./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:20:49,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:20:49,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:20:49,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:20:49,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:20:49,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:20:49,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:20:49,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:20:49,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:20:49,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:20:49,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:20:49,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:20:49,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:20:49,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:20:49,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:20:49,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:20:49,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:20:49,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:20:49,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:20:49,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:20:49,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:20:49,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:20:49,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:20:49,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:20:49,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:20:49,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:20:49,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:20:49,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:20:49,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:20:49,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:20:49,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:20:49,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:20:49,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:20:49,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:20:49,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:20:49,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:20:49,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:20:49,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:20:49,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:20:49,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:20:49,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:20:49,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-21 00:20:49,762 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:20:49,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:20:49,763 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:20:49,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:20:49,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:20:49,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:20:49,764 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:20:49,765 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:20:49,765 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:20:49,765 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:20:49,766 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:20:49,766 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:20:49,766 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:20:49,766 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:20:49,766 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:20:49,767 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:20:49,767 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:20:49,767 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:20:49,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 00:20:49,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 00:20:49,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:20:49,769 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:20:49,769 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:20:49,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:20:49,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:20:49,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:20:49,770 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 00:20:49,770 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 00:20:49,770 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 00:20:49,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:20:49,771 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 00:20:49,771 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:20:49,776 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:20:49,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:20:49,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:20:49,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:20:49,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:20:49,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:20:49,778 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:20:49,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:20:49,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:20:49,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:20:49,779 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2021-11-21 00:20:50,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:20:50,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:20:50,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:20:50,106 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:20:50,107 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:20:50,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2021-11-21 00:20:50,185 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/data/957613c47/5dbc866bebb842c48402189629a93fb0/FLAG6aa194f1b [2021-11-21 00:20:50,731 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:20:50,732 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2021-11-21 00:20:50,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/data/957613c47/5dbc866bebb842c48402189629a93fb0/FLAG6aa194f1b [2021-11-21 00:20:51,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/data/957613c47/5dbc866bebb842c48402189629a93fb0 [2021-11-21 00:20:51,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:20:51,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:20:51,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:20:51,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:20:51,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:20:51,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:20:51" (1/1) ... [2021-11-21 00:20:51,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40284c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:51, skipping insertion in model container [2021-11-21 00:20:51,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:20:51" (1/1) ... [2021-11-21 00:20:51,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:20:51,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:20:51,514 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_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2021-11-21 00:20:51,613 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_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2021-11-21 00:20:51,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:20:51,629 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) [2021-11-21 00:20:51,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a35f24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:51, skipping insertion in model container [2021-11-21 00:20:51,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:20:51,630 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 00:20:51,632 INFO L158 Benchmark]: Toolchain (without parser) took 615.96ms. Allocated memory is still 127.9MB. Free memory was 88.9MB in the beginning and 93.3MB in the end (delta: -4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 00:20:51,633 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:20:51,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.31ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 93.3MB in the end (delta: -4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 00:20:51,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.31ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 93.3MB in the end (delta: -4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 766]: 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_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:20:53,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:20:53,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:20:53,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:20:53,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:20:53,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:20:53,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:20:53,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:20:53,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:20:53,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:20:53,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:20:53,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:20:53,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:20:53,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:20:53,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:20:53,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:20:53,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:20:53,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:20:53,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:20:53,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:20:53,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:20:53,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:20:53,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:20:53,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:20:53,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:20:53,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:20:53,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:20:53,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:20:53,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:20:53,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:20:54,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:20:54,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:20:54,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:20:54,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:20:54,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:20:54,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:20:54,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:20:54,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:20:54,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:20:54,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:20:54,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:20:54,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-21 00:20:54,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:20:54,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:20:54,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:20:54,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:20:54,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:20:54,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:20:54,062 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:20:54,062 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:20:54,062 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:20:54,062 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:20:54,063 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:20:54,063 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:20:54,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 00:20:54,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 00:20:54,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:20:54,064 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:20:54,064 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:20:54,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:20:54,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:20:54,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:20:54,065 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 00:20:54,065 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 00:20:54,065 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 00:20:54,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:20:54,065 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 00:20:54,065 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 00:20:54,065 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 00:20:54,066 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:20:54,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:20:54,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:20:54,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 00:20:54,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:20:54,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:20:54,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:20:54,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:20:54,067 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 00:20:54,067 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 00:20:54,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:20:54,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:20:54,067 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_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2021-11-21 00:20:54,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:20:54,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:20:54,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:20:54,550 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:20:54,550 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:20:54,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2021-11-21 00:20:54,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/data/0a6754584/fb6069d700eb407c89ffcbc85ca2bdda/FLAG0bd1aa6d5 [2021-11-21 00:20:55,263 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:20:55,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2021-11-21 00:20:55,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/data/0a6754584/fb6069d700eb407c89ffcbc85ca2bdda/FLAG0bd1aa6d5 [2021-11-21 00:20:55,625 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/data/0a6754584/fb6069d700eb407c89ffcbc85ca2bdda [2021-11-21 00:20:55,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:20:55,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:20:55,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:20:55,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:20:55,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:20:55,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:20:55" (1/1) ... [2021-11-21 00:20:55,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed27ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:55, skipping insertion in model container [2021-11-21 00:20:55,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:20:55" (1/1) ... [2021-11-21 00:20:55,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:20:55,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:20:56,311 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_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2021-11-21 00:20:56,481 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_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2021-11-21 00:20:56,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:20:56,515 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-21 00:20:56,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:20:56,560 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_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2021-11-21 00:20:56,634 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_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2021-11-21 00:20:56,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:20:56,642 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:20:56,690 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_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2021-11-21 00:20:56,773 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_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2021-11-21 00:20:56,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:20:56,822 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:20:56,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:56 WrapperNode [2021-11-21 00:20:56,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:20:56,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:20:56,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:20:56,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:20:56,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:56" (1/1) ... [2021-11-21 00:20:56,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:56" (1/1) ... [2021-11-21 00:20:56,921 INFO L137 Inliner]: procedures = 180, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1011 [2021-11-21 00:20:56,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:20:56,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:20:56,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:20:56,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:20:56,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:56" (1/1) ... [2021-11-21 00:20:56,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:56" (1/1) ... [2021-11-21 00:20:56,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:56" (1/1) ... [2021-11-21 00:20:56,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:56" (1/1) ... [2021-11-21 00:20:57,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:56" (1/1) ... [2021-11-21 00:20:57,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:56" (1/1) ... [2021-11-21 00:20:57,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:56" (1/1) ... [2021-11-21 00:20:57,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:20:57,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:20:57,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:20:57,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:20:57,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:56" (1/1) ... [2021-11-21 00:20:57,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:20:57,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:20:57,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:20:57,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:20:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-21 00:20:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-21 00:20:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:20:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:20:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:20:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:20:57,154 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-21 00:20:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-21 00:20:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:20:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:20:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:20:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:20:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:20:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:20:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:20:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-21 00:20:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 00:20:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:20:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:20:57,361 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:20:57,363 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:20:57,367 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 00:21:02,205 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:21:02,228 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:21:02,235 INFO L301 CfgBuilder]: Removed 62 assume(true) statements. [2021-11-21 00:21:02,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:21:02 BoogieIcfgContainer [2021-11-21 00:21:02,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:21:02,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:21:02,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:21:02,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:21:02,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:20:55" (1/3) ... [2021-11-21 00:21:02,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b78fe37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:21:02, skipping insertion in model container [2021-11-21 00:21:02,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:56" (2/3) ... [2021-11-21 00:21:02,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b78fe37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:21:02, skipping insertion in model container [2021-11-21 00:21:02,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:21:02" (3/3) ... [2021-11-21 00:21:02,251 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test8-1.i [2021-11-21 00:21:02,257 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:21:02,257 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 536 error locations. [2021-11-21 00:21:02,314 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:21:02,323 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 [2021-11-21 00:21:02,324 INFO L340 AbstractCegarLoop]: Starting to check reachability of 536 error locations. [2021-11-21 00:21:02,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 1097 states, 540 states have (on average 2.240740740740741) internal successors, (1210), 1088 states have internal predecessors, (1210), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-21 00:21:02,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 00:21:02,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:02,406 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 00:21:02,407 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:02,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:02,414 INFO L85 PathProgramCache]: Analyzing trace with hash 132136, now seen corresponding path program 1 times [2021-11-21 00:21:02,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:02,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [48064187] [2021-11-21 00:21:02,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:02,427 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:02,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:02,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:02,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-21 00:21:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:02,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 00:21:02,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:02,712 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 [2021-11-21 00:21:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:02,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:02,756 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:02,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [48064187] [2021-11-21 00:21:02,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [48064187] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:02,757 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:02,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-21 00:21:02,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542034346] [2021-11-21 00:21:02,760 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:02,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:21:02,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:02,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:21:02,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:21:02,796 INFO L87 Difference]: Start difference. First operand has 1097 states, 540 states have (on average 2.240740740740741) internal successors, (1210), 1088 states have internal predecessors, (1210), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) 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) [2021-11-21 00:21:04,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:04,781 INFO L93 Difference]: Finished difference Result 1100 states and 1186 transitions. [2021-11-21 00:21:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:21:04,789 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 [2021-11-21 00:21:04,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:04,811 INFO L225 Difference]: With dead ends: 1100 [2021-11-21 00:21:04,812 INFO L226 Difference]: Without dead ends: 1098 [2021-11-21 00:21:04,813 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 [2021-11-21 00:21:04,817 INFO L933 BasicCegarLoop]: 696 mSDtfsCounter, 971 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:04,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [975 Valid, 825 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 00:21:04,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2021-11-21 00:21:04,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1086. [2021-11-21 00:21:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 543 states have (on average 2.0902394106813995) internal successors, (1135), 1076 states have internal predecessors, (1135), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-21 00:21:04,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1177 transitions. [2021-11-21 00:21:04,927 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1177 transitions. Word has length 3 [2021-11-21 00:21:04,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:04,927 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1177 transitions. [2021-11-21 00:21:04,928 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) [2021-11-21 00:21:04,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1177 transitions. [2021-11-21 00:21:04,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 00:21:04,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:04,929 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 00:21:04,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:05,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:05,143 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:05,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:05,144 INFO L85 PathProgramCache]: Analyzing trace with hash 132137, now seen corresponding path program 1 times [2021-11-21 00:21:05,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:05,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231098442] [2021-11-21 00:21:05,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:05,145 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:05,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:05,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:05,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-21 00:21:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:05,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:21:05,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:05,311 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 [2021-11-21 00:21:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:05,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:05,396 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:05,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231098442] [2021-11-21 00:21:05,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231098442] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:05,396 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:05,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-21 00:21:05,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647206981] [2021-11-21 00:21:05,397 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:05,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:21:05,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:05,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:21:05,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:21:05,399 INFO L87 Difference]: Start difference. First operand 1086 states and 1177 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) [2021-11-21 00:21:10,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:10,287 INFO L93 Difference]: Finished difference Result 1562 states and 1687 transitions. [2021-11-21 00:21:10,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:21:10,288 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 [2021-11-21 00:21:10,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:10,295 INFO L225 Difference]: With dead ends: 1562 [2021-11-21 00:21:10,296 INFO L226 Difference]: Without dead ends: 1562 [2021-11-21 00:21:10,296 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 [2021-11-21 00:21:10,298 INFO L933 BasicCegarLoop]: 832 mSDtfsCounter, 1136 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:10,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1139 Valid, 1749 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-21 00:21:10,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2021-11-21 00:21:10,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1125. [2021-11-21 00:21:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 590 states have (on average 2.0694915254237287) internal successors, (1221), 1114 states have internal predecessors, (1221), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:21:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1265 transitions. [2021-11-21 00:21:10,351 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1265 transitions. Word has length 3 [2021-11-21 00:21:10,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:10,351 INFO L470 AbstractCegarLoop]: Abstraction has 1125 states and 1265 transitions. [2021-11-21 00:21:10,352 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) [2021-11-21 00:21:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1265 transitions. [2021-11-21 00:21:10,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 00:21:10,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:10,353 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:21:10,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:10,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:10,564 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:10,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:10,565 INFO L85 PathProgramCache]: Analyzing trace with hash -846217710, now seen corresponding path program 1 times [2021-11-21 00:21:10,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:10,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858629718] [2021-11-21 00:21:10,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:10,566 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:10,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:10,568 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:10,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-21 00:21:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:10,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 00:21:10,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:10,695 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 [2021-11-21 00:21:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:10,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:10,747 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:10,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858629718] [2021-11-21 00:21:10,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1858629718] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:10,748 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:10,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-21 00:21:10,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169910164] [2021-11-21 00:21:10,748 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:10,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:21:10,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:10,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:21:10,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:21:10,750 INFO L87 Difference]: Start difference. First operand 1125 states and 1265 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) [2021-11-21 00:21:12,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:12,919 INFO L93 Difference]: Finished difference Result 1450 states and 1612 transitions. [2021-11-21 00:21:12,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:21:12,920 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 [2021-11-21 00:21:12,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:12,927 INFO L225 Difference]: With dead ends: 1450 [2021-11-21 00:21:12,927 INFO L226 Difference]: Without dead ends: 1450 [2021-11-21 00:21:12,928 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 [2021-11-21 00:21:12,929 INFO L933 BasicCegarLoop]: 995 mSDtfsCounter, 990 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:12,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [995 Valid, 1300 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 00:21:12,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2021-11-21 00:21:12,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1078. [2021-11-21 00:21:12,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 590 states have (on average 1.9813559322033898) internal successors, (1169), 1067 states have internal predecessors, (1169), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:21:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1213 transitions. [2021-11-21 00:21:12,967 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1213 transitions. Word has length 8 [2021-11-21 00:21:12,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:12,967 INFO L470 AbstractCegarLoop]: Abstraction has 1078 states and 1213 transitions. [2021-11-21 00:21:12,967 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) [2021-11-21 00:21:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1213 transitions. [2021-11-21 00:21:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 00:21:12,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:12,968 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:21:12,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-21 00:21:13,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:13,179 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:13,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:13,180 INFO L85 PathProgramCache]: Analyzing trace with hash -846217709, now seen corresponding path program 1 times [2021-11-21 00:21:13,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:13,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531554512] [2021-11-21 00:21:13,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:13,181 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:13,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:13,182 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:13,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-21 00:21:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:13,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:21:13,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:13,349 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 [2021-11-21 00:21:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:13,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:13,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:13,477 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:13,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531554512] [2021-11-21 00:21:13,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531554512] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:13,477 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:13,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-21 00:21:13,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828080164] [2021-11-21 00:21:13,478 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:13,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:21:13,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:13,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:21:13,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:21:13,479 INFO L87 Difference]: Start difference. First operand 1078 states and 1213 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) [2021-11-21 00:21:17,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:17,531 INFO L93 Difference]: Finished difference Result 1509 states and 1633 transitions. [2021-11-21 00:21:17,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:21:17,533 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 [2021-11-21 00:21:17,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:17,541 INFO L225 Difference]: With dead ends: 1509 [2021-11-21 00:21:17,541 INFO L226 Difference]: Without dead ends: 1509 [2021-11-21 00:21:17,542 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 [2021-11-21 00:21:17,543 INFO L933 BasicCegarLoop]: 1182 mSDtfsCounter, 1416 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 1667 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:17,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1419 Valid, 1667 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-21 00:21:17,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2021-11-21 00:21:17,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1276. [2021-11-21 00:21:17,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 797 states have (on average 1.9786700125470515) internal successors, (1577), 1264 states have internal predecessors, (1577), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-21 00:21:17,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1623 transitions. [2021-11-21 00:21:17,592 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1623 transitions. Word has length 8 [2021-11-21 00:21:17,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:17,592 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 1623 transitions. [2021-11-21 00:21:17,593 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) [2021-11-21 00:21:17,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1623 transitions. [2021-11-21 00:21:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 00:21:17,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:17,594 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:21:17,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:17,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:17,805 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr534ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:17,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:17,806 INFO L85 PathProgramCache]: Analyzing trace with hash -652228184, now seen corresponding path program 1 times [2021-11-21 00:21:17,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:17,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687147953] [2021-11-21 00:21:17,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:17,806 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:17,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:17,807 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:17,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-21 00:21:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:17,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:21:17,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:17,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:17,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:17,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:18,050 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 00:21:18,050 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 [2021-11-21 00:21:18,132 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-21 00:21:18,132 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 [2021-11-21 00:21:18,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:18,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:18,219 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:18,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687147953] [2021-11-21 00:21:18,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687147953] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:18,220 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:18,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-21 00:21:18,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956574718] [2021-11-21 00:21:18,220 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:18,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:21:18,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:18,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:21:18,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:21:18,221 INFO L87 Difference]: Start difference. First operand 1276 states and 1623 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2021-11-21 00:21:20,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:20,446 INFO L93 Difference]: Finished difference Result 1786 states and 2342 transitions. [2021-11-21 00:21:20,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:21:20,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 10 [2021-11-21 00:21:20,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:20,456 INFO L225 Difference]: With dead ends: 1786 [2021-11-21 00:21:20,457 INFO L226 Difference]: Without dead ends: 1786 [2021-11-21 00:21:20,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:21:20,458 INFO L933 BasicCegarLoop]: 1048 mSDtfsCounter, 356 mSDsluCounter, 2922 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 3970 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:20,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [357 Valid, 3970 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-21 00:21:20,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2021-11-21 00:21:20,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1276. [2021-11-21 00:21:20,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 797 states have (on average 1.9774153074027603) internal successors, (1576), 1264 states have internal predecessors, (1576), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-21 00:21:20,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1622 transitions. [2021-11-21 00:21:20,497 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1622 transitions. Word has length 10 [2021-11-21 00:21:20,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:20,498 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 1622 transitions. [2021-11-21 00:21:20,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2021-11-21 00:21:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1622 transitions. [2021-11-21 00:21:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 00:21:20,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:20,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:21:20,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:20,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:20,710 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:20,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:20,711 INFO L85 PathProgramCache]: Analyzing trace with hash -413650658, now seen corresponding path program 1 times [2021-11-21 00:21:20,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:20,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901797599] [2021-11-21 00:21:20,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:20,712 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:20,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:20,712 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:20,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-21 00:21:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:20,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 00:21:20,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:20,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:20,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:20,927 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:20,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1901797599] [2021-11-21 00:21:20,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1901797599] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:20,928 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:20,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-21 00:21:20,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734519505] [2021-11-21 00:21:20,928 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:20,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:21:20,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:20,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:21:20,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:21:20,930 INFO L87 Difference]: Start difference. First operand 1276 states and 1622 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) [2021-11-21 00:21:20,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:20,963 INFO L93 Difference]: Finished difference Result 1243 states and 1588 transitions. [2021-11-21 00:21:20,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:21:20,964 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 [2021-11-21 00:21:20,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:20,971 INFO L225 Difference]: With dead ends: 1243 [2021-11-21 00:21:20,971 INFO L226 Difference]: Without dead ends: 1243 [2021-11-21 00:21:20,971 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 [2021-11-21 00:21:20,972 INFO L933 BasicCegarLoop]: 1054 mSDtfsCounter, 966 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 1238 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 [2021-11-21 00:21:20,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [971 Valid, 1238 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:21:20,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2021-11-21 00:21:20,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1234. [2021-11-21 00:21:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 779 states have (on average 1.9679075738125802) internal successors, (1533), 1222 states have internal predecessors, (1533), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-21 00:21:21,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1579 transitions. [2021-11-21 00:21:21,006 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1579 transitions. Word has length 18 [2021-11-21 00:21:21,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:21,006 INFO L470 AbstractCegarLoop]: Abstraction has 1234 states and 1579 transitions. [2021-11-21 00:21:21,007 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) [2021-11-21 00:21:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1579 transitions. [2021-11-21 00:21:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 00:21:21,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:21,008 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] [2021-11-21 00:21:21,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:21,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:21,224 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr39REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:21,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:21,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1913675577, now seen corresponding path program 1 times [2021-11-21 00:21:21,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:21,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965940524] [2021-11-21 00:21:21,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:21,226 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:21,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:21,227 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:21,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-21 00:21:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:21,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:21:21,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:21,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:21,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:21,456 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:21,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965940524] [2021-11-21 00:21:21,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965940524] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:21,457 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:21,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-21 00:21:21,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035429194] [2021-11-21 00:21:21,457 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:21,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:21:21,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:21,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:21:21,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:21:21,458 INFO L87 Difference]: Start difference. First operand 1234 states and 1579 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) [2021-11-21 00:21:21,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:21,551 INFO L93 Difference]: Finished difference Result 1222 states and 1560 transitions. [2021-11-21 00:21:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:21:21,552 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 [2021-11-21 00:21:21,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:21,559 INFO L225 Difference]: With dead ends: 1222 [2021-11-21 00:21:21,559 INFO L226 Difference]: Without dead ends: 1222 [2021-11-21 00:21:21,561 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 [2021-11-21 00:21:21,562 INFO L933 BasicCegarLoop]: 1009 mSDtfsCounter, 1864 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1869 SdHoareTripleChecker+Valid, 2103 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:21,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1869 Valid, 2103 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:21:21,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2021-11-21 00:21:21,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1212. [2021-11-21 00:21:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 771 states have (on average 1.9507133592736705) internal successors, (1504), 1200 states have internal predecessors, (1504), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-21 00:21:21,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1550 transitions. [2021-11-21 00:21:21,595 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1550 transitions. Word has length 20 [2021-11-21 00:21:21,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:21,595 INFO L470 AbstractCegarLoop]: Abstraction has 1212 states and 1550 transitions. [2021-11-21 00:21:21,596 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) [2021-11-21 00:21:21,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1550 transitions. [2021-11-21 00:21:21,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 00:21:21,597 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:21,597 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] [2021-11-21 00:21:21,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:21,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:21,819 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:21,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:21,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1224753126, now seen corresponding path program 1 times [2021-11-21 00:21:21,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:21,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467669387] [2021-11-21 00:21:21,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:21,821 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:21,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:21,822 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:21,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-21 00:21:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:21,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:21:21,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:22,015 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 [2021-11-21 00:21:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:22,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:22,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:22,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:22,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467669387] [2021-11-21 00:21:22,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467669387] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:22,273 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:22,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-21 00:21:22,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026361034] [2021-11-21 00:21:22,273 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:22,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:21:22,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:22,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:21:22,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:21:22,275 INFO L87 Difference]: Start difference. First operand 1212 states and 1550 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) [2021-11-21 00:21:24,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:24,136 INFO L93 Difference]: Finished difference Result 1802 states and 2373 transitions. [2021-11-21 00:21:24,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:21:24,137 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 [2021-11-21 00:21:24,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:24,147 INFO L225 Difference]: With dead ends: 1802 [2021-11-21 00:21:24,148 INFO L226 Difference]: Without dead ends: 1802 [2021-11-21 00:21:24,148 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 [2021-11-21 00:21:24,149 INFO L933 BasicCegarLoop]: 563 mSDtfsCounter, 2108 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2110 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:24,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2110 Valid, 999 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 00:21:24,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2021-11-21 00:21:24,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1208. [2021-11-21 00:21:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1208 states, 771 states have (on average 1.9455252918287937) internal successors, (1500), 1196 states have internal predecessors, (1500), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-21 00:21:24,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1546 transitions. [2021-11-21 00:21:24,184 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1546 transitions. Word has length 34 [2021-11-21 00:21:24,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:24,185 INFO L470 AbstractCegarLoop]: Abstraction has 1208 states and 1546 transitions. [2021-11-21 00:21:24,185 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) [2021-11-21 00:21:24,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1546 transitions. [2021-11-21 00:21:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 00:21:24,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:24,187 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] [2021-11-21 00:21:24,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:24,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:24,401 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:24,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:24,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1224753127, now seen corresponding path program 1 times [2021-11-21 00:21:24,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:24,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [238244460] [2021-11-21 00:21:24,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:24,402 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:24,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:24,403 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:24,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-21 00:21:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:24,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:21:24,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:24,577 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 [2021-11-21 00:21:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:24,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:25,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:25,327 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:25,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [238244460] [2021-11-21 00:21:25,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [238244460] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:25,328 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:25,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-21 00:21:25,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850390178] [2021-11-21 00:21:25,328 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:25,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:21:25,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:25,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:21:25,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:21:25,329 INFO L87 Difference]: Start difference. First operand 1208 states and 1546 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) [2021-11-21 00:21:32,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:32,208 INFO L93 Difference]: Finished difference Result 1449 states and 1564 transitions. [2021-11-21 00:21:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:21:32,210 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 [2021-11-21 00:21:32,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:32,215 INFO L225 Difference]: With dead ends: 1449 [2021-11-21 00:21:32,215 INFO L226 Difference]: Without dead ends: 1449 [2021-11-21 00:21:32,216 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 [2021-11-21 00:21:32,216 INFO L933 BasicCegarLoop]: 721 mSDtfsCounter, 1263 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 2645 SdHoareTripleChecker+Invalid, 1988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:32,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1263 Valid, 2645 Invalid, 1988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1974 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-11-21 00:21:32,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2021-11-21 00:21:32,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1204. [2021-11-21 00:21:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 771 states have (on average 1.940337224383917) internal successors, (1496), 1192 states have internal predecessors, (1496), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-21 00:21:32,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1542 transitions. [2021-11-21 00:21:32,248 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1542 transitions. Word has length 34 [2021-11-21 00:21:32,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:32,248 INFO L470 AbstractCegarLoop]: Abstraction has 1204 states and 1542 transitions. [2021-11-21 00:21:32,248 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) [2021-11-21 00:21:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1542 transitions. [2021-11-21 00:21:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 00:21:32,250 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:32,250 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] [2021-11-21 00:21:32,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:32,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:32,462 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr117REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:32,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:32,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1045534242, now seen corresponding path program 1 times [2021-11-21 00:21:32,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:32,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771995953] [2021-11-21 00:21:32,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:32,464 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:32,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:32,465 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:32,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-21 00:21:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:32,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:21:32,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:32,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:32,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:32,871 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:32,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771995953] [2021-11-21 00:21:32,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1771995953] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:32,872 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:32,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-21 00:21:32,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479297633] [2021-11-21 00:21:32,872 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:32,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:21:32,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:32,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:21:32,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:21:32,873 INFO L87 Difference]: Start difference. First operand 1204 states and 1542 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-11-21 00:21:32,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:32,935 INFO L93 Difference]: Finished difference Result 1207 states and 1541 transitions. [2021-11-21 00:21:32,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:21:32,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 49 [2021-11-21 00:21:32,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:32,943 INFO L225 Difference]: With dead ends: 1207 [2021-11-21 00:21:32,943 INFO L226 Difference]: Without dead ends: 1207 [2021-11-21 00:21:32,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:21:32,944 INFO L933 BasicCegarLoop]: 1003 mSDtfsCounter, 913 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 2081 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 [2021-11-21 00:21:32,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [918 Valid, 2081 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:21:32,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2021-11-21 00:21:32,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1198. [2021-11-21 00:21:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 765 states have (on average 1.942483660130719) internal successors, (1486), 1186 states have internal predecessors, (1486), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-21 00:21:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1532 transitions. [2021-11-21 00:21:32,971 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1532 transitions. Word has length 49 [2021-11-21 00:21:32,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:32,971 INFO L470 AbstractCegarLoop]: Abstraction has 1198 states and 1532 transitions. [2021-11-21 00:21:32,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-11-21 00:21:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1532 transitions. [2021-11-21 00:21:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 00:21:32,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:32,973 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] [2021-11-21 00:21:32,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:33,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:33,186 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr117REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:33,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:33,186 INFO L85 PathProgramCache]: Analyzing trace with hash -551406574, now seen corresponding path program 1 times [2021-11-21 00:21:33,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:33,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507200061] [2021-11-21 00:21:33,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:33,187 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:33,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:33,188 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:33,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-21 00:21:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:33,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:21:33,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:33,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:34,159 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:34,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507200061] [2021-11-21 00:21:34,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507200061] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:34,159 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:34,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-21 00:21:34,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130674658] [2021-11-21 00:21:34,160 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:34,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:21:34,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:34,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:21:34,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:21:34,161 INFO L87 Difference]: Start difference. First operand 1198 states and 1532 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-21 00:21:34,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:34,415 INFO L93 Difference]: Finished difference Result 1738 states and 2267 transitions. [2021-11-21 00:21:34,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:21:34,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2021-11-21 00:21:34,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:34,433 INFO L225 Difference]: With dead ends: 1738 [2021-11-21 00:21:34,433 INFO L226 Difference]: Without dead ends: 1738 [2021-11-21 00:21:34,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:21:34,434 INFO L933 BasicCegarLoop]: 1212 mSDtfsCounter, 407 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 2072 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:34,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [410 Valid, 2072 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 00:21:34,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2021-11-21 00:21:34,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1559. [2021-11-21 00:21:34,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1124 states have (on average 1.9252669039145907) internal successors, (2164), 1545 states have internal predecessors, (2164), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-21 00:21:34,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2214 transitions. [2021-11-21 00:21:34,473 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2214 transitions. Word has length 57 [2021-11-21 00:21:34,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:34,473 INFO L470 AbstractCegarLoop]: Abstraction has 1559 states and 2214 transitions. [2021-11-21 00:21:34,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-21 00:21:34,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2214 transitions. [2021-11-21 00:21:34,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 00:21:34,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:34,475 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] [2021-11-21 00:21:34,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:34,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:34,687 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:34,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:34,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1189287633, now seen corresponding path program 1 times [2021-11-21 00:21:34,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:34,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [210983520] [2021-11-21 00:21:34,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:34,689 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:34,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:34,691 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:34,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-21 00:21:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:35,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 00:21:35,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:35,039 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 [2021-11-21 00:21:35,046 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 [2021-11-21 00:21:35,693 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-21 00:21:35,694 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 25 treesize of output 27 [2021-11-21 00:21:35,716 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:21:35,717 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 24 treesize of output 20 [2021-11-21 00:21:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:35,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:40,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:40,583 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:40,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [210983520] [2021-11-21 00:21:40,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [210983520] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:40,584 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:40,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-21 00:21:40,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062099313] [2021-11-21 00:21:40,584 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:40,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:21:40,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:40,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:21:40,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-21 00:21:40,586 INFO L87 Difference]: Start difference. First operand 1559 states and 2214 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) [2021-11-21 00:21:45,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:45,736 INFO L93 Difference]: Finished difference Result 2164 states and 2912 transitions. [2021-11-21 00:21:45,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:21:45,736 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 [2021-11-21 00:21:45,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:45,746 INFO L225 Difference]: With dead ends: 2164 [2021-11-21 00:21:45,746 INFO L226 Difference]: Without dead ends: 2164 [2021-11-21 00:21:45,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=19, Invalid=22, Unknown=1, NotChecked=0, Total=42 [2021-11-21 00:21:45,747 INFO L933 BasicCegarLoop]: 754 mSDtfsCounter, 1500 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 2152 SdHoareTripleChecker+Invalid, 3013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1486 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:45,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1507 Valid, 2152 Invalid, 3013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1484 Invalid, 0 Unknown, 1486 Unchecked, 5.1s Time] [2021-11-21 00:21:45,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2021-11-21 00:21:45,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 1171. [2021-11-21 00:21:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 772 states have (on average 1.8264248704663213) internal successors, (1410), 1159 states have internal predecessors, (1410), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-21 00:21:45,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1456 transitions. [2021-11-21 00:21:45,777 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1456 transitions. Word has length 60 [2021-11-21 00:21:45,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:45,777 INFO L470 AbstractCegarLoop]: Abstraction has 1171 states and 1456 transitions. [2021-11-21 00:21:45,778 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) [2021-11-21 00:21:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1456 transitions. [2021-11-21 00:21:45,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 00:21:45,779 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:45,779 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] [2021-11-21 00:21:45,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:45,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:45,992 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr73REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:45,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:45,993 INFO L85 PathProgramCache]: Analyzing trace with hash 444125234, now seen corresponding path program 1 times [2021-11-21 00:21:45,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:45,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915455097] [2021-11-21 00:21:45,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:45,994 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:45,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:45,995 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:46,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-21 00:21:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:46,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:21:46,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:46,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:46,459 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 [2021-11-21 00:21:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:46,745 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:46,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915455097] [2021-11-21 00:21:46,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915455097] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:46,745 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:46,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-21 00:21:46,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238304018] [2021-11-21 00:21:46,746 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:46,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:21:46,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:46,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:21:46,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:21:46,746 INFO L87 Difference]: Start difference. First operand 1171 states and 1456 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) [2021-11-21 00:21:48,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:48,503 INFO L93 Difference]: Finished difference Result 1169 states and 1454 transitions. [2021-11-21 00:21:48,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:21:48,505 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 [2021-11-21 00:21:48,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:48,510 INFO L225 Difference]: With dead ends: 1169 [2021-11-21 00:21:48,510 INFO L226 Difference]: Without dead ends: 1169 [2021-11-21 00:21:48,510 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 [2021-11-21 00:21:48,510 INFO L933 BasicCegarLoop]: 552 mSDtfsCounter, 1754 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1759 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:48,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1759 Valid, 710 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 00:21:48,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2021-11-21 00:21:48,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1169. [2021-11-21 00:21:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 772 states have (on average 1.8238341968911918) internal successors, (1408), 1157 states have internal predecessors, (1408), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-21 00:21:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1454 transitions. [2021-11-21 00:21:48,532 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1454 transitions. Word has length 62 [2021-11-21 00:21:48,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:48,533 INFO L470 AbstractCegarLoop]: Abstraction has 1169 states and 1454 transitions. [2021-11-21 00:21:48,533 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) [2021-11-21 00:21:48,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1454 transitions. [2021-11-21 00:21:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 00:21:48,534 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:48,534 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] [2021-11-21 00:21:48,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:48,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:48,747 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr76REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:48,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:48,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1859054235, now seen corresponding path program 1 times [2021-11-21 00:21:48,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:48,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016792475] [2021-11-21 00:21:48,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:48,749 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:48,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:48,750 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:48,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-21 00:21:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:48,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 00:21:48,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:49,082 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 [2021-11-21 00:21:49,095 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 [2021-11-21 00:21:49,127 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 [2021-11-21 00:21:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:49,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:49,246 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:49,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016792475] [2021-11-21 00:21:49,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016792475] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:49,247 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:49,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-21 00:21:49,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590146855] [2021-11-21 00:21:49,247 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:49,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:21:49,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:49,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:21:49,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:21:49,248 INFO L87 Difference]: Start difference. First operand 1169 states and 1454 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 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) [2021-11-21 00:21:52,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:52,293 INFO L93 Difference]: Finished difference Result 1168 states and 1453 transitions. [2021-11-21 00:21:52,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:21:52,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 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 65 [2021-11-21 00:21:52,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:52,299 INFO L225 Difference]: With dead ends: 1168 [2021-11-21 00:21:52,299 INFO L226 Difference]: Without dead ends: 1168 [2021-11-21 00:21:52,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:21:52,300 INFO L933 BasicCegarLoop]: 965 mSDtfsCounter, 4 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2552 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:52,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 2552 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-21 00:21:52,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2021-11-21 00:21:52,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1168. [2021-11-21 00:21:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 772 states have (on average 1.822538860103627) internal successors, (1407), 1156 states have internal predecessors, (1407), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-21 00:21:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1453 transitions. [2021-11-21 00:21:52,322 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1453 transitions. Word has length 65 [2021-11-21 00:21:52,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:52,323 INFO L470 AbstractCegarLoop]: Abstraction has 1168 states and 1453 transitions. [2021-11-21 00:21:52,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 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) [2021-11-21 00:21:52,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1453 transitions. [2021-11-21 00:21:52,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 00:21:52,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:52,324 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:21:52,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-21 00:21:52,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:21:52,537 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr77REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:21:52,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:52,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1859054234, now seen corresponding path program 1 times [2021-11-21 00:21:52,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:21:52,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24842063] [2021-11-21 00:21:52,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:52,539 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:21:52,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:21:52,540 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:21:52,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-21 00:21:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:52,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:21:52,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:52,890 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 [2021-11-21 00:21:52,917 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 [2021-11-21 00:21:52,926 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 [2021-11-21 00:21:52,991 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 [2021-11-21 00:21:52,995 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 [2021-11-21 00:21:53,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:53,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:53,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:53,368 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:21:53,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24842063] [2021-11-21 00:21:53,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24842063] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:53,368 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:53,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-21 00:21:53,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855481927] [2021-11-21 00:21:53,368 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:53,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 00:21:53,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:21:53,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 00:21:53,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:21:53,370 INFO L87 Difference]: Start difference. First operand 1168 states and 1453 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 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) [2021-11-21 00:22:00,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:22:00,409 INFO L93 Difference]: Finished difference Result 1167 states and 1452 transitions. [2021-11-21 00:22:00,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:22:00,411 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 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 65 [2021-11-21 00:22:00,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:22:00,417 INFO L225 Difference]: With dead ends: 1167 [2021-11-21 00:22:00,417 INFO L226 Difference]: Without dead ends: 1167 [2021-11-21 00:22:00,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 00:22:00,418 INFO L933 BasicCegarLoop]: 965 mSDtfsCounter, 4 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2583 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:22:00,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 2583 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-11-21 00:22:00,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2021-11-21 00:22:00,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1167. [2021-11-21 00:22:00,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 771 states have (on average 1.8236057068741893) internal successors, (1406), 1155 states have internal predecessors, (1406), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-21 00:22:00,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1452 transitions. [2021-11-21 00:22:00,442 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1452 transitions. Word has length 65 [2021-11-21 00:22:00,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:22:00,443 INFO L470 AbstractCegarLoop]: Abstraction has 1167 states and 1452 transitions. [2021-11-21 00:22:00,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 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) [2021-11-21 00:22:00,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1452 transitions. [2021-11-21 00:22:00,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-21 00:22:00,444 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:22:00,444 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, 1, 1] [2021-11-21 00:22:00,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-11-21 00:22:00,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:22:00,657 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:22:00,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:22:00,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1441347596, now seen corresponding path program 1 times [2021-11-21 00:22:00,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:22:00,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629156129] [2021-11-21 00:22:00,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:22:00,659 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:22:00,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:22:00,660 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:22:00,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-21 00:22:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:22:00,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:22:00,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:22:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:01,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:22:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:01,190 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:22:01,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629156129] [2021-11-21 00:22:01,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1629156129] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:22:01,190 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:22:01,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-21 00:22:01,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087077744] [2021-11-21 00:22:01,190 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:22:01,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:22:01,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:22:01,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:22:01,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:22:01,192 INFO L87 Difference]: Start difference. First operand 1167 states and 1452 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:22:01,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:22:01,289 INFO L93 Difference]: Finished difference Result 1177 states and 1465 transitions. [2021-11-21 00:22:01,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:22:01,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 73 [2021-11-21 00:22:01,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:22:01,297 INFO L225 Difference]: With dead ends: 1177 [2021-11-21 00:22:01,297 INFO L226 Difference]: Without dead ends: 1177 [2021-11-21 00:22:01,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:22:01,298 INFO L933 BasicCegarLoop]: 965 mSDtfsCounter, 11 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1930 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:22:01,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 1930 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:22:01,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2021-11-21 00:22:01,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1177. [2021-11-21 00:22:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 779 states have (on average 1.8202824133504494) internal successors, (1418), 1164 states have internal predecessors, (1418), 23 states have call successors, (23), 4 states have call predecessors, (23), 5 states have return successors, (24), 9 states have call predecessors, (24), 23 states have call successors, (24) [2021-11-21 00:22:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1465 transitions. [2021-11-21 00:22:01,327 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1465 transitions. Word has length 73 [2021-11-21 00:22:01,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:22:01,327 INFO L470 AbstractCegarLoop]: Abstraction has 1177 states and 1465 transitions. [2021-11-21 00:22:01,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:22:01,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1465 transitions. [2021-11-21 00:22:01,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 00:22:01,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:22:01,328 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, 1, 1] [2021-11-21 00:22:01,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-21 00:22:01,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:22:01,529 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:22:01,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:22:01,529 INFO L85 PathProgramCache]: Analyzing trace with hash 954167724, now seen corresponding path program 1 times [2021-11-21 00:22:01,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:22:01,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16095812] [2021-11-21 00:22:01,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:22:01,530 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:22:01,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:22:01,532 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:22:01,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-21 00:22:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:22:01,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:22:01,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:22:01,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:01,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:22:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:02,253 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:22:02,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16095812] [2021-11-21 00:22:02,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16095812] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:22:02,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1967734301] [2021-11-21 00:22:02,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:22:02,254 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-21 00:22:02,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-21 00:22:02,257 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-21 00:22:02,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-11-21 00:22:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:22:02,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:22:02,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:22:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:02,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:22:02,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:02,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1967734301] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:22:02,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778788347] [2021-11-21 00:22:02,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:22:02,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:22:02,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:22:02,834 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:22:02,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-21 00:22:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:22:02,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 00:22:03,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:22:03,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:03,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:22:03,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:03,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778788347] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:22:03,453 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-21 00:22:03,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 14 [2021-11-21 00:22:03,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684865794] [2021-11-21 00:22:03,454 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-21 00:22:03,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 00:22:03,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:22:03,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 00:22:03,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2021-11-21 00:22:03,456 INFO L87 Difference]: Start difference. First operand 1177 states and 1465 transitions. Second operand has 14 states, 14 states have (on average 6.0) internal successors, (84), 14 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-21 00:22:03,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:22:03,965 INFO L93 Difference]: Finished difference Result 1191 states and 1482 transitions. [2021-11-21 00:22:03,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-21 00:22:03,967 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.0) internal successors, (84), 14 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 75 [2021-11-21 00:22:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:22:03,973 INFO L225 Difference]: With dead ends: 1191 [2021-11-21 00:22:03,974 INFO L226 Difference]: Without dead ends: 1185 [2021-11-21 00:22:03,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=188, Invalid=318, Unknown=0, NotChecked=0, Total=506 [2021-11-21 00:22:03,975 INFO L933 BasicCegarLoop]: 966 mSDtfsCounter, 27 mSDsluCounter, 7684 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 8650 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:22:03,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 8650 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 00:22:03,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2021-11-21 00:22:03,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1183. [2021-11-21 00:22:03,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 785 states have (on average 1.8152866242038217) internal successors, (1425), 1170 states have internal predecessors, (1425), 23 states have call successors, (23), 4 states have call predecessors, (23), 5 states have return successors, (24), 9 states have call predecessors, (24), 23 states have call successors, (24) [2021-11-21 00:22:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1472 transitions. [2021-11-21 00:22:04,002 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1472 transitions. Word has length 75 [2021-11-21 00:22:04,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:22:04,002 INFO L470 AbstractCegarLoop]: Abstraction has 1183 states and 1472 transitions. [2021-11-21 00:22:04,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.0) internal successors, (84), 14 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-21 00:22:04,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1472 transitions. [2021-11-21 00:22:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-21 00:22:04,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:22:04,004 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, 1, 1] [2021-11-21 00:22:04,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-21 00:22:04,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-11-21 00:22:04,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-21 00:22:04,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:22:04,624 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 532 more)] === [2021-11-21 00:22:04,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:22:04,624 INFO L85 PathProgramCache]: Analyzing trace with hash -617730836, now seen corresponding path program 2 times [2021-11-21 00:22:04,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:22:04,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1010740566] [2021-11-21 00:22:04,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-21 00:22:04,625 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:22:04,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:22:04,626 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:22:04,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-21 00:22:04,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-21 00:22:04,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:22:04,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 00:22:04,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:22:05,220 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:05,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:22:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:05,743 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:22:05,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1010740566] [2021-11-21 00:22:05,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1010740566] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:22:05,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2101890207] [2021-11-21 00:22:05,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-21 00:22:05,744 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-21 00:22:05,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-21 00:22:05,745 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-21 00:22:05,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2021-11-21 00:22:06,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-21 00:22:06,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:22:06,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 00:22:06,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:22:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:06,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:22:06,988 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:06,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2101890207] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:22:06,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646364193] [2021-11-21 00:22:06,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-21 00:22:06,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:22:06,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:22:06,996 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:22:07,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a3f9a9-6ac8-44fc-9a2c-92b37438d5b3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-21 00:22:28,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-21 00:22:28,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:22:28,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 00:22:28,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:22:28,038 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 [2021-11-21 00:22:28,269 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:22:28,270 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 13 treesize of output 13 [2021-11-21 00:22:28,318 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 18 treesize of output 14 [2021-11-21 00:24:19,635 WARN L227 SmtUtils]: Spent 25.46s on a formula simplification. DAG size of input: 114 DAG size of output: 34 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:24:19,636 INFO L354 Elim1Store]: treesize reduction 884, result has 5.9 percent of original size [2021-11-21 00:24:19,636 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 81 [2021-11-21 00:24:20,263 INFO L354 Elim1Store]: treesize reduction 276, result has 0.4 percent of original size [2021-11-21 00:24:20,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 127 treesize of output 40 [2021-11-21 00:24:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 15 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:24:20,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:24:22,218 INFO L354 Elim1Store]: treesize reduction 5, result has 89.8 percent of original size [2021-11-21 00:24:22,218 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 66 treesize of output 65 [2021-11-21 00:29:24,113 INFO L354 Elim1Store]: treesize reduction 5, result has 89.8 percent of original size [2021-11-21 00:29:24,113 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 115 treesize of output 114 [2021-11-21 00:29:27,365 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_116| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_118| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_112| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_114| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_120| (_ BitVec 32)) (|#Ultimate.C_memset_#ptr.offset| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_120|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_118|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_116|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_114|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)) |c_#Ultimate.C_memset_#ptr.base|))) is different from false [2021-11-21 00:29:35,777 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 21 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:35,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646364193] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:29:35,778 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-21 00:29:35,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 10, 15, 15] total 45 [2021-11-21 00:29:35,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727583930] [2021-11-21 00:29:35,778 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-21 00:29:35,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-11-21 00:29:35,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:29:35,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-11-21 00:29:35,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1541, Unknown=177, NotChecked=84, Total=1980 [2021-11-21 00:29:35,781 INFO L87 Difference]: Start difference. First operand 1183 states and 1472 transitions. Second operand has 45 states, 43 states have (on average 5.372093023255814) internal successors, (231), 43 states have internal predecessors, (231), 3 states have call successors, (3), 3 states have call predecessors, (3), 4 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-21 00:29:40,845 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_116| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_118| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_112| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_114| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_120| (_ BitVec 32)) (|#Ultimate.C_memset_#ptr.offset| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_120|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_118|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_116|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_114|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)) |c_#Ultimate.C_memset_#ptr.base|))) (= |c_old(#memory_$Pointer$.base)| |c_#memory_$Pointer$.base|)) is different from false [2021-11-21 00:30:03,430 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_83|) (_ bv0 32))) |c_#memory_$Pointer$.base|)) (= (_ bv1 32) |c_#Ultimate.C_memset_#t~loopctr235|) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_112| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_114| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))) is different from false [2021-11-21 00:30:41,768 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_112| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))))))) (= (_ bv2 32) |c_#Ultimate.C_memset_#t~loopctr235|) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_83|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_84|) (_ bv0 32))) |c_#memory_$Pointer$.base|))) is different from false [2021-11-21 00:31:39,664 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_83| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_86| (_ BitVec 32))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_83|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_84|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_85|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_86|) (_ bv0 32))))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_112| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_114| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (= (_ bv4 32) |c_#Ultimate.C_memset_#t~loopctr235|) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))) is different from false [2021-11-21 00:31:54,946 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_116| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_112| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_114| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_116|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (= (_ bv6 32) |c_#Ultimate.C_memset_#t~loopctr235|) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_112| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))))))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_116| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_118| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_112| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_114| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_118|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_116|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_83| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_88| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_87| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_86| (_ BitVec 32)) (|#Ultimate.C_memset_#ptr.offset| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_83|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_84|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_85|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_86|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_87|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_88|) (_ bv0 32))) |c_#memory_$Pointer$.base|))) is different from false [2021-11-21 00:31:57,169 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (not (= |c_#Ultimate.C_memset_#amount| (_ bv44 32))))) (and (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_116| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_112| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_114| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_116|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (or .cse0 (bvult (bvadd (_ bv1 32) |c_#Ultimate.C_memset_#t~loopctr235|) |c_#Ultimate.C_memset_#amount|)) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_112| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_114| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (or .cse0 (bvult (bvadd (_ bv4 32) |c_#Ultimate.C_memset_#t~loopctr235|) |c_#Ultimate.C_memset_#amount|)) (or .cse0 (bvult (bvadd (_ bv3 32) |c_#Ultimate.C_memset_#t~loopctr235|) |c_#Ultimate.C_memset_#amount|)) (or .cse0 (bvult |c_#Ultimate.C_memset_#t~loopctr235| |c_#Ultimate.C_memset_#amount|)) (or .cse0 (bvult (bvadd (_ bv2 32) |c_#Ultimate.C_memset_#t~loopctr235|) |c_#Ultimate.C_memset_#amount|)))) is different from false [2021-11-21 00:33:11,886 WARN L227 SmtUtils]: Spent 12.12s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-21 00:33:13,900 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (not (= |c_#Ultimate.C_memset_#amount| (_ bv44 32))))) (and (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_112| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))))))) (or .cse0 (bvult (bvadd (_ bv1 32) |c_#Ultimate.C_memset_#t~loopctr235|) |c_#Ultimate.C_memset_#amount|)) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr235| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_112| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_114| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr235|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr235_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr235_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_108| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr235_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_108|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_104|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr235_103|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (or .cse0 (bvult (bvadd (_ bv3 32) |c_#Ultimate.C_memset_#t~loopctr235|) |c_#Ultimate.C_memset_#amount|)) (or .cse0 (bvult |c_#Ultimate.C_memset_#t~loopctr235| |c_#Ultimate.C_memset_#amount|)) (or .cse0 (bvult (bvadd (_ bv2 32) |c_#Ultimate.C_memset_#t~loopctr235|) |c_#Ultimate.C_memset_#amount|)))) is different from false