 09:54:45,762 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:54:45,762 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2021-10-28 09:54:45,762 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2021-10-28 09:54:45,763 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2021-10-28 09:54:45,763 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2021-10-28 09:54:45,763 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2021-10-28 09:54:45,763 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2021-10-28 09:54:45,763 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2021-10-28 09:54:45,763 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-10-28 09:54:45,764 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2021-10-28 09:54:45,764 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2021-10-28 09:54:45,764 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2021-10-28 09:54:45,764 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2021-10-28 09:54:45,764 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2021-10-28 09:54:45,764 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:54:45,764 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2021-10-28 09:54:45,765 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2021-10-28 09:54:45,765 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2021-10-28 09:54:45,765 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2021-10-28 09:54:45,765 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2021-10-28 09:54:45,765 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2021-10-28 09:54:45,765 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2021-10-28 09:54:45,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2021-10-28 09:54:45,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2021-10-28 09:54:45,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2021-10-28 09:54:45,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2021-10-28 09:54:45,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2021-10-28 09:54:45,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2021-10-28 09:54:45,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-10-28 09:54:45,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2021-10-28 09:54:45,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2021-10-28 09:54:45,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2021-10-28 09:54:45,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2021-10-28 09:54:45,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2021-10-28 09:54:45,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2021-10-28 09:54:45,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-10-28 09:54:45,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2021-10-28 09:54:45,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure h_safe [2021-10-28 09:54:45,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2021-10-28 09:54:45,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-10-28 09:54:45,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-10-28 09:54:45,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2021-10-28 09:54:45,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-10-28 09:54:45,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2021-10-28 09:54:45,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2021-10-28 09:54:45,770 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2021-10-28 09:54:45,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-10-28 09:54:45,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 09:54:45,779 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:54:45,779 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:54:45,780 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:54:45,830 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:54:45,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:54:45,835 INFO L168 Benchmark]: Toolchain (without parser) took 54131.33 ms. Allocated memory was 56.6 MB in the beginning and 123.7 MB in the end (delta: 67.1 MB). Free memory was 32.7 MB in the beginning and 64.3 MB in the end (delta: -31.7 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:54:45,837 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory is still 37.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:54:45,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.45 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 32.4 MB in the beginning and 43.6 MB in the end (delta: -11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:54:45,838 INFO L168 Benchmark]: Boogie Preprocessor took 135.52 ms. Allocated memory is still 77.6 MB. Free memory was 43.6 MB in the beginning and 57.9 MB in the end (delta: -14.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:54:45,839 INFO L168 Benchmark]: RCFGBuilder took 1744.23 ms. Allocated memory is still 77.6 MB. Free memory was 57.9 MB in the beginning and 52.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:54:45,839 INFO L168 Benchmark]: TraceAbstraction took 51321.66 ms. Allocated memory was 77.6 MB in the beginning and 123.7 MB in the end (delta: 46.1 MB). Free memory was 52.1 MB in the beginning and 69.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:54:45,840 INFO L168 Benchmark]: Witness Printer took 86.79 ms. Allocated memory is still 123.7 MB. Free memory was 69.5 MB in the beginning and 64.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:54:45,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory is still 37.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 825.45 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 32.4 MB in the beginning and 43.6 MB in the end (delta: -11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 135.52 ms. Allocated memory is still 77.6 MB. Free memory was 43.6 MB in the beginning and 57.9 MB in the end (delta: -14.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1744.23 ms. Allocated memory is still 77.6 MB. Free memory was 57.9 MB in the beginning and 52.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 51321.66 ms. Allocated memory was 77.6 MB in the beginning and 123.7 MB in the end (delta: 46.1 MB). Free memory was 52.1 MB in the beginning and 69.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * Witness Printer took 86.79 ms. Allocated memory is still 123.7 MB. Free memory was 69.5 MB in the beginning and 64.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 764]: 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: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 340 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 51.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 132 SDtfs, 44 SDslu, 447 SDs, 0 SdLazy, 389 SolverSat, 22 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 18.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 185 SyntacticMatches, 10 SemanticMatches, 45 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 23.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=0, InterpolantAutomatonStates: 46, 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, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 26.8s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 228 ConstructedInterpolants, 20 QuantifiedInterpolants, 1446 SizeOfPredicates, 2 NumberOfNonLiveVariables, 446 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 09:54:45,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7504e0-6628-48f3-bb64-86addb142a3c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...