./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0 --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 d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:31:33,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:31:33,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:31:33,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:31:33,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:31:33,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:31:33,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:31:33,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:31:33,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:31:33,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:31:33,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:31:33,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:31:33,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:31:33,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:31:33,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:31:33,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:31:33,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:31:33,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:31:33,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:31:34,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:31:34,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:31:34,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:31:34,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:31:34,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:31:34,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:31:34,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:31:34,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:31:34,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:31:34,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:31:34,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:31:34,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:31:34,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:31:34,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:31:34,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:31:34,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:31:34,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:31:34,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:31:34,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:31:34,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:31:34,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:31:34,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:31:34,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-22 15:31:34,110 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:31:34,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:31:34,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:31:34,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:31:34,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:31:34,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:31:34,114 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:31:34,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:31:34,115 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:31:34,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 15:31:34,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:31:34,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:31:34,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:31:34,117 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 15:31:34,118 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 15:31:34,118 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 15:31:34,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:31:34,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 15:31:34,119 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:31:34,119 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:31:34,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:31:34,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:31:34,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:31:34,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:31:34,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:31:34,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:31:34,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:31:34,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:31:34,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:31:34,124 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_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d [2021-11-22 15:31:34,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:31:34,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:31:34,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:31:34,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:31:34,552 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:31:34,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2021-11-22 15:31:34,661 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/data/517d28f42/f87cc47e3fb64f11b3598e888781bd5c/FLAGb5428d1f4 [2021-11-22 15:31:35,470 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:31:35,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2021-11-22 15:31:35,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/data/517d28f42/f87cc47e3fb64f11b3598e888781bd5c/FLAGb5428d1f4 [2021-11-22 15:31:35,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/data/517d28f42/f87cc47e3fb64f11b3598e888781bd5c [2021-11-22 15:31:35,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:31:35,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:31:35,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:31:35,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:31:35,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:31:35,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:31:35" (1/1) ... [2021-11-22 15:31:35,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64cea11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:35, skipping insertion in model container [2021-11-22 15:31:35,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:31:35" (1/1) ... [2021-11-22 15:31:35,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:31:35,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:31:36,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2021-11-22 15:31:36,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2021-11-22 15:31:36,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:31:36,676 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) [2021-11-22 15:31:36,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@774cb4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:36, skipping insertion in model container [2021-11-22 15:31:36,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:31:36,682 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-22 15:31:36,685 INFO L158 Benchmark]: Toolchain (without parser) took 1055.16ms. Allocated memory is still 146.8MB. Free memory was 111.6MB in the beginning and 110.9MB in the end (delta: 735.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:31:36,687 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 48.0MB in the beginning and 48.0MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:31:36,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1051.53ms. Allocated memory is still 146.8MB. Free memory was 111.4MB in the beginning and 110.9MB in the end (delta: 468.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:31:36,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 48.0MB in the beginning and 48.0MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1051.53ms. Allocated memory is still 146.8MB. Free memory was 111.4MB in the beginning and 110.9MB in the end (delta: 468.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 815]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0 --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 d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:31:39,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:31:39,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:31:39,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:31:39,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:31:39,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:31:39,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:31:39,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:31:39,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:31:39,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:31:39,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:31:39,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:31:39,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:31:39,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:31:39,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:31:39,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:31:39,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:31:39,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:31:39,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:31:39,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:31:39,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:31:39,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:31:39,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:31:39,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:31:39,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:31:39,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:31:39,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:31:39,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:31:39,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:31:39,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:31:39,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:31:39,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:31:39,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:31:39,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:31:39,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:31:39,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:31:39,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:31:39,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:31:39,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:31:39,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:31:39,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:31:39,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-22 15:31:39,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:31:39,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:31:39,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:31:39,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:31:39,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:31:39,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:31:39,830 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:31:39,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:31:39,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:31:39,832 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 15:31:39,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:31:39,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:31:39,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:31:39,834 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 15:31:39,834 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 15:31:39,835 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 15:31:39,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:31:39,835 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 15:31:39,835 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 15:31:39,836 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 15:31:39,836 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:31:39,836 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:31:39,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:31:39,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:31:39,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:31:39,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:31:39,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:31:39,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:31:39,838 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 15:31:39,838 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 15:31:39,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:31:39,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 15:31:39,840 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_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d [2021-11-22 15:31:40,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:31:40,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:31:40,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:31:40,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:31:40,363 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:31:40,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2021-11-22 15:31:40,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/data/b82d5ae36/a3369704957a4a168256f76d40075332/FLAG009f0f434 [2021-11-22 15:31:41,260 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:31:41,261 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2021-11-22 15:31:41,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/data/b82d5ae36/a3369704957a4a168256f76d40075332/FLAG009f0f434 [2021-11-22 15:31:41,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/data/b82d5ae36/a3369704957a4a168256f76d40075332 [2021-11-22 15:31:41,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:31:41,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:31:41,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:31:41,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:31:41,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:31:41,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:31:41" (1/1) ... [2021-11-22 15:31:41,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733996d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:41, skipping insertion in model container [2021-11-22 15:31:41,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:31:41" (1/1) ... [2021-11-22 15:31:41,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:31:41,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:31:42,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2021-11-22 15:31:42,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2021-11-22 15:31:42,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:31:42,492 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-22 15:31:42,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:31:42,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2021-11-22 15:31:42,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2021-11-22 15:31:42,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:31:42,631 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:31:42,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2021-11-22 15:31:42,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2021-11-22 15:31:42,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:31:42,864 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:31:42,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:42 WrapperNode [2021-11-22 15:31:42,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:31:42,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:31:42,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:31:42,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:31:42,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:42" (1/1) ... [2021-11-22 15:31:42,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:42" (1/1) ... [2021-11-22 15:31:43,091 INFO L137 Inliner]: procedures = 211, calls = 286, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 1084 [2021-11-22 15:31:43,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:31:43,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:31:43,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:31:43,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:31:43,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:42" (1/1) ... [2021-11-22 15:31:43,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:42" (1/1) ... [2021-11-22 15:31:43,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:42" (1/1) ... [2021-11-22 15:31:43,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:42" (1/1) ... [2021-11-22 15:31:43,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:42" (1/1) ... [2021-11-22 15:31:43,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:42" (1/1) ... [2021-11-22 15:31:43,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:42" (1/1) ... [2021-11-22 15:31:43,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:31:43,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:31:43,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:31:43,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:31:43,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:42" (1/1) ... [2021-11-22 15:31:43,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:31:43,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:31:43,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:31:43,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:31:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-22 15:31:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 15:31:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:31:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 15:31:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:31:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:31:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 15:31:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 15:31:43,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:31:43,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:31:43,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:31:43,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:31:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:31:43,675 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:31:43,677 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:31:50,224 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:31:50,243 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:31:50,243 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-22 15:31:50,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:31:50 BoogieIcfgContainer [2021-11-22 15:31:50,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:31:50,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:31:50,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:31:50,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:31:50,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:31:41" (1/3) ... [2021-11-22 15:31:50,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c73c765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:31:50, skipping insertion in model container [2021-11-22 15:31:50,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:42" (2/3) ... [2021-11-22 15:31:50,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c73c765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:31:50, skipping insertion in model container [2021-11-22 15:31:50,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:31:50" (3/3) ... [2021-11-22 15:31:50,258 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test2-2.i [2021-11-22 15:31:50,265 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:31:50,266 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 540 error locations. [2021-11-22 15:31:50,323 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:31:50,332 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 [2021-11-22 15:31:50,332 INFO L340 AbstractCegarLoop]: Starting to check reachability of 540 error locations. [2021-11-22 15:31:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 1094 states, 553 states have (on average 2.2242314647377937) internal successors, (1230), 1093 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 15:31:50,409 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:50,410 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-22 15:31:50,411 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:31:50,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:50,418 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-11-22 15:31:50,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:31:50,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694108650] [2021-11-22 15:31:50,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:50,433 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:31:50,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:31:50,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:31:50,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-22 15:31:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:31:50,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:31:50,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:31:50,756 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 [2021-11-22 15:31:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:31:50,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:31:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:31:50,815 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:31:50,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694108650] [2021-11-22 15:31:50,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694108650] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:50,817 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:50,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-22 15:31:50,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188291371] [2021-11-22 15:31:50,824 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:50,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:31:50,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:31:50,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:31:50,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:31:50,892 INFO L87 Difference]: Start difference. First operand has 1094 states, 553 states have (on average 2.2242314647377937) internal successors, (1230), 1093 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:53,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:31:53,511 INFO L93 Difference]: Finished difference Result 1258 states and 1330 transitions. [2021-11-22 15:31:53,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:31:53,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-22 15:31:53,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:31:53,547 INFO L225 Difference]: With dead ends: 1258 [2021-11-22 15:31:53,548 INFO L226 Difference]: Without dead ends: 1256 [2021-11-22 15:31:53,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:31:53,554 INFO L933 BasicCegarLoop]: 659 mSDtfsCounter, 1030 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-22 15:31:53,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1030 Valid, 799 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-22 15:31:53,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2021-11-22 15:31:53,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1078. [2021-11-22 15:31:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 553 states have (on average 2.065099457504521) internal successors, (1142), 1077 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1142 transitions. [2021-11-22 15:31:53,672 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1142 transitions. Word has length 3 [2021-11-22 15:31:53,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:31:53,672 INFO L470 AbstractCegarLoop]: Abstraction has 1078 states and 1142 transitions. [2021-11-22 15:31:53,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:53,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1142 transitions. [2021-11-22 15:31:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 15:31:53,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:53,674 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-22 15:31:53,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:31:53,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:31:53,888 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:31:53,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:53,889 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-22 15:31:53,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:31:53,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105084137] [2021-11-22 15:31:53,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:53,891 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:31:53,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:31:53,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:31:53,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-22 15:31:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:31:54,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:31:54,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:31:54,066 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 [2021-11-22 15:31:54,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:31:54,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:31:54,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:31:54,143 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:31:54,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105084137] [2021-11-22 15:31:54,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105084137] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:54,144 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:54,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-22 15:31:54,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111088486] [2021-11-22 15:31:54,145 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:54,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:31:54,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:31:54,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:31:54,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:31:54,148 INFO L87 Difference]: Start difference. First operand 1078 states and 1142 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:00,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:00,064 INFO L93 Difference]: Finished difference Result 1586 states and 1690 transitions. [2021-11-22 15:32:00,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:00,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-22 15:32:00,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:00,075 INFO L225 Difference]: With dead ends: 1586 [2021-11-22 15:32:00,075 INFO L226 Difference]: Without dead ends: 1586 [2021-11-22 15:32:00,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:00,078 INFO L933 BasicCegarLoop]: 805 mSDtfsCounter, 1227 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 1628 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:00,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1227 Valid, 1628 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-11-22 15:32:00,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2021-11-22 15:32:00,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1113. [2021-11-22 15:32:00,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 597 states have (on average 2.0452261306532664) internal successors, (1221), 1112 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1221 transitions. [2021-11-22 15:32:00,123 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1221 transitions. Word has length 3 [2021-11-22 15:32:00,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:00,124 INFO L470 AbstractCegarLoop]: Abstraction has 1113 states and 1221 transitions. [2021-11-22 15:32:00,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:00,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1221 transitions. [2021-11-22 15:32:00,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 15:32:00,142 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:00,142 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:00,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:00,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:00,361 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:00,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:00,363 INFO L85 PathProgramCache]: Analyzing trace with hash 62249618, now seen corresponding path program 1 times [2021-11-22 15:32:00,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:00,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721807651] [2021-11-22 15:32:00,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:00,365 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:00,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:00,371 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:00,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-22 15:32:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:00,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:32:00,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:00,580 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 [2021-11-22 15:32:00,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:00,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:00,637 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:00,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721807651] [2021-11-22 15:32:00,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721807651] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:00,638 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:00,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-22 15:32:00,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759885471] [2021-11-22 15:32:00,639 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:00,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:00,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:00,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:00,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:00,641 INFO L87 Difference]: Start difference. First operand 1113 states and 1221 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:02,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:02,826 INFO L93 Difference]: Finished difference Result 1305 states and 1435 transitions. [2021-11-22 15:32:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:02,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-22 15:32:02,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:02,836 INFO L225 Difference]: With dead ends: 1305 [2021-11-22 15:32:02,837 INFO L226 Difference]: Without dead ends: 1305 [2021-11-22 15:32:02,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:02,839 INFO L933 BasicCegarLoop]: 921 mSDtfsCounter, 851 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:02,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [851 Valid, 1200 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-22 15:32:02,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2021-11-22 15:32:02,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1066. [2021-11-22 15:32:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 597 states have (on average 1.9614740368509214) internal successors, (1171), 1065 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1171 transitions. [2021-11-22 15:32:02,875 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1171 transitions. Word has length 8 [2021-11-22 15:32:02,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:02,875 INFO L470 AbstractCegarLoop]: Abstraction has 1066 states and 1171 transitions. [2021-11-22 15:32:02,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1171 transitions. [2021-11-22 15:32:02,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 15:32:02,876 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:02,877 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:02,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:03,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:03,090 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:03,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:03,091 INFO L85 PathProgramCache]: Analyzing trace with hash 62249619, now seen corresponding path program 1 times [2021-11-22 15:32:03,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:03,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899513697] [2021-11-22 15:32:03,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:03,093 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:03,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:03,095 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:03,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-22 15:32:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:03,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:32:03,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:03,273 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 [2021-11-22 15:32:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:03,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:03,412 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:03,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899513697] [2021-11-22 15:32:03,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899513697] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:03,412 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:03,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-22 15:32:03,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632426635] [2021-11-22 15:32:03,413 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:03,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:32:03,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:03,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:32:03,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:03,414 INFO L87 Difference]: Start difference. First operand 1066 states and 1171 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:08,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:08,064 INFO L93 Difference]: Finished difference Result 1335 states and 1429 transitions. [2021-11-22 15:32:08,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:08,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-22 15:32:08,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:08,074 INFO L225 Difference]: With dead ends: 1335 [2021-11-22 15:32:08,074 INFO L226 Difference]: Without dead ends: 1335 [2021-11-22 15:32:08,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:08,076 INFO L933 BasicCegarLoop]: 1086 mSDtfsCounter, 1087 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:08,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1087 Valid, 1537 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-22 15:32:08,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2021-11-22 15:32:08,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1056. [2021-11-22 15:32:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 597 states have (on average 1.9396984924623115) internal successors, (1158), 1055 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1158 transitions. [2021-11-22 15:32:08,109 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1158 transitions. Word has length 8 [2021-11-22 15:32:08,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:08,110 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1158 transitions. [2021-11-22 15:32:08,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1158 transitions. [2021-11-22 15:32:08,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 15:32:08,111 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:08,112 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:08,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:08,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:08,325 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr434REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:08,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:08,326 INFO L85 PathProgramCache]: Analyzing trace with hash -945751174, now seen corresponding path program 1 times [2021-11-22 15:32:08,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:08,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375716144] [2021-11-22 15:32:08,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:08,327 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:08,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:08,328 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:08,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-22 15:32:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:08,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:32:08,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:08,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:08,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:08,673 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:08,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375716144] [2021-11-22 15:32:08,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [375716144] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:08,674 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:08,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 15:32:08,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252197741] [2021-11-22 15:32:08,675 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:08,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:08,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:08,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:08,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:08,677 INFO L87 Difference]: Start difference. First operand 1056 states and 1158 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:09,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:09,107 INFO L93 Difference]: Finished difference Result 1544 states and 1685 transitions. [2021-11-22 15:32:09,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:09,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-22 15:32:09,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:09,119 INFO L225 Difference]: With dead ends: 1544 [2021-11-22 15:32:09,119 INFO L226 Difference]: Without dead ends: 1544 [2021-11-22 15:32:09,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:09,122 INFO L933 BasicCegarLoop]: 1137 mSDtfsCounter, 600 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 2047 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:09,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [600 Valid, 2047 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 15:32:09,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2021-11-22 15:32:09,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1241. [2021-11-22 15:32:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 782 states have (on average 1.8861892583120206) internal successors, (1475), 1240 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1475 transitions. [2021-11-22 15:32:09,163 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1475 transitions. Word has length 11 [2021-11-22 15:32:09,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:09,164 INFO L470 AbstractCegarLoop]: Abstraction has 1241 states and 1475 transitions. [2021-11-22 15:32:09,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1475 transitions. [2021-11-22 15:32:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 15:32:09,166 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:09,166 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:09,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:09,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:09,380 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr340REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:09,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:09,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1258779124, now seen corresponding path program 1 times [2021-11-22 15:32:09,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:09,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913295892] [2021-11-22 15:32:09,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:09,383 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:09,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:09,384 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:09,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-22 15:32:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:09,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:32:09,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:09,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:09,608 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:09,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913295892] [2021-11-22 15:32:09,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913295892] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:09,609 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:09,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-22 15:32:09,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306868888] [2021-11-22 15:32:09,609 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:09,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:32:09,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:09,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:32:09,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:09,611 INFO L87 Difference]: Start difference. First operand 1241 states and 1475 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:09,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:09,662 INFO L93 Difference]: Finished difference Result 1395 states and 1615 transitions. [2021-11-22 15:32:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:09,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-22 15:32:09,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:09,672 INFO L225 Difference]: With dead ends: 1395 [2021-11-22 15:32:09,673 INFO L226 Difference]: Without dead ends: 1395 [2021-11-22 15:32:09,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:09,674 INFO L933 BasicCegarLoop]: 1233 mSDtfsCounter, 424 mSDsluCounter, 1636 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 2869 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:09,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [424 Valid, 2869 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:32:09,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2021-11-22 15:32:09,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1181. [2021-11-22 15:32:09,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 746 states have (on average 1.8619302949061662) internal successors, (1389), 1180 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:09,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 1389 transitions. [2021-11-22 15:32:09,710 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 1389 transitions. Word has length 13 [2021-11-22 15:32:09,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:09,710 INFO L470 AbstractCegarLoop]: Abstraction has 1181 states and 1389 transitions. [2021-11-22 15:32:09,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1389 transitions. [2021-11-22 15:32:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 15:32:09,712 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:09,712 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:09,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:09,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:09,926 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr539ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:09,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:09,927 INFO L85 PathProgramCache]: Analyzing trace with hash 119428585, now seen corresponding path program 1 times [2021-11-22 15:32:09,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:09,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016495295] [2021-11-22 15:32:09,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:09,927 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:09,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:09,928 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:09,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-22 15:32:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:10,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:32:10,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:10,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:32:10,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:32:10,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:32:10,182 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-22 15:32:10,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 30 treesize of output 36 [2021-11-22 15:32:10,266 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-22 15:32:10,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 23 [2021-11-22 15:32:10,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:10,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:10,382 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:10,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016495295] [2021-11-22 15:32:10,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016495295] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:10,383 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:10,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-22 15:32:10,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026160092] [2021-11-22 15:32:10,383 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:10,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:32:10,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:10,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:32:10,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:32:10,385 INFO L87 Difference]: Start difference. First operand 1181 states and 1389 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:12,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:12,036 INFO L93 Difference]: Finished difference Result 1538 states and 1792 transitions. [2021-11-22 15:32:12,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:12,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-22 15:32:12,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:12,045 INFO L225 Difference]: With dead ends: 1538 [2021-11-22 15:32:12,046 INFO L226 Difference]: Without dead ends: 1538 [2021-11-22 15:32:12,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:32:12,047 INFO L933 BasicCegarLoop]: 990 mSDtfsCounter, 724 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 2859 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:12,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [724 Valid, 2859 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-22 15:32:12,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2021-11-22 15:32:12,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1180. [2021-11-22 15:32:12,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 745 states have (on average 1.861744966442953) internal successors, (1387), 1179 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1387 transitions. [2021-11-22 15:32:12,081 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1387 transitions. Word has length 14 [2021-11-22 15:32:12,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:12,081 INFO L470 AbstractCegarLoop]: Abstraction has 1180 states and 1387 transitions. [2021-11-22 15:32:12,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1387 transitions. [2021-11-22 15:32:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 15:32:12,083 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:12,083 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:12,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:12,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:12,298 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:12,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:12,299 INFO L85 PathProgramCache]: Analyzing trace with hash -520774338, now seen corresponding path program 1 times [2021-11-22 15:32:12,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:12,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373647570] [2021-11-22 15:32:12,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:12,300 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:12,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:12,301 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:12,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-22 15:32:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:12,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:32:12,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:12,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:12,579 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:12,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373647570] [2021-11-22 15:32:12,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1373647570] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:12,580 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:12,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-22 15:32:12,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668508598] [2021-11-22 15:32:12,580 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:12,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:32:12,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:12,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:32:12,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:12,581 INFO L87 Difference]: Start difference. First operand 1180 states and 1387 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:12,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:12,628 INFO L93 Difference]: Finished difference Result 1120 states and 1301 transitions. [2021-11-22 15:32:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:12,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-22 15:32:12,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:12,635 INFO L225 Difference]: With dead ends: 1120 [2021-11-22 15:32:12,635 INFO L226 Difference]: Without dead ends: 1120 [2021-11-22 15:32:12,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:12,637 INFO L933 BasicCegarLoop]: 985 mSDtfsCounter, 980 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:12,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [980 Valid, 1013 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:32:12,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2021-11-22 15:32:12,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2021-11-22 15:32:12,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 709 states have (on average 1.834978843441467) internal successors, (1301), 1119 states have internal predecessors, (1301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1301 transitions. [2021-11-22 15:32:12,664 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1301 transitions. Word has length 18 [2021-11-22 15:32:12,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:12,665 INFO L470 AbstractCegarLoop]: Abstraction has 1120 states and 1301 transitions. [2021-11-22 15:32:12,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:12,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1301 transitions. [2021-11-22 15:32:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 15:32:12,667 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:12,667 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:12,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:12,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:12,889 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:12,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:12,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2047030904, now seen corresponding path program 1 times [2021-11-22 15:32:12,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:12,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071048696] [2021-11-22 15:32:12,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:12,890 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:12,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:12,893 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:12,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-22 15:32:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:13,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:32:13,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:13,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:13,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:13,177 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:13,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1071048696] [2021-11-22 15:32:13,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1071048696] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:13,177 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:13,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-22 15:32:13,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374687284] [2021-11-22 15:32:13,178 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:13,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:32:13,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:13,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:32:13,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:32:13,179 INFO L87 Difference]: Start difference. First operand 1120 states and 1301 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:13,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:13,279 INFO L93 Difference]: Finished difference Result 1092 states and 1245 transitions. [2021-11-22 15:32:13,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:13,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-22 15:32:13,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:13,287 INFO L225 Difference]: With dead ends: 1092 [2021-11-22 15:32:13,287 INFO L226 Difference]: Without dead ends: 1092 [2021-11-22 15:32:13,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:32:13,291 INFO L933 BasicCegarLoop]: 940 mSDtfsCounter, 1892 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1892 SdHoareTripleChecker+Valid, 1887 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:13,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1892 Valid, 1887 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:32:13,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2021-11-22 15:32:13,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1090. [2021-11-22 15:32:13,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 693 states have (on average 1.7936507936507937) internal successors, (1243), 1089 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1243 transitions. [2021-11-22 15:32:13,320 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1243 transitions. Word has length 20 [2021-11-22 15:32:13,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:13,321 INFO L470 AbstractCegarLoop]: Abstraction has 1090 states and 1243 transitions. [2021-11-22 15:32:13,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:13,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1243 transitions. [2021-11-22 15:32:13,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 15:32:13,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:13,324 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:13,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-11-22 15:32:13,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:13,537 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:13,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:13,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1406589690, now seen corresponding path program 1 times [2021-11-22 15:32:13,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:13,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956442077] [2021-11-22 15:32:13,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:13,538 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:13,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:13,539 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:13,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-22 15:32:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:13,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:32:13,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:13,715 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 [2021-11-22 15:32:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:13,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:13,990 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:13,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956442077] [2021-11-22 15:32:13,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956442077] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:13,991 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:13,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 15:32:13,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189820037] [2021-11-22 15:32:13,991 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:13,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:32:13,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:13,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:32:13,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:13,993 INFO L87 Difference]: Start difference. First operand 1090 states and 1243 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:16,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:16,274 INFO L93 Difference]: Finished difference Result 1563 states and 1795 transitions. [2021-11-22 15:32:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:32:16,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-22 15:32:16,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:16,285 INFO L225 Difference]: With dead ends: 1563 [2021-11-22 15:32:16,285 INFO L226 Difference]: Without dead ends: 1563 [2021-11-22 15:32:16,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:32:16,286 INFO L933 BasicCegarLoop]: 513 mSDtfsCounter, 1537 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:16,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1537 Valid, 1072 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 15:32:16,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2021-11-22 15:32:16,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1086. [2021-11-22 15:32:16,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 693 states have (on average 1.7821067821067822) internal successors, (1235), 1085 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:16,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1235 transitions. [2021-11-22 15:32:16,315 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1235 transitions. Word has length 34 [2021-11-22 15:32:16,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:16,316 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1235 transitions. [2021-11-22 15:32:16,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:16,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1235 transitions. [2021-11-22 15:32:16,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 15:32:16,317 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:16,318 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:16,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:16,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:16,547 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:16,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:16,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1406589689, now seen corresponding path program 1 times [2021-11-22 15:32:16,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:16,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734709863] [2021-11-22 15:32:16,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:16,548 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:16,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:16,549 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:16,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-22 15:32:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:16,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:32:16,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:16,730 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 [2021-11-22 15:32:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:17,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:17,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:17,604 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:17,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734709863] [2021-11-22 15:32:17,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734709863] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:17,605 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:17,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-22 15:32:17,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179457200] [2021-11-22 15:32:17,605 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:17,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:32:17,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:17,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:32:17,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:32:17,607 INFO L87 Difference]: Start difference. First operand 1086 states and 1235 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:25,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:25,908 INFO L93 Difference]: Finished difference Result 1617 states and 1812 transitions. [2021-11-22 15:32:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 15:32:25,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-22 15:32:25,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:25,918 INFO L225 Difference]: With dead ends: 1617 [2021-11-22 15:32:25,918 INFO L226 Difference]: Without dead ends: 1617 [2021-11-22 15:32:25,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:32:25,920 INFO L933 BasicCegarLoop]: 1186 mSDtfsCounter, 1447 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 2604 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:25,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1447 Valid, 2604 Invalid, 1610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2021-11-22 15:32:25,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2021-11-22 15:32:25,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1082. [2021-11-22 15:32:25,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 693 states have (on average 1.7705627705627707) internal successors, (1227), 1081 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1227 transitions. [2021-11-22 15:32:25,945 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1227 transitions. Word has length 34 [2021-11-22 15:32:25,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:25,945 INFO L470 AbstractCegarLoop]: Abstraction has 1082 states and 1227 transitions. [2021-11-22 15:32:25,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:25,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1227 transitions. [2021-11-22 15:32:25,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 15:32:25,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:25,948 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:25,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:26,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:26,161 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:26,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:26,161 INFO L85 PathProgramCache]: Analyzing trace with hash -489765179, now seen corresponding path program 1 times [2021-11-22 15:32:26,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:26,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686653359] [2021-11-22 15:32:26,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:26,163 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:26,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:26,164 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:26,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-22 15:32:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:26,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:32:26,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:26,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:26,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:26,666 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:26,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686653359] [2021-11-22 15:32:26,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686653359] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:26,667 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:26,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-22 15:32:26,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231458422] [2021-11-22 15:32:26,667 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:26,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:32:26,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:26,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:32:26,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:26,669 INFO L87 Difference]: Start difference. First operand 1082 states and 1227 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:26,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:26,741 INFO L93 Difference]: Finished difference Result 1070 states and 1207 transitions. [2021-11-22 15:32:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:26,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-22 15:32:26,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:26,749 INFO L225 Difference]: With dead ends: 1070 [2021-11-22 15:32:26,750 INFO L226 Difference]: Without dead ends: 1070 [2021-11-22 15:32:26,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:32:26,751 INFO L933 BasicCegarLoop]: 934 mSDtfsCounter, 927 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:26,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [927 Valid, 1865 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:32:26,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-11-22 15:32:26,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2021-11-22 15:32:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 681 states have (on average 1.7723935389133627) internal successors, (1207), 1069 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:26,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1207 transitions. [2021-11-22 15:32:26,776 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1207 transitions. Word has length 52 [2021-11-22 15:32:26,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:26,776 INFO L470 AbstractCegarLoop]: Abstraction has 1070 states and 1207 transitions. [2021-11-22 15:32:26,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1207 transitions. [2021-11-22 15:32:26,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 15:32:26,778 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:26,778 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:26,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:26,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:26,994 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:26,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:26,995 INFO L85 PathProgramCache]: Analyzing trace with hash -531678063, now seen corresponding path program 1 times [2021-11-22 15:32:26,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:26,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151205750] [2021-11-22 15:32:26,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:26,996 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:26,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:26,999 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:27,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-22 15:32:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:27,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 15:32:27,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:27,392 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 [2021-11-22 15:32:27,400 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 [2021-11-22 15:32:28,174 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-22 15:32:28,175 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 26 treesize of output 28 [2021-11-22 15:32:28,197 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:32:28,198 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 25 treesize of output 21 [2021-11-22 15:32:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:28,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:33,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:33,858 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:33,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151205750] [2021-11-22 15:32:33,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [151205750] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:33,858 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:33,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-22 15:32:33,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096910932] [2021-11-22 15:32:33,859 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:33,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:32:33,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:33,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:32:33,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-22 15:32:33,861 INFO L87 Difference]: Start difference. First operand 1070 states and 1207 transitions. Second operand has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:34,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:34,918 INFO L93 Difference]: Finished difference Result 1384 states and 1561 transitions. [2021-11-22 15:32:34,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:34,919 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-22 15:32:34,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:34,927 INFO L225 Difference]: With dead ends: 1384 [2021-11-22 15:32:34,928 INFO L226 Difference]: Without dead ends: 1384 [2021-11-22 15:32:34,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-22 15:32:34,929 INFO L933 BasicCegarLoop]: 1030 mSDtfsCounter, 709 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 1746 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 783 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:34,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [709 Valid, 1746 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 204 Invalid, 0 Unknown, 783 Unchecked, 1.0s Time] [2021-11-22 15:32:34,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2021-11-22 15:32:34,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1069. [2021-11-22 15:32:34,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 681 states have (on average 1.7709251101321586) internal successors, (1206), 1068 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1206 transitions. [2021-11-22 15:32:34,955 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1206 transitions. Word has length 60 [2021-11-22 15:32:34,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:34,955 INFO L470 AbstractCegarLoop]: Abstraction has 1069 states and 1206 transitions. [2021-11-22 15:32:34,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1206 transitions. [2021-11-22 15:32:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 15:32:34,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:34,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:34,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:35,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:35,183 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr73REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:35,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:35,183 INFO L85 PathProgramCache]: Analyzing trace with hash 158497042, now seen corresponding path program 1 times [2021-11-22 15:32:35,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:35,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963147910] [2021-11-22 15:32:35,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:35,184 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:35,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:35,186 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:35,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-22 15:32:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:35,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:32:35,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:35,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:35,709 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 8 treesize of output 6 [2021-11-22 15:32:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:36,023 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:36,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963147910] [2021-11-22 15:32:36,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963147910] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:36,023 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:36,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-22 15:32:36,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063351921] [2021-11-22 15:32:36,023 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:36,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:32:36,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:36,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:32:36,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:32:36,025 INFO L87 Difference]: Start difference. First operand 1069 states and 1206 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:38,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:38,812 INFO L93 Difference]: Finished difference Result 1036 states and 1173 transitions. [2021-11-22 15:32:38,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:38,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-22 15:32:38,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:38,818 INFO L225 Difference]: With dead ends: 1036 [2021-11-22 15:32:38,818 INFO L226 Difference]: Without dead ends: 1036 [2021-11-22 15:32:38,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:32:38,819 INFO L933 BasicCegarLoop]: 602 mSDtfsCounter, 687 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:38,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 1226 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-22 15:32:38,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2021-11-22 15:32:38,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1036. [2021-11-22 15:32:38,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 681 states have (on average 1.722466960352423) internal successors, (1173), 1035 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1173 transitions. [2021-11-22 15:32:38,839 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1173 transitions. Word has length 62 [2021-11-22 15:32:38,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:38,839 INFO L470 AbstractCegarLoop]: Abstraction has 1036 states and 1173 transitions. [2021-11-22 15:32:38,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:38,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1173 transitions. [2021-11-22 15:32:38,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 15:32:38,841 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:38,841 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:38,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-22 15:32:39,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:39,064 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:39,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:39,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1426362414, now seen corresponding path program 1 times [2021-11-22 15:32:39,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:39,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970413692] [2021-11-22 15:32:39,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:39,066 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:39,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:39,066 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:39,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-22 15:32:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:39,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:32:39,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:39,367 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 [2021-11-22 15:32:39,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 treesize of output 18 [2021-11-22 15:32:39,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 13 [2021-11-22 15:32:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:39,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:39,609 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:39,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970413692] [2021-11-22 15:32:39,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970413692] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:39,610 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:39,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-22 15:32:39,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660742435] [2021-11-22 15:32:39,610 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:39,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:32:39,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:39,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:32:39,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:32:39,613 INFO L87 Difference]: Start difference. First operand 1036 states and 1173 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:44,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:44,829 INFO L93 Difference]: Finished difference Result 1708 states and 1933 transitions. [2021-11-22 15:32:44,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-22 15:32:44,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-22 15:32:44,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:44,837 INFO L225 Difference]: With dead ends: 1708 [2021-11-22 15:32:44,837 INFO L226 Difference]: Without dead ends: 1708 [2021-11-22 15:32:44,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 122 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-22 15:32:44,838 INFO L933 BasicCegarLoop]: 594 mSDtfsCounter, 833 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 2532 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:44,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [833 Valid, 2532 Invalid, 2040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-22 15:32:44,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2021-11-22 15:32:44,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1035. [2021-11-22 15:32:44,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 681 states have (on average 1.7209985315712188) internal successors, (1172), 1034 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1172 transitions. [2021-11-22 15:32:44,860 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1172 transitions. Word has length 66 [2021-11-22 15:32:44,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:44,861 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1172 transitions. [2021-11-22 15:32:44,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1172 transitions. [2021-11-22 15:32:44,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 15:32:44,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:44,862 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:44,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:45,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:45,078 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:32:45,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:45,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1267561538, now seen corresponding path program 1 times [2021-11-22 15:32:45,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:45,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984909562] [2021-11-22 15:32:45,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:45,079 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:45,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:45,080 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:45,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-22 15:32:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:45,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 15:32:45,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:45,435 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 [2021-11-22 15:32:45,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 15 [2021-11-22 15:32:45,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2021-11-22 15:32:45,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 27 [2021-11-22 15:32:45,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 12 [2021-11-22 15:32:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:45,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:46,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:46,130 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:46,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984909562] [2021-11-22 15:32:46,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1984909562] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:46,131 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:46,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-22 15:32:46,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124082118] [2021-11-22 15:32:46,131 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:46,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 15:32:46,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:46,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 15:32:46,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-22 15:32:46,133 INFO L87 Difference]: Start difference. First operand 1035 states and 1172 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:03,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:33:03,922 INFO L93 Difference]: Finished difference Result 1557 states and 1745 transitions. [2021-11-22 15:33:03,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-22 15:33:03,923 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-22 15:33:03,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:33:03,931 INFO L225 Difference]: With dead ends: 1557 [2021-11-22 15:33:03,932 INFO L226 Difference]: Without dead ends: 1557 [2021-11-22 15:33:03,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-11-22 15:33:03,933 INFO L933 BasicCegarLoop]: 550 mSDtfsCounter, 780 mSDsluCounter, 3731 mSDsCounter, 0 mSdLazyCounter, 3527 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 4281 SdHoareTripleChecker+Invalid, 3536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2021-11-22 15:33:03,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [780 Valid, 4281 Invalid, 3536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 3527 Invalid, 0 Unknown, 0 Unchecked, 17.5s Time] [2021-11-22 15:33:03,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2021-11-22 15:33:03,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1034. [2021-11-22 15:33:03,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 681 states have (on average 1.7195301027900147) internal successors, (1171), 1033 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:03,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1171 transitions. [2021-11-22 15:33:03,956 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1171 transitions. Word has length 67 [2021-11-22 15:33:03,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:33:03,957 INFO L470 AbstractCegarLoop]: Abstraction has 1034 states and 1171 transitions. [2021-11-22 15:33:03,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:03,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1171 transitions. [2021-11-22 15:33:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 15:33:03,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:33:03,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:33:03,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-11-22 15:33:04,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:33:04,187 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:33:04,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:33:04,187 INFO L85 PathProgramCache]: Analyzing trace with hash -582276570, now seen corresponding path program 1 times [2021-11-22 15:33:04,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:33:04,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470664432] [2021-11-22 15:33:04,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:33:04,188 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:33:04,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:33:04,189 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:33:04,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-22 15:33:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:33:04,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:33:04,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:33:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:33:04,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:33:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:33:04,660 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:33:04,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470664432] [2021-11-22 15:33:04,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470664432] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:33:04,660 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:33:04,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-22 15:33:04,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119073983] [2021-11-22 15:33:04,661 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:33:04,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:33:04,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:33:04,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:33:04,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:33:04,662 INFO L87 Difference]: Start difference. First operand 1034 states and 1171 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:04,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:33:04,803 INFO L93 Difference]: Finished difference Result 1916 states and 2150 transitions. [2021-11-22 15:33:04,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 15:33:04,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-22 15:33:04,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:33:04,815 INFO L225 Difference]: With dead ends: 1916 [2021-11-22 15:33:04,815 INFO L226 Difference]: Without dead ends: 1916 [2021-11-22 15:33:04,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:33:04,817 INFO L933 BasicCegarLoop]: 1157 mSDtfsCounter, 889 mSDsluCounter, 2869 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 4026 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:33:04,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [889 Valid, 4026 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:33:04,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2021-11-22 15:33:04,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1037. [2021-11-22 15:33:04,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 684 states have (on average 1.7163742690058479) internal successors, (1174), 1036 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1174 transitions. [2021-11-22 15:33:04,842 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1174 transitions. Word has length 71 [2021-11-22 15:33:04,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:33:04,842 INFO L470 AbstractCegarLoop]: Abstraction has 1037 states and 1174 transitions. [2021-11-22 15:33:04,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1174 transitions. [2021-11-22 15:33:04,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 15:33:04,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:33:04,843 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:33:04,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-22 15:33:05,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:33:05,044 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:33:05,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:33:05,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1283072730, now seen corresponding path program 1 times [2021-11-22 15:33:05,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:33:05,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [712093805] [2021-11-22 15:33:05,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:33:05,046 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:33:05,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:33:05,046 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:33:05,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-22 15:33:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:33:05,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:33:05,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:33:05,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:33:05,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:33:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:33:05,751 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:33:05,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [712093805] [2021-11-22 15:33:05,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [712093805] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:33:05,751 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:33:05,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-22 15:33:05,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549775390] [2021-11-22 15:33:05,752 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 15:33:05,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 15:33:05,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:33:05,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 15:33:05,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-22 15:33:05,753 INFO L87 Difference]: Start difference. First operand 1037 states and 1174 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:06,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:33:06,285 INFO L93 Difference]: Finished difference Result 1723 states and 1947 transitions. [2021-11-22 15:33:06,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-22 15:33:06,286 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-11-22 15:33:06,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:33:06,294 INFO L225 Difference]: With dead ends: 1723 [2021-11-22 15:33:06,294 INFO L226 Difference]: Without dead ends: 1723 [2021-11-22 15:33:06,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2021-11-22 15:33:06,296 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 731 mSDsluCounter, 4321 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 5277 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:33:06,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [731 Valid, 5277 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:33:06,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2021-11-22 15:33:06,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1043. [2021-11-22 15:33:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 690 states have (on average 1.710144927536232) internal successors, (1180), 1042 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1180 transitions. [2021-11-22 15:33:06,314 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1180 transitions. Word has length 73 [2021-11-22 15:33:06,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:33:06,315 INFO L470 AbstractCegarLoop]: Abstraction has 1043 states and 1180 transitions. [2021-11-22 15:33:06,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:06,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1180 transitions. [2021-11-22 15:33:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 15:33:06,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:33:06,315 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:33:06,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-22 15:33:06,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:33:06,516 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:33:06,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:33:06,517 INFO L85 PathProgramCache]: Analyzing trace with hash -376896730, now seen corresponding path program 2 times [2021-11-22 15:33:06,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:33:06,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473452140] [2021-11-22 15:33:06,517 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 15:33:06,517 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:33:06,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:33:06,518 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:33:06,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-22 15:33:06,975 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 15:33:06,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 15:33:06,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 15:33:07,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:33:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:33:07,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:33:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:33:07,788 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:33:07,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473452140] [2021-11-22 15:33:07,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473452140] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:33:07,788 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:33:07,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-11-22 15:33:07,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608267002] [2021-11-22 15:33:07,788 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 15:33:07,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-22 15:33:07,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:33:07,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-22 15:33:07,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-22 15:33:07,790 INFO L87 Difference]: Start difference. First operand 1043 states and 1180 transitions. Second operand has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:10,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:33:10,430 INFO L93 Difference]: Finished difference Result 1735 states and 1959 transitions. [2021-11-22 15:33:10,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-22 15:33:10,431 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-22 15:33:10,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:33:10,438 INFO L225 Difference]: With dead ends: 1735 [2021-11-22 15:33:10,438 INFO L226 Difference]: Without dead ends: 1735 [2021-11-22 15:33:10,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=370, Invalid=622, Unknown=0, NotChecked=0, Total=992 [2021-11-22 15:33:10,439 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 687 mSDsluCounter, 9328 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 10284 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-22 15:33:10,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 10284 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-22 15:33:10,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2021-11-22 15:33:10,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1055. [2021-11-22 15:33:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 702 states have (on average 1.6980056980056981) internal successors, (1192), 1054 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1192 transitions. [2021-11-22 15:33:10,457 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1192 transitions. Word has length 77 [2021-11-22 15:33:10,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:33:10,458 INFO L470 AbstractCegarLoop]: Abstraction has 1055 states and 1192 transitions. [2021-11-22 15:33:10,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1192 transitions. [2021-11-22 15:33:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 15:33:10,459 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:33:10,460 INFO L514 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:33:10,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-22 15:33:10,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:33:10,664 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:33:10,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:33:10,665 INFO L85 PathProgramCache]: Analyzing trace with hash 688279334, now seen corresponding path program 3 times [2021-11-22 15:33:10,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:33:10,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038397882] [2021-11-22 15:33:10,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 15:33:10,666 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:33:10,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:33:10,667 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:33:10,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-22 15:33:11,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-22 15:33:11,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 15:33:11,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 15:33:11,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:33:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:33:12,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:33:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:33:14,016 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:33:14,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038397882] [2021-11-22 15:33:14,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038397882] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:33:14,016 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:33:14,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2021-11-22 15:33:14,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850263706] [2021-11-22 15:33:14,017 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 15:33:14,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-22 15:33:14,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:33:14,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-22 15:33:14,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2021-11-22 15:33:14,020 INFO L87 Difference]: Start difference. First operand 1055 states and 1192 transitions. Second operand has 34 states, 34 states have (on average 3.0294117647058822) internal successors, (103), 34 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:29,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:33:29,443 INFO L93 Difference]: Finished difference Result 12787 states and 14421 transitions. [2021-11-22 15:33:29,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-22 15:33:29,445 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.0294117647058822) internal successors, (103), 34 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-22 15:33:29,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:33:29,474 INFO L225 Difference]: With dead ends: 12787 [2021-11-22 15:33:29,474 INFO L226 Difference]: Without dead ends: 12787 [2021-11-22 15:33:29,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=1674, Invalid=4332, Unknown=0, NotChecked=0, Total=6006 [2021-11-22 15:33:29,477 INFO L933 BasicCegarLoop]: 10997 mSDtfsCounter, 26121 mSDsluCounter, 153457 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26121 SdHoareTripleChecker+Valid, 164454 SdHoareTripleChecker+Invalid, 1758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:33:29,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26121 Valid, 164454 Invalid, 1758 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [194 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2021-11-22 15:33:29,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12787 states. [2021-11-22 15:33:29,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12787 to 1094. [2021-11-22 15:33:29,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 741 states have (on average 1.689608636977058) internal successors, (1252), 1093 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:29,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1252 transitions. [2021-11-22 15:33:29,555 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1252 transitions. Word has length 85 [2021-11-22 15:33:29,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:33:29,556 INFO L470 AbstractCegarLoop]: Abstraction has 1094 states and 1252 transitions. [2021-11-22 15:33:29,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.0294117647058822) internal successors, (103), 34 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:33:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1252 transitions. [2021-11-22 15:33:29,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 15:33:29,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:33:29,558 INFO L514 BasicCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:33:29,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-22 15:33:29,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:33:29,776 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:33:29,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:33:29,777 INFO L85 PathProgramCache]: Analyzing trace with hash -2300122, now seen corresponding path program 4 times [2021-11-22 15:33:29,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:33:29,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329172185] [2021-11-22 15:33:29,777 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-22 15:33:29,778 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:33:29,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:33:29,778 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:33:29,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-22 15:33:30,064 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-22 15:33:30,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 15:33:30,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-22 15:33:30,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:33:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:33:31,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:33:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:33:34,950 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:33:34,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329172185] [2021-11-22 15:33:34,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329172185] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:33:34,950 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:33:34,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2021-11-22 15:33:34,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38571036] [2021-11-22 15:33:34,951 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 15:33:34,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-11-22 15:33:34,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:33:34,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-11-22 15:33:34,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1000, Invalid=3290, Unknown=0, NotChecked=0, Total=4290 [2021-11-22 15:33:34,955 INFO L87 Difference]: Start difference. First operand 1094 states and 1252 transitions. Second operand has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:35:01,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:35:01,312 INFO L93 Difference]: Finished difference Result 1804 states and 2042 transitions. [2021-11-22 15:35:01,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-22 15:35:01,312 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-11-22 15:35:01,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:35:01,316 INFO L225 Difference]: With dead ends: 1804 [2021-11-22 15:35:01,316 INFO L226 Difference]: Without dead ends: 1804 [2021-11-22 15:35:01,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3304 ImplicationChecksByTransitivity, 30.5s TimeCoverageRelationStatistics Valid=3577, Invalid=8413, Unknown=0, NotChecked=0, Total=11990 [2021-11-22 15:35:01,321 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 731 mSDsluCounter, 31813 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 682 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 32769 SdHoareTripleChecker+Invalid, 1968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:35:01,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [731 Valid, 32769 Invalid, 1968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [682 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 59.8s Time] [2021-11-22 15:35:01,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2021-11-22 15:35:01,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1124. [2021-11-22 15:35:01,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 771 states have (on average 1.6536964980544746) internal successors, (1275), 1123 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:35:01,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1275 transitions. [2021-11-22 15:35:01,340 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1275 transitions. Word has length 101 [2021-11-22 15:35:01,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:35:01,340 INFO L470 AbstractCegarLoop]: Abstraction has 1124 states and 1275 transitions. [2021-11-22 15:35:01,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:35:01,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1275 transitions. [2021-11-22 15:35:01,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 15:35:01,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:35:01,342 INFO L514 BasicCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:35:01,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-22 15:35:01,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:35:01,557 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:35:01,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:35:01,558 INFO L85 PathProgramCache]: Analyzing trace with hash -146191322, now seen corresponding path program 5 times [2021-11-22 15:35:01,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:35:01,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193517006] [2021-11-22 15:35:01,559 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-22 15:35:01,559 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:35:01,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:35:01,560 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:35:01,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-22 15:35:02,539 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-11-22 15:35:02,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 15:35:02,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-22 15:35:02,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:35:02,582 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 [2021-11-22 15:35:02,795 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-22 15:35:02,795 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 16 treesize of output 16 [2021-11-22 15:35:02,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:35:02,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 19 [2021-11-22 15:35:02,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2021-11-22 15:35:03,119 INFO L354 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2021-11-22 15:35:03,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 68 treesize of output 67 [2021-11-22 15:35:03,143 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-22 15:35:03,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 64 treesize of output 51 [2021-11-22 15:35:04,013 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:04,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:04,063 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:04,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:04,175 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:04,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:04,204 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:04,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:04,735 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:04,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:04,784 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:04,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:06,252 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:06,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:06,278 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:06,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:07,694 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:07,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:07,724 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:07,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:07,851 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:07,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:10,755 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:10,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:10,864 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:10,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:12,028 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:12,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:12,160 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:12,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:12,186 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:12,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:12,298 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:12,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:12,331 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:12,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:13,293 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:13,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:14,756 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:14,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:16,024 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:16,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:16,051 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:16,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:19,665 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:19,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:19,700 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:19,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:19,859 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:19,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:22,662 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:22,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:22,769 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:22,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:23,411 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:23,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:25,170 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:25,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:26,652 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:26,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:26,766 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:26,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:26,802 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:26,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:26,946 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:26,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:26,979 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:26,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:27,093 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:27,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:27,117 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:27,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:27,222 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:27,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:27,245 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:27,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:27,342 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:27,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:28,525 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:28,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:28,635 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:28,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:28,660 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:28,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:28,762 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:28,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:28,788 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:28,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:29,908 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:29,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:29,934 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:29,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:30,054 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:30,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:31,968 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:31,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:33,314 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:33,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:34,718 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:34,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:34,820 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:34,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:34,845 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:34,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:34,951 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:34,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:34,976 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:34,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:35,072 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:35,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:37,244 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:37,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:38,437 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:38,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:38,463 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:38,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:40,179 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:40,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:40,209 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:40,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:40,325 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:40,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:41,779 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:41,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:46,268 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:46,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:48,118 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:48,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:48,222 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:48,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:49,431 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:49,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:50,954 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:50,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:50,984 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:50,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:51,136 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:51,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:54,962 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:54,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:56,411 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:56,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:56,438 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:56,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:59,728 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:59,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:35:59,754 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:35:59,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:35:59,887 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:35:59,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:36:01,932 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:36:01,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:36:02,068 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:36:02,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:36:03,294 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:36:03,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:36:03,400 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:36:03,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:36:03,430 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:36:03,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:36:03,543 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:36:03,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:36:05,359 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:36:05,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:36:05,495 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:36:05,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:36:05,521 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:36:05,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:36:05,682 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:36:05,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 78 [2021-11-22 15:36:05,743 INFO L354 Elim1Store]: treesize reduction 104, result has 19.4 percent of original size [2021-11-22 15:36:05,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 101 [2021-11-22 15:36:06,094 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-22 15:36:06,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 113 treesize of output 62 [2021-11-22 15:36:06,103 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-22 15:36:06,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 26 [2021-11-22 15:36:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 43 proven. 44 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-11-22 15:36:06,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:36:17,946 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_4 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_4 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_3 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_3 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-22 15:36:43,250 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_15 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_15 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_16 (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_16 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-22 15:36:45,365 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_17 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_16 (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_17 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd v_subst_16 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1) .cse3 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse4)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32)) .cse3 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse4))))) (forall ((v_subst_15 (_ BitVec 32)) (v_subst_18 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse5 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6) (bvadd v_subst_18 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6) (bvadd v_subst_15 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse5) (bvadd .cse5 (_ bv20 32)))))) is different from false [2021-11-22 15:36:50,730 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_21 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_21 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_22 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_22 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-22 15:37:08,732 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_32 (_ BitVec 32)) (v_subst_25 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_32 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd v_subst_25 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1) .cse3 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse4) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32)) .cse3 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse4))))) (forall ((v_subst_31 (_ BitVec 32)) (v_subst_26 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse5 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6) (bvadd v_subst_31 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6) (bvadd v_subst_26 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse5) (bvadd .cse5 (_ bv20 32)))))) is different from false [2021-11-22 15:37:53,373 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_47 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_47 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_48 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_48 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse4 (_ bv16 32)) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-22 15:37:55,499 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_47 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_49 (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_49 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd v_subst_47 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1) .cse3 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse4) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32)) .cse3 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse4))))) (forall ((v_subst_50 (_ BitVec 32)) (v_subst_48 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse5 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6) (bvadd v_subst_50 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6) (bvadd v_subst_48 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse5 (_ bv16 32)) (bvadd .cse5 (_ bv20 32)))))) is different from false [2021-11-22 15:38:35,126 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_63 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_63 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_64 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_64 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-22 15:38:43,289 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_68 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_68 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_67 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_67 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-22 15:39:45,182 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (v_subst_86 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#value#1| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_86 |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (v_subst_85 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#value#1| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_85 |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-22 15:40:21,307 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 26 treesize of output 24 [2021-11-22 15:40:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 77 proven. 34 refuted. 68 times theorem prover too weak. 416 trivial. 395 not checked. [2021-11-22 15:40:21,566 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:40:21,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193517006] [2021-11-22 15:40:21,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193517006] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:40:21,566 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:40:21,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 19] total 26 [2021-11-22 15:40:21,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120929260] [2021-11-22 15:40:21,567 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 15:40:21,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-22 15:40:21,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:40:21,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-22 15:40:21,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=219, Unknown=14, NotChecked=390, Total=702 [2021-11-22 15:40:21,568 INFO L87 Difference]: Start difference. First operand 1124 states and 1275 transitions. Second operand has 27 states, 26 states have (on average 4.153846153846154) internal successors, (108), 27 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:40:28,879 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_subst_21 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_21 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_47 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_49 (_ BitVec 32))) (let ((.cse4 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd v_subst_49 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse7 (bvadd v_subst_47 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse8 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse4 .cse5) .cse6 .cse5) .cse7 .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse8) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse4 (_ bv0 32)) .cse6 (_ bv0 32)) .cse7 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))))) (forall ((v_subst_68 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse9 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse11 (bvadd v_subst_68 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse12 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse10 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse9 .cse10) .cse11 .cse10))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse9 (_ bv0 32)) .cse11 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse12))))) (= |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse13)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |c_ULTIMATE.start_main_~user~0#1.base|))) (forall ((v_subst_17 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_16 (_ BitVec 32))) (let ((.cse14 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse16 (bvadd v_subst_17 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse17 (bvadd v_subst_16 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse18 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse14 .cse15) .cse16 .cse15) .cse17 .cse15))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse18)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse14 (_ bv0 32)) .cse16 (_ bv0 32)) .cse17 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse18))))) (= (select |c_#length| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (_ bv44 32)) (not (= |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) (forall ((v_subst_63 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse19 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse20) (bvadd v_subst_63 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse20))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse19) (bvadd .cse19 (_ bv20 32))))) (forall ((v_subst_50 (_ BitVec 32)) (v_subst_48 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse21 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse22) (bvadd v_subst_50 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse22) (bvadd v_subst_48 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse22))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse21 (_ bv16 32)) (bvadd .cse21 (_ bv20 32))))) (forall ((v_subst_67 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse23 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse24) (bvadd v_subst_67 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse24))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse23) (bvadd .cse23 (_ bv20 32))))) (forall ((v_subst_32 (_ BitVec 32)) (v_subst_25 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse25 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse27 (bvadd v_subst_32 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse28 (bvadd v_subst_25 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse29 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse25 .cse26) .cse27 .cse26) .cse28 .cse26))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse29) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse25 (_ bv0 32)) .cse27 (_ bv0 32)) .cse28 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse29))))) (forall ((v_subst_22 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse30 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse31 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse31) (bvadd v_subst_22 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse31))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse30) (bvadd .cse30 (_ bv20 32))))) (forall ((v_subst_64 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse32 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse34 (bvadd v_subst_64 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse35 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse32 .cse33) .cse34 .cse33))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse35)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse32 (_ bv0 32)) .cse34 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse35))))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse13) (_ bv0 32)) (exists ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_125| (_ BitVec 32))) (let ((.cse36 (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_125| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|))) (and (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse36) ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|))) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse36) (_ bv0 32))))) (forall ((v_subst_15 (_ BitVec 32)) (v_subst_18 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse37 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse38 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse38) (bvadd v_subst_18 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse38) (bvadd v_subst_15 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse38))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse37) (bvadd .cse37 (_ bv20 32))))) (forall ((v_subst_31 (_ BitVec 32)) (v_subst_26 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse39 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse40 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse40) (bvadd v_subst_31 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse40) (bvadd v_subst_26 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse40))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse39) (bvadd .cse39 (_ bv20 32))))) (forall ((v_subst_4 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse41 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse42 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse42) (bvadd v_subst_4 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse42))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse41) (bvadd .cse41 (_ bv20 32))))) (forall ((v_subst_3 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse43 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse45 (bvadd v_subst_3 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse46 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse44 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse43 .cse44) .cse45 .cse44))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse46) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse43 (_ bv0 32)) .cse45 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse46))))))) is different from true [2021-11-22 15:40:30,931 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_subst_21 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_21 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_47 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_49 (_ BitVec 32))) (let ((.cse4 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd v_subst_49 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse7 (bvadd v_subst_47 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse8 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse4 .cse5) .cse6 .cse5) .cse7 .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse8) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse4 (_ bv0 32)) .cse6 (_ bv0 32)) .cse7 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))))) (forall ((v_subst_68 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse9 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse11 (bvadd v_subst_68 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse12 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse10 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse9 .cse10) .cse11 .cse10))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse9 (_ bv0 32)) .cse11 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse12))))) (= |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse13)) (forall ((v_subst_17 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_16 (_ BitVec 32))) (let ((.cse14 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse16 (bvadd v_subst_17 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse17 (bvadd v_subst_16 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse18 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse14 .cse15) .cse16 .cse15) .cse17 .cse15))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse18)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse14 (_ bv0 32)) .cse16 (_ bv0 32)) .cse17 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse18))))) (= (select |c_#length| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (_ bv44 32)) (not (= |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) (forall ((v_subst_63 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse19 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse20) (bvadd v_subst_63 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse20))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse19) (bvadd .cse19 (_ bv20 32))))) (forall ((v_subst_50 (_ BitVec 32)) (v_subst_48 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse21 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse22) (bvadd v_subst_50 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse22) (bvadd v_subst_48 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse22))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse21 (_ bv16 32)) (bvadd .cse21 (_ bv20 32))))) (forall ((v_subst_67 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse23 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse24) (bvadd v_subst_67 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse24))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse23) (bvadd .cse23 (_ bv20 32))))) (forall ((v_subst_32 (_ BitVec 32)) (v_subst_25 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse25 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse27 (bvadd v_subst_32 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse28 (bvadd v_subst_25 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse29 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse25 .cse26) .cse27 .cse26) .cse28 .cse26))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse29) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse25 (_ bv0 32)) .cse27 (_ bv0 32)) .cse28 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse29))))) (forall ((v_subst_15 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse30 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse31 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse31) (bvadd v_subst_15 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse31))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse30) (bvadd .cse30 (_ bv20 32))))) (forall ((v_subst_22 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse32 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse33) (bvadd v_subst_22 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse33))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse32) (bvadd .cse32 (_ bv20 32))))) (forall ((v_subst_64 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse34 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse36 (bvadd v_subst_64 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse37 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse34 .cse35) .cse36 .cse35))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse37)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse34 (_ bv0 32)) .cse36 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse37))))) (forall ((v_subst_47 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse38 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse40 (bvadd v_subst_47 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse41 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse39 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse38 .cse39) .cse40 .cse39))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse41) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse38 (_ bv0 32)) .cse40 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse41))))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse13) (_ bv0 32)) (exists ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_125| (_ BitVec 32))) (let ((.cse42 (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_125| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|))) (and (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse42) ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|))) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse42) (_ bv0 32))))) (forall ((v_subst_48 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse43 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse44 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse44) (bvadd v_subst_48 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse44))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse43 (_ bv16 32)) (bvadd .cse43 (_ bv20 32))))) (forall ((v_subst_15 (_ BitVec 32)) (v_subst_18 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse45 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse46 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse46) (bvadd v_subst_18 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse46) (bvadd v_subst_15 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse46))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse45) (bvadd .cse45 (_ bv20 32))))) (forall ((v_subst_31 (_ BitVec 32)) (v_subst_26 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse47 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse48 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse48) (bvadd v_subst_31 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse48) (bvadd v_subst_26 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse48))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse47) (bvadd .cse47 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_16 (_ BitVec 32))) (let ((.cse49 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse51 (bvadd v_subst_16 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse52 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse50 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse49 .cse50) .cse51 .cse50))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse52) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse49 (_ bv0 32)) .cse51 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse52))))) (forall ((v_subst_4 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse53 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse54 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse54) (bvadd v_subst_4 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse54))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse53) (bvadd .cse53 (_ bv20 32))))) (forall ((v_subst_3 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse55 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse57 (bvadd v_subst_3 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse58 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse56 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse55 .cse56) .cse57 .cse56))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse58) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse55 (_ bv0 32)) .cse57 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse58))))))) is different from true [2021-11-22 15:40:37,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:40:37,351 INFO L93 Difference]: Finished difference Result 1404 states and 1628 transitions. [2021-11-22 15:40:37,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-22 15:40:37,351 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.153846153846154) internal successors, (108), 27 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-11-22 15:40:37,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:40:37,354 INFO L225 Difference]: With dead ends: 1404 [2021-11-22 15:40:37,354 INFO L226 Difference]: Without dead ends: 1404 [2021-11-22 15:40:37,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 130 SyntacticMatches, 75 SemanticMatches, 32 ConstructedPredicates, 12 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 246.4s TimeCoverageRelationStatistics Valid=126, Invalid=368, Unknown=16, NotChecked=612, Total=1122 [2021-11-22 15:40:37,355 INFO L933 BasicCegarLoop]: 591 mSDtfsCounter, 635 mSDsluCounter, 5202 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 5793 SdHoareTripleChecker+Invalid, 12117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11058 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:40:37,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [635 Valid, 5793 Invalid, 12117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1051 Invalid, 0 Unknown, 11058 Unchecked, 6.8s Time] [2021-11-22 15:40:37,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2021-11-22 15:40:37,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1123. [2021-11-22 15:40:37,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 771 states have (on average 1.6523994811932554) internal successors, (1274), 1122 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:40:37,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1274 transitions. [2021-11-22 15:40:37,374 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1274 transitions. Word has length 115 [2021-11-22 15:40:37,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:40:37,374 INFO L470 AbstractCegarLoop]: Abstraction has 1123 states and 1274 transitions. [2021-11-22 15:40:37,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.153846153846154) internal successors, (108), 27 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:40:37,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1274 transitions. [2021-11-22 15:40:37,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 15:40:37,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:40:37,376 INFO L514 BasicCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:40:37,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2021-11-22 15:40:37,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:40:37,594 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:40:37,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:40:37,595 INFO L85 PathProgramCache]: Analyzing trace with hash -146191323, now seen corresponding path program 1 times [2021-11-22 15:40:37,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:40:37,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20073136] [2021-11-22 15:40:37,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:40:37,596 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:40:37,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:40:37,597 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:40:37,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aea84a-4f4f-4667-a840-d653af3daa0c/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-22 15:40:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:40:38,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-22 15:40:38,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:40:38,210 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 [2021-11-22 15:40:38,638 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-22 15:40:38,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 26 [2021-11-22 15:40:38,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 22 [2021-11-22 15:40:39,181 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-22 15:40:39,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 48 treesize of output 35 [2021-11-22 15:40:40,151 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:40,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:40:40,987 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:40,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:40:41,152 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:41,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:40:42,111 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:42,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:40:42,809 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:42,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-22 15:40:44,478 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:44,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:40:46,972 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:46,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:40:47,155 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:47,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:40:48,442 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:48,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:40:48,623 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:48,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:40:48,818 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:48,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:40:49,002 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:49,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:40:49,171 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:49,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:40:50,811 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:50,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-22 15:40:50,976 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:50,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:40:54,821 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:54,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:40:54,998 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:54,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:40:55,180 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:55,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:40:55,363 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:55,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:40:55,548 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:55,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:40:55,712 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:55,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:40:55,888 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:55,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:40:56,054 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:56,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:40:57,427 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:57,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:40:57,583 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:57,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:40:57,747 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:57,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:40:57,910 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:40:57,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:41:00,644 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:00,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:41:01,624 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:01,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:41:04,740 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:04,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:41:04,914 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:04,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:41:05,107 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:05,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:41:10,068 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:10,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:41:11,747 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:11,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-22 15:41:11,914 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:11,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:41:12,100 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:12,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:41:14,018 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:14,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:41:14,190 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:14,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:41:16,103 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:16,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:41:16,285 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:16,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:41:17,838 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:17,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:41:19,924 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:19,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:41:20,111 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:41:20,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 48 [2021-11-22 15:41:20,396 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-22 15:41:20,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 35 [2021-11-22 15:41:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 43 proven. 44 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-11-22 15:41:20,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:41:22,572 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))) (_ bv1 1)))) is different from false [2021-11-22 15:43:03,373 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_260| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_264| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_284| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_284| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_264| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_260| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))))) (_ bv1 1)))) is different from false