./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:35:32,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:35:32,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:35:32,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:35:32,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:35:32,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:35:32,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:35:32,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:35:32,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:35:32,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:35:32,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:35:32,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:35:32,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:35:32,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:35:32,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:35:32,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:35:32,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:35:32,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:35:32,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:35:32,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:35:32,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:35:32,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:35:32,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:35:32,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:35:32,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:35:32,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:35:32,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:35:32,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:35:32,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:35:32,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:35:32,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:35:32,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:35:32,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:35:32,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:35:32,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:35:32,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:35:32,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:35:32,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:35:32,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:35:32,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:35:32,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:35:32,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-23 12:35:32,578 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:35:32,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:35:32,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:35:32,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:35:32,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:35:32,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:35:32,581 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:35:32,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:35:32,581 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:35:32,582 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:35:32,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:35:32,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:35:32,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:35:32,583 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 12:35:32,583 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 12:35:32,583 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 12:35:32,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:35:32,583 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 12:35:32,584 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:35:32,584 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:35:32,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:35:32,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:35:32,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:35:32,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:35:32,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:35:32,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:35:32,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:35:32,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 12:35:32,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:35:32,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2021-11-23 12:35:32,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:35:32,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:35:32,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:35:32,875 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:35:32,876 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:35:32,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2021-11-23 12:35:32,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/data/520ea07eb/d7feab5e01044cceab6f0bc0580054c0/FLAG8f1962610 [2021-11-23 12:35:33,716 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:35:33,720 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2021-11-23 12:35:33,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/data/520ea07eb/d7feab5e01044cceab6f0bc0580054c0/FLAG8f1962610 [2021-11-23 12:35:33,805 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/data/520ea07eb/d7feab5e01044cceab6f0bc0580054c0 [2021-11-23 12:35:33,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:35:33,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:35:33,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:35:33,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:35:33,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:35:33,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:33" (1/1) ... [2021-11-23 12:35:33,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3602247a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:33, skipping insertion in model container [2021-11-23 12:35:33,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:33" (1/1) ... [2021-11-23 12:35:33,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:35:33,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:35:34,468 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_a49617b9-3bab-469b-b3a5-01e15fc83549/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[33021,33034] [2021-11-23 12:35:34,785 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_a49617b9-3bab-469b-b3a5-01e15fc83549/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[84583,84596] [2021-11-23 12:35:34,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:35:34,825 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) [2021-11-23 12:35:34,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7bf0c097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34, skipping insertion in model container [2021-11-23 12:35:34,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:35:34,827 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 12:35:34,829 INFO L158 Benchmark]: Toolchain (without parser) took 1019.01ms. Allocated memory is still 107.0MB. Free memory was 62.7MB in the beginning and 58.2MB in the end (delta: 4.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 12:35:34,830 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory was 84.3MB in the beginning and 84.2MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:35:34,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1014.75ms. Allocated memory is still 107.0MB. Free memory was 62.5MB in the beginning and 58.2MB in the end (delta: 4.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-23 12:35:34,836 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory was 84.3MB in the beginning and 84.2MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1014.75ms. Allocated memory is still 107.0MB. Free memory was 62.5MB in the beginning and 58.2MB in the end (delta: 4.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2221]: 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_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:35:37,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:35:37,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:35:37,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:35:37,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:35:37,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:35:37,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:35:37,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:35:37,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:35:37,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:35:37,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:35:37,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:35:37,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:35:37,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:35:37,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:35:37,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:35:37,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:35:37,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:35:37,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:35:37,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:35:37,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:35:37,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:35:37,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:35:37,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:35:37,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:35:37,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:35:37,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:35:37,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:35:37,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:35:37,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:35:37,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:35:37,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:35:37,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:35:37,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:35:37,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:35:37,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:35:37,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:35:37,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:35:37,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:35:37,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:35:37,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:35:37,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-23 12:35:37,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:35:37,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:35:37,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:35:37,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:35:37,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:35:37,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:35:37,305 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:35:37,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:35:37,306 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:35:37,306 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:35:37,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:35:37,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:35:37,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:35:37,308 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 12:35:37,308 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 12:35:37,308 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 12:35:37,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:35:37,309 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 12:35:37,309 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 12:35:37,309 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 12:35:37,310 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:35:37,310 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:35:37,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:35:37,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:35:37,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:35:37,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:35:37,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:35:37,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:35:37,312 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-23 12:35:37,312 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 12:35:37,312 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:35:37,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 12:35:37,313 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_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2021-11-23 12:35:37,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:35:37,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:35:37,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:35:37,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:35:37,694 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:35:37,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2021-11-23 12:35:37,787 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/data/7db33344b/2eff5f75876c44c7adaa68d859e4ae0d/FLAGc95aa5383 [2021-11-23 12:35:38,543 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:35:38,546 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2021-11-23 12:35:38,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/data/7db33344b/2eff5f75876c44c7adaa68d859e4ae0d/FLAGc95aa5383 [2021-11-23 12:35:38,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/data/7db33344b/2eff5f75876c44c7adaa68d859e4ae0d [2021-11-23 12:35:38,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:35:38,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:35:38,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:35:38,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:35:38,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:35:38,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:38" (1/1) ... [2021-11-23 12:35:38,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fea609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:38, skipping insertion in model container [2021-11-23 12:35:38,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:38" (1/1) ... [2021-11-23 12:35:38,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:35:38,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:35:39,254 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_a49617b9-3bab-469b-b3a5-01e15fc83549/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[33021,33034] [2021-11-23 12:35:39,568 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_a49617b9-3bab-469b-b3a5-01e15fc83549/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[84583,84596] [2021-11-23 12:35:39,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:35:39,598 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 12:35:39,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:35:39,674 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_a49617b9-3bab-469b-b3a5-01e15fc83549/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[33021,33034] [2021-11-23 12:35:39,842 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_a49617b9-3bab-469b-b3a5-01e15fc83549/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[84583,84596] [2021-11-23 12:35:39,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:35:39,856 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:35:39,893 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_a49617b9-3bab-469b-b3a5-01e15fc83549/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[33021,33034] [2021-11-23 12:35:40,016 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_a49617b9-3bab-469b-b3a5-01e15fc83549/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[84583,84596] [2021-11-23 12:35:40,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:35:40,094 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:35:40,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:40 WrapperNode [2021-11-23 12:35:40,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:35:40,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:35:40,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:35:40,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:35:40,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:40" (1/1) ... [2021-11-23 12:35:40,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:40" (1/1) ... [2021-11-23 12:35:40,376 INFO L137 Inliner]: procedures = 180, calls = 781, calls flagged for inlining = 506, calls inlined = 506, statements flattened = 4549 [2021-11-23 12:35:40,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:35:40,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:35:40,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:35:40,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:35:40,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:40" (1/1) ... [2021-11-23 12:35:40,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:40" (1/1) ... [2021-11-23 12:35:40,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:40" (1/1) ... [2021-11-23 12:35:40,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:40" (1/1) ... [2021-11-23 12:35:40,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:40" (1/1) ... [2021-11-23 12:35:40,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:40" (1/1) ... [2021-11-23 12:35:40,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:40" (1/1) ... [2021-11-23 12:35:40,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:35:40,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:35:40,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:35:40,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:35:40,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:40" (1/1) ... [2021-11-23 12:35:40,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:35:40,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:35:40,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 12:35:40,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 12:35:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 12:35:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 12:35:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 12:35:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:35:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 12:35:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 12:35:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 12:35:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 12:35:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:35:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 12:35:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 12:35:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:35:40,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:35:41,071 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:35:41,073 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:35:48,504 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:35:48,530 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:35:48,530 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-23 12:35:48,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:48 BoogieIcfgContainer [2021-11-23 12:35:48,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:35:48,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 12:35:48,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 12:35:48,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 12:35:48,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:35:38" (1/3) ... [2021-11-23 12:35:48,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5081c266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:35:48, skipping insertion in model container [2021-11-23 12:35:48,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:40" (2/3) ... [2021-11-23 12:35:48,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5081c266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:35:48, skipping insertion in model container [2021-11-23 12:35:48,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:48" (3/3) ... [2021-11-23 12:35:48,592 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-2.i [2021-11-23 12:35:48,598 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 12:35:48,598 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1035 error locations. [2021-11-23 12:35:48,650 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 12:35:48,661 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 [2021-11-23 12:35:48,663 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1035 error locations. [2021-11-23 12:35:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 3569 states, 2533 states have (on average 1.8535333596525858) internal successors, (4695), 3568 states have internal predecessors, (4695), 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) [2021-11-23 12:35:48,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 12:35:48,754 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:35:48,755 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 12:35:48,755 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:35:48,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:35:48,761 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-11-23 12:35:48,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:35:48,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425343132] [2021-11-23 12:35:48,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:35:48,774 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:35:48,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:35:48,777 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:35:48,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 12:35:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:35:48,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:35:48,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:35:49,080 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 [2021-11-23 12:35:49,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:35:49,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:35:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:35:49,112 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:35:49,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425343132] [2021-11-23 12:35:49,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425343132] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:35:49,113 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:35:49,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 12:35:49,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263783701] [2021-11-23 12:35:49,116 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:35:49,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:35:49,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:35:49,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:35:49,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:35:49,158 INFO L87 Difference]: Start difference. First operand has 3569 states, 2533 states have (on average 1.8535333596525858) internal successors, (4695), 3568 states have internal predecessors, (4695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:35:51,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:35:51,248 INFO L93 Difference]: Finished difference Result 3733 states and 4300 transitions. [2021-11-23 12:35:51,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:35:51,251 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 [2021-11-23 12:35:51,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:35:51,288 INFO L225 Difference]: With dead ends: 3733 [2021-11-23 12:35:51,288 INFO L226 Difference]: Without dead ends: 3731 [2021-11-23 12:35:51,290 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 [2021-11-23 12:35:51,293 INFO L933 BasicCegarLoop]: 3629 mSDtfsCounter, 4000 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4000 SdHoareTripleChecker+Valid, 3769 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 12:35:51,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4000 Valid, 3769 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 12:35:51,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2021-11-23 12:35:51,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 3553. [2021-11-23 12:35:51,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3553 states, 2533 states have (on average 1.6233714962495065) internal successors, (4112), 3552 states have internal predecessors, (4112), 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) [2021-11-23 12:35:51,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 3553 states and 4112 transitions. [2021-11-23 12:35:51,514 INFO L78 Accepts]: Start accepts. Automaton has 3553 states and 4112 transitions. Word has length 3 [2021-11-23 12:35:51,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:35:51,514 INFO L470 AbstractCegarLoop]: Abstraction has 3553 states and 4112 transitions. [2021-11-23 12:35:51,515 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) [2021-11-23 12:35:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 3553 states and 4112 transitions. [2021-11-23 12:35:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 12:35:51,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:35:51,515 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 12:35:51,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 12:35:51,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:35:51,742 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:35:51,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:35:51,743 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-23 12:35:51,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:35:51,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196650433] [2021-11-23 12:35:51,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:35:51,746 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:35:51,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:35:51,747 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:35:51,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 12:35:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:35:51,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:35:51,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:35:51,878 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 [2021-11-23 12:35:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:35:51,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:35:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:35:51,942 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:35:51,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196650433] [2021-11-23 12:35:51,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196650433] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:35:51,946 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:35:51,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-23 12:35:51,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374321140] [2021-11-23 12:35:51,949 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:35:51,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:35:51,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:35:51,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:35:51,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:35:51,953 INFO L87 Difference]: Start difference. First operand 3553 states and 4112 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) [2021-11-23 12:35:57,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:35:57,157 INFO L93 Difference]: Finished difference Result 6536 states and 7630 transitions. [2021-11-23 12:35:57,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:35:57,158 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 [2021-11-23 12:35:57,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:35:57,194 INFO L225 Difference]: With dead ends: 6536 [2021-11-23 12:35:57,195 INFO L226 Difference]: Without dead ends: 6536 [2021-11-23 12:35:57,195 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 [2021-11-23 12:35:57,197 INFO L933 BasicCegarLoop]: 3775 mSDtfsCounter, 7167 mSDsluCounter, 3793 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7167 SdHoareTripleChecker+Valid, 7568 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:35:57,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7167 Valid, 7568 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-23 12:35:57,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2021-11-23 12:35:57,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 3588. [2021-11-23 12:35:57,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3588 states, 2577 states have (on average 1.6263096623981375) internal successors, (4191), 3587 states have internal predecessors, (4191), 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) [2021-11-23 12:35:57,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3588 states to 3588 states and 4191 transitions. [2021-11-23 12:35:57,298 INFO L78 Accepts]: Start accepts. Automaton has 3588 states and 4191 transitions. Word has length 3 [2021-11-23 12:35:57,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:35:57,298 INFO L470 AbstractCegarLoop]: Abstraction has 3588 states and 4191 transitions. [2021-11-23 12:35:57,298 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) [2021-11-23 12:35:57,299 INFO L276 IsEmpty]: Start isEmpty. Operand 3588 states and 4191 transitions. [2021-11-23 12:35:57,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 12:35:57,299 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:35:57,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:35:57,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 12:35:57,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:35:57,510 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:35:57,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:35:57,510 INFO L85 PathProgramCache]: Analyzing trace with hash 62249618, now seen corresponding path program 1 times [2021-11-23 12:35:57,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:35:57,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514091733] [2021-11-23 12:35:57,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:35:57,515 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:35:57,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:35:57,516 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:35:57,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 12:35:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:35:57,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:35:57,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:35:57,660 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 [2021-11-23 12:35:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:35:57,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:35:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:35:57,707 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:35:57,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514091733] [2021-11-23 12:35:57,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514091733] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:35:57,707 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:35:57,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 12:35:57,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798271100] [2021-11-23 12:35:57,708 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:35:57,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:35:57,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:35:57,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:35:57,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:35:57,711 INFO L87 Difference]: Start difference. First operand 3588 states and 4191 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) [2021-11-23 12:35:59,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:35:59,798 INFO L93 Difference]: Finished difference Result 6255 states and 7375 transitions. [2021-11-23 12:35:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:35:59,799 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 [2021-11-23 12:35:59,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:35:59,834 INFO L225 Difference]: With dead ends: 6255 [2021-11-23 12:35:59,834 INFO L226 Difference]: Without dead ends: 6255 [2021-11-23 12:35:59,835 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 [2021-11-23 12:35:59,838 INFO L933 BasicCegarLoop]: 6861 mSDtfsCounter, 3821 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3821 SdHoareTripleChecker+Valid, 10110 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:35:59,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3821 Valid, 10110 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 12:35:59,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6255 states. [2021-11-23 12:35:59,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6255 to 3541. [2021-11-23 12:35:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3541 states, 2577 states have (on average 1.606907256499806) internal successors, (4141), 3540 states have internal predecessors, (4141), 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) [2021-11-23 12:35:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4141 transitions. [2021-11-23 12:35:59,968 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4141 transitions. Word has length 8 [2021-11-23 12:35:59,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:35:59,969 INFO L470 AbstractCegarLoop]: Abstraction has 3541 states and 4141 transitions. [2021-11-23 12:35:59,969 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) [2021-11-23 12:35:59,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4141 transitions. [2021-11-23 12:35:59,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 12:35:59,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:35:59,970 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:35:59,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:00,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:00,184 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:00,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:00,185 INFO L85 PathProgramCache]: Analyzing trace with hash 62249619, now seen corresponding path program 1 times [2021-11-23 12:36:00,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:00,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593776680] [2021-11-23 12:36:00,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:00,185 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:00,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:00,187 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:00,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 12:36:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:00,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:36:00,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:00,338 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 [2021-11-23 12:36:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:00,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:00,461 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:00,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593776680] [2021-11-23 12:36:00,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593776680] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:00,462 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:00,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-23 12:36:00,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242088819] [2021-11-23 12:36:00,462 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:00,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:36:00,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:00,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:36:00,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:36:00,463 INFO L87 Difference]: Start difference. First operand 3541 states and 4141 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) [2021-11-23 12:36:04,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:04,632 INFO L93 Difference]: Finished difference Result 6285 states and 7369 transitions. [2021-11-23 12:36:04,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:36:04,633 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 [2021-11-23 12:36:04,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:04,664 INFO L225 Difference]: With dead ends: 6285 [2021-11-23 12:36:04,664 INFO L226 Difference]: Without dead ends: 6285 [2021-11-23 12:36:04,664 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 [2021-11-23 12:36:04,667 INFO L933 BasicCegarLoop]: 7026 mSDtfsCounter, 3537 mSDsluCounter, 6824 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3537 SdHoareTripleChecker+Valid, 13850 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:04,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3537 Valid, 13850 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-23 12:36:04,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6285 states. [2021-11-23 12:36:04,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6285 to 3531. [2021-11-23 12:36:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3531 states, 2577 states have (on average 1.6018626309662398) internal successors, (4128), 3530 states have internal predecessors, (4128), 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) [2021-11-23 12:36:04,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3531 states to 3531 states and 4128 transitions. [2021-11-23 12:36:04,772 INFO L78 Accepts]: Start accepts. Automaton has 3531 states and 4128 transitions. Word has length 8 [2021-11-23 12:36:04,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:04,773 INFO L470 AbstractCegarLoop]: Abstraction has 3531 states and 4128 transitions. [2021-11-23 12:36:04,775 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) [2021-11-23 12:36:04,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3531 states and 4128 transitions. [2021-11-23 12:36:04,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 12:36:04,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:04,776 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:36:04,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-23 12:36:04,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:04,984 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr929REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:04,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:04,985 INFO L85 PathProgramCache]: Analyzing trace with hash -938869684, now seen corresponding path program 1 times [2021-11-23 12:36:04,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:04,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073563930] [2021-11-23 12:36:04,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:04,985 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:04,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:04,986 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:04,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 12:36:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:05,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:36:05,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:05,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:05,298 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:05,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073563930] [2021-11-23 12:36:05,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073563930] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:05,299 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:05,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 12:36:05,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896303481] [2021-11-23 12:36:05,299 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:05,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:36:05,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:05,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:36:05,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:36:05,300 INFO L87 Difference]: Start difference. First operand 3531 states and 4128 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:05,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:05,675 INFO L93 Difference]: Finished difference Result 6494 states and 7625 transitions. [2021-11-23 12:36:05,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:36:05,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-23 12:36:05,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:05,726 INFO L225 Difference]: With dead ends: 6494 [2021-11-23 12:36:05,726 INFO L226 Difference]: Without dead ends: 6494 [2021-11-23 12:36:05,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:36:05,727 INFO L933 BasicCegarLoop]: 4107 mSDtfsCounter, 3570 mSDsluCounter, 3880 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3570 SdHoareTripleChecker+Valid, 7987 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:05,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3570 Valid, 7987 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 12:36:05,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6494 states. [2021-11-23 12:36:05,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6494 to 5201. [2021-11-23 12:36:05,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5201 states, 4247 states have (on average 1.629385448551919) internal successors, (6920), 5200 states have internal predecessors, (6920), 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) [2021-11-23 12:36:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5201 states to 5201 states and 6920 transitions. [2021-11-23 12:36:05,861 INFO L78 Accepts]: Start accepts. Automaton has 5201 states and 6920 transitions. Word has length 11 [2021-11-23 12:36:05,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:05,861 INFO L470 AbstractCegarLoop]: Abstraction has 5201 states and 6920 transitions. [2021-11-23 12:36:05,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:05,861 INFO L276 IsEmpty]: Start isEmpty. Operand 5201 states and 6920 transitions. [2021-11-23 12:36:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 12:36:05,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:05,862 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:36:05,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:06,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:06,073 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr340REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:06,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:06,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1258779124, now seen corresponding path program 1 times [2021-11-23 12:36:06,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:06,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912965418] [2021-11-23 12:36:06,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:06,075 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:06,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:06,076 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:06,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 12:36:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:06,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:36:06,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:06,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:06,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:06,285 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:06,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912965418] [2021-11-23 12:36:06,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912965418] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:06,285 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:06,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-23 12:36:06,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465007607] [2021-11-23 12:36:06,286 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:06,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:36:06,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:06,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:36:06,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:36:06,287 INFO L87 Difference]: Start difference. First operand 5201 states and 6920 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:06,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:06,360 INFO L93 Difference]: Finished difference Result 5355 states and 7060 transitions. [2021-11-23 12:36:06,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:36:06,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-23 12:36:06,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:06,371 INFO L225 Difference]: With dead ends: 5355 [2021-11-23 12:36:06,372 INFO L226 Difference]: Without dead ends: 5355 [2021-11-23 12:36:06,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:36:06,373 INFO L933 BasicCegarLoop]: 4203 mSDtfsCounter, 3394 mSDsluCounter, 1636 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3394 SdHoareTripleChecker+Valid, 5839 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 [2021-11-23 12:36:06,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3394 Valid, 5839 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:36:06,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5355 states. [2021-11-23 12:36:06,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5355 to 5141. [2021-11-23 12:36:06,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5141 states, 4211 states have (on average 1.6228924246022323) internal successors, (6834), 5140 states have internal predecessors, (6834), 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) [2021-11-23 12:36:06,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 6834 transitions. [2021-11-23 12:36:06,509 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 6834 transitions. Word has length 13 [2021-11-23 12:36:06,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:06,510 INFO L470 AbstractCegarLoop]: Abstraction has 5141 states and 6834 transitions. [2021-11-23 12:36:06,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:06,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 6834 transitions. [2021-11-23 12:36:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 12:36:06,512 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:06,512 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:36:06,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:06,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:06,724 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1034ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:06,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:06,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1025651543, now seen corresponding path program 1 times [2021-11-23 12:36:06,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:06,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630457020] [2021-11-23 12:36:06,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:06,725 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:06,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:06,726 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:06,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-23 12:36:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:06,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:36:06,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:06,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:36:06,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:36:06,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:36:06,960 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-23 12:36:06,961 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 [2021-11-23 12:36:07,021 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-23 12:36:07,021 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 [2021-11-23 12:36:07,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:07,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:07,119 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:07,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630457020] [2021-11-23 12:36:07,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630457020] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:07,119 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:07,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-23 12:36:07,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412909534] [2021-11-23 12:36:07,119 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:07,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:36:07,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:07,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:36:07,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:36:07,120 INFO L87 Difference]: Start difference. First operand 5141 states and 6834 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:09,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:09,052 INFO L93 Difference]: Finished difference Result 9458 states and 12682 transitions. [2021-11-23 12:36:09,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:36:09,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-23 12:36:09,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:09,069 INFO L225 Difference]: With dead ends: 9458 [2021-11-23 12:36:09,069 INFO L226 Difference]: Without dead ends: 9458 [2021-11-23 12:36:09,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:36:09,070 INFO L933 BasicCegarLoop]: 3960 mSDtfsCounter, 3332 mSDsluCounter, 15618 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3332 SdHoareTripleChecker+Valid, 19578 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:09,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3332 Valid, 19578 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 12:36:09,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9458 states. [2021-11-23 12:36:09,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9458 to 5140. [2021-11-23 12:36:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5140 states, 4210 states have (on average 1.6228028503562946) internal successors, (6832), 5139 states have internal predecessors, (6832), 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) [2021-11-23 12:36:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5140 states to 5140 states and 6832 transitions. [2021-11-23 12:36:09,170 INFO L78 Accepts]: Start accepts. Automaton has 5140 states and 6832 transitions. Word has length 14 [2021-11-23 12:36:09,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:09,170 INFO L470 AbstractCegarLoop]: Abstraction has 5140 states and 6832 transitions. [2021-11-23 12:36:09,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:09,171 INFO L276 IsEmpty]: Start isEmpty. Operand 5140 states and 6832 transitions. [2021-11-23 12:36:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 12:36:09,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:09,172 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:36:09,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:09,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:09,383 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:09,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:09,384 INFO L85 PathProgramCache]: Analyzing trace with hash -520774338, now seen corresponding path program 1 times [2021-11-23 12:36:09,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:09,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667733473] [2021-11-23 12:36:09,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:09,385 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:09,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:09,386 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:09,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-23 12:36:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:09,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:36:09,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:09,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:09,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:09,596 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:09,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1667733473] [2021-11-23 12:36:09,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1667733473] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:09,596 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:09,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-23 12:36:09,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826283265] [2021-11-23 12:36:09,597 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:09,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:36:09,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:09,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:36:09,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:36:09,598 INFO L87 Difference]: Start difference. First operand 5140 states and 6832 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) [2021-11-23 12:36:09,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:09,669 INFO L93 Difference]: Finished difference Result 5080 states and 6746 transitions. [2021-11-23 12:36:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:36:09,670 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 [2021-11-23 12:36:09,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:09,686 INFO L225 Difference]: With dead ends: 5080 [2021-11-23 12:36:09,686 INFO L226 Difference]: Without dead ends: 5080 [2021-11-23 12:36:09,686 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 [2021-11-23 12:36:09,687 INFO L933 BasicCegarLoop]: 3955 mSDtfsCounter, 7900 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7900 SdHoareTripleChecker+Valid, 3969 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:09,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7900 Valid, 3969 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:36:09,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5080 states. [2021-11-23 12:36:09,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5080 to 5080. [2021-11-23 12:36:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5080 states, 4174 states have (on average 1.6161954959271683) internal successors, (6746), 5079 states have internal predecessors, (6746), 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) [2021-11-23 12:36:09,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5080 states to 5080 states and 6746 transitions. [2021-11-23 12:36:09,762 INFO L78 Accepts]: Start accepts. Automaton has 5080 states and 6746 transitions. Word has length 18 [2021-11-23 12:36:09,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:09,762 INFO L470 AbstractCegarLoop]: Abstraction has 5080 states and 6746 transitions. [2021-11-23 12:36:09,763 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) [2021-11-23 12:36:09,763 INFO L276 IsEmpty]: Start isEmpty. Operand 5080 states and 6746 transitions. [2021-11-23 12:36:09,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 12:36:09,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:09,764 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] [2021-11-23 12:36:09,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:09,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:09,975 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:09,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:09,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2047030904, now seen corresponding path program 1 times [2021-11-23 12:36:09,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:09,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430917631] [2021-11-23 12:36:09,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:09,976 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:09,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:09,977 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:09,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-23 12:36:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:10,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:36:10,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:10,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:10,255 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:10,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430917631] [2021-11-23 12:36:10,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430917631] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:10,256 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:10,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-23 12:36:10,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611944302] [2021-11-23 12:36:10,256 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:10,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 12:36:10,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:10,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 12:36:10,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:36:10,258 INFO L87 Difference]: Start difference. First operand 5080 states and 6746 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) [2021-11-23 12:36:10,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:10,387 INFO L93 Difference]: Finished difference Result 5052 states and 6690 transitions. [2021-11-23 12:36:10,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:36:10,388 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 [2021-11-23 12:36:10,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:10,398 INFO L225 Difference]: With dead ends: 5052 [2021-11-23 12:36:10,398 INFO L226 Difference]: Without dead ends: 5052 [2021-11-23 12:36:10,399 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 [2021-11-23 12:36:10,401 INFO L933 BasicCegarLoop]: 3910 mSDtfsCounter, 3921 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3921 SdHoareTripleChecker+Valid, 7841 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:10,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3921 Valid, 7841 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:36:10,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5052 states. [2021-11-23 12:36:10,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5052 to 5050. [2021-11-23 12:36:10,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5050 states, 4158 states have (on average 1.6084656084656084) internal successors, (6688), 5049 states have internal predecessors, (6688), 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) [2021-11-23 12:36:10,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5050 states to 5050 states and 6688 transitions. [2021-11-23 12:36:10,478 INFO L78 Accepts]: Start accepts. Automaton has 5050 states and 6688 transitions. Word has length 20 [2021-11-23 12:36:10,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:10,478 INFO L470 AbstractCegarLoop]: Abstraction has 5050 states and 6688 transitions. [2021-11-23 12:36:10,478 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) [2021-11-23 12:36:10,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5050 states and 6688 transitions. [2021-11-23 12:36:10,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 12:36:10,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:10,480 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] [2021-11-23 12:36:10,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:10,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:10,691 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:10,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:10,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1406589690, now seen corresponding path program 1 times [2021-11-23 12:36:10,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:10,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2133746567] [2021-11-23 12:36:10,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:10,692 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:10,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:10,693 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:10,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-23 12:36:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:10,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:36:10,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:10,842 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 [2021-11-23 12:36:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:10,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:11,075 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:11,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2133746567] [2021-11-23 12:36:11,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2133746567] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:11,075 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:11,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 12:36:11,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262141387] [2021-11-23 12:36:11,076 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:11,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:36:11,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:11,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:36:11,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:36:11,077 INFO L87 Difference]: Start difference. First operand 5050 states and 6688 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) [2021-11-23 12:36:13,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:13,081 INFO L93 Difference]: Finished difference Result 9483 states and 12685 transitions. [2021-11-23 12:36:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:36:13,082 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 [2021-11-23 12:36:13,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:13,100 INFO L225 Difference]: With dead ends: 9483 [2021-11-23 12:36:13,100 INFO L226 Difference]: Without dead ends: 9483 [2021-11-23 12:36:13,101 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 [2021-11-23 12:36:13,101 INFO L933 BasicCegarLoop]: 3483 mSDtfsCounter, 7477 mSDsluCounter, 6499 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7477 SdHoareTripleChecker+Valid, 9982 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:13,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7477 Valid, 9982 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 12:36:13,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9483 states. [2021-11-23 12:36:13,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9483 to 5046. [2021-11-23 12:36:13,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5046 states, 4158 states have (on average 1.6065416065416065) internal successors, (6680), 5045 states have internal predecessors, (6680), 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) [2021-11-23 12:36:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5046 states to 5046 states and 6680 transitions. [2021-11-23 12:36:13,199 INFO L78 Accepts]: Start accepts. Automaton has 5046 states and 6680 transitions. Word has length 34 [2021-11-23 12:36:13,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:13,200 INFO L470 AbstractCegarLoop]: Abstraction has 5046 states and 6680 transitions. [2021-11-23 12:36:13,200 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) [2021-11-23 12:36:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 5046 states and 6680 transitions. [2021-11-23 12:36:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 12:36:13,201 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:13,201 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] [2021-11-23 12:36:13,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:13,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:13,413 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:13,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:13,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1406589689, now seen corresponding path program 1 times [2021-11-23 12:36:13,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:13,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083166878] [2021-11-23 12:36:13,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:13,414 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:13,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:13,414 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:13,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-23 12:36:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:13,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:36:13,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:13,546 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 [2021-11-23 12:36:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:13,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:14,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:14,268 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:14,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083166878] [2021-11-23 12:36:14,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083166878] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:14,269 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:14,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 12:36:14,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378083450] [2021-11-23 12:36:14,269 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:14,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:36:14,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:14,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:36:14,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:36:14,270 INFO L87 Difference]: Start difference. First operand 5046 states and 6680 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) [2021-11-23 12:36:20,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:20,971 INFO L93 Difference]: Finished difference Result 9537 states and 12702 transitions. [2021-11-23 12:36:20,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 12:36:20,972 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 [2021-11-23 12:36:20,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:20,982 INFO L225 Difference]: With dead ends: 9537 [2021-11-23 12:36:20,982 INFO L226 Difference]: Without dead ends: 9537 [2021-11-23 12:36:20,982 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 [2021-11-23 12:36:20,983 INFO L933 BasicCegarLoop]: 7126 mSDtfsCounter, 10357 mSDsluCounter, 10328 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10357 SdHoareTripleChecker+Valid, 17454 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:20,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10357 Valid, 17454 Invalid, 1610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-11-23 12:36:20,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9537 states. [2021-11-23 12:36:21,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9537 to 5042. [2021-11-23 12:36:21,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5042 states, 4158 states have (on average 1.6046176046176046) internal successors, (6672), 5041 states have internal predecessors, (6672), 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) [2021-11-23 12:36:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5042 states to 5042 states and 6672 transitions. [2021-11-23 12:36:21,078 INFO L78 Accepts]: Start accepts. Automaton has 5042 states and 6672 transitions. Word has length 34 [2021-11-23 12:36:21,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:21,079 INFO L470 AbstractCegarLoop]: Abstraction has 5042 states and 6672 transitions. [2021-11-23 12:36:21,079 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) [2021-11-23 12:36:21,079 INFO L276 IsEmpty]: Start isEmpty. Operand 5042 states and 6672 transitions. [2021-11-23 12:36:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 12:36:21,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:21,081 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:36:21,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:21,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:21,292 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:21,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:21,293 INFO L85 PathProgramCache]: Analyzing trace with hash -489765179, now seen corresponding path program 1 times [2021-11-23 12:36:21,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:21,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992680420] [2021-11-23 12:36:21,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:21,293 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:21,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:21,294 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:21,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-23 12:36:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:21,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:36:21,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:21,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:21,739 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:21,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992680420] [2021-11-23 12:36:21,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992680420] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:21,740 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:21,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-23 12:36:21,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783644680] [2021-11-23 12:36:21,740 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:21,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:36:21,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:21,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:36:21,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:36:21,741 INFO L87 Difference]: Start difference. First operand 5042 states and 6672 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:21,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:21,858 INFO L93 Difference]: Finished difference Result 5030 states and 6652 transitions. [2021-11-23 12:36:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:36:21,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-23 12:36:21,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:21,863 INFO L225 Difference]: With dead ends: 5030 [2021-11-23 12:36:21,863 INFO L226 Difference]: Without dead ends: 5030 [2021-11-23 12:36:21,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:36:21,864 INFO L933 BasicCegarLoop]: 3904 mSDtfsCounter, 3897 mSDsluCounter, 3901 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 7805 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:21,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3897 Valid, 7805 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:36:21,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5030 states. [2021-11-23 12:36:21,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5030 to 5030. [2021-11-23 12:36:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5030 states, 4146 states have (on average 1.6044380125422093) internal successors, (6652), 5029 states have internal predecessors, (6652), 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) [2021-11-23 12:36:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5030 states to 5030 states and 6652 transitions. [2021-11-23 12:36:21,933 INFO L78 Accepts]: Start accepts. Automaton has 5030 states and 6652 transitions. Word has length 52 [2021-11-23 12:36:21,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:21,934 INFO L470 AbstractCegarLoop]: Abstraction has 5030 states and 6652 transitions. [2021-11-23 12:36:21,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:21,934 INFO L276 IsEmpty]: Start isEmpty. Operand 5030 states and 6652 transitions. [2021-11-23 12:36:21,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 12:36:21,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:21,935 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] [2021-11-23 12:36:21,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:22,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:22,148 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:22,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:22,148 INFO L85 PathProgramCache]: Analyzing trace with hash -531678063, now seen corresponding path program 1 times [2021-11-23 12:36:22,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:22,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619145433] [2021-11-23 12:36:22,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:22,150 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:22,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:22,151 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:22,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-23 12:36:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:22,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 12:36:22,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:22,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 12:36:22,442 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 [2021-11-23 12:36:23,089 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 12:36:23,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 12:36:23,115 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 12:36:23,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2021-11-23 12:36:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:23,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:28,235 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:28,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619145433] [2021-11-23 12:36:28,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619145433] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:28,236 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:28,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 12:36:28,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296888832] [2021-11-23 12:36:28,236 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:28,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:36:28,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:28,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:36:28,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-23 12:36:28,238 INFO L87 Difference]: Start difference. First operand 5030 states and 6652 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) [2021-11-23 12:36:31,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:31,391 INFO L93 Difference]: Finished difference Result 9274 states and 12421 transitions. [2021-11-23 12:36:31,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:36:31,392 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 [2021-11-23 12:36:31,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:31,407 INFO L225 Difference]: With dead ends: 9274 [2021-11-23 12:36:31,407 INFO L226 Difference]: Without dead ends: 9274 [2021-11-23 12:36:31,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-23 12:36:31,408 INFO L933 BasicCegarLoop]: 6688 mSDtfsCounter, 10242 mSDsluCounter, 6505 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10242 SdHoareTripleChecker+Valid, 13193 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 753 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:31,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10242 Valid, 13193 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 585 Invalid, 0 Unknown, 753 Unchecked, 3.0s Time] [2021-11-23 12:36:31,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9274 states. [2021-11-23 12:36:31,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9274 to 5000. [2021-11-23 12:36:31,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5000 states, 4148 states have (on average 1.5964320154291225) internal successors, (6622), 4999 states have internal predecessors, (6622), 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) [2021-11-23 12:36:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 5000 states and 6622 transitions. [2021-11-23 12:36:31,527 INFO L78 Accepts]: Start accepts. Automaton has 5000 states and 6622 transitions. Word has length 60 [2021-11-23 12:36:31,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:31,528 INFO L470 AbstractCegarLoop]: Abstraction has 5000 states and 6622 transitions. [2021-11-23 12:36:31,528 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) [2021-11-23 12:36:31,528 INFO L276 IsEmpty]: Start isEmpty. Operand 5000 states and 6622 transitions. [2021-11-23 12:36:31,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 12:36:31,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:31,529 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] [2021-11-23 12:36:31,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:31,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:31,743 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr73REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:31,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:31,744 INFO L85 PathProgramCache]: Analyzing trace with hash 158497042, now seen corresponding path program 1 times [2021-11-23 12:36:31,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:31,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378356644] [2021-11-23 12:36:31,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:31,744 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:31,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:31,747 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:31,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-23 12:36:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:31,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:36:31,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:32,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:32,146 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 [2021-11-23 12:36:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:32,397 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:32,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378356644] [2021-11-23 12:36:32,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378356644] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:32,398 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:32,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 12:36:32,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295488917] [2021-11-23 12:36:32,398 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:32,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:36:32,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:32,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:36:32,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:36:32,399 INFO L87 Difference]: Start difference. First operand 5000 states and 6622 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) [2021-11-23 12:36:33,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:33,682 INFO L93 Difference]: Finished difference Result 4998 states and 6620 transitions. [2021-11-23 12:36:33,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:36:33,683 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 [2021-11-23 12:36:33,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:33,687 INFO L225 Difference]: With dead ends: 4998 [2021-11-23 12:36:33,687 INFO L226 Difference]: Without dead ends: 4998 [2021-11-23 12:36:33,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:36:33,688 INFO L933 BasicCegarLoop]: 3572 mSDtfsCounter, 10878 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10878 SdHoareTripleChecker+Valid, 3983 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:33,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10878 Valid, 3983 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 12:36:33,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4998 states. [2021-11-23 12:36:33,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4998 to 4998. [2021-11-23 12:36:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4998 states, 4148 states have (on average 1.5959498553519769) internal successors, (6620), 4997 states have internal predecessors, (6620), 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) [2021-11-23 12:36:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4998 states to 4998 states and 6620 transitions. [2021-11-23 12:36:33,761 INFO L78 Accepts]: Start accepts. Automaton has 4998 states and 6620 transitions. Word has length 62 [2021-11-23 12:36:33,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:33,762 INFO L470 AbstractCegarLoop]: Abstraction has 4998 states and 6620 transitions. [2021-11-23 12:36:33,762 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) [2021-11-23 12:36:33,762 INFO L276 IsEmpty]: Start isEmpty. Operand 4998 states and 6620 transitions. [2021-11-23 12:36:33,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 12:36:33,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:33,763 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:36:33,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:33,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:33,976 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:33,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:33,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1426362414, now seen corresponding path program 1 times [2021-11-23 12:36:33,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:33,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591550626] [2021-11-23 12:36:33,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:33,977 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:33,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:33,978 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:33,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-23 12:36:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:34,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:36:34,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:34,296 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 [2021-11-23 12:36:34,307 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 [2021-11-23 12:36:34,335 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 [2021-11-23 12:36:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:34,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:34,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:34,485 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:34,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591550626] [2021-11-23 12:36:34,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1591550626] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:34,486 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:34,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-23 12:36:34,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371312500] [2021-11-23 12:36:34,486 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:34,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:36:34,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:34,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:36:34,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:36:34,489 INFO L87 Difference]: Start difference. First operand 4998 states and 6620 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:38,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:38,747 INFO L93 Difference]: Finished difference Result 9629 states and 12824 transitions. [2021-11-23 12:36:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 12:36:38,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-23 12:36:38,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:38,758 INFO L225 Difference]: With dead ends: 9629 [2021-11-23 12:36:38,758 INFO L226 Difference]: Without dead ends: 9629 [2021-11-23 12:36:38,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 122 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-23 12:36:38,759 INFO L933 BasicCegarLoop]: 3564 mSDtfsCounter, 3803 mSDsluCounter, 13817 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3803 SdHoareTripleChecker+Valid, 17381 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:38,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3803 Valid, 17381 Invalid, 2040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-23 12:36:38,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9629 states. [2021-11-23 12:36:38,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9629 to 4997. [2021-11-23 12:36:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4997 states, 4148 states have (on average 1.595708775313404) internal successors, (6619), 4996 states have internal predecessors, (6619), 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) [2021-11-23 12:36:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4997 states to 4997 states and 6619 transitions. [2021-11-23 12:36:38,845 INFO L78 Accepts]: Start accepts. Automaton has 4997 states and 6619 transitions. Word has length 66 [2021-11-23 12:36:38,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:38,846 INFO L470 AbstractCegarLoop]: Abstraction has 4997 states and 6619 transitions. [2021-11-23 12:36:38,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:38,846 INFO L276 IsEmpty]: Start isEmpty. Operand 4997 states and 6619 transitions. [2021-11-23 12:36:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 12:36:38,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:38,847 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:36:38,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:39,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:39,060 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:39,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:39,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1267561538, now seen corresponding path program 1 times [2021-11-23 12:36:39,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:39,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061910492] [2021-11-23 12:36:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:39,061 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:39,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:39,061 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:39,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-23 12:36:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:39,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 12:36:39,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:39,360 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 [2021-11-23 12:36:39,381 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 [2021-11-23 12:36:39,390 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 [2021-11-23 12:36:39,466 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 [2021-11-23 12:36:39,469 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 [2021-11-23 12:36:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:39,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:39,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:39,908 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:39,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061910492] [2021-11-23 12:36:39,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061910492] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:39,908 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:39,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-23 12:36:39,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96338877] [2021-11-23 12:36:39,909 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:39,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 12:36:39,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:39,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 12:36:39,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-23 12:36:39,910 INFO L87 Difference]: Start difference. First operand 4997 states and 6619 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:51,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:51,464 INFO L93 Difference]: Finished difference Result 9478 states and 12636 transitions. [2021-11-23 12:36:51,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 12:36:51,465 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-23 12:36:51,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:51,474 INFO L225 Difference]: With dead ends: 9478 [2021-11-23 12:36:51,474 INFO L226 Difference]: Without dead ends: 9478 [2021-11-23 12:36:51,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-11-23 12:36:51,475 INFO L933 BasicCegarLoop]: 3520 mSDtfsCounter, 3793 mSDsluCounter, 17074 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3793 SdHoareTripleChecker+Valid, 20594 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:51,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3793 Valid, 20594 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2205 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2021-11-23 12:36:51,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9478 states. [2021-11-23 12:36:51,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9478 to 4996. [2021-11-23 12:36:51,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4996 states, 4148 states have (on average 1.5954676952748312) internal successors, (6618), 4995 states have internal predecessors, (6618), 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) [2021-11-23 12:36:51,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4996 states to 4996 states and 6618 transitions. [2021-11-23 12:36:51,568 INFO L78 Accepts]: Start accepts. Automaton has 4996 states and 6618 transitions. Word has length 67 [2021-11-23 12:36:51,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:51,569 INFO L470 AbstractCegarLoop]: Abstraction has 4996 states and 6618 transitions. [2021-11-23 12:36:51,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:51,569 INFO L276 IsEmpty]: Start isEmpty. Operand 4996 states and 6618 transitions. [2021-11-23 12:36:51,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 12:36:51,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:51,570 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:36:51,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:51,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:51,783 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:51,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:51,784 INFO L85 PathProgramCache]: Analyzing trace with hash -582276570, now seen corresponding path program 1 times [2021-11-23 12:36:51,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:51,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931638071] [2021-11-23 12:36:51,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:51,785 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:51,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:51,786 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:51,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-23 12:36:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:51,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:36:51,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:52,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:52,166 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:52,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931638071] [2021-11-23 12:36:52,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931638071] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:52,167 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:52,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-23 12:36:52,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954443400] [2021-11-23 12:36:52,167 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:52,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:36:52,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:52,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:36:52,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:36:52,168 INFO L87 Difference]: Start difference. First operand 4996 states and 6618 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:52,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:52,340 INFO L93 Difference]: Finished difference Result 9837 states and 13041 transitions. [2021-11-23 12:36:52,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 12:36:52,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-23 12:36:52,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:52,351 INFO L225 Difference]: With dead ends: 9837 [2021-11-23 12:36:52,351 INFO L226 Difference]: Without dead ends: 9837 [2021-11-23 12:36:52,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:36:52,352 INFO L933 BasicCegarLoop]: 4127 mSDtfsCounter, 3858 mSDsluCounter, 12003 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3858 SdHoareTripleChecker+Valid, 16130 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:52,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3858 Valid, 16130 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:36:52,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9837 states. [2021-11-23 12:36:52,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9837 to 4999. [2021-11-23 12:36:52,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4999 states, 4151 states have (on average 1.5950373403999036) internal successors, (6621), 4998 states have internal predecessors, (6621), 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) [2021-11-23 12:36:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 6621 transitions. [2021-11-23 12:36:52,416 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 6621 transitions. Word has length 71 [2021-11-23 12:36:52,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:52,417 INFO L470 AbstractCegarLoop]: Abstraction has 4999 states and 6621 transitions. [2021-11-23 12:36:52,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:52,417 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 6621 transitions. [2021-11-23 12:36:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 12:36:52,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:52,418 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:36:52,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:52,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:52,639 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:52,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:52,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1283072730, now seen corresponding path program 1 times [2021-11-23 12:36:52,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:52,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061182575] [2021-11-23 12:36:52,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:52,640 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:52,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:52,641 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:52,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-23 12:36:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:36:52,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:36:52,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:52,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:53,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:53,143 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:53,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061182575] [2021-11-23 12:36:53,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061182575] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:36:53,143 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 12:36:53,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-23 12:36:53,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173861140] [2021-11-23 12:36:53,146 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 12:36:53,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 12:36:53,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:53,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 12:36:53,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-23 12:36:53,147 INFO L87 Difference]: Start difference. First operand 4999 states and 6621 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:53,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:53,613 INFO L93 Difference]: Finished difference Result 9644 states and 12838 transitions. [2021-11-23 12:36:53,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 12:36:53,613 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-11-23 12:36:53,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:53,623 INFO L225 Difference]: With dead ends: 9644 [2021-11-23 12:36:53,623 INFO L226 Difference]: Without dead ends: 9644 [2021-11-23 12:36:53,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2021-11-23 12:36:53,624 INFO L933 BasicCegarLoop]: 3926 mSDtfsCounter, 3657 mSDsluCounter, 19521 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3657 SdHoareTripleChecker+Valid, 23447 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:53,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3657 Valid, 23447 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 12:36:53,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9644 states. [2021-11-23 12:36:53,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9644 to 5005. [2021-11-23 12:36:53,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5005 states, 4157 states have (on average 1.5941784941063266) internal successors, (6627), 5004 states have internal predecessors, (6627), 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) [2021-11-23 12:36:53,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5005 states to 5005 states and 6627 transitions. [2021-11-23 12:36:53,685 INFO L78 Accepts]: Start accepts. Automaton has 5005 states and 6627 transitions. Word has length 73 [2021-11-23 12:36:53,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:53,686 INFO L470 AbstractCegarLoop]: Abstraction has 5005 states and 6627 transitions. [2021-11-23 12:36:53,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 5005 states and 6627 transitions. [2021-11-23 12:36:53,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 12:36:53,687 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:53,687 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:36:53,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:53,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:53,900 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:53,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:53,901 INFO L85 PathProgramCache]: Analyzing trace with hash -376896730, now seen corresponding path program 2 times [2021-11-23 12:36:53,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:53,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517976313] [2021-11-23 12:36:53,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 12:36:53,902 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:53,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:53,902 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:53,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-23 12:36:54,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 12:36:54,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 12:36:54,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 12:36:54,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:54,558 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:54,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:36:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:54,989 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:36:54,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517976313] [2021-11-23 12:36:54,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1517976313] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:36:54,989 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 12:36:54,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-11-23 12:36:54,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505363406] [2021-11-23 12:36:54,990 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 12:36:54,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-23 12:36:54,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:36:54,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-23 12:36:54,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-23 12:36:54,992 INFO L87 Difference]: Start difference. First operand 5005 states and 6627 transitions. Second operand has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:57,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:36:57,209 INFO L93 Difference]: Finished difference Result 9656 states and 12850 transitions. [2021-11-23 12:36:57,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 12:36:57,209 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-23 12:36:57,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:36:57,218 INFO L225 Difference]: With dead ends: 9656 [2021-11-23 12:36:57,218 INFO L226 Difference]: Without dead ends: 9656 [2021-11-23 12:36:57,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=370, Invalid=622, Unknown=0, NotChecked=0, Total=992 [2021-11-23 12:36:57,219 INFO L933 BasicCegarLoop]: 3926 mSDtfsCounter, 3657 mSDsluCounter, 39027 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3657 SdHoareTripleChecker+Valid, 42953 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:36:57,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3657 Valid, 42953 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-23 12:36:57,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9656 states. [2021-11-23 12:36:57,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9656 to 5017. [2021-11-23 12:36:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5017 states, 4169 states have (on average 1.5924682177980332) internal successors, (6639), 5016 states have internal predecessors, (6639), 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) [2021-11-23 12:36:57,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5017 states to 5017 states and 6639 transitions. [2021-11-23 12:36:57,275 INFO L78 Accepts]: Start accepts. Automaton has 5017 states and 6639 transitions. Word has length 77 [2021-11-23 12:36:57,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:36:57,276 INFO L470 AbstractCegarLoop]: Abstraction has 5017 states and 6639 transitions. [2021-11-23 12:36:57,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:36:57,276 INFO L276 IsEmpty]: Start isEmpty. Operand 5017 states and 6639 transitions. [2021-11-23 12:36:57,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 12:36:57,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:36:57,277 INFO L514 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:36:57,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:57,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:36:57,492 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:36:57,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:57,493 INFO L85 PathProgramCache]: Analyzing trace with hash 688279334, now seen corresponding path program 3 times [2021-11-23 12:36:57,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:36:57,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808302358] [2021-11-23 12:36:57,494 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 12:36:57,494 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:36:57,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:36:57,495 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:36:57,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-23 12:36:58,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-23 12:36:58,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 12:36:58,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 12:36:58,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:36:58,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:37:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:00,047 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:37:00,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808302358] [2021-11-23 12:37:00,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1808302358] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:37:00,047 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 12:37:00,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2021-11-23 12:37:00,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803913585] [2021-11-23 12:37:00,048 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 12:37:00,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-23 12:37:00,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:37:00,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-23 12:37:00,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2021-11-23 12:37:00,049 INFO L87 Difference]: Start difference. First operand 5017 states and 6639 transitions. Second operand has 34 states, 34 states have (on average 3.0294117647058822) internal successors, (103), 34 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:37:15,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:37:15,429 INFO L93 Difference]: Finished difference Result 68234 states and 90658 transitions. [2021-11-23 12:37:15,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-23 12:37:15,431 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.0294117647058822) internal successors, (103), 34 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-23 12:37:15,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:37:15,501 INFO L225 Difference]: With dead ends: 68234 [2021-11-23 12:37:15,501 INFO L226 Difference]: Without dead ends: 68234 [2021-11-23 12:37:15,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=1674, Invalid=4332, Unknown=0, NotChecked=0, Total=6006 [2021-11-23 12:37:15,504 INFO L933 BasicCegarLoop]: 49600 mSDtfsCounter, 106260 mSDsluCounter, 709458 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106260 SdHoareTripleChecker+Valid, 759058 SdHoareTripleChecker+Invalid, 1747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-11-23 12:37:15,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106260 Valid, 759058 Invalid, 1747 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [164 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-11-23 12:37:15,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68234 states. [2021-11-23 12:37:15,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68234 to 5056. [2021-11-23 12:37:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5056 states, 4208 states have (on average 1.591967680608365) internal successors, (6699), 5055 states have internal predecessors, (6699), 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) [2021-11-23 12:37:15,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5056 states to 5056 states and 6699 transitions. [2021-11-23 12:37:15,814 INFO L78 Accepts]: Start accepts. Automaton has 5056 states and 6699 transitions. Word has length 85 [2021-11-23 12:37:15,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:37:15,814 INFO L470 AbstractCegarLoop]: Abstraction has 5056 states and 6699 transitions. [2021-11-23 12:37:15,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.0294117647058822) internal successors, (103), 34 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:37:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 5056 states and 6699 transitions. [2021-11-23 12:37:15,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 12:37:15,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:37:15,815 INFO L514 BasicCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:15,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-23 12:37:16,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:37:16,028 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:37:16,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:16,029 INFO L85 PathProgramCache]: Analyzing trace with hash -2300122, now seen corresponding path program 4 times [2021-11-23 12:37:16,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:37:16,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939648004] [2021-11-23 12:37:16,029 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 12:37:16,029 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:37:16,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:37:16,031 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:37:16,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-23 12:37:16,275 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 12:37:16,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 12:37:16,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 12:37:16,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:37:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:17,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:37:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:20,362 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:37:20,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939648004] [2021-11-23 12:37:20,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939648004] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:37:20,362 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 12:37:20,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2021-11-23 12:37:20,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393003227] [2021-11-23 12:37:20,363 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 12:37:20,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-11-23 12:37:20,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:37:20,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-11-23 12:37:20,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1000, Invalid=3290, Unknown=0, NotChecked=0, Total=4290 [2021-11-23 12:37:20,366 INFO L87 Difference]: Start difference. First operand 5056 states and 6699 transitions. Second operand has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:38:36,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:38:36,182 INFO L93 Difference]: Finished difference Result 9725 states and 12933 transitions. [2021-11-23 12:38:36,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-23 12:38:36,184 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-11-23 12:38:36,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:38:36,195 INFO L225 Difference]: With dead ends: 9725 [2021-11-23 12:38:36,196 INFO L226 Difference]: Without dead ends: 9725 [2021-11-23 12:38:36,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3304 ImplicationChecksByTransitivity, 26.8s TimeCoverageRelationStatistics Valid=3577, Invalid=8413, Unknown=0, NotChecked=0, Total=11990 [2021-11-23 12:38:36,201 INFO L933 BasicCegarLoop]: 3926 mSDtfsCounter, 3657 mSDsluCounter, 133059 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3657 SdHoareTripleChecker+Valid, 136985 SdHoareTripleChecker+Invalid, 1895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 638 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.8s IncrementalHoareTripleChecker+Time [2021-11-23 12:38:36,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3657 Valid, 136985 Invalid, 1895 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [638 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 51.8s Time] [2021-11-23 12:38:36,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9725 states. [2021-11-23 12:38:36,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9725 to 5086. [2021-11-23 12:38:36,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5086 states, 4238 states have (on average 1.5861255309108069) internal successors, (6722), 5085 states have internal predecessors, (6722), 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) [2021-11-23 12:38:36,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5086 states to 5086 states and 6722 transitions. [2021-11-23 12:38:36,280 INFO L78 Accepts]: Start accepts. Automaton has 5086 states and 6722 transitions. Word has length 101 [2021-11-23 12:38:36,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:38:36,281 INFO L470 AbstractCegarLoop]: Abstraction has 5086 states and 6722 transitions. [2021-11-23 12:38:36,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:38:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 5086 states and 6722 transitions. [2021-11-23 12:38:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 12:38:36,282 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:38:36,283 INFO L514 BasicCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:36,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:36,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:38:36,504 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 1031 more)] === [2021-11-23 12:38:36,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:36,505 INFO L85 PathProgramCache]: Analyzing trace with hash -146191322, now seen corresponding path program 5 times [2021-11-23 12:38:36,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:38:36,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985367688] [2021-11-23 12:38:36,505 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-23 12:38:36,506 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:38:36,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:38:36,507 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:38:36,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-23 12:38:37,586 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-11-23 12:38:37,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 12:38:37,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-23 12:38:37,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:38:37,645 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 [2021-11-23 12:38:38,047 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 12:38:38,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-11-23 12:38:38,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 12:38:38,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-11-23 12:38:38,100 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 [2021-11-23 12:38:38,370 INFO L354 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2021-11-23 12:38:38,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 67 [2021-11-23 12:38:38,395 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-23 12:38:38,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 51 [2021-11-23 12:38:39,058 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:39,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:39,154 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:39,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:39,257 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:39,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:39,282 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:39,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:40,152 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:40,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:40,187 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:40,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:41,666 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:41,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:41,695 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:41,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:43,111 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:43,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:43,139 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:43,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:43,257 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:43,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:44,763 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:44,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:44,885 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:44,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:46,805 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:46,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:46,905 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:46,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:46,932 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:46,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:47,062 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:47,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:47,092 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:47,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:47,728 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:47,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:49,410 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:49,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:50,299 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:50,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:50,324 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:50,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:51,450 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:51,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:51,487 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:51,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:51,630 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:51,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:52,833 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:52,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:52,961 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:52,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:53,518 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:53,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:54,956 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:54,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:55,379 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:55,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:55,491 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:55,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:55,517 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:55,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:55,635 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:55,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:55,662 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:55,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:55,785 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:55,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:55,810 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:55,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:55,929 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:55,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:55,955 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:55,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:56,051 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:56,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:58,132 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:58,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:58,253 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:58,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:58,279 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:58,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:58,391 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:58,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:58,421 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:58,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:59,559 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:59,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:38:59,585 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:38:59,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:38:59,717 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:38:59,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:02,743 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:02,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:04,158 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:04,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:06,871 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:06,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:06,987 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:06,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:07,013 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:07,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:07,136 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:07,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:07,164 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:07,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:07,272 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:07,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:08,412 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:08,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:13,030 INFO L354 Elim1Store]: treesize reduction 25, result has 34.2 percent of original size [2021-11-23 12:39:13,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 73 [2021-11-23 12:39:13,075 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:13,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:16,174 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:16,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:16,204 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:16,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:16,337 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:16,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:17,354 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:17,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:21,043 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:21,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:25,494 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:25,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:25,619 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:25,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:27,256 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:27,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:28,797 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:28,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:28,824 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:28,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:28,967 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:28,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:32,869 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:32,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:34,869 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:34,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:34,897 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:34,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:38,044 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:38,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:38,080 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:38,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:38,228 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:38,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:39,443 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:39,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:39,561 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:39,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:40,601 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:40,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:40,711 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:40,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:40,747 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:40,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:40,861 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:40,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:42,320 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:42,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:42,431 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:39:42,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:39:42,455 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:39:42,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:39:42,592 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:39:42,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 78 [2021-11-23 12:39:42,638 INFO L354 Elim1Store]: treesize reduction 104, result has 19.4 percent of original size [2021-11-23 12:39:42,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 101 [2021-11-23 12:39:43,195 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-23 12:39:43,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 58 [2021-11-23 12:39:43,208 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-23 12:39:43,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 26 [2021-11-23 12:39:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 43 proven. 44 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-11-23 12:39:43,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:40:24,894 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_15 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_15 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_16 (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_16 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-23 12:40:26,972 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_17 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_16 (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_17 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd v_subst_16 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1) .cse3 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse4)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32)) .cse3 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse4))))) (forall ((v_subst_15 (_ BitVec 32)) (v_subst_18 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse5 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6) (bvadd v_subst_18 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6) (bvadd v_subst_15 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse5) (bvadd .cse5 (_ bv20 32)))))) is different from false [2021-11-23 12:40:31,119 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_21 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_21 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_22 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_22 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-23 12:40:37,990 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_26 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_26 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse0 (_ bv16 32)) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_25 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_25 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-23 12:40:53,635 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_33 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_33 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_34 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_34 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-23 12:41:34,877 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_56 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_56 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_55 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_55 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-23 12:41:41,795 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_59 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_59 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd (_ bv20 32) .cse0)))) (forall ((v_subst_60 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_60 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-23 12:41:49,611 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_63 (_ BitVec 32)) (v_subst_36 (_ BitVec 32)) (v_subst_34 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_63 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_36 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_34 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_33 (_ BitVec 32)) (v_subst_64 (_ BitVec 32)) (v_subst_35 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_64 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd v_subst_35 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd v_subst_33 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse7 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3) .cse5 .cse3) .cse6 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse7) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32)) .cse6 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)))))) is different from false [2021-11-23 12:42:05,722 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_72 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_72 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_71 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_71 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-23 12:42:35,216 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_83 (_ BitVec 32)) (v_subst_36 (_ BitVec 32)) (v_subst_34 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_83 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_36 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_34 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd (_ bv20 32) .cse0)))) (forall ((v_subst_84 (_ BitVec 32)) (v_subst_33 (_ BitVec 32)) (v_subst_35 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_84 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd v_subst_35 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd v_subst_33 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse7 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3) .cse5 .cse3) .cse6 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32)) .cse6 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)))))) is different from false [2021-11-23 12:43:04,954 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:43:04,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985367688] [2021-11-23 12:43:04,954 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-23 12:43:04,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1975555531] [2021-11-23 12:43:04,955 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-23 12:43:04,955 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 12:43:04,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/cvc4 [2021-11-23 12:43:04,956 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 12:43:04,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49617b9-3bab-469b-b3a5-01e15fc83549/bin/uautomizer-wIGwrQj20G/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2021-11-23 12:44:11,174 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-11-23 12:44:11,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 12:44:11,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-23 12:44:11,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:44:11,384 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 [2021-11-23 12:44:11,857 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 12:44:11,857 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 15 treesize of output 15 [2021-11-23 12:44:11,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 12:44:11,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-11-23 12:44:12,019 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 [2021-11-23 12:44:16,104 INFO L354 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2021-11-23 12:44:16,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 67 [2021-11-23 12:44:16,155 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-23 12:44:16,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 51 [2021-11-23 12:44:18,051 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:44:18,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:44:19,409 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:44:19,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:44:24,050 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:44:24,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:44:24,157 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:44:24,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:44:30,364 WARN L227 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 40 DAG size of output: 22 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 12:44:30,364 INFO L354 Elim1Store]: treesize reduction 76, result has 23.2 percent of original size [2021-11-23 12:44:30,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 94 [2021-11-23 12:44:30,486 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:44:30,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 78 [2021-11-23 12:44:34,540 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:44:34,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:44:36,708 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:44:36,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:44:37,307 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:44:37,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:44:37,432 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:44:37,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:44:38,540 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:44:38,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:44:42,815 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:44:42,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:44:46,135 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:44:46,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:44:50,685 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:44:50,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:44:51,452 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:44:51,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:44:51,562 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:44:51,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:44:54,207 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:44:54,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:44:57,667 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:44:57,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:03,260 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:03,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:06,078 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:06,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:06,731 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:06,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:09,436 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:09,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:11,839 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:11,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:11,952 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:11,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:13,035 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:13,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:13,150 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:13,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:16,451 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:16,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:16,571 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:16,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:17,196 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:17,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:17,319 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:17,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:18,298 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:18,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:20,102 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:20,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:27,620 WARN L227 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 40 DAG size of output: 18 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 12:45:27,621 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:27,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:27,744 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:27,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:28,593 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:28,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:28,717 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:28,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:29,324 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:29,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:29,460 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:29,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:32,969 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:32,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:36,722 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:36,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:42,259 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:42,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:44,450 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:44,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:48,326 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:48,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:51,022 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:51,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:54,646 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:54,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:54,772 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:54,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:45:55,688 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:45:55,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:45:58,491 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:45:58,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:03,784 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:03,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:08,643 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:08,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:11,479 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:11,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:11,604 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:11,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:13,847 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:13,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:13,962 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:13,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:18,943 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:18,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:19,072 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:19,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:25,133 WARN L227 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 40 DAG size of output: 18 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 12:46:25,133 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:25,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:27,261 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:27,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:30,101 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:30,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:32,724 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:32,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:34,085 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:34,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:34,205 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:34,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:34,983 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:34,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:35,102 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:35,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:39,142 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:39,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:39,275 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:39,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:40,452 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:40,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:45,615 WARN L227 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 38 DAG size of output: 22 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 12:46:45,615 INFO L354 Elim1Store]: treesize reduction 72, result has 24.2 percent of original size [2021-11-23 12:46:45,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 78 [2021-11-23 12:46:48,713 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:48,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:48,821 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:48,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:49,839 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:49,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:50,009 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:50,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:50,828 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:50,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:50,943 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:50,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:51,613 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:51,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:51,724 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:51,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:52,583 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:52,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:46:55,292 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:46:55,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:46:59,889 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:46:59,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:47:00,059 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:47:00,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:47:00,762 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:47:00,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:47:05,813 WARN L227 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 38 DAG size of output: 18 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 12:47:05,813 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:47:05,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:47:06,566 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 12:47:06,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 90 [2021-11-23 12:47:10,412 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:47:10,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 12:47:11,291 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:47:11,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 78 [2021-11-23 12:47:13,442 INFO L354 Elim1Store]: treesize reduction 104, result has 19.4 percent of original size [2021-11-23 12:47:13,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 101 [2021-11-23 12:47:14,902 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-23 12:47:14,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 113 treesize of output 62 [2021-11-23 12:47:14,918 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-23 12:47:14,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 26 [2021-11-23 12:47:14,935 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 43 proven. 44 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-11-23 12:47:14,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:47:21,044 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_89 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_89 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_90 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_90 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-23 12:47:45,030 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_97 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_97 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_98 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_98 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-23 12:47:47,175 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_99 (_ BitVec 32)) (v_subst_97 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_99 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd v_subst_97 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1) .cse3 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse4) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32)) .cse3 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse4))))) (forall ((v_subst_98 (_ BitVec 32)) (v_subst_100 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse5 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6) (bvadd v_subst_100 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6) (bvadd v_subst_98 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse6))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse5) (bvadd .cse5 (_ bv20 32)))))) is different from false [2021-11-23 12:47:49,451 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_98 (_ BitVec 32)) (v_subst_101 (_ BitVec 32)) (v_subst_100 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_101 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_100 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_98 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd (_ bv20 32) .cse0)))) (forall ((v_subst_99 (_ BitVec 32)) (v_subst_97 (_ BitVec 32)) (v_subst_102 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_102 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd v_subst_99 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd v_subst_97 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse7 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3) .cse5 .cse3) .cse6 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse7) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32)) .cse6 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)))))) is different from false [2021-11-23 12:48:01,163 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_107 (_ BitVec 32)) (v_subst_36 (_ BitVec 32)) (v_subst_34 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_107 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_36 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_34 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd (_ bv20 32) .cse0)))) (forall ((v_subst_33 (_ BitVec 32)) (v_subst_108 (_ BitVec 32)) (v_subst_35 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_108 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd v_subst_35 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd v_subst_33 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse7 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3) .cse5 .cse3) .cse6 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse7) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32)) .cse6 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)))))) is different from false [2021-11-23 12:48:08,157 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_111 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_111 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_112 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_112 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-23 12:48:51,322 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_128 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_128 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_127 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_127 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-23 12:49:11,448 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_137 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_137 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_138 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_138 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-23 12:49:13,596 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_139 (_ BitVec 32)) (v_subst_137 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_139 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_137 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_140 (_ BitVec 32)) (v_subst_138 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_140 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd v_subst_138 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3) .cse5 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse6) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)))))) is different from false [2021-11-23 12:49:19,624 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_144 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_144 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_143 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_143 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-23 12:49:21,764 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_146 (_ BitVec 32)) (v_subst_144 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_146 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_144 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse0 (_ bv16 32)) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_145 (_ BitVec 32)) (v_subst_143 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_145 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd v_subst_143 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3) .cse5 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)))))) is different from false