./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.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_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02acfb70bf31515ceb84abad2b1306b0eab86ac3ab86c4ec829443e87c9da071 ................................................................................................................................... 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_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02acfb70bf31515ceb84abad2b1306b0eab86ac3ab86c4ec829443e87c9da071 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:38:19,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:38:19,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:38:19,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:38:19,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:38:19,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:38:19,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:38:19,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:38:19,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:38:19,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:38:19,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:38:19,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:38:19,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:38:19,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:38:19,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:38:19,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:38:19,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:38:19,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:38:19,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:38:19,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:38:19,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:38:19,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:38:19,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:38:19,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:38:19,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:38:19,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:38:19,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:38:19,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:38:19,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:38:19,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:38:19,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:38:19,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:38:19,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:38:19,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:38:19,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:38:19,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:38:19,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:38:19,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:38:19,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:38:19,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:38:19,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:38:19,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 23:38:19,872 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:38:19,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:38:19,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:38:19,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:38:19,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:38:19,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:38:19,884 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:38:19,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:38:19,885 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:38:19,885 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:38:19,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:38:19,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:38:19,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:38:19,887 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:38:19,887 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:38:19,888 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:38:19,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:38:19,888 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:38:19,888 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:38:19,889 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:38:19,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:38:19,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:38:19,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:38:19,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:38:19,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:38:19,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:38:19,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:38:19,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:38:19,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:38:19,893 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_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02acfb70bf31515ceb84abad2b1306b0eab86ac3ab86c4ec829443e87c9da071 [2021-10-28 23:38:20,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:38:20,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:38:20,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:38:20,223 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:38:20,224 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:38:20,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-10-28 23:38:20,321 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/data/cd680c3bd/7bb3754176d04bb386c534a1eabf459f/FLAGbcd14d349 [2021-10-28 23:38:21,039 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:38:21,039 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-10-28 23:38:21,064 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/data/cd680c3bd/7bb3754176d04bb386c534a1eabf459f/FLAGbcd14d349 [2021-10-28 23:38:21,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/data/cd680c3bd/7bb3754176d04bb386c534a1eabf459f [2021-10-28 23:38:21,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:38:21,215 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:38:21,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:38:21,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:38:21,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:38:21,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:38:21" (1/1) ... [2021-10-28 23:38:21,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d143e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:21, skipping insertion in model container [2021-10-28 23:38:21,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:38:21" (1/1) ... [2021-10-28 23:38:21,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:38:21,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:38:21,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:38:21,914 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-28 23:38:21,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30ee435c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:21, skipping insertion in model container [2021-10-28 23:38:21,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:38:21,915 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 23:38:21,919 INFO L168 Benchmark]: Toolchain (without parser) took 701.49 ms. Allocated memory is still 121.6 MB. Free memory was 77.6 MB in the beginning and 92.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:38:21,922 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 121.6 MB. Free memory was 96.2 MB in the beginning and 96.1 MB in the end (delta: 72.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:38:21,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.03 ms. Allocated memory is still 121.6 MB. Free memory was 77.3 MB in the beginning and 92.1 MB in the end (delta: -14.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:38:21,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 121.6 MB. Free memory was 96.2 MB in the beginning and 96.1 MB in the end (delta: 72.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 698.03 ms. Allocated memory is still 121.6 MB. Free memory was 77.3 MB in the beginning and 92.1 MB in the end (delta: -14.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:38:24,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:38:24,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:38:24,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:38:24,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:38:24,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:38:24,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:38:24,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:38:24,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:38:24,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:38:24,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:38:24,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:38:24,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:38:24,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:38:24,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:38:24,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:38:24,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:38:24,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:38:24,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:38:24,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:38:24,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:38:24,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:38:24,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:38:24,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:38:24,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:38:24,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:38:24,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:38:24,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:38:24,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:38:24,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:38:24,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:38:24,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:38:24,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:38:24,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:38:24,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:38:24,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:38:24,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:38:24,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:38:24,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:38:24,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:38:24,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:38:24,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 23:38:24,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:38:24,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:38:24,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:38:24,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:38:24,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:38:24,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:38:24,685 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:38:24,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:38:24,686 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:38:24,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:38:24,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:38:24,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:38:24,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:38:24,688 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:38:24,688 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:38:24,688 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:38:24,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:38:24,689 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:38:24,689 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:38:24,689 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:38:24,692 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:38:24,693 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:38:24,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:38:24,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:38:24,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:38:24,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:38:24,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:38:24,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:38:24,696 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:38:24,696 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:38:24,696 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:38:24,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:38:24,697 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_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02acfb70bf31515ceb84abad2b1306b0eab86ac3ab86c4ec829443e87c9da071 [2021-10-28 23:38:25,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:38:25,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:38:25,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:38:25,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:38:25,203 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:38:25,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-10-28 23:38:25,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/data/1b450c915/6e38a5b8f5794865ab45c5d6825fb32a/FLAGe7c9a89ed [2021-10-28 23:38:26,010 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:38:26,011 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-10-28 23:38:26,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/data/1b450c915/6e38a5b8f5794865ab45c5d6825fb32a/FLAGe7c9a89ed [2021-10-28 23:38:26,228 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/data/1b450c915/6e38a5b8f5794865ab45c5d6825fb32a [2021-10-28 23:38:26,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:38:26,234 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:38:26,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:38:26,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:38:26,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:38:26,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:38:26" (1/1) ... [2021-10-28 23:38:26,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a48730e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:26, skipping insertion in model container [2021-10-28 23:38:26,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:38:26" (1/1) ... [2021-10-28 23:38:26,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:38:26,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:38:26,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:38:26,985 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 23:38:26,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:38:27,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:38:27,071 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:38:27,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:38:27,235 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:38:27,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:27 WrapperNode [2021-10-28 23:38:27,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:38:27,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:38:27,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:38:27,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:38:27,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:27" (1/1) ... [2021-10-28 23:38:27,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:27" (1/1) ... [2021-10-28 23:38:27,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:27" (1/1) ... [2021-10-28 23:38:27,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:27" (1/1) ... [2021-10-28 23:38:27,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:27" (1/1) ... [2021-10-28 23:38:27,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:27" (1/1) ... [2021-10-28 23:38:27,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:27" (1/1) ... [2021-10-28 23:38:27,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:38:27,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:38:27,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:38:27,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:38:27,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:27" (1/1) ... [2021-10-28 23:38:27,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:38:27,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:38:27,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:38:27,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:38:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 23:38:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:38:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:38:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:38:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 23:38:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 23:38:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 23:38:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 23:38:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 23:38:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 23:38:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 23:38:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 23:38:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 23:38:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:38:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 23:38:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 23:38:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 23:38:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 23:38:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 23:38:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 23:38:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 23:38:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 23:38:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 23:38:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 23:38:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 23:38:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 23:38:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 23:38:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 23:38:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 23:38:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 23:38:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 23:38:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 23:38:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 23:38:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 23:38:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 23:38:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 23:38:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 23:38:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 23:38:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 23:38:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 23:38:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 23:38:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 23:38:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-10-28 23:38:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-10-28 23:38:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_2_11 [2021-10-28 23:38:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-10-28 23:38:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 23:38:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 23:38:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 23:38:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 23:38:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 23:38:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 23:38:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 23:38:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 23:38:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 23:38:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 23:38:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 23:38:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 23:38:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 23:38:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 23:38:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 23:38:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 23:38:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 23:38:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 23:38:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 23:38:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 23:38:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 23:38:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 23:38:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 23:38:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 23:38:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 23:38:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 23:38:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 23:38:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 23:38:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 23:38:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 23:38:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 23:38:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 23:38:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 23:38:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 23:38:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 23:38:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 23:38:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 23:38:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 23:38:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 23:38:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 23:38:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 23:38:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 23:38:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 23:38:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 23:38:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 23:38:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 23:38:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 23:38:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 23:38:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 23:38:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 23:38:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 23:38:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 23:38:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 23:38:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 23:38:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 23:38:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 23:38:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 23:38:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 23:38:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 23:38:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 23:38:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 23:38:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 23:38:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 23:38:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 23:38:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 23:38:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 23:38:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 23:38:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 23:38:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 23:38:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 23:38:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 23:38:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 23:38:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 23:38:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 23:38:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 23:38:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 23:38:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 23:38:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 23:38:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 23:38:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 23:38:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 23:38:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 23:38:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 23:38:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 23:38:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 23:38:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 23:38:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 23:38:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 23:38:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 23:38:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 23:38:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 23:38:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 23:38:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 23:38:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 23:38:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 23:38:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 23:38:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 23:38:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 23:38:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 23:38:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 23:38:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 23:38:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 23:38:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 23:38:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 23:38:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 23:38:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 23:38:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 23:38:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 23:38:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 23:38:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 23:38:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 23:38:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 23:38:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 23:38:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 23:38:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 23:38:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 23:38:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 23:38:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 23:38:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 23:38:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:38:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 23:38:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 23:38:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:38:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:38:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 23:38:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 23:38:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 23:38:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 23:38:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 23:38:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 23:38:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 23:38:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 23:38:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 23:38:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 23:38:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:38:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 23:38:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 23:38:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 23:38:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 23:38:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 23:38:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:38:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:38:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 23:38:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 23:38:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:38:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 23:38:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 23:38:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 23:38:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 23:38:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 23:38:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 23:38:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 23:38:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 23:38:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 23:38:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 23:38:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 23:38:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 23:38:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 23:38:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 23:38:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-10-28 23:38:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-10-28 23:38:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_2_11 [2021-10-28 23:38:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-10-28 23:38:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 23:38:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 23:38:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 23:38:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:38:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 23:38:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:38:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:38:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 23:38:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 23:38:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 23:38:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 23:38:28,397 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:38:28,799 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:38:29,338 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:38:29,339 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 23:38:29,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:38:29 BoogieIcfgContainer [2021-10-28 23:38:29,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:38:29,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:38:29,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:38:29,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:38:29,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:38:26" (1/3) ... [2021-10-28 23:38:29,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28170e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:38:29, skipping insertion in model container [2021-10-28 23:38:29,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:27" (2/3) ... [2021-10-28 23:38:29,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28170e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:38:29, skipping insertion in model container [2021-10-28 23:38:29,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:38:29" (3/3) ... [2021-10-28 23:38:29,354 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11_1.i [2021-10-28 23:38:29,359 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:38:29,360 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 96 error locations. [2021-10-28 23:38:29,408 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:38:29,415 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:38:29,415 INFO L340 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2021-10-28 23:38:29,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 98 states have (on average 1.5918367346938775) internal successors, (156), 145 states have internal predecessors, (156), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-10-28 23:38:29,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:38:29,448 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:38:29,449 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:38:29,450 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-10-28 23:38:29,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:38:29,457 INFO L85 PathProgramCache]: Analyzing trace with hash 2088463859, now seen corresponding path program 1 times [2021-10-28 23:38:29,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:38:29,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1069007944] [2021-10-28 23:38:29,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:38:29,474 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:38:29,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:38:29,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:38:29,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:38:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:38:29,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:38:29,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:38:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:38:29,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:38:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:38:30,135 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:38:30,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1069007944] [2021-10-28 23:38:30,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1069007944] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:38:30,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:38:30,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 23:38:30,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641460234] [2021-10-28 23:38:30,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:38:30,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:38:30,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:38:30,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:38:30,192 INFO L87 Difference]: Start difference. First operand has 183 states, 98 states have (on average 1.5918367346938775) internal successors, (156), 145 states have internal predecessors, (156), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:38:30,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:38:30,402 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2021-10-28 23:38:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:38:30,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2021-10-28 23:38:30,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:38:30,422 INFO L225 Difference]: With dead ends: 151 [2021-10-28 23:38:30,422 INFO L226 Difference]: Without dead ends: 148 [2021-10-28 23:38:30,424 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:38:30,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-10-28 23:38:30,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 114. [2021-10-28 23:38:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.5833333333333333) internal successors, (95), 89 states have internal predecessors, (95), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-10-28 23:38:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 126 transitions. [2021-10-28 23:38:30,529 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 126 transitions. Word has length 16 [2021-10-28 23:38:30,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:38:30,530 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 126 transitions. [2021-10-28 23:38:30,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:38:30,530 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 126 transitions. [2021-10-28 23:38:30,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:38:30,532 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:38:30,532 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:38:30,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:38:30,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:38:30,733 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-10-28 23:38:30,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:38:30,741 INFO L85 PathProgramCache]: Analyzing trace with hash -463693102, now seen corresponding path program 1 times [2021-10-28 23:38:30,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:38:30,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644797635] [2021-10-28 23:38:30,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:38:30,745 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:38:30,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:38:30,747 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:38:30,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:38:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:38:30,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:38:30,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:38:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:38:31,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:38:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:38:31,214 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:38:31,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644797635] [2021-10-28 23:38:31,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1644797635] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:38:31,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:38:31,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 23:38:31,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082829002] [2021-10-28 23:38:31,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:38:31,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:38:31,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:38:31,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:38:31,220 INFO L87 Difference]: Start difference. First operand 114 states and 126 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 23:38:31,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:38:31,471 INFO L93 Difference]: Finished difference Result 168 states and 192 transitions. [2021-10-28 23:38:31,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:38:31,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-10-28 23:38:31,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:38:31,475 INFO L225 Difference]: With dead ends: 168 [2021-10-28 23:38:31,475 INFO L226 Difference]: Without dead ends: 165 [2021-10-28 23:38:31,476 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:38:31,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-10-28 23:38:31,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 110. [2021-10-28 23:38:31,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 57 states have (on average 1.5964912280701755) internal successors, (91), 86 states have internal predecessors, (91), 14 states have call successors, (14), 10 states have call predecessors, (14), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-28 23:38:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2021-10-28 23:38:31,491 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 16 [2021-10-28 23:38:31,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:38:31,492 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2021-10-28 23:38:31,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 23:38:31,492 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2021-10-28 23:38:31,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 23:38:31,493 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:38:31,494 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:38:31,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:38:31,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:38:31,707 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-10-28 23:38:31,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:38:31,708 INFO L85 PathProgramCache]: Analyzing trace with hash -914027467, now seen corresponding path program 1 times [2021-10-28 23:38:31,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:38:31,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948245091] [2021-10-28 23:38:31,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:38:31,710 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:38:31,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:38:31,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:38:31,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:38:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:38:31,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:38:31,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:38:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:38:32,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:38:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:38:32,094 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:38:32,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948245091] [2021-10-28 23:38:32,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948245091] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:38:32,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:38:32,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 23:38:32,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131450633] [2021-10-28 23:38:32,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:38:32,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:38:32,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:38:32,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:38:32,099 INFO L87 Difference]: Start difference. First operand 110 states and 118 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:38:32,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:38:32,208 INFO L93 Difference]: Finished difference Result 145 states and 162 transitions. [2021-10-28 23:38:32,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:38:32,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2021-10-28 23:38:32,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:38:32,215 INFO L225 Difference]: With dead ends: 145 [2021-10-28 23:38:32,215 INFO L226 Difference]: Without dead ends: 145 [2021-10-28 23:38:32,216 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:38:32,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-10-28 23:38:32,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 114. [2021-10-28 23:38:32,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.5666666666666667) internal successors, (94), 89 states have internal predecessors, (94), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-10-28 23:38:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 125 transitions. [2021-10-28 23:38:32,228 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 125 transitions. Word has length 21 [2021-10-28 23:38:32,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:38:32,229 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 125 transitions. [2021-10-28 23:38:32,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:38:32,233 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 125 transitions. [2021-10-28 23:38:32,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 23:38:32,235 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:38:32,235 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:38:32,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-28 23:38:32,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:38:32,453 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-10-28 23:38:32,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:38:32,454 INFO L85 PathProgramCache]: Analyzing trace with hash -914027434, now seen corresponding path program 1 times [2021-10-28 23:38:32,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:38:32,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931047265] [2021-10-28 23:38:32,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:38:32,455 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:38:32,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:38:32,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:38:32,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 23:38:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:38:32,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:38:32,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:38:32,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 23:38:32,994 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-28 23:38:32,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-10-28 23:38:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:38:33,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:38:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:38:33,437 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:38:33,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931047265] [2021-10-28 23:38:33,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931047265] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:38:33,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:38:33,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-28 23:38:33,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930196162] [2021-10-28 23:38:33,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:38:33,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:38:33,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:38:33,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:38:33,441 INFO L87 Difference]: Start difference. First operand 114 states and 125 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 23:38:34,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:38:34,935 INFO L93 Difference]: Finished difference Result 227 states and 264 transitions. [2021-10-28 23:38:34,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:38:34,936 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2021-10-28 23:38:34,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:38:34,940 INFO L225 Difference]: With dead ends: 227 [2021-10-28 23:38:34,940 INFO L226 Difference]: Without dead ends: 227 [2021-10-28 23:38:34,941 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-10-28 23:38:34,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-10-28 23:38:34,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 129. [2021-10-28 23:38:34,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 73 states have (on average 1.5342465753424657) internal successors, (112), 100 states have internal predecessors, (112), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (19), 17 states have call predecessors, (19), 14 states have call successors, (19) [2021-10-28 23:38:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 146 transitions. [2021-10-28 23:38:34,960 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 146 transitions. Word has length 21 [2021-10-28 23:38:34,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:38:34,960 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 146 transitions. [2021-10-28 23:38:34,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 23:38:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2021-10-28 23:38:34,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 23:38:34,962 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:38:34,963 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:38:34,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:38:35,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:38:35,186 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-10-28 23:38:35,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:38:35,187 INFO L85 PathProgramCache]: Analyzing trace with hash -914027433, now seen corresponding path program 1 times [2021-10-28 23:38:35,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:38:35,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1971550008] [2021-10-28 23:38:35,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:38:35,188 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:38:35,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:38:35,190 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:38:35,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 23:38:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:38:35,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 23:38:35,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:38:35,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 23:38:35,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 23:38:37,974 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 23:38:37,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2021-10-28 23:38:37,992 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 23:38:37,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2021-10-28 23:38:38,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:38:38,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:38:53,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2021-10-28 23:38:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:38:53,541 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:38:53,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1971550008] [2021-10-28 23:38:53,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1971550008] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:38:53,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:38:53,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-28 23:38:53,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793587218] [2021-10-28 23:38:53,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-28 23:38:53,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:38:53,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 23:38:53,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=197, Unknown=5, NotChecked=0, Total=240 [2021-10-28 23:38:53,544 INFO L87 Difference]: Start difference. First operand 129 states and 146 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 23:39:55,198 WARN L207 SmtUtils]: Spent 6.22 s on a formula simplification that was a NOOP. DAG size: 74 [2021-10-28 23:43:05,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:43:05,097 INFO L93 Difference]: Finished difference Result 249 states and 288 transitions. [2021-10-28 23:43:05,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-28 23:43:05,098 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 21 [2021-10-28 23:43:05,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:43:05,101 INFO L225 Difference]: With dead ends: 249 [2021-10-28 23:43:05,102 INFO L226 Difference]: Without dead ends: 249 [2021-10-28 23:43:05,103 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 63.9s TimeCoverageRelationStatistics Valid=126, Invalid=608, Unknown=22, NotChecked=0, Total=756 [2021-10-28 23:43:05,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-10-28 23:43:05,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 154. [2021-10-28 23:43:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 92 states have (on average 1.565217391304348) internal successors, (144), 120 states have internal predecessors, (144), 20 states have call successors, (20), 11 states have call predecessors, (20), 12 states have return successors, (28), 22 states have call predecessors, (28), 19 states have call successors, (28) [2021-10-28 23:43:05,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 192 transitions. [2021-10-28 23:43:05,121 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 192 transitions. Word has length 21 [2021-10-28 23:43:05,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:43:05,122 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 192 transitions. [2021-10-28 23:43:05,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 23:43:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 192 transitions. [2021-10-28 23:43:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 23:43:05,124 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:43:05,125 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:43:05,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:43:05,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:43:05,344 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-10-28 23:43:05,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:43:05,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1207430441, now seen corresponding path program 1 times [2021-10-28 23:43:05,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:43:05,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [960622219] [2021-10-28 23:43:05,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:43:05,346 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:43:05,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:43:05,349 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:43:05,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 23:43:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:43:05,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:43:05,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:43:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:43:05,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:43:05,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:43:05,920 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:43:05,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [960622219] [2021-10-28 23:43:05,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [960622219] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-28 23:43:05,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:43:05,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-10-28 23:43:05,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408358133] [2021-10-28 23:43:05,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:43:05,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:43:05,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:43:05,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:43:05,923 INFO L87 Difference]: Start difference. First operand 154 states and 192 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 23:43:05,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:43:05,961 INFO L93 Difference]: Finished difference Result 145 states and 177 transitions. [2021-10-28 23:43:05,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:43:05,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2021-10-28 23:43:05,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:43:05,964 INFO L225 Difference]: With dead ends: 145 [2021-10-28 23:43:05,964 INFO L226 Difference]: Without dead ends: 141 [2021-10-28 23:43:05,964 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:43:05,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-28 23:43:05,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2021-10-28 23:43:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 84 states have (on average 1.5714285714285714) internal successors, (132), 110 states have internal predecessors, (132), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (23), 19 states have call predecessors, (23), 17 states have call successors, (23) [2021-10-28 23:43:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 173 transitions. [2021-10-28 23:43:05,975 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 173 transitions. Word has length 21 [2021-10-28 23:43:05,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:43:05,976 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 173 transitions. [2021-10-28 23:43:05,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 23:43:05,976 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 173 transitions. [2021-10-28 23:43:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:43:05,977 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:43:05,978 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:43:05,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:43:06,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:43:06,182 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-10-28 23:43:06,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:43:06,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1677543537, now seen corresponding path program 1 times [2021-10-28 23:43:06,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:43:06,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054582085] [2021-10-28 23:43:06,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:43:06,183 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:43:06,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:43:06,184 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:43:06,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-28 23:43:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:43:06,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:43:06,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:43:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:43:06,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:43:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:43:07,124 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:43:07,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054582085] [2021-10-28 23:43:07,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2054582085] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:43:07,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:43:07,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-10-28 23:43:07,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908746581] [2021-10-28 23:43:07,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 23:43:07,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:43:07,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:43:07,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:43:07,128 INFO L87 Difference]: Start difference. First operand 141 states and 173 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 23:43:07,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:43:07,891 INFO L93 Difference]: Finished difference Result 140 states and 171 transitions. [2021-10-28 23:43:07,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:43:07,892 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 22 [2021-10-28 23:43:07,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:43:07,894 INFO L225 Difference]: With dead ends: 140 [2021-10-28 23:43:07,894 INFO L226 Difference]: Without dead ends: 140 [2021-10-28 23:43:07,895 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:43:07,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-28 23:43:07,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2021-10-28 23:43:07,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 84 states have (on average 1.5476190476190477) internal successors, (130), 109 states have internal predecessors, (130), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (23), 19 states have call predecessors, (23), 17 states have call successors, (23) [2021-10-28 23:43:07,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 171 transitions. [2021-10-28 23:43:07,909 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 171 transitions. Word has length 22 [2021-10-28 23:43:07,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:43:07,910 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 171 transitions. [2021-10-28 23:43:07,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 23:43:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 171 transitions. [2021-10-28 23:43:07,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 23:43:07,912 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:43:07,912 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:43:07,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-10-28 23:43:08,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:43:08,126 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-10-28 23:43:08,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:43:08,126 INFO L85 PathProgramCache]: Analyzing trace with hash -426625510, now seen corresponding path program 1 times [2021-10-28 23:43:08,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:43:08,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979893240] [2021-10-28 23:43:08,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:43:08,127 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:43:08,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:43:08,128 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:43:08,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-28 23:43:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:43:08,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 23:43:08,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:43:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:43:08,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:43:13,142 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_8| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_8| |c_#valid|) (exists ((v_entry_point_~c11~0.base_29 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_8| (store |c_old(#valid)| v_entry_point_~c11~0.base_29 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~c11~0.base_29))))))))) is different from false [2021-10-28 23:43:13,273 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_8| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_8| (store |c_#valid| c_entry_point_~c11~0.base (_ bv0 1))) (exists ((v_entry_point_~c11~0.base_29 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_8| (store |c_old(#valid)| v_entry_point_~c11~0.base_29 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~c11~0.base_29))))))))) is different from false [2021-10-28 23:43:13,655 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:43:13,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979893240] [2021-10-28 23:43:13,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_1)=(= (select (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_1) (select v_prenex_1 v_antiDerIndex_entry0_1))} [2021-10-28 23:43:13,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [492091790] [2021-10-28 23:43:13,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:43:13,657 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 23:43:13,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/cvc4 [2021-10-28 23:43:13,660 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 23:43:13,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-28 23:43:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:43:14,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 23:43:14,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:43:14,189 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 23:43:14,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-10-28 23:43:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:43:18,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:43:34,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_5)=(= (select v_prenex_5 v_antiDerIndex_entry0_2) (select (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_2))} [2021-10-28 23:43:34,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162916949] [2021-10-28 23:43:34,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:43:34,511 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:43:34,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:43:34,519 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:43:34,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 23:43:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:43:34,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 23:43:34,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:43:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:43:35,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:43:50,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_19| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_9)=(= (select v_prenex_9 v_antiDerIndex_entry0_3) (select (store |v_old(#valid)_BEFORE_CALL_19| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_3))} [2021-10-28 23:43:50,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:43:50,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-28 23:43:50,424 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-28 23:43:50,425 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-10-28 23:43:50,434 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 23:43:50,436 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 23:43:50,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 23:43:50,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 23:43:50,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 23:43:50,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 23:43:50,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 23:43:50,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 23:43:50,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 23:43:50,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 23:43:50,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 23:43:50,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:43:50,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:43:50,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 23:43:50,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 23:43:50,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 23:43:50,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 23:43:50,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 23:43:50,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 23:43:50,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,463 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,463 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,463 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,463 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,464 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,464 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,464 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,464 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,465 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 23:43:50,465 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 23:43:50,465 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 23:43:50,465 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 23:43:50,466 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,466 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,466 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,467 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,467 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,467 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,467 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,468 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,468 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,468 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,468 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,469 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,469 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:43:50,469 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:43:50,469 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err0REQUIRES_VIOLATION [2021-10-28 23:43:50,470 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err1REQUIRES_VIOLATION [2021-10-28 23:43:50,470 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err2REQUIRES_VIOLATION [2021-10-28 23:43:50,470 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err3REQUIRES_VIOLATION [2021-10-28 23:43:50,470 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err4REQUIRES_VIOLATION [2021-10-28 23:43:50,471 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err5REQUIRES_VIOLATION [2021-10-28 23:43:50,471 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,471 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,471 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,473 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,473 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-10-28 23:43:50,473 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-10-28 23:43:50,473 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-10-28 23:43:50,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-10-28 23:43:50,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,476 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,476 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:43:50,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:43:50,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:43:50,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:43:51,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:43:51,095 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:43:51,099 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:43:51,103 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 23:43:51,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:43:51 BoogieIcfgContainer [2021-10-28 23:43:51,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:43:51,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:43:51,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:43:51,113 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:43:51,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:38:29" (3/4) ... [2021-10-28 23:43:51,117 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:43:51,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:43:51,118 INFO L168 Benchmark]: Toolchain (without parser) took 324883.63 ms. Allocated memory was 77.6 MB in the beginning and 125.8 MB in the end (delta: 48.2 MB). Free memory was 54.1 MB in the beginning and 88.1 MB in the end (delta: -34.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:43:51,119 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory is still 34.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:43:51,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1001.05 ms. Allocated memory is still 77.6 MB. Free memory was 54.0 MB in the beginning and 40.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:43:51,120 INFO L168 Benchmark]: Boogie Preprocessor took 184.00 ms. Allocated memory is still 77.6 MB. Free memory was 40.9 MB in the beginning and 55.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:43:51,120 INFO L168 Benchmark]: RCFGBuilder took 1920.37 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 55.1 MB in the beginning and 72.7 MB in the end (delta: -17.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:43:51,121 INFO L168 Benchmark]: TraceAbstraction took 321765.53 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 72.2 MB in the beginning and 88.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 67.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:43:51,121 INFO L168 Benchmark]: Witness Printer took 4.47 ms. Allocated memory is still 125.8 MB. Free memory is still 88.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:43:51,123 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 54.5 MB. Free memory is still 34.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1001.05 ms. Allocated memory is still 77.6 MB. Free memory was 54.0 MB in the beginning and 40.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 184.00 ms. Allocated memory is still 77.6 MB. Free memory was 40.9 MB in the beginning and 55.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1920.37 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 55.1 MB in the beginning and 72.7 MB in the end (delta: -17.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 321765.53 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 72.2 MB in the beginning and 88.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 67.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.47 ms. Allocated memory is still 125.8 MB. Free memory is still 88.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 823]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 823. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L824] CALL entry_point() [L803] CALL, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L803] RET, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L803] struct ldv_i2c_client *c11 = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L804] COND FALSE !(!c11) [L806] CALL, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L806] RET, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L805-L806] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L807] COND TRUE !cfg [L819] free(c11) [L819] free(c11) [L819] free(c11) [L824] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 410 locations, 96 error locations. Started 1 CEGAR loops. OverallTime: 321.6s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 254.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 877 SDtfs, 1064 SDslu, 2435 SDs, 0 SdLazy, 1841 SolverSat, 339 SolverUnsat, 91 SolverUnknown, 0 SolverNotchecked, 201.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 289 GetRequests, 226 SyntacticMatches, 6 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 64.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=0, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 313 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 26.0s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 287 ConstructedInterpolants, 24 QuantifiedInterpolants, 1549 SizeOfPredicates, 8 NumberOfNonLiveVariables, 714 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 26/44 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-28 23:43:51,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac50324-698d-4069-8973-17c8da3518be/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...