./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/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 1fe25077175322d8d5e3cefee67a534dcd61077607911040f354db1679589b09 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:58:39,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:58:39,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:58:39,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:58:39,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:58:39,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:58:39,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:58:39,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:58:39,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:58:39,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:58:39,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:58:39,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:58:39,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:58:39,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:58:39,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:58:39,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:58:39,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:58:39,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:58:39,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:58:39,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:58:39,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:58:39,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:58:39,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:58:39,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:58:39,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:58:39,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:58:39,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:58:39,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:58:39,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:58:39,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:58:39,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:58:39,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:58:39,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:58:39,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:58:39,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:58:40,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:58:40,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:58:40,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:58:40,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:58:40,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:58:40,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:58:40,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-23 12:58:40,062 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:58:40,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:58:40,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:58:40,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:58:40,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:58:40,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:58:40,074 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:58:40,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:58:40,074 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:58:40,075 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:58:40,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:58:40,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:58:40,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:58:40,077 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 12:58:40,077 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 12:58:40,078 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 12:58:40,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:58:40,078 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 12:58:40,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:58:40,079 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:58:40,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:58:40,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:58:40,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:58:40,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:58:40,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:58:40,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:58:40,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:58:40,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 12:58:40,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:58:40,084 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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fe25077175322d8d5e3cefee67a534dcd61077607911040f354db1679589b09 [2021-11-23 12:58:40,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:58:40,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:58:40,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:58:40,438 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:58:40,439 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:58:40,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i [2021-11-23 12:58:40,533 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/data/8e8705e60/55dcb2d3e7df486ca2db7df4d83c2707/FLAGc5a86fd00 [2021-11-23 12:58:41,445 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:58:41,446 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i [2021-11-23 12:58:41,488 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/data/8e8705e60/55dcb2d3e7df486ca2db7df4d83c2707/FLAGc5a86fd00 [2021-11-23 12:58:41,540 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/data/8e8705e60/55dcb2d3e7df486ca2db7df4d83c2707 [2021-11-23 12:58:41,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:58:41,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:58:41,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:58:41,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:58:41,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:58:41,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:41" (1/1) ... [2021-11-23 12:58:41,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fc576f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:41, skipping insertion in model container [2021-11-23 12:58:41,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:41" (1/1) ... [2021-11-23 12:58:41,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:58:41,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:58:42,224 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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[33021,33034] [2021-11-23 12:58:42,401 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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[49681,49694] [2021-11-23 12:58:42,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:58:42,459 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 12:58:42,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e216a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:42, skipping insertion in model container [2021-11-23 12:58:42,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:58:42,462 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 12:58:42,466 INFO L158 Benchmark]: Toolchain (without parser) took 917.60ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 52.2MB in the beginning and 76.6MB in the end (delta: -24.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-23 12:58:42,467 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 71.2MB in the beginning and 71.1MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:58:42,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 910.85ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 52.0MB in the beginning and 76.6MB in the end (delta: -24.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-23 12:58:42,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 71.2MB in the beginning and 71.1MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 910.85ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 52.0MB in the beginning and 76.6MB in the end (delta: -24.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 737]: 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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/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 1fe25077175322d8d5e3cefee67a534dcd61077607911040f354db1679589b09 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:58:45,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:58:45,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:58:45,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:58:45,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:58:45,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:58:45,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:58:45,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:58:45,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:58:45,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:58:45,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:58:45,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:58:45,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:58:45,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:58:45,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:58:45,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:58:45,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:58:45,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:58:45,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:58:45,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:58:45,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:58:45,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:58:45,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:58:45,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:58:45,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:58:45,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:58:45,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:58:45,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:58:45,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:58:45,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:58:45,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:58:45,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:58:45,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:58:45,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:58:45,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:58:45,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:58:45,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:58:45,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:58:45,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:58:45,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:58:45,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:58:45,440 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-23 12:58:45,492 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:58:45,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:58:45,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:58:45,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:58:45,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:58:45,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:58:45,497 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:58:45,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:58:45,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:58:45,498 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:58:45,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:58:45,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:58:45,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:58:45,500 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 12:58:45,501 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 12:58:45,501 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 12:58:45,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:58:45,502 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 12:58:45,502 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 12:58:45,502 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 12:58:45,502 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:58:45,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:58:45,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:58:45,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:58:45,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:58:45,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:58:45,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:58:45,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:58:45,505 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-23 12:58:45,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 12:58:45,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:58:45,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 12:58:45,506 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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fe25077175322d8d5e3cefee67a534dcd61077607911040f354db1679589b09 [2021-11-23 12:58:45,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:58:45,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:58:45,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:58:45,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:58:45,970 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:58:45,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i [2021-11-23 12:58:46,063 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/data/6d2072753/beba90ed4079459f9bef785db6ac14f6/FLAGa4aea54e6 [2021-11-23 12:58:46,954 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:58:46,954 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i [2021-11-23 12:58:46,992 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/data/6d2072753/beba90ed4079459f9bef785db6ac14f6/FLAGa4aea54e6 [2021-11-23 12:58:47,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/data/6d2072753/beba90ed4079459f9bef785db6ac14f6 [2021-11-23 12:58:47,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:58:47,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:58:47,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:58:47,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:58:47,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:58:47,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:47" (1/1) ... [2021-11-23 12:58:47,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a868bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:47, skipping insertion in model container [2021-11-23 12:58:47,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:47" (1/1) ... [2021-11-23 12:58:47,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:58:47,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:58:47,759 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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[33021,33034] [2021-11-23 12:58:47,943 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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[49681,49694] [2021-11-23 12:58:48,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:58:48,035 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 12:58:48,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:58:48,100 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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[33021,33034] [2021-11-23 12:58:48,239 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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[49681,49694] [2021-11-23 12:58:48,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:58:48,283 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:58:48,324 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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[33021,33034] [2021-11-23 12:58:48,453 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_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[49681,49694] [2021-11-23 12:58:48,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:58:48,513 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:58:48,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:48 WrapperNode [2021-11-23 12:58:48,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:58:48,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:58:48,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:58:48,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:58:48,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:48" (1/1) ... [2021-11-23 12:58:48,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:48" (1/1) ... [2021-11-23 12:58:48,792 INFO L137 Inliner]: procedures = 180, calls = 439, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 1623 [2021-11-23 12:58:48,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:58:48,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:58:48,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:58:48,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:58:48,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:48" (1/1) ... [2021-11-23 12:58:48,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:48" (1/1) ... [2021-11-23 12:58:48,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:48" (1/1) ... [2021-11-23 12:58:48,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:48" (1/1) ... [2021-11-23 12:58:48,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:48" (1/1) ... [2021-11-23 12:58:49,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:48" (1/1) ... [2021-11-23 12:58:49,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:48" (1/1) ... [2021-11-23 12:58:49,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:58:49,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:58:49,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:58:49,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:58:49,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:48" (1/1) ... [2021-11-23 12:58:49,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:58:49,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:58:49,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 12:58:49,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 12:58:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 12:58:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 12:58:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 12:58:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:58:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 12:58:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 12:58:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 12:58:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 12:58:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:58:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 12:58:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 12:58:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:58:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:58:49,664 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:58:49,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:58:58,557 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:58:58,598 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:58:58,601 INFO L301 CfgBuilder]: Removed 92 assume(true) statements. [2021-11-23 12:58:58,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:58 BoogieIcfgContainer [2021-11-23 12:58:58,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:58:58,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 12:58:58,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 12:58:58,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 12:58:58,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:58:47" (1/3) ... [2021-11-23 12:58:58,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a860e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:58:58, skipping insertion in model container [2021-11-23 12:58:58,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:48" (2/3) ... [2021-11-23 12:58:58,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a860e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:58:58, skipping insertion in model container [2021-11-23 12:58:58,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:58" (3/3) ... [2021-11-23 12:58:58,620 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test5-2.i [2021-11-23 12:58:58,629 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 12:58:58,630 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 838 error locations. [2021-11-23 12:58:58,710 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 12:58:58,719 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 12:58:58,720 INFO L340 AbstractCegarLoop]: Starting to check reachability of 838 error locations. [2021-11-23 12:58:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 1677 states, 838 states have (on average 2.2338902147971362) internal successors, (1872), 1676 states have internal predecessors, (1872), 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 12:58:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 12:58:58,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:58:58,834 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-23 12:58:58,834 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 12:58:58,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:58:58,842 INFO L85 PathProgramCache]: Analyzing trace with hash 28698764, now seen corresponding path program 1 times [2021-11-23 12:58:58,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:58:58,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136197395] [2021-11-23 12:58:58,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:58:58,858 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:58:58,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:58:58,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:58:58,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 12:58:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:58:59,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 12:58:59,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:58:59,188 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 12:58:59,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:58:59,213 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 12:58:59,214 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:58:59,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136197395] [2021-11-23 12:58:59,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [136197395] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:58:59,216 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:58:59,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 12:58:59,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845350856] [2021-11-23 12:58:59,219 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:58:59,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 12:58:59,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:58:59,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 12:58:59,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 12:58:59,277 INFO L87 Difference]: Start difference. First operand has 1677 states, 838 states have (on average 2.2338902147971362) internal successors, (1872), 1676 states have internal predecessors, (1872), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 12:58:59,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:58:59,442 INFO L93 Difference]: Finished difference Result 1659 states and 1749 transitions. [2021-11-23 12:58:59,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 12:58:59,445 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 5 [2021-11-23 12:58:59,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:58:59,494 INFO L225 Difference]: With dead ends: 1659 [2021-11-23 12:58:59,494 INFO L226 Difference]: Without dead ends: 1657 [2021-11-23 12:58:59,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 12:58:59,503 INFO L933 BasicCegarLoop]: 1749 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:58:59,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:58:59,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2021-11-23 12:58:59,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1657. [2021-11-23 12:58:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1657 states, 829 states have (on average 2.1073582629674306) internal successors, (1747), 1656 states have internal predecessors, (1747), 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 12:58:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 1747 transitions. [2021-11-23 12:58:59,667 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 1747 transitions. Word has length 5 [2021-11-23 12:58:59,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:58:59,667 INFO L470 AbstractCegarLoop]: Abstraction has 1657 states and 1747 transitions. [2021-11-23 12:58:59,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 12:58:59,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1747 transitions. [2021-11-23 12:58:59,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 12:58:59,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:58:59,669 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-23 12:58:59,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 12:58:59,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:58:59,887 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 12:58:59,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:58:59,888 INFO L85 PathProgramCache]: Analyzing trace with hash 28698826, now seen corresponding path program 1 times [2021-11-23 12:58:59,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:58:59,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362858407] [2021-11-23 12:58:59,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:58:59,890 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:58:59,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:58:59,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:58:59,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 12:59:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:59:00,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:59:00,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:59:00,165 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 12:59:00,182 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 12:59:00,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:59:00,204 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 12:59:00,204 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:59:00,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362858407] [2021-11-23 12:59:00,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362858407] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:59:00,205 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:59:00,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 12:59:00,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960326342] [2021-11-23 12:59:00,206 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:59:00,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:59:00,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:59:00,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:59:00,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:59:00,209 INFO L87 Difference]: Start difference. First operand 1657 states and 1747 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 12:59:04,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:59:04,404 INFO L93 Difference]: Finished difference Result 1928 states and 2056 transitions. [2021-11-23 12:59:04,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:59:04,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 5 [2021-11-23 12:59:04,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:59:04,420 INFO L225 Difference]: With dead ends: 1928 [2021-11-23 12:59:04,421 INFO L226 Difference]: Without dead ends: 1928 [2021-11-23 12:59:04,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 12:59:04,424 INFO L933 BasicCegarLoop]: 1184 mSDtfsCounter, 1419 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 1550 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:59:04,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1419 Valid, 1550 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-23 12:59:04,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2021-11-23 12:59:04,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1642. [2021-11-23 12:59:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1642 states, 905 states have (on average 1.9790055248618785) internal successors, (1791), 1641 states have internal predecessors, (1791), 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 12:59:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 1791 transitions. [2021-11-23 12:59:04,478 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 1791 transitions. Word has length 5 [2021-11-23 12:59:04,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:59:04,479 INFO L470 AbstractCegarLoop]: Abstraction has 1642 states and 1791 transitions. [2021-11-23 12:59:04,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 12:59:04,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1791 transitions. [2021-11-23 12:59:04,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 12:59:04,480 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:59:04,480 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-23 12:59:04,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 12:59:04,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:59:04,694 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 12:59:04,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:59:04,695 INFO L85 PathProgramCache]: Analyzing trace with hash 28698827, now seen corresponding path program 1 times [2021-11-23 12:59:04,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:59:04,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630929814] [2021-11-23 12:59:04,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:59:04,697 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:59:04,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:59:04,698 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:59:04,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 12:59:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:59:04,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:59:04,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:59:04,938 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 12:59:04,987 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 12:59:04,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:59:05,077 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 12:59:05,078 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:59:05,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630929814] [2021-11-23 12:59:05,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630929814] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:59:05,080 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:59:05,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-23 12:59:05,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388152145] [2021-11-23 12:59:05,081 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:59:05,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:59:05,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:59:05,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:59:05,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:59:05,084 INFO L87 Difference]: Start difference. First operand 1642 states and 1791 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 12:59:15,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:59:15,542 INFO L93 Difference]: Finished difference Result 2231 states and 2426 transitions. [2021-11-23 12:59:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:59:15,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 5 [2021-11-23 12:59:15,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:59:15,558 INFO L225 Difference]: With dead ends: 2231 [2021-11-23 12:59:15,559 INFO L226 Difference]: Without dead ends: 2231 [2021-11-23 12:59:15,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 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 12:59:15,561 INFO L933 BasicCegarLoop]: 1524 mSDtfsCounter, 855 mSDsluCounter, 1426 mSDsCounter, 0 mSdLazyCounter, 1851 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 2950 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-11-23 12:59:15,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [855 Valid, 2950 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1851 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2021-11-23 12:59:15,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2021-11-23 12:59:15,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1798. [2021-11-23 12:59:15,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1798 states, 1071 states have (on average 1.9579831932773109) internal successors, (2097), 1797 states have internal predecessors, (2097), 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 12:59:15,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1798 states and 2097 transitions. [2021-11-23 12:59:15,627 INFO L78 Accepts]: Start accepts. Automaton has 1798 states and 2097 transitions. Word has length 5 [2021-11-23 12:59:15,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:59:15,628 INFO L470 AbstractCegarLoop]: Abstraction has 1798 states and 2097 transitions. [2021-11-23 12:59:15,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 12:59:15,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2097 transitions. [2021-11-23 12:59:15,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 12:59:15,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:59:15,629 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-23 12:59:15,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 12:59:15,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:59:15,843 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr640REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 12:59:15,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:59:15,844 INFO L85 PathProgramCache]: Analyzing trace with hash 891404513, now seen corresponding path program 1 times [2021-11-23 12:59:15,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:59:15,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766942967] [2021-11-23 12:59:15,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:59:15,846 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:59:15,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:59:15,847 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:59:15,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 12:59:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:59:16,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:59:16,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:59:16,041 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 12:59:16,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:59:16,074 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 12:59:16,074 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:59:16,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766942967] [2021-11-23 12:59:16,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766942967] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:59:16,084 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:59:16,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-23 12:59:16,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196757648] [2021-11-23 12:59:16,085 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:59:16,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:59:16,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:59:16,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:59:16,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:59:16,086 INFO L87 Difference]: Start difference. First operand 1798 states and 2097 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 12:59:16,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:59:16,284 INFO L93 Difference]: Finished difference Result 3393 states and 3979 transitions. [2021-11-23 12:59:16,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:59:16,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 6 [2021-11-23 12:59:16,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:59:16,307 INFO L225 Difference]: With dead ends: 3393 [2021-11-23 12:59:16,307 INFO L226 Difference]: Without dead ends: 3393 [2021-11-23 12:59:16,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 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 12:59:16,313 INFO L933 BasicCegarLoop]: 1639 mSDtfsCounter, 4281 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4281 SdHoareTripleChecker+Valid, 3274 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:59:16,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4281 Valid, 3274 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:59:16,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2021-11-23 12:59:16,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 2766. [2021-11-23 12:59:16,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2039 states have (on average 1.948504168710152) internal successors, (3973), 2765 states have internal predecessors, (3973), 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 12:59:16,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3973 transitions. [2021-11-23 12:59:16,410 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3973 transitions. Word has length 6 [2021-11-23 12:59:16,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:59:16,415 INFO L470 AbstractCegarLoop]: Abstraction has 2766 states and 3973 transitions. [2021-11-23 12:59:16,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 12:59:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3973 transitions. [2021-11-23 12:59:16,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 12:59:16,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:59:16,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:59:16,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 12:59:16,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:59:16,631 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 12:59:16,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:59:16,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2013913556, now seen corresponding path program 1 times [2021-11-23 12:59:16,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:59:16,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18038827] [2021-11-23 12:59:16,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:59:16,633 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:59:16,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:59:16,635 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:59:16,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 12:59:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:59:16,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:59:16,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:59:16,902 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 12:59:16,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:59:16,933 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 12:59:16,934 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:59:16,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [18038827] [2021-11-23 12:59:16,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [18038827] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:59:16,940 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:59:16,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-23 12:59:16,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680539021] [2021-11-23 12:59:16,941 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:59:16,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:59:16,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:59:16,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:59:16,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:59:16,945 INFO L87 Difference]: Start difference. First operand 2766 states and 3973 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:59:17,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:59:17,002 INFO L93 Difference]: Finished difference Result 2706 states and 3887 transitions. [2021-11-23 12:59:17,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:59:17,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-23 12:59:17,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:59:17,023 INFO L225 Difference]: With dead ends: 2706 [2021-11-23 12:59:17,023 INFO L226 Difference]: Without dead ends: 2706 [2021-11-23 12:59:17,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 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 12:59:17,026 INFO L933 BasicCegarLoop]: 1598 mSDtfsCounter, 3200 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3200 SdHoareTripleChecker+Valid, 1605 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 12:59:17,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3200 Valid, 1605 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:59:17,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2021-11-23 12:59:17,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 2706. [2021-11-23 12:59:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2003 states have (on average 1.9405891163255118) internal successors, (3887), 2705 states have internal predecessors, (3887), 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 12:59:17,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3887 transitions. [2021-11-23 12:59:17,112 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3887 transitions. Word has length 11 [2021-11-23 12:59:17,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:59:17,113 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 3887 transitions. [2021-11-23 12:59:17,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:59:17,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3887 transitions. [2021-11-23 12:59:17,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 12:59:17,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:59:17,114 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:59:17,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 12:59:17,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:59:17,329 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 12:59:17,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:59:17,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1659327634, now seen corresponding path program 1 times [2021-11-23 12:59:17,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:59:17,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347599975] [2021-11-23 12:59:17,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:59:17,331 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:59:17,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:59:17,332 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:59:17,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 12:59:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:59:17,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:59:17,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:59:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:59:17,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:59:17,619 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 12:59:17,619 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:59:17,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347599975] [2021-11-23 12:59:17,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347599975] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:59:17,620 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:59:17,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-23 12:59:17,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060896370] [2021-11-23 12:59:17,621 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:59:17,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 12:59:17,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:59:17,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 12:59:17,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:59:17,623 INFO L87 Difference]: Start difference. First operand 2706 states and 3887 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 12:59:17,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:59:17,740 INFO L93 Difference]: Finished difference Result 2678 states and 3831 transitions. [2021-11-23 12:59:17,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:59:17,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 12:59:17,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:59:17,759 INFO L225 Difference]: With dead ends: 2678 [2021-11-23 12:59:17,760 INFO L226 Difference]: Without dead ends: 2678 [2021-11-23 12:59:17,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 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 12:59:17,761 INFO L933 BasicCegarLoop]: 1553 mSDtfsCounter, 1571 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 3113 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 12:59:17,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1571 Valid, 3113 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:59:17,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2021-11-23 12:59:17,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 2676. [2021-11-23 12:59:17,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2676 states, 1987 states have (on average 1.9270256668344237) internal successors, (3829), 2675 states have internal predecessors, (3829), 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 12:59:17,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3829 transitions. [2021-11-23 12:59:17,841 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3829 transitions. Word has length 13 [2021-11-23 12:59:17,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:59:17,841 INFO L470 AbstractCegarLoop]: Abstraction has 2676 states and 3829 transitions. [2021-11-23 12:59:17,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 12:59:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3829 transitions. [2021-11-23 12:59:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 12:59:17,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:59:17,844 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] [2021-11-23 12:59:17,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-23 12:59:18,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:59:18,058 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr42REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 12:59:18,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:59:18,058 INFO L85 PathProgramCache]: Analyzing trace with hash 913198236, now seen corresponding path program 1 times [2021-11-23 12:59:18,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:59:18,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905942178] [2021-11-23 12:59:18,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:59:18,060 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:59:18,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:59:18,061 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:59:18,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-23 12:59:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:59:18,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:59:18,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:59:18,305 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 12:59:18,412 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 12:59:18,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:59:18,539 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 12:59:18,539 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:59:18,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905942178] [2021-11-23 12:59:18,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1905942178] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:59:18,540 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:59:18,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 12:59:18,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368529900] [2021-11-23 12:59:18,540 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:59:18,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:59:18,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:59:18,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:59:18,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:59:18,542 INFO L87 Difference]: Start difference. First operand 2676 states and 3829 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 12:59:23,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:59:23,077 INFO L93 Difference]: Finished difference Result 4223 states and 5832 transitions. [2021-11-23 12:59:23,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:59:23,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2021-11-23 12:59:23,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:59:23,135 INFO L225 Difference]: With dead ends: 4223 [2021-11-23 12:59:23,136 INFO L226 Difference]: Without dead ends: 4223 [2021-11-23 12:59:23,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 1 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 12:59:23,138 INFO L933 BasicCegarLoop]: 793 mSDtfsCounter, 3341 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3341 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-23 12:59:23,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3341 Valid, 1742 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1608 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-23 12:59:23,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4223 states. [2021-11-23 12:59:23,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4223 to 2672. [2021-11-23 12:59:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 1987 states have (on average 1.9229994967287367) internal successors, (3821), 2671 states have internal predecessors, (3821), 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 12:59:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3821 transitions. [2021-11-23 12:59:23,229 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3821 transitions. Word has length 27 [2021-11-23 12:59:23,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:59:23,230 INFO L470 AbstractCegarLoop]: Abstraction has 2672 states and 3821 transitions. [2021-11-23 12:59:23,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 12:59:23,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3821 transitions. [2021-11-23 12:59:23,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 12:59:23,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:59:23,233 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] [2021-11-23 12:59:23,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-23 12:59:23,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:59:23,448 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr43REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 12:59:23,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:59:23,449 INFO L85 PathProgramCache]: Analyzing trace with hash 913198237, now seen corresponding path program 1 times [2021-11-23 12:59:23,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:59:23,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039129512] [2021-11-23 12:59:23,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:59:23,449 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:59:23,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:59:23,450 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:59:23,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-23 12:59:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:59:23,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:59:23,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:59:23,642 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 12:59:23,905 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 12:59:23,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:59:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:59:24,411 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:59:24,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039129512] [2021-11-23 12:59:24,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039129512] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:59:24,412 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:59:24,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 12:59:24,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879723046] [2021-11-23 12:59:24,412 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:59:24,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:59:24,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:59:24,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:59:24,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:59:24,414 INFO L87 Difference]: Start difference. First operand 2672 states and 3821 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 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 12:59:37,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:59:37,782 INFO L93 Difference]: Finished difference Result 3484 states and 4679 transitions. [2021-11-23 12:59:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 12:59:37,783 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 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 27 [2021-11-23 12:59:37,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:59:37,802 INFO L225 Difference]: With dead ends: 3484 [2021-11-23 12:59:37,803 INFO L226 Difference]: Without dead ends: 3484 [2021-11-23 12:59:37,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 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 12:59:37,804 INFO L933 BasicCegarLoop]: 1127 mSDtfsCounter, 2400 mSDsluCounter, 2203 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 3330 SdHoareTripleChecker+Invalid, 2677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:59:37,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2400 Valid, 3330 Invalid, 2677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2021-11-23 12:59:37,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2021-11-23 12:59:37,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 2668. [2021-11-23 12:59:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2668 states, 1987 states have (on average 1.9189733266230498) internal successors, (3813), 2667 states have internal predecessors, (3813), 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 12:59:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2668 states and 3813 transitions. [2021-11-23 12:59:37,904 INFO L78 Accepts]: Start accepts. Automaton has 2668 states and 3813 transitions. Word has length 27 [2021-11-23 12:59:37,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:59:37,905 INFO L470 AbstractCegarLoop]: Abstraction has 2668 states and 3813 transitions. [2021-11-23 12:59:37,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 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 12:59:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 3813 transitions. [2021-11-23 12:59:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 12:59:37,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:59:37,907 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] [2021-11-23 12:59:37,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-23 12:59:38,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:59:38,124 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr107REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 12:59:38,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:59:38,125 INFO L85 PathProgramCache]: Analyzing trace with hash 944973104, now seen corresponding path program 1 times [2021-11-23 12:59:38,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:59:38,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308039964] [2021-11-23 12:59:38,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:59:38,126 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:59:38,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:59:38,127 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:59:38,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-23 12:59:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:59:38,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:59:38,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:59:38,499 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 12:59:38,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:59:38,615 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 12:59:38,615 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:59:38,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308039964] [2021-11-23 12:59:38,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308039964] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:59:38,616 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:59:38,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-23 12:59:38,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495798247] [2021-11-23 12:59:38,616 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:59:38,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:59:38,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:59:38,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:59:38,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:59:38,618 INFO L87 Difference]: Start difference. First operand 2668 states and 3813 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 12:59:38,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:59:38,700 INFO L93 Difference]: Finished difference Result 2656 states and 3793 transitions. [2021-11-23 12:59:38,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:59:38,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 42 [2021-11-23 12:59:38,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:59:38,715 INFO L225 Difference]: With dead ends: 2656 [2021-11-23 12:59:38,716 INFO L226 Difference]: Without dead ends: 2656 [2021-11-23 12:59:38,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 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 12:59:38,717 INFO L933 BasicCegarLoop]: 1547 mSDtfsCounter, 1547 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 3084 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:59:38,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1547 Valid, 3084 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:59:38,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2021-11-23 12:59:38,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2656. [2021-11-23 12:59:38,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2656 states, 1975 states have (on average 1.9205063291139242) internal successors, (3793), 2655 states have internal predecessors, (3793), 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 12:59:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2656 states and 3793 transitions. [2021-11-23 12:59:38,782 INFO L78 Accepts]: Start accepts. Automaton has 2656 states and 3793 transitions. Word has length 42 [2021-11-23 12:59:38,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:59:38,783 INFO L470 AbstractCegarLoop]: Abstraction has 2656 states and 3793 transitions. [2021-11-23 12:59:38,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 12:59:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 3793 transitions. [2021-11-23 12:59:38,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 12:59:38,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:59:38,785 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] [2021-11-23 12:59:38,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-23 12:59:39,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:59:39,005 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr107REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 12:59:39,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:59:39,006 INFO L85 PathProgramCache]: Analyzing trace with hash 29098340, now seen corresponding path program 1 times [2021-11-23 12:59:39,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:59:39,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527764687] [2021-11-23 12:59:39,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:59:39,007 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:59:39,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:59:39,008 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:59:39,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-23 12:59:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:59:39,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:59:39,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:59:39,662 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 12:59:39,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:59:40,057 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 12:59:40,058 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:59:40,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [527764687] [2021-11-23 12:59:40,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [527764687] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:59:40,058 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:59:40,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 12:59:40,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838163346] [2021-11-23 12:59:40,059 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:59:40,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:59:40,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:59:40,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:59:40,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:59:40,061 INFO L87 Difference]: Start difference. First operand 2656 states and 3793 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 12:59:40,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:59:40,306 INFO L93 Difference]: Finished difference Result 2667 states and 3642 transitions. [2021-11-23 12:59:40,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:59:40,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 50 [2021-11-23 12:59:40,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:59:40,319 INFO L225 Difference]: With dead ends: 2667 [2021-11-23 12:59:40,319 INFO L226 Difference]: Without dead ends: 2667 [2021-11-23 12:59:40,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 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 12:59:40,321 INFO L933 BasicCegarLoop]: 1626 mSDtfsCounter, 279 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 3040 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:59:40,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 3040 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 12:59:40,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2021-11-23 12:59:40,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2472. [2021-11-23 12:59:40,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2472 states, 1791 states have (on average 1.9195979899497488) internal successors, (3438), 2471 states have internal predecessors, (3438), 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 12:59:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2472 states and 3438 transitions. [2021-11-23 12:59:40,377 INFO L78 Accepts]: Start accepts. Automaton has 2472 states and 3438 transitions. Word has length 50 [2021-11-23 12:59:40,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:59:40,378 INFO L470 AbstractCegarLoop]: Abstraction has 2472 states and 3438 transitions. [2021-11-23 12:59:40,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 12:59:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 3438 transitions. [2021-11-23 12:59:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 12:59:40,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:59:40,380 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] [2021-11-23 12:59:40,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-23 12:59:40,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:59:40,599 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr61REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 12:59:40,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:59:40,600 INFO L85 PathProgramCache]: Analyzing trace with hash -839399161, now seen corresponding path program 1 times [2021-11-23 12:59:40,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:59:40,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994564823] [2021-11-23 12:59:40,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:59:40,601 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:59:40,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:59:40,602 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:59:40,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-23 12:59:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:59:40,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 12:59:40,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:59:41,009 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 12:59:41,014 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 12:59:41,692 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 12:59:41,692 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 24 treesize of output 26 [2021-11-23 12:59:41,706 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 12:59:41,706 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 23 treesize of output 19 [2021-11-23 12:59:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:59:41,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:59:48,041 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 12:59:48,041 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:59:48,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994564823] [2021-11-23 12:59:48,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994564823] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:59:48,042 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:59:48,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 12:59:48,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420673925] [2021-11-23 12:59:48,042 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:59:48,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:59:48,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:59:48,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:59:48,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-23 12:59:48,044 INFO L87 Difference]: Start difference. First operand 2472 states and 3438 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 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 12:59:55,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:59:55,892 INFO L93 Difference]: Finished difference Result 3490 states and 4621 transitions. [2021-11-23 12:59:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:59:55,893 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 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 53 [2021-11-23 12:59:55,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:59:55,905 INFO L225 Difference]: With dead ends: 3490 [2021-11-23 12:59:55,905 INFO L226 Difference]: Without dead ends: 3490 [2021-11-23 12:59:55,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-23 12:59:55,906 INFO L933 BasicCegarLoop]: 1165 mSDtfsCounter, 2209 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2209 SdHoareTripleChecker+Valid, 2950 SdHoareTripleChecker+Invalid, 3734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2322 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-23 12:59:55,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2209 Valid, 2950 Invalid, 3734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1372 Invalid, 0 Unknown, 2322 Unchecked, 7.7s Time] [2021-11-23 12:59:55,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3490 states. [2021-11-23 12:59:55,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3490 to 2442. [2021-11-23 12:59:55,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2442 states, 1793 states have (on average 1.882877858337981) internal successors, (3376), 2441 states have internal predecessors, (3376), 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 12:59:55,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2442 states and 3376 transitions. [2021-11-23 12:59:55,989 INFO L78 Accepts]: Start accepts. Automaton has 2442 states and 3376 transitions. Word has length 53 [2021-11-23 12:59:55,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:59:55,990 INFO L470 AbstractCegarLoop]: Abstraction has 2442 states and 3376 transitions. [2021-11-23 12:59:55,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 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 12:59:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 3376 transitions. [2021-11-23 12:59:55,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 12:59:55,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:59:55,994 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] [2021-11-23 12:59:56,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-23 12:59:56,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:59:56,213 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr63REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 12:59:56,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:59:56,213 INFO L85 PathProgramCache]: Analyzing trace with hash 791264744, now seen corresponding path program 1 times [2021-11-23 12:59:56,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:59:56,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155605152] [2021-11-23 12:59:56,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:59:56,214 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:59:56,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:59:56,215 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:59:56,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-23 12:59:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:59:56,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:59:56,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:59:56,700 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 12:59:56,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:59:56,786 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 12:59:57,056 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 12:59:57,056 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:59:57,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155605152] [2021-11-23 12:59:57,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155605152] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:59:57,056 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:59:57,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 12:59:57,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172779801] [2021-11-23 12:59:57,057 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:59:57,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:59:57,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:59:57,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:59:57,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:59:57,058 INFO L87 Difference]: Start difference. First operand 2442 states and 3376 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:59:59,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:59:59,955 INFO L93 Difference]: Finished difference Result 2440 states and 3372 transitions. [2021-11-23 12:59:59,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:59:59,956 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-23 12:59:59,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:59:59,961 INFO L225 Difference]: With dead ends: 2440 [2021-11-23 12:59:59,961 INFO L226 Difference]: Without dead ends: 2440 [2021-11-23 12:59:59,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:59:59,962 INFO L933 BasicCegarLoop]: 894 mSDtfsCounter, 2558 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-23 12:59:59,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2558 Valid, 1118 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-23 12:59:59,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2021-11-23 12:59:59,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 2440. [2021-11-23 12:59:59,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2440 states, 1793 states have (on average 1.8806469604015617) internal successors, (3372), 2439 states have internal predecessors, (3372), 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 12:59:59,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 3372 transitions. [2021-11-23 12:59:59,996 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 3372 transitions. Word has length 55 [2021-11-23 12:59:59,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:59:59,997 INFO L470 AbstractCegarLoop]: Abstraction has 2440 states and 3372 transitions. [2021-11-23 12:59:59,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:59:59,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 3372 transitions. [2021-11-23 12:59:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 12:59:59,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:59:59,998 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] [2021-11-23 13:00:00,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:00,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:00:00,212 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 13:00:00,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:00,213 INFO L85 PathProgramCache]: Analyzing trace with hash -416260760, now seen corresponding path program 1 times [2021-11-23 13:00:00,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:00:00,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638569965] [2021-11-23 13:00:00,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:00,213 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:00:00,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:00:00,214 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:00:00,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-23 13:00:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:00,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 13:00:00,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:00:00,519 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 13:00:00,534 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 13:00:00,568 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 13:00:00,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:00:00,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:00:00,715 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 13:00:00,715 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:00:00,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638569965] [2021-11-23 13:00:00,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1638569965] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:00:00,715 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:00:00,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-23 13:00:00,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827423429] [2021-11-23 13:00:00,716 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:00:00,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 13:00:00,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:00:00,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 13:00:00,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 13:00:00,717 INFO L87 Difference]: Start difference. First operand 2440 states and 3372 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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 13:00:09,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:00:09,158 INFO L93 Difference]: Finished difference Result 3615 states and 4861 transitions. [2021-11-23 13:00:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 13:00:09,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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 59 [2021-11-23 13:00:09,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:00:09,163 INFO L225 Difference]: With dead ends: 3615 [2021-11-23 13:00:09,163 INFO L226 Difference]: Without dead ends: 3615 [2021-11-23 13:00:09,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 109 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-23 13:00:09,164 INFO L933 BasicCegarLoop]: 948 mSDtfsCounter, 1371 mSDsluCounter, 3056 mSDsCounter, 0 mSdLazyCounter, 3403 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1371 SdHoareTripleChecker+Valid, 4004 SdHoareTripleChecker+Invalid, 3425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 3403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-11-23 13:00:09,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1371 Valid, 4004 Invalid, 3425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 3403 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2021-11-23 13:00:09,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3615 states. [2021-11-23 13:00:09,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3615 to 2439. [2021-11-23 13:00:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 1793 states have (on average 1.879531511433352) internal successors, (3370), 2438 states have internal predecessors, (3370), 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 13:00:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3370 transitions. [2021-11-23 13:00:09,229 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3370 transitions. Word has length 59 [2021-11-23 13:00:09,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:00:09,229 INFO L470 AbstractCegarLoop]: Abstraction has 2439 states and 3370 transitions. [2021-11-23 13:00:09,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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 13:00:09,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3370 transitions. [2021-11-23 13:00:09,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 13:00:09,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:00:09,230 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 13:00:09,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:09,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:00:09,431 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 13:00:09,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:09,432 INFO L85 PathProgramCache]: Analyzing trace with hash -19181353, now seen corresponding path program 1 times [2021-11-23 13:00:09,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:00:09,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179525250] [2021-11-23 13:00:09,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:09,432 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:00:09,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:00:09,433 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:00:09,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-23 13:00:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:09,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 13:00:09,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:00:09,694 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 13:00:09,725 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 13:00:09,740 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 13:00:09,790 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 13:00:09,793 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 13:00:09,854 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 13:00:09,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:00:10,215 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 13:00:10,215 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:00:10,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179525250] [2021-11-23 13:00:10,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179525250] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:00:10,215 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:00:10,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-23 13:00:10,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546569143] [2021-11-23 13:00:10,216 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:00:10,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 13:00:10,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:00:10,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 13:00:10,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-23 13:00:10,217 INFO L87 Difference]: Start difference. First operand 2439 states and 3370 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 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 13:00:38,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:00:38,261 INFO L93 Difference]: Finished difference Result 3161 states and 4116 transitions. [2021-11-23 13:00:38,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 13:00:38,262 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 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 13:00:38,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:00:38,267 INFO L225 Difference]: With dead ends: 3161 [2021-11-23 13:00:38,268 INFO L226 Difference]: Without dead ends: 3161 [2021-11-23 13:00:38,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 110 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 13:00:38,269 INFO L933 BasicCegarLoop]: 1338 mSDtfsCounter, 1373 mSDsluCounter, 6470 mSDsCounter, 0 mSdLazyCounter, 6405 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 7808 SdHoareTripleChecker+Invalid, 6422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 6405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2021-11-23 13:00:38,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1373 Valid, 7808 Invalid, 6422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 6405 Invalid, 0 Unknown, 0 Unchecked, 27.7s Time] [2021-11-23 13:00:38,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2021-11-23 13:00:38,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 2438. [2021-11-23 13:00:38,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2438 states, 1793 states have (on average 1.8784160624651423) internal successors, (3368), 2437 states have internal predecessors, (3368), 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 13:00:38,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2438 states and 3368 transitions. [2021-11-23 13:00:38,309 INFO L78 Accepts]: Start accepts. Automaton has 2438 states and 3368 transitions. Word has length 60 [2021-11-23 13:00:38,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:00:38,309 INFO L470 AbstractCegarLoop]: Abstraction has 2438 states and 3368 transitions. [2021-11-23 13:00:38,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 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 13:00:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 3368 transitions. [2021-11-23 13:00:38,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 13:00:38,311 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:00:38,311 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] [2021-11-23 13:00:38,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-23 13:00:38,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:00:38,528 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 13:00:38,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:38,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1927168386, now seen corresponding path program 1 times [2021-11-23 13:00:38,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:00:38,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35206862] [2021-11-23 13:00:38,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:38,530 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:00:38,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:00:38,531 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:00:38,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-23 13:00:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:38,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 13:00:38,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:00:38,954 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 13:00:38,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:00:39,048 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 13:00:39,049 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:00:39,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35206862] [2021-11-23 13:00:39,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35206862] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 13:00:39,049 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:00:39,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-23 13:00:39,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503103256] [2021-11-23 13:00:39,049 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 13:00:39,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 13:00:39,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:00:39,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 13:00:39,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 13:00:39,051 INFO L87 Difference]: Start difference. First operand 2438 states and 3368 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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 13:00:39,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:00:39,359 INFO L93 Difference]: Finished difference Result 4393 states and 5989 transitions. [2021-11-23 13:00:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 13:00:39,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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 64 [2021-11-23 13:00:39,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:00:39,379 INFO L225 Difference]: With dead ends: 4393 [2021-11-23 13:00:39,379 INFO L226 Difference]: Without dead ends: 4393 [2021-11-23 13:00:39,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 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 13:00:39,380 INFO L933 BasicCegarLoop]: 1984 mSDtfsCounter, 1500 mSDsluCounter, 6715 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 8699 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 13:00:39,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1500 Valid, 8699 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 13:00:39,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4393 states. [2021-11-23 13:00:39,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4393 to 2450. [2021-11-23 13:00:39,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2450 states, 1805 states have (on average 1.8725761772853187) internal successors, (3380), 2449 states have internal predecessors, (3380), 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 13:00:39,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2450 states and 3380 transitions. [2021-11-23 13:00:39,426 INFO L78 Accepts]: Start accepts. Automaton has 2450 states and 3380 transitions. Word has length 64 [2021-11-23 13:00:39,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:00:39,426 INFO L470 AbstractCegarLoop]: Abstraction has 2450 states and 3380 transitions. [2021-11-23 13:00:39,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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 13:00:39,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 3380 transitions. [2021-11-23 13:00:39,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 13:00:39,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:00:39,428 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] [2021-11-23 13:00:39,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:39,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:00:39,642 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 13:00:39,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:39,642 INFO L85 PathProgramCache]: Analyzing trace with hash -938951394, now seen corresponding path program 1 times [2021-11-23 13:00:39,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:00:39,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60629086] [2021-11-23 13:00:39,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:39,643 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:00:39,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:00:39,643 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:00:39,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-23 13:00:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:39,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 13:00:39,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:00:40,016 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 13:00:40,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:00:40,184 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 13:00:40,184 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:00:40,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60629086] [2021-11-23 13:00:40,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60629086] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 13:00:40,185 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 13:00:40,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-23 13:00:40,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251661075] [2021-11-23 13:00:40,185 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 13:00:40,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 13:00:40,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:00:40,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 13:00:40,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-23 13:00:40,186 INFO L87 Difference]: Start difference. First operand 2450 states and 3380 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:00:40,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:00:40,963 INFO L93 Difference]: Finished difference Result 3650 states and 4889 transitions. [2021-11-23 13:00:40,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 13:00:40,964 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-23 13:00:40,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:00:40,969 INFO L225 Difference]: With dead ends: 3650 [2021-11-23 13:00:40,969 INFO L226 Difference]: Without dead ends: 3650 [2021-11-23 13:00:40,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2021-11-23 13:00:40,971 INFO L933 BasicCegarLoop]: 1561 mSDtfsCounter, 1076 mSDsluCounter, 7662 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1076 SdHoareTripleChecker+Valid, 9223 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 13:00:40,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1076 Valid, 9223 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 13:00:40,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3650 states. [2021-11-23 13:00:41,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3650 to 2474. [2021-11-23 13:00:41,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2474 states, 1829 states have (on average 1.8611262985237835) internal successors, (3404), 2473 states have internal predecessors, (3404), 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 13:00:41,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3404 transitions. [2021-11-23 13:00:41,010 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3404 transitions. Word has length 66 [2021-11-23 13:00:41,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:00:41,010 INFO L470 AbstractCegarLoop]: Abstraction has 2474 states and 3404 transitions. [2021-11-23 13:00:41,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:00:41,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3404 transitions. [2021-11-23 13:00:41,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 13:00:41,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:00:41,011 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] [2021-11-23 13:00:41,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:41,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:00:41,225 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 13:00:41,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:41,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1093747294, now seen corresponding path program 2 times [2021-11-23 13:00:41,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:00:41,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480260507] [2021-11-23 13:00:41,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 13:00:41,226 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:00:41,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:00:41,226 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:00:41,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-23 13:00:41,634 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 13:00:41,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 13:00:41,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 13:00:41,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:00:41,969 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 13:00:41,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:00:42,666 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 13:00:42,666 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:00:42,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480260507] [2021-11-23 13:00:42,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480260507] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 13:00:42,667 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 13:00:42,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-11-23 13:00:42,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135809325] [2021-11-23 13:00:42,667 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 13:00:42,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-23 13:00:42,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:00:42,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-23 13:00:42,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-23 13:00:42,668 INFO L87 Difference]: Start difference. First operand 2474 states and 3404 transitions. Second operand has 18 states, 18 states have (on average 4.444444444444445) internal successors, (80), 18 states have internal predecessors, (80), 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 13:00:50,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:00:50,761 INFO L93 Difference]: Finished difference Result 10557 states and 14377 transitions. [2021-11-23 13:00:50,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-23 13:00:50,763 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.444444444444445) internal successors, (80), 18 states have internal predecessors, (80), 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 70 [2021-11-23 13:00:50,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:00:50,777 INFO L225 Difference]: With dead ends: 10557 [2021-11-23 13:00:50,778 INFO L226 Difference]: Without dead ends: 10557 [2021-11-23 13:00:50,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=454, Invalid=952, Unknown=0, NotChecked=0, Total=1406 [2021-11-23 13:00:50,780 INFO L933 BasicCegarLoop]: 5702 mSDtfsCounter, 18457 mSDsluCounter, 32249 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18457 SdHoareTripleChecker+Valid, 37951 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-23 13:00:50,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18457 Valid, 37951 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-11-23 13:00:50,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10557 states. [2021-11-23 13:00:50,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10557 to 2550. [2021-11-23 13:00:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2550 states, 1905 states have (on average 1.8456692913385826) internal successors, (3516), 2549 states have internal predecessors, (3516), 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 13:00:50,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3516 transitions. [2021-11-23 13:00:50,871 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3516 transitions. Word has length 70 [2021-11-23 13:00:50,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:00:50,871 INFO L470 AbstractCegarLoop]: Abstraction has 2550 states and 3516 transitions. [2021-11-23 13:00:50,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.444444444444445) internal successors, (80), 18 states have internal predecessors, (80), 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 13:00:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3516 transitions. [2021-11-23 13:00:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 13:00:50,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:00:50,873 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] [2021-11-23 13:00:50,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:51,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:00:51,089 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 13:00:51,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:51,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1408996130, now seen corresponding path program 3 times [2021-11-23 13:00:51,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:00:51,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898640907] [2021-11-23 13:00:51,090 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 13:00:51,090 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:00:51,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:00:51,092 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:00:51,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-23 13:00:51,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-23 13:00:51,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 13:00:51,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 13:00:51,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:00:52,448 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 13:00:52,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:00:54,108 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 13:00:54,109 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:00:54,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898640907] [2021-11-23 13:00:54,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898640907] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 13:00:54,109 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 13:00:54,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2021-11-23 13:00:54,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794695417] [2021-11-23 13:00:54,110 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 13:00:54,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-23 13:00:54,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:00:54,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-23 13:00:54,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2021-11-23 13:00:54,113 INFO L87 Difference]: Start difference. First operand 2550 states and 3516 transitions. Second operand has 34 states, 34 states have (on average 2.823529411764706) internal successors, (96), 34 states have internal predecessors, (96), 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 13:01:18,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:01:18,632 INFO L93 Difference]: Finished difference Result 28205 states and 39025 transitions. [2021-11-23 13:01:18,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-23 13:01:18,633 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.823529411764706) internal successors, (96), 34 states have internal predecessors, (96), 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 78 [2021-11-23 13:01:18,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:01:18,666 INFO L225 Difference]: With dead ends: 28205 [2021-11-23 13:01:18,666 INFO L226 Difference]: Without dead ends: 28205 [2021-11-23 13:01:18,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1547 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=1644, Invalid=4208, Unknown=0, NotChecked=0, Total=5852 [2021-11-23 13:01:18,668 INFO L933 BasicCegarLoop]: 16838 mSDtfsCounter, 48402 mSDsluCounter, 234128 mSDsCounter, 0 mSdLazyCounter, 3115 mSolverCounterSat, 600 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48402 SdHoareTripleChecker+Valid, 250966 SdHoareTripleChecker+Invalid, 3715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 600 IncrementalHoareTripleChecker+Valid, 3115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2021-11-23 13:01:18,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48402 Valid, 250966 Invalid, 3715 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [600 Valid, 3115 Invalid, 0 Unknown, 0 Unchecked, 16.6s Time] [2021-11-23 13:01:18,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28205 states. [2021-11-23 13:01:18,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28205 to 2678. [2021-11-23 13:01:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2678 states, 2033 states have (on average 1.8199704869650764) internal successors, (3700), 2677 states have internal predecessors, (3700), 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 13:01:18,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2678 states and 3700 transitions. [2021-11-23 13:01:18,847 INFO L78 Accepts]: Start accepts. Automaton has 2678 states and 3700 transitions. Word has length 78 [2021-11-23 13:01:18,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:01:18,848 INFO L470 AbstractCegarLoop]: Abstraction has 2678 states and 3700 transitions. [2021-11-23 13:01:18,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.823529411764706) internal successors, (96), 34 states have internal predecessors, (96), 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 13:01:18,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2678 states and 3700 transitions. [2021-11-23 13:01:18,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 13:01:18,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:01:18,849 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] [2021-11-23 13:01:18,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-23 13:01:19,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:01:19,067 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 13:01:19,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:01:19,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2005712418, now seen corresponding path program 4 times [2021-11-23 13:01:19,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:01:19,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165618764] [2021-11-23 13:01:19,069 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 13:01:19,069 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:01:19,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:01:19,071 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:01:19,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-23 13:01:19,482 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 13:01:19,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 13:01:19,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 13:01:19,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:01:21,313 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 13:01:21,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:01:24,731 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 13:01:24,731 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:01:24,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165618764] [2021-11-23 13:01:24,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165618764] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 13:01:24,732 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 13:01:24,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2021-11-23 13:01:24,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935933354] [2021-11-23 13:01:24,732 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 13:01:24,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-11-23 13:01:24,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:01:24,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-11-23 13:01:24,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1000, Invalid=3290, Unknown=0, NotChecked=0, Total=4290 [2021-11-23 13:01:24,736 INFO L87 Difference]: Start difference. First operand 2678 states and 3700 transitions. Second operand has 66 states, 66 states have (on average 1.9393939393939394) internal successors, (128), 66 states have internal predecessors, (128), 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 13:04:14,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:04:14,957 INFO L93 Difference]: Finished difference Result 3974 states and 5265 transitions. [2021-11-23 13:04:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-23 13:04:14,959 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 1.9393939393939394) internal successors, (128), 66 states have internal predecessors, (128), 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 94 [2021-11-23 13:04:14,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:04:14,962 INFO L225 Difference]: With dead ends: 3974 [2021-11-23 13:04:14,962 INFO L226 Difference]: Without dead ends: 3974 [2021-11-23 13:04:14,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3304 ImplicationChecksByTransitivity, 35.8s TimeCoverageRelationStatistics Valid=3577, Invalid=8413, Unknown=0, NotChecked=0, Total=11990 [2021-11-23 13:04:14,967 INFO L933 BasicCegarLoop]: 1561 mSDtfsCounter, 1076 mSDsluCounter, 52310 mSDsCounter, 0 mSdLazyCounter, 2629 mSolverCounterSat, 1714 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 137.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1076 SdHoareTripleChecker+Valid, 53871 SdHoareTripleChecker+Invalid, 4343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1714 IncrementalHoareTripleChecker+Valid, 2629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 138.7s IncrementalHoareTripleChecker+Time [2021-11-23 13:04:14,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1076 Valid, 53871 Invalid, 4343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1714 Valid, 2629 Invalid, 0 Unknown, 0 Unchecked, 138.7s Time] [2021-11-23 13:04:14,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3974 states. [2021-11-23 13:04:15,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3974 to 2798. [2021-11-23 13:04:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2798 states, 2153 states have (on average 1.755689735253135) internal successors, (3780), 2797 states have internal predecessors, (3780), 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 13:04:15,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2798 states and 3780 transitions. [2021-11-23 13:04:15,014 INFO L78 Accepts]: Start accepts. Automaton has 2798 states and 3780 transitions. Word has length 94 [2021-11-23 13:04:15,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:04:15,014 INFO L470 AbstractCegarLoop]: Abstraction has 2798 states and 3780 transitions. [2021-11-23 13:04:15,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 1.9393939393939394) internal successors, (128), 66 states have internal predecessors, (128), 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 13:04:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3780 transitions. [2021-11-23 13:04:15,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 13:04:15,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:04:15,016 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] [2021-11-23 13:04:15,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-23 13:04:15,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:04:15,245 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 13:04:15,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:04:15,245 INFO L85 PathProgramCache]: Analyzing trace with hash -12810178, now seen corresponding path program 5 times [2021-11-23 13:04:15,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:04:15,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459705808] [2021-11-23 13:04:15,247 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-23 13:04:15,247 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:04:15,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:04:15,248 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:04:15,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-23 13:04:16,593 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-11-23 13:04:16,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 13:04:16,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 13:04:16,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:04:16,640 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 13:04:16,841 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-23 13:04:16,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 26 [2021-11-23 13:04:16,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2021-11-23 13:04:17,189 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-23 13:04:17,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 35 [2021-11-23 13:04:17,362 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:17,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:04:20,261 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:20,261 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 58 treesize of output 48 [2021-11-23 13:04:24,881 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:24,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:04:26,821 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:26,821 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 57 treesize of output 47 [2021-11-23 13:04:27,785 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:27,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-23 13:04:28,475 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:28,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 13:04:28,609 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:28,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:04:31,580 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:31,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-23 13:04:31,729 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:31,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-23 13:04:33,203 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:33,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:04:33,350 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:33,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:04:36,633 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:36,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-23 13:04:37,907 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:37,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:04:38,108 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:38,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:04:38,309 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:38,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-23 13:04:39,625 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:39,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-23 13:04:40,539 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:40,540 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 58 treesize of output 48 [2021-11-23 13:04:40,711 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:40,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:04:40,884 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:40,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:04:45,145 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:45,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-23 13:04:48,022 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:48,022 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 60 treesize of output 50 [2021-11-23 13:04:52,563 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:52,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-23 13:04:52,694 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:52,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:04:54,078 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:54,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:04:55,155 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:55,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 13:04:58,391 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:58,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:04:58,506 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:04:58,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:05:00,338 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:00,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 13:05:00,519 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:00,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 13:05:02,061 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:02,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:05:02,854 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:02,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 13:05:04,340 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:04,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:05:04,446 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:04,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:05:05,056 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:05,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-23 13:05:05,180 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:05,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:05:06,471 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:06,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-23 13:05:07,072 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:07,072 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 57 treesize of output 47 [2021-11-23 13:05:09,716 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:09,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-23 13:05:13,286 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:13,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:05:13,407 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:13,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-23 13:05:13,538 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:13,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-23 13:05:14,231 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:14,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-23 13:05:14,340 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:05:14,341 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 66 treesize of output 47 [2021-11-23 13:05:14,538 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-23 13:05:14,538 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 72 treesize of output 33 [2021-11-23 13:05:14,573 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 13:05:14,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:06:13,143 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_204| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_204| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))))))) is different from false [2021-11-23 13:06:57,120 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_224| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_224| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))) (_ bv1 1)))) is different from false [2021-11-23 13:07:14,050 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_230| (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$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|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_230| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))))) is different from false [2021-11-23 13:07:52,147 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_252| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_252| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))) (_ bv1 1)))) is different from false [2021-11-23 13:08:11,235 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_262| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$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|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_262| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))) (_ bv1 1)))) is different from false [2021-11-23 13:08:22,682 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_270| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_270| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))) (_ bv1 1)))) is different from false [2021-11-23 13:08:32,893 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_270| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (store |c_#memory_$Pointer$.base| .cse0 (store (store (select |c_#memory_$Pointer$.base| .cse0) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1_270| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))))))))) (_ bv1 1)))) is different from false [2021-11-23 13:08:35,732 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 199 proven. 38 refuted. 232 times theorem prover too weak. 272 trivial. 249 not checked. [2021-11-23 13:08:35,732 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 13:08:35,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459705808] [2021-11-23 13:08:35,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459705808] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 13:08:35,733 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 13:08:35,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16] total 24 [2021-11-23 13:08:35,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313537642] [2021-11-23 13:08:35,734 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 13:08:35,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-23 13:08:35,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 13:08:35,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-23 13:08:35,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=228, Unknown=19, NotChecked=266, Total=600 [2021-11-23 13:08:35,736 INFO L87 Difference]: Start difference. First operand 2798 states and 3780 transitions. Second operand has 25 states, 24 states have (on average 6.083333333333333) internal successors, (146), 25 states have internal predecessors, (146), 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 13:08:44,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:08:44,378 INFO L93 Difference]: Finished difference Result 2797 states and 3778 transitions. [2021-11-23 13:08:44,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 13:08:44,379 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.083333333333333) internal successors, (146), 25 states have internal predecessors, (146), 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 108 [2021-11-23 13:08:44,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:08:44,381 INFO L225 Difference]: With dead ends: 2797 [2021-11-23 13:08:44,381 INFO L226 Difference]: Without dead ends: 2797 [2021-11-23 13:08:44,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 115 SyntacticMatches, 80 SemanticMatches, 26 ConstructedPredicates, 7 IntricatePredicates, 1 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 205.2s TimeCoverageRelationStatistics Valid=119, Invalid=309, Unknown=20, NotChecked=308, Total=756 [2021-11-23 13:08:44,383 INFO L933 BasicCegarLoop]: 1492 mSDtfsCounter, 10 mSDsluCounter, 11492 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 12984 SdHoareTripleChecker+Invalid, 8797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7309 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-23 13:08:44,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 12984 Invalid, 8797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1488 Invalid, 0 Unknown, 7309 Unchecked, 4.6s Time] [2021-11-23 13:08:44,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2021-11-23 13:08:44,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 2797. [2021-11-23 13:08:44,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2797 states, 2153 states have (on average 1.7547607988852763) internal successors, (3778), 2796 states have internal predecessors, (3778), 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 13:08:44,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2797 states and 3778 transitions. [2021-11-23 13:08:44,430 INFO L78 Accepts]: Start accepts. Automaton has 2797 states and 3778 transitions. Word has length 108 [2021-11-23 13:08:44,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:08:44,430 INFO L470 AbstractCegarLoop]: Abstraction has 2797 states and 3778 transitions. [2021-11-23 13:08:44,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.083333333333333) internal successors, (146), 25 states have internal predecessors, (146), 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 13:08:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 3778 transitions. [2021-11-23 13:08:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 13:08:44,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:08:44,436 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] [2021-11-23 13:08:44,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-23 13:08:44,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:08:44,657 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 834 more)] === [2021-11-23 13:08:44,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:08:44,658 INFO L85 PathProgramCache]: Analyzing trace with hash -12810177, now seen corresponding path program 1 times [2021-11-23 13:08:44,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:08:44,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957252812] [2021-11-23 13:08:44,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:08:44,659 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:08:44,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:08:44,660 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:08:44,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f6d8c3-9774-4fe1-bb0d-73153c36f49f/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-23 13:08:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:08:45,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-23 13:08:45,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:08:45,261 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 13:08:45,447 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 13:08:45,466 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 13:08:45,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2021-11-23 13:08:45,498 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 13:08:45,517 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 13:08:45,894 INFO L354 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2021-11-23 13:08:45,895 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 13:08:45,931 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-23 13:08:45,931 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 13:08:47,246 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:08:47,246 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 13:08:47,925 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:08:47,926 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 13:08:50,221 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:08:50,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 13:08:50,313 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:08:50,313 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 13:08:50,974 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:08:50,974 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 13:08:51,511 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:08:51,512 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 13:08:52,869 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:08:52,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 13:08:53,922 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:08:53,923 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 13:08:54,102 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:08:54,103 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 88 treesize of output 90 [2021-11-23 13:08:54,160 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:08:54,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 13:08:54,345 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:08:54,346 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 13:08:54,407 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:08:54,407 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 13:08:55,334 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:08:55,335 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 13:08:56,691 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:08:56,691 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 13:08:59,088 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:08:59,088 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 13:09:03,159 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:03,159 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 13:09:03,377 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:03,378 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 13:09:03,442 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:03,443 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 13:09:03,631 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:03,632 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 13:09:03,693 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:03,693 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 13:09:03,851 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:03,852 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 13:09:03,899 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:03,900 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 13:09:05,777 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:05,777 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 13:09:05,855 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:05,855 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 13:09:06,071 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:06,072 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 88 treesize of output 90 [2021-11-23 13:09:08,107 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:08,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 13:09:08,322 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:08,323 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 13:09:12,022 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:12,022 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 13:09:12,693 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:12,693 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 13:09:12,761 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:12,762 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 84 treesize of output 74 [2021-11-23 13:09:12,931 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:12,931 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 13:09:14,119 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:14,119 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 13:09:14,287 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:14,288 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 13:09:15,147 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:15,147 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 13:09:15,334 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:15,334 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 13:09:18,867 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:18,867 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 13:09:21,670 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:21,670 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 13:09:23,582 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:23,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 13:09:24,283 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:24,283 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 13:09:24,340 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:24,340 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 13:09:24,504 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:24,504 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 13:09:26,183 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:26,184 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 13:09:26,336 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:26,336 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 13:09:26,390 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:26,390 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 13:09:27,430 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:27,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 13:09:27,482 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:27,482 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 13:09:28,177 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:28,178 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 13:09:28,233 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:28,233 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 13:09:29,878 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:29,879 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 13:09:29,942 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:29,942 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 13:09:34,101 INFO L354 Elim1Store]: treesize reduction 78, result has 21.2 percent of original size [2021-11-23 13:09:34,102 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 92 [2021-11-23 13:09:36,327 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:36,327 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 13:09:36,490 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:36,490 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 13:09:37,738 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:37,738 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 13:09:37,902 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:37,902 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 13:09:42,219 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:42,219 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 13:09:42,392 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:42,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 13:09:45,793 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:45,793 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 13:09:47,831 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:47,832 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 13:09:47,887 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:47,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 13:09:48,073 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:48,074 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 13:09:50,656 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:50,657 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 13:09:50,832 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:50,832 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 13:09:52,632 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:52,633 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 13:09:52,808 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:52,809 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 13:09:57,302 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:09:57,302 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 13:09:59,640 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:09:59,640 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 13:10:02,053 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:10:02,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 13:10:06,245 INFO L354 Elim1Store]: treesize reduction 76, result has 23.2 percent of original size [2021-11-23 13:10:06,246 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 13:10:06,694 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:10:06,694 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 13:10:06,872 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:10:06,873 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 13:10:06,953 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:10:06,953 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 13:10:11,040 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:10:11,040 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 13:10:11,092 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:10:11,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 13:10:12,813 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:10:12,813 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 88 treesize of output 90 [2021-11-23 13:10:14,706 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:10:14,707 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 13:10:14,894 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:10:14,894 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 13:10:14,970 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:10:14,971 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 84 treesize of output 74 [2021-11-23 13:10:15,790 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:10:15,791 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 13:10:15,847 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:10:15,848 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 13:10:16,037 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:10:16,038 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 13:10:17,693 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:10:17,693 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 13:10:17,859 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-23 13:10:17,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 13:10:17,915 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:10:17,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 74 [2021-11-23 13:10:18,621 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 13:10:18,621 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 78 [2021-11-23 13:10:19,648 INFO L354 Elim1Store]: treesize reduction 104, result has 19.4 percent of original size [2021-11-23 13:10:19,649 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 13:10:20,012 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-23 13:10:20,012 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 13:10:20,023 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-23 13:10:20,023 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 13:10:20,059 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 13:10:20,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:10:51,979 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_10 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$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$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_10 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse0 (_ bv16 32)) (bvadd .cse0 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32)) (v_subst_9 (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_9 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$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 13:11:11,898 WARN L227 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 13:11:23,475 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_20 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$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$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_20 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse0 (_ bv16 32)) (bvadd .cse0 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32)) (v_subst_19 (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_19 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$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 13:11:32,793 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32)) (v_subst_23 (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_23 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$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$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32)) (v_subst_24 (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$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~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_24 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse4 (_ bv16 32)) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-23 13:12:26,824 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32)) (v_subst_45 (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_45 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$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$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr362#1| (_ BitVec 32)) (v_subst_46 (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$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~loopctr362#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_46 |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