./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:17:03,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:17:03,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:17:04,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:17:04,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:17:04,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:17:04,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:17:04,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:17:04,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:17:04,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:17:04,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:17:04,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:17:04,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:17:04,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:17:04,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:17:04,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:17:04,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:17:04,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:17:04,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:17:04,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:17:04,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:17:04,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:17:04,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:17:04,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:17:04,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:17:04,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:17:04,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:17:04,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:17:04,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:17:04,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:17:04,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:17:04,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:17:04,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:17:04,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:17:04,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:17:04,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:17:04,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:17:04,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:17:04,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:17:04,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:17:04,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:17:04,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-23 03:17:04,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:17:04,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:17:04,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:17:04,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:17:04,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:17:04,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:17:04,146 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:17:04,146 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:17:04,146 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:17:04,147 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:17:04,148 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:17:04,148 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:17:04,148 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:17:04,148 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:17:04,148 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:17:04,149 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:17:04,149 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:17:04,149 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:17:04,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 03:17:04,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 03:17:04,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:17:04,150 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:17:04,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:17:04,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:17:04,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:17:04,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:17:04,154 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 03:17:04,154 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 03:17:04,154 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 03:17:04,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:17:04,155 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:17:04,155 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:17:04,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:17:04,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:17:04,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:17:04,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:17:04,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:17:04,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:17:04,156 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:17:04,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:17:04,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:17:04,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:17:04,157 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 [2021-11-23 03:17:04,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:17:04,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:17:04,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:17:04,467 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:17:04,468 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:17:04,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2021-11-23 03:17:04,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/data/1e79b96d6/dfa78c35f6c146b781b828f9944b6e85/FLAGe05f45b84 [2021-11-23 03:17:05,124 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:17:05,124 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2021-11-23 03:17:05,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/data/1e79b96d6/dfa78c35f6c146b781b828f9944b6e85/FLAGe05f45b84 [2021-11-23 03:17:05,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/data/1e79b96d6/dfa78c35f6c146b781b828f9944b6e85 [2021-11-23 03:17:05,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:17:05,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:17:05,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:17:05,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:17:05,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:17:05,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:05" (1/1) ... [2021-11-23 03:17:05,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344dd57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:05, skipping insertion in model container [2021-11-23 03:17:05,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:05" (1/1) ... [2021-11-23 03:17:05,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:17:05,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:17:05,867 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_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[33021,33034] [2021-11-23 03:17:06,022 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_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[45234,45247] [2021-11-23 03:17:06,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:17:06,053 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 03:17:06,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61e72eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:06, skipping insertion in model container [2021-11-23 03:17:06,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:17:06,054 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:17:06,056 INFO L158 Benchmark]: Toolchain (without parser) took 693.19ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 76.1MB in the end (delta: -22.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:17:06,057 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 64.3MB in the beginning and 64.2MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:17:06,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.75ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 53.6MB in the beginning and 76.1MB in the end (delta: -22.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:17:06,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 64.3MB in the beginning and 64.2MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.75ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 53.6MB in the beginning and 76.1MB in the end (delta: -22.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 766]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:17:08,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:17:08,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:17:08,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:17:08,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:17:08,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:17:08,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:17:08,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:17:08,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:17:08,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:17:08,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:17:08,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:17:08,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:17:08,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:17:08,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:17:08,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:17:08,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:17:08,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:17:08,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:17:08,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:17:08,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:17:08,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:17:08,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:17:08,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:17:08,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:17:08,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:17:08,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:17:08,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:17:08,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:17:08,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:17:08,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:17:08,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:17:08,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:17:08,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:17:08,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:17:08,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:17:08,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:17:08,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:17:08,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:17:08,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:17:08,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:17:08,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-23 03:17:08,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:17:08,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:17:08,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:17:08,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:17:08,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:17:08,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:17:08,379 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:17:08,380 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:17:08,380 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:17:08,380 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:17:08,380 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:17:08,381 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:17:08,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 03:17:08,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 03:17:08,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:17:08,382 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:17:08,383 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:17:08,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:17:08,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:17:08,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:17:08,384 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 03:17:08,384 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 03:17:08,384 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 03:17:08,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:17:08,385 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:17:08,385 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 03:17:08,385 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 03:17:08,385 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:17:08,386 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:17:08,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:17:08,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:17:08,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:17:08,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:17:08,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:17:08,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:17:08,388 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 03:17:08,388 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 03:17:08,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:17:08,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:17:08,389 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_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 [2021-11-23 03:17:08,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:17:08,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:17:08,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:17:08,755 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:17:08,756 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:17:08,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2021-11-23 03:17:08,825 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/data/7d26ce7d3/29ebd3685620470c917c49b554845c89/FLAGe4afb857d [2021-11-23 03:17:09,520 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:17:09,521 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2021-11-23 03:17:09,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/data/7d26ce7d3/29ebd3685620470c917c49b554845c89/FLAGe4afb857d [2021-11-23 03:17:09,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/data/7d26ce7d3/29ebd3685620470c917c49b554845c89 [2021-11-23 03:17:09,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:17:09,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:17:09,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:17:09,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:17:09,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:17:09,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:09" (1/1) ... [2021-11-23 03:17:09,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4933993f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:09, skipping insertion in model container [2021-11-23 03:17:09,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:09" (1/1) ... [2021-11-23 03:17:09,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:17:09,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:17:10,338 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_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[33021,33034] [2021-11-23 03:17:10,524 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_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[45234,45247] [2021-11-23 03:17:10,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:17:10,582 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 03:17:10,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:17:10,639 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_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[33021,33034] [2021-11-23 03:17:10,752 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_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[45234,45247] [2021-11-23 03:17:10,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:17:10,786 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:17:10,825 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_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[33021,33034] [2021-11-23 03:17:10,889 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_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[45234,45247] [2021-11-23 03:17:10,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:17:10,939 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:17:10,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:10 WrapperNode [2021-11-23 03:17:10,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:17:10,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:17:10,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:17:10,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:17:10,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:10" (1/1) ... [2021-11-23 03:17:11,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:10" (1/1) ... [2021-11-23 03:17:11,099 INFO L137 Inliner]: procedures = 180, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1175 [2021-11-23 03:17:11,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:17:11,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:17:11,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:17:11,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:17:11,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:10" (1/1) ... [2021-11-23 03:17:11,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:10" (1/1) ... [2021-11-23 03:17:11,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:10" (1/1) ... [2021-11-23 03:17:11,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:10" (1/1) ... [2021-11-23 03:17:11,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:10" (1/1) ... [2021-11-23 03:17:11,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:10" (1/1) ... [2021-11-23 03:17:11,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:10" (1/1) ... [2021-11-23 03:17:11,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:17:11,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:17:11,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:17:11,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:17:11,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:10" (1/1) ... [2021-11-23 03:17:11,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:17:11,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:17:11,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:17:11,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:17:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 03:17:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 03:17:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:17:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:17:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:17:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:17:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-23 03:17:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-23 03:17:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:17:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:17:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:17:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:17:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:17:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:17:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:17:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 03:17:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 03:17:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:17:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:17:11,541 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:17:11,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:17:11,546 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 03:17:16,815 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:17:16,829 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:17:16,829 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-23 03:17:16,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:16 BoogieIcfgContainer [2021-11-23 03:17:16,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:17:16,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:17:16,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:17:16,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:17:16,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:17:09" (1/3) ... [2021-11-23 03:17:16,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ded1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:17:16, skipping insertion in model container [2021-11-23 03:17:16,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:10" (2/3) ... [2021-11-23 03:17:16,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ded1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:17:16, skipping insertion in model container [2021-11-23 03:17:16,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:16" (3/3) ... [2021-11-23 03:17:16,842 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-2.i [2021-11-23 03:17:16,847 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:17:16,847 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 641 error locations. [2021-11-23 03:17:16,892 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:17:16,899 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 03:17:16,899 INFO L340 AbstractCegarLoop]: Starting to check reachability of 641 error locations. [2021-11-23 03:17:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand has 1296 states, 634 states have (on average 2.2539432176656153) internal successors, (1429), 1287 states have internal predecessors, (1429), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-23 03:17:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 03:17:16,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:16,945 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 03:17:16,945 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:16,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:16,951 INFO L85 PathProgramCache]: Analyzing trace with hash 132136, now seen corresponding path program 1 times [2021-11-23 03:17:16,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:16,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243566558] [2021-11-23 03:17:16,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:16,964 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:16,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:16,969 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:17,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 03:17:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:17,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:17:17,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:17,302 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 03:17:17,316 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 03:17:17,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:17,347 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 03:17:17,347 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:17,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243566558] [2021-11-23 03:17:17,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243566558] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:17,349 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:17,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 03:17:17,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145077664] [2021-11-23 03:17:17,351 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:17,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:17:17,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:17,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:17:17,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:17:17,392 INFO L87 Difference]: Start difference. First operand has 1296 states, 634 states have (on average 2.2539432176656153) internal successors, (1429), 1287 states have internal predecessors, (1429), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:19,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:19,877 INFO L93 Difference]: Finished difference Result 1476 states and 1582 transitions. [2021-11-23 03:17:19,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:17:19,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-23 03:17:19,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:19,899 INFO L225 Difference]: With dead ends: 1476 [2021-11-23 03:17:19,899 INFO L226 Difference]: Without dead ends: 1474 [2021-11-23 03:17:19,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:17:19,905 INFO L933 BasicCegarLoop]: 817 mSDtfsCounter, 1162 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:17:19,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1166 Valid, 1048 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 03:17:19,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2021-11-23 03:17:20,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1285. [2021-11-23 03:17:20,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 637 states have (on average 2.111459968602826) internal successors, (1345), 1275 states have internal predecessors, (1345), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-23 03:17:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1387 transitions. [2021-11-23 03:17:20,027 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1387 transitions. Word has length 3 [2021-11-23 03:17:20,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:20,028 INFO L470 AbstractCegarLoop]: Abstraction has 1285 states and 1387 transitions. [2021-11-23 03:17:20,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:20,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1387 transitions. [2021-11-23 03:17:20,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 03:17:20,029 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:20,029 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 03:17:20,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:17:20,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:17:20,250 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:20,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:20,251 INFO L85 PathProgramCache]: Analyzing trace with hash 132137, now seen corresponding path program 1 times [2021-11-23 03:17:20,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:20,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968664933] [2021-11-23 03:17:20,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:20,252 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:20,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:20,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:20,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 03:17:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:20,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:17:20,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:20,412 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 03:17:20,422 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 03:17:20,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:20,471 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 03:17:20,471 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:20,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968664933] [2021-11-23 03:17:20,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968664933] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:20,472 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:20,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-23 03:17:20,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229526018] [2021-11-23 03:17:20,473 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:20,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:17:20,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:20,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:17:20,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:17:20,475 INFO L87 Difference]: Start difference. First operand 1285 states and 1387 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:25,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:25,595 INFO L93 Difference]: Finished difference Result 1960 states and 2107 transitions. [2021-11-23 03:17:25,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:17:25,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-23 03:17:25,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:25,608 INFO L225 Difference]: With dead ends: 1960 [2021-11-23 03:17:25,608 INFO L226 Difference]: Without dead ends: 1960 [2021-11-23 03:17:25,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:17:25,610 INFO L933 BasicCegarLoop]: 946 mSDtfsCounter, 2187 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2190 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:17:25,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2190 Valid, 1740 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-23 03:17:25,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2021-11-23 03:17:25,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1324. [2021-11-23 03:17:25,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 684 states have (on average 2.0921052631578947) internal successors, (1431), 1313 states have internal predecessors, (1431), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-23 03:17:25,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1475 transitions. [2021-11-23 03:17:25,657 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1475 transitions. Word has length 3 [2021-11-23 03:17:25,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:25,658 INFO L470 AbstractCegarLoop]: Abstraction has 1324 states and 1475 transitions. [2021-11-23 03:17:25,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:25,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1475 transitions. [2021-11-23 03:17:25,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 03:17:25,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:25,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:17:25,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:17:25,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:17:25,870 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:25,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:25,871 INFO L85 PathProgramCache]: Analyzing trace with hash -846217710, now seen corresponding path program 1 times [2021-11-23 03:17:25,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:25,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784182426] [2021-11-23 03:17:25,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:25,872 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:25,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:25,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:25,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 03:17:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:25,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:17:26,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:26,016 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 03:17:26,028 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 03:17:26,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:26,057 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 03:17:26,057 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:26,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784182426] [2021-11-23 03:17:26,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1784182426] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:26,058 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:26,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 03:17:26,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923915286] [2021-11-23 03:17:26,059 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:26,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:17:26,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:26,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:17:26,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:17:26,064 INFO L87 Difference]: Start difference. First operand 1324 states and 1475 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:28,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:28,446 INFO L93 Difference]: Finished difference Result 1649 states and 1822 transitions. [2021-11-23 03:17:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:17:28,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-23 03:17:28,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:28,457 INFO L225 Difference]: With dead ends: 1649 [2021-11-23 03:17:28,457 INFO L226 Difference]: Without dead ends: 1649 [2021-11-23 03:17:28,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:17:28,458 INFO L933 BasicCegarLoop]: 1206 mSDtfsCounter, 990 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 1612 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:17:28,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [995 Valid, 1612 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 03:17:28,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2021-11-23 03:17:28,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1277. [2021-11-23 03:17:28,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 684 states have (on average 2.0160818713450293) internal successors, (1379), 1266 states have internal predecessors, (1379), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-23 03:17:28,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1423 transitions. [2021-11-23 03:17:28,497 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1423 transitions. Word has length 8 [2021-11-23 03:17:28,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:28,498 INFO L470 AbstractCegarLoop]: Abstraction has 1277 states and 1423 transitions. [2021-11-23 03:17:28,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:28,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1423 transitions. [2021-11-23 03:17:28,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 03:17:28,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:28,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:17:28,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:17:28,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:17:28,713 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:28,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:28,714 INFO L85 PathProgramCache]: Analyzing trace with hash -846217709, now seen corresponding path program 1 times [2021-11-23 03:17:28,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:28,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337416956] [2021-11-23 03:17:28,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:28,715 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:28,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:28,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:28,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 03:17:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:28,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:17:28,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:28,861 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 03:17:28,899 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 03:17:28,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:28,975 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 03:17:28,975 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:28,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337416956] [2021-11-23 03:17:28,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1337416956] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:28,975 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:28,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-23 03:17:28,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376860402] [2021-11-23 03:17:28,976 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:28,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:17:28,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:28,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:17:28,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:17:28,979 INFO L87 Difference]: Start difference. First operand 1277 states and 1423 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:33,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:33,988 INFO L93 Difference]: Finished difference Result 1706 states and 1842 transitions. [2021-11-23 03:17:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:17:33,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-23 03:17:33,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:34,000 INFO L225 Difference]: With dead ends: 1706 [2021-11-23 03:17:34,000 INFO L226 Difference]: Without dead ends: 1706 [2021-11-23 03:17:34,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:17:34,002 INFO L933 BasicCegarLoop]: 1391 mSDtfsCounter, 727 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 2553 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:17:34,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [730 Valid, 2553 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-11-23 03:17:34,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2021-11-23 03:17:34,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1475. [2021-11-23 03:17:34,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 891 states have (on average 2.005611672278339) internal successors, (1787), 1463 states have internal predecessors, (1787), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-23 03:17:34,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1833 transitions. [2021-11-23 03:17:34,057 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1833 transitions. Word has length 8 [2021-11-23 03:17:34,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:34,057 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 1833 transitions. [2021-11-23 03:17:34,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:34,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1833 transitions. [2021-11-23 03:17:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:17:34,058 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:34,058 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:17:34,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 03:17:34,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:17:34,269 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr534REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:34,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:34,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1255764539, now seen corresponding path program 1 times [2021-11-23 03:17:34,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:34,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692405464] [2021-11-23 03:17:34,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:34,271 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:34,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:34,272 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:34,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 03:17:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:34,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:17:34,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:34,460 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 03:17:34,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:34,533 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 03:17:34,533 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:34,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692405464] [2021-11-23 03:17:34,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1692405464] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:34,534 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:34,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:17:34,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906284853] [2021-11-23 03:17:34,534 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:34,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:17:34,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:34,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:17:34,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:17:34,535 INFO L87 Difference]: Start difference. First operand 1475 states and 1833 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:35,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:35,006 INFO L93 Difference]: Finished difference Result 2288 states and 2863 transitions. [2021-11-23 03:17:35,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:17:35,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-23 03:17:35,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:35,019 INFO L225 Difference]: With dead ends: 2288 [2021-11-23 03:17:35,019 INFO L226 Difference]: Without dead ends: 2288 [2021-11-23 03:17:35,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:17:35,020 INFO L933 BasicCegarLoop]: 1445 mSDtfsCounter, 748 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 2567 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:17:35,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [751 Valid, 2567 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 03:17:35,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2021-11-23 03:17:35,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 1871. [2021-11-23 03:17:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1871 states, 1285 states have (on average 1.9906614785992218) internal successors, (2558), 1857 states have internal predecessors, (2558), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-23 03:17:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2608 transitions. [2021-11-23 03:17:35,071 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2608 transitions. Word has length 11 [2021-11-23 03:17:35,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:35,072 INFO L470 AbstractCegarLoop]: Abstraction has 1871 states and 2608 transitions. [2021-11-23 03:17:35,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:35,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2608 transitions. [2021-11-23 03:17:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 03:17:35,073 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:35,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:17:35,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 03:17:35,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:17:35,284 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr344REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:35,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash -680989669, now seen corresponding path program 1 times [2021-11-23 03:17:35,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:35,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953753980] [2021-11-23 03:17:35,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:35,286 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:35,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:35,290 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:35,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 03:17:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:35,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:17:35,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:35,439 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 03:17:35,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:35,465 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 03:17:35,465 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:35,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1953753980] [2021-11-23 03:17:35,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1953753980] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:35,466 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:35,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-23 03:17:35,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293096260] [2021-11-23 03:17:35,466 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:35,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:17:35,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:35,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:17:35,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:17:35,476 INFO L87 Difference]: Start difference. First operand 1871 states and 2608 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:35,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:35,521 INFO L93 Difference]: Finished difference Result 1994 states and 2668 transitions. [2021-11-23 03:17:35,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:17:35,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-23 03:17:35,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:35,533 INFO L225 Difference]: With dead ends: 1994 [2021-11-23 03:17:35,533 INFO L226 Difference]: Without dead ends: 1994 [2021-11-23 03:17:35,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:17:35,535 INFO L933 BasicCegarLoop]: 1464 mSDtfsCounter, 585 mSDsluCounter, 1784 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 3248 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:17:35,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [586 Valid, 3248 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:17:35,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2021-11-23 03:17:35,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1775. [2021-11-23 03:17:35,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1775 states, 1213 states have (on average 1.9670239076669416) internal successors, (2386), 1761 states have internal predecessors, (2386), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-23 03:17:35,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2436 transitions. [2021-11-23 03:17:35,582 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2436 transitions. Word has length 13 [2021-11-23 03:17:35,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:35,582 INFO L470 AbstractCegarLoop]: Abstraction has 1775 states and 2436 transitions. [2021-11-23 03:17:35,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2436 transitions. [2021-11-23 03:17:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 03:17:35,583 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:35,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:17:35,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-23 03:17:35,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:17:35,795 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr639ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:35,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:35,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1323693751, now seen corresponding path program 1 times [2021-11-23 03:17:35,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:35,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882926367] [2021-11-23 03:17:35,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:35,796 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:35,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:35,798 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:35,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-23 03:17:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:35,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:17:35,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:35,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:17:35,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:17:35,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:17:36,033 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-23 03:17:36,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 36 [2021-11-23 03:17:36,098 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-23 03:17:36,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 23 [2021-11-23 03:17:36,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:17:36,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:36,193 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 03:17:36,194 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:36,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882926367] [2021-11-23 03:17:36,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882926367] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:36,194 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:36,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-23 03:17:36,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927703509] [2021-11-23 03:17:36,194 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:36,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:17:36,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:36,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:17:36,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:17:36,195 INFO L87 Difference]: Start difference. First operand 1775 states and 2436 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:38,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:38,326 INFO L93 Difference]: Finished difference Result 2417 states and 3339 transitions. [2021-11-23 03:17:38,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:17:38,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-23 03:17:38,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:38,339 INFO L225 Difference]: With dead ends: 2417 [2021-11-23 03:17:38,340 INFO L226 Difference]: Without dead ends: 2417 [2021-11-23 03:17:38,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:17:38,341 INFO L933 BasicCegarLoop]: 1221 mSDtfsCounter, 461 mSDsluCounter, 4642 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 5863 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:17:38,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [462 Valid, 5863 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 03:17:38,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2417 states. [2021-11-23 03:17:38,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2417 to 1774. [2021-11-23 03:17:38,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1774 states, 1212 states have (on average 1.966996699669967) internal successors, (2384), 1760 states have internal predecessors, (2384), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-23 03:17:38,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1774 states and 2434 transitions. [2021-11-23 03:17:38,389 INFO L78 Accepts]: Start accepts. Automaton has 1774 states and 2434 transitions. Word has length 14 [2021-11-23 03:17:38,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:38,389 INFO L470 AbstractCegarLoop]: Abstraction has 1774 states and 2434 transitions. [2021-11-23 03:17:38,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:38,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2434 transitions. [2021-11-23 03:17:38,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 03:17:38,390 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:38,390 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:17:38,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-23 03:17:38,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:17:38,605 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:38,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:38,605 INFO L85 PathProgramCache]: Analyzing trace with hash -413650658, now seen corresponding path program 1 times [2021-11-23 03:17:38,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:38,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1468471190] [2021-11-23 03:17:38,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:38,606 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:38,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:38,607 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:38,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-23 03:17:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:38,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:17:38,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:38,780 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 03:17:38,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:38,816 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 03:17:38,817 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:38,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1468471190] [2021-11-23 03:17:38,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1468471190] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:38,821 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:38,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-23 03:17:38,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863283046] [2021-11-23 03:17:38,821 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:38,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:17:38,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:38,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:17:38,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:17:38,823 INFO L87 Difference]: Start difference. First operand 1774 states and 2434 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:38,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:38,876 INFO L93 Difference]: Finished difference Result 1714 states and 2348 transitions. [2021-11-23 03:17:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:17:38,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 03:17:38,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:38,886 INFO L225 Difference]: With dead ends: 1714 [2021-11-23 03:17:38,886 INFO L226 Difference]: Without dead ends: 1714 [2021-11-23 03:17:38,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:17:38,888 INFO L933 BasicCegarLoop]: 1221 mSDtfsCounter, 2266 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:17:38,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2271 Valid, 1313 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:17:38,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2021-11-23 03:17:38,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1714. [2021-11-23 03:17:38,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1176 states have (on average 1.9540816326530612) internal successors, (2298), 1700 states have internal predecessors, (2298), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-23 03:17:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2348 transitions. [2021-11-23 03:17:38,940 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2348 transitions. Word has length 18 [2021-11-23 03:17:38,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:38,941 INFO L470 AbstractCegarLoop]: Abstraction has 1714 states and 2348 transitions. [2021-11-23 03:17:38,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2348 transitions. [2021-11-23 03:17:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 03:17:38,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:38,942 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:17:38,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-23 03:17:39,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:17:39,155 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr39REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:39,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:39,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1913675577, now seen corresponding path program 1 times [2021-11-23 03:17:39,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:39,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458513805] [2021-11-23 03:17:39,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:39,156 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:39,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:39,156 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:39,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-23 03:17:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:39,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:17:39,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:39,340 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 03:17:39,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:39,376 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 03:17:39,377 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:39,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458513805] [2021-11-23 03:17:39,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458513805] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:39,377 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:39,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-23 03:17:39,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102495463] [2021-11-23 03:17:39,378 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:39,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:17:39,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:39,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:17:39,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:17:39,379 INFO L87 Difference]: Start difference. First operand 1714 states and 2348 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:39,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:39,452 INFO L93 Difference]: Finished difference Result 1686 states and 2292 transitions. [2021-11-23 03:17:39,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:17:39,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-23 03:17:39,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:39,461 INFO L225 Difference]: With dead ends: 1686 [2021-11-23 03:17:39,461 INFO L226 Difference]: Without dead ends: 1686 [2021-11-23 03:17:39,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:17:39,462 INFO L933 BasicCegarLoop]: 1176 mSDtfsCounter, 1104 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 2529 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:17:39,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1109 Valid, 2529 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:17:39,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2021-11-23 03:17:39,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1684. [2021-11-23 03:17:39,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1160 states have (on average 1.9310344827586208) internal successors, (2240), 1670 states have internal predecessors, (2240), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-23 03:17:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2290 transitions. [2021-11-23 03:17:39,504 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2290 transitions. Word has length 20 [2021-11-23 03:17:39,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:39,504 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 2290 transitions. [2021-11-23 03:17:39,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2290 transitions. [2021-11-23 03:17:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 03:17:39,506 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:39,506 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:17:39,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-11-23 03:17:39,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:17:39,717 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:39,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:39,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1224753126, now seen corresponding path program 1 times [2021-11-23 03:17:39,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:39,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621020436] [2021-11-23 03:17:39,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:39,719 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:39,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:39,719 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:39,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-23 03:17:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:39,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:17:39,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:39,884 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 03:17:39,986 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 03:17:39,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:40,089 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 03:17:40,090 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:40,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621020436] [2021-11-23 03:17:40,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621020436] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:40,090 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:40,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:17:40,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923940769] [2021-11-23 03:17:40,090 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:40,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:17:40,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:40,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:17:40,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:17:40,092 INFO L87 Difference]: Start difference. First operand 1684 states and 2290 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:42,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:42,513 INFO L93 Difference]: Finished difference Result 2545 states and 3556 transitions. [2021-11-23 03:17:42,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:17:42,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-23 03:17:42,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:42,528 INFO L225 Difference]: With dead ends: 2545 [2021-11-23 03:17:42,528 INFO L226 Difference]: Without dead ends: 2545 [2021-11-23 03:17:42,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:17:42,529 INFO L933 BasicCegarLoop]: 665 mSDtfsCounter, 2170 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2172 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:17:42,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2172 Valid, 1294 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 03:17:42,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2545 states. [2021-11-23 03:17:42,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2545 to 1680. [2021-11-23 03:17:42,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1680 states, 1160 states have (on average 1.9241379310344828) internal successors, (2232), 1666 states have internal predecessors, (2232), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-23 03:17:42,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2282 transitions. [2021-11-23 03:17:42,573 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2282 transitions. Word has length 34 [2021-11-23 03:17:42,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:42,574 INFO L470 AbstractCegarLoop]: Abstraction has 1680 states and 2282 transitions. [2021-11-23 03:17:42,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:42,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2282 transitions. [2021-11-23 03:17:42,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 03:17:42,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:42,575 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:17:42,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-23 03:17:42,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:17:42,786 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:42,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:42,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1224753127, now seen corresponding path program 1 times [2021-11-23 03:17:42,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:42,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282833411] [2021-11-23 03:17:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:42,787 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:42,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:42,788 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:42,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-23 03:17:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:42,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:17:42,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:42,944 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 03:17:43,196 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 03:17:43,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:43,599 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 03:17:43,599 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:43,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282833411] [2021-11-23 03:17:43,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282833411] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:43,600 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:43,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 03:17:43,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399748590] [2021-11-23 03:17:43,600 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:43,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:17:43,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:43,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:17:43,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:17:43,601 INFO L87 Difference]: Start difference. First operand 1680 states and 2282 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:51,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:51,107 INFO L93 Difference]: Finished difference Result 2098 states and 2508 transitions. [2021-11-23 03:17:51,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:17:51,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-23 03:17:51,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:51,119 INFO L225 Difference]: With dead ends: 2098 [2021-11-23 03:17:51,119 INFO L226 Difference]: Without dead ends: 2098 [2021-11-23 03:17:51,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:17:51,120 INFO L933 BasicCegarLoop]: 1497 mSDtfsCounter, 2684 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2684 SdHoareTripleChecker+Valid, 2761 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:17:51,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2684 Valid, 2761 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-11-23 03:17:51,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2021-11-23 03:17:51,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 1676. [2021-11-23 03:17:51,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1676 states, 1160 states have (on average 1.9172413793103449) internal successors, (2224), 1662 states have internal predecessors, (2224), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-23 03:17:51,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 2274 transitions. [2021-11-23 03:17:51,161 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 2274 transitions. Word has length 34 [2021-11-23 03:17:51,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:51,162 INFO L470 AbstractCegarLoop]: Abstraction has 1676 states and 2274 transitions. [2021-11-23 03:17:51,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2274 transitions. [2021-11-23 03:17:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 03:17:51,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:51,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:17:51,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-23 03:17:51,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:17:51,376 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash -515146363, now seen corresponding path program 1 times [2021-11-23 03:17:51,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:51,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757453334] [2021-11-23 03:17:51,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:51,377 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:51,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:51,378 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:51,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-23 03:17:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:51,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:17:51,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:51,724 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 03:17:51,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:51,825 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 03:17:51,825 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:51,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757453334] [2021-11-23 03:17:51,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757453334] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:51,825 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:51,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-23 03:17:51,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461589663] [2021-11-23 03:17:51,826 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:51,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:17:51,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:51,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:17:51,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:17:51,827 INFO L87 Difference]: Start difference. First operand 1676 states and 2274 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:51,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:17:51,881 INFO L93 Difference]: Finished difference Result 1664 states and 2254 transitions. [2021-11-23 03:17:51,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:17:51,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-23 03:17:51,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:17:51,890 INFO L225 Difference]: With dead ends: 1664 [2021-11-23 03:17:51,890 INFO L226 Difference]: Without dead ends: 1664 [2021-11-23 03:17:51,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:17:51,891 INFO L933 BasicCegarLoop]: 1170 mSDtfsCounter, 1080 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 2415 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 03:17:51,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1085 Valid, 2415 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:17:51,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2021-11-23 03:17:51,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1664. [2021-11-23 03:17:51,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1664 states, 1148 states have (on average 1.9198606271777003) internal successors, (2204), 1650 states have internal predecessors, (2204), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-23 03:17:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2254 transitions. [2021-11-23 03:17:51,928 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2254 transitions. Word has length 52 [2021-11-23 03:17:51,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:17:51,928 INFO L470 AbstractCegarLoop]: Abstraction has 1664 states and 2254 transitions. [2021-11-23 03:17:51,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:17:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2254 transitions. [2021-11-23 03:17:51,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 03:17:51,930 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:17:51,930 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 03:17:51,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-23 03:17:52,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:17:52,142 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:17:52,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:17:52,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1189287633, now seen corresponding path program 1 times [2021-11-23 03:17:52,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:17:52,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281082787] [2021-11-23 03:17:52,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:17:52,145 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:17:52,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:17:52,146 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:17:52,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-23 03:17:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:17:52,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 03:17:52,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:17:52,526 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 03:17:52,534 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 03:17:53,148 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 03:17:53,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 03:17:53,176 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 03:17:53,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2021-11-23 03:17:53,210 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 03:17:53,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:17:58,261 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 03:17:58,262 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:17:58,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281082787] [2021-11-23 03:17:58,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281082787] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:17:58,262 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:17:58,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 03:17:58,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957857473] [2021-11-23 03:17:58,263 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:17:58,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:17:58,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:17:58,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:17:58,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-23 03:17:58,265 INFO L87 Difference]: Start difference. First operand 1664 states and 2254 transitions. Second operand has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:18:04,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:18:04,105 INFO L93 Difference]: Finished difference Result 2227 states and 2909 transitions. [2021-11-23 03:18:04,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:18:04,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-23 03:18:04,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:18:04,115 INFO L225 Difference]: With dead ends: 2227 [2021-11-23 03:18:04,116 INFO L226 Difference]: Without dead ends: 2227 [2021-11-23 03:18:04,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=19, Invalid=22, Unknown=1, NotChecked=0, Total=42 [2021-11-23 03:18:04,117 INFO L933 BasicCegarLoop]: 939 mSDtfsCounter, 1463 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1470 SdHoareTripleChecker+Valid, 2480 SdHoareTripleChecker+Invalid, 3171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1663 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:18:04,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1470 Valid, 2480 Invalid, 3171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1461 Invalid, 0 Unknown, 1663 Unchecked, 5.7s Time] [2021-11-23 03:18:04,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2021-11-23 03:18:04,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 1312. [2021-11-23 03:18:04,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 832 states have (on average 1.8461538461538463) internal successors, (1536), 1300 states have internal predecessors, (1536), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-23 03:18:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1582 transitions. [2021-11-23 03:18:04,152 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1582 transitions. Word has length 60 [2021-11-23 03:18:04,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:18:04,153 INFO L470 AbstractCegarLoop]: Abstraction has 1312 states and 1582 transitions. [2021-11-23 03:18:04,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:18:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1582 transitions. [2021-11-23 03:18:04,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 03:18:04,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:18:04,155 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:18:04,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-23 03:18:04,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:18:04,369 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr73REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:18:04,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:18:04,369 INFO L85 PathProgramCache]: Analyzing trace with hash 444125234, now seen corresponding path program 1 times [2021-11-23 03:18:04,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:18:04,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403050099] [2021-11-23 03:18:04,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:18:04,371 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:18:04,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:18:04,372 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:18:04,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-23 03:18:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:18:04,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:18:04,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:18:04,851 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 03:18:04,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:18:04,907 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 03:18:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:18:05,176 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:18:05,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403050099] [2021-11-23 03:18:05,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403050099] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:18:05,177 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:18:05,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 03:18:05,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834623071] [2021-11-23 03:18:05,177 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:18:05,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:18:05,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:18:05,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:18:05,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:18:05,178 INFO L87 Difference]: Start difference. First operand 1312 states and 1582 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:18:07,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:18:07,081 INFO L93 Difference]: Finished difference Result 1310 states and 1580 transitions. [2021-11-23 03:18:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:18:07,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-23 03:18:07,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:18:07,086 INFO L225 Difference]: With dead ends: 1310 [2021-11-23 03:18:07,087 INFO L226 Difference]: Without dead ends: 1310 [2021-11-23 03:18:07,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:18:07,087 INFO L933 BasicCegarLoop]: 743 mSDtfsCounter, 2391 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2396 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:18:07,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2396 Valid, 1037 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 03:18:07,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2021-11-23 03:18:07,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1310. [2021-11-23 03:18:07,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 832 states have (on average 1.84375) internal successors, (1534), 1298 states have internal predecessors, (1534), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-23 03:18:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1580 transitions. [2021-11-23 03:18:07,114 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1580 transitions. Word has length 62 [2021-11-23 03:18:07,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:18:07,114 INFO L470 AbstractCegarLoop]: Abstraction has 1310 states and 1580 transitions. [2021-11-23 03:18:07,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:18:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1580 transitions. [2021-11-23 03:18:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 03:18:07,116 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:18:07,116 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:18:07,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-23 03:18:07,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:18:07,329 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr76REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:18:07,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:18:07,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1859054235, now seen corresponding path program 1 times [2021-11-23 03:18:07,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:18:07,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [587335291] [2021-11-23 03:18:07,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:18:07,331 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:18:07,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:18:07,332 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:18:07,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-23 03:18:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:18:07,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 03:18:07,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:18:07,642 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 03:18:07,657 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 03:18:07,693 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 03:18:07,705 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 03:18:07,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:18:07,823 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 03:18:07,823 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:18:07,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [587335291] [2021-11-23 03:18:07,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [587335291] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:18:07,823 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:18:07,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-23 03:18:07,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153717631] [2021-11-23 03:18:07,824 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:18:07,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:18:07,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:18:07,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:18:07,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:18:07,825 INFO L87 Difference]: Start difference. First operand 1310 states and 1580 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:18:11,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:18:11,354 INFO L93 Difference]: Finished difference Result 1309 states and 1579 transitions. [2021-11-23 03:18:11,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:18:11,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-23 03:18:11,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:18:11,358 INFO L225 Difference]: With dead ends: 1309 [2021-11-23 03:18:11,359 INFO L226 Difference]: Without dead ends: 1309 [2021-11-23 03:18:11,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:18:11,360 INFO L933 BasicCegarLoop]: 1132 mSDtfsCounter, 4 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 1556 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2977 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:18:11,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 2977 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1556 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 03:18:11,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2021-11-23 03:18:11,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1309. [2021-11-23 03:18:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 832 states have (on average 1.8425480769230769) internal successors, (1533), 1297 states have internal predecessors, (1533), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-23 03:18:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 1579 transitions. [2021-11-23 03:18:11,385 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 1579 transitions. Word has length 65 [2021-11-23 03:18:11,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:18:11,386 INFO L470 AbstractCegarLoop]: Abstraction has 1309 states and 1579 transitions. [2021-11-23 03:18:11,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:18:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1579 transitions. [2021-11-23 03:18:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 03:18:11,387 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:18:11,387 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:18:11,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-11-23 03:18:11,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:18:11,600 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr77REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:18:11,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:18:11,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1859054234, now seen corresponding path program 1 times [2021-11-23 03:18:11,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:18:11,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561809155] [2021-11-23 03:18:11,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:18:11,601 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:18:11,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:18:11,602 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:18:11,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-23 03:18:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:18:11,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:18:11,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:18:11,879 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 03:18:11,909 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 03:18:11,920 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 03:18:11,990 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 03:18:11,994 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 03:18:12,017 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 03:18:12,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:18:12,306 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 03:18:12,306 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:18:12,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561809155] [2021-11-23 03:18:12,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561809155] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:18:12,307 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:18:12,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-23 03:18:12,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130227878] [2021-11-23 03:18:12,307 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:18:12,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 03:18:12,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:18:12,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 03:18:12,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:18:12,309 INFO L87 Difference]: Start difference. First operand 1309 states and 1579 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:18:23,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:18:23,112 INFO L93 Difference]: Finished difference Result 1308 states and 1578 transitions. [2021-11-23 03:18:23,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:18:23,115 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-23 03:18:23,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:18:23,118 INFO L225 Difference]: With dead ends: 1308 [2021-11-23 03:18:23,118 INFO L226 Difference]: Without dead ends: 1308 [2021-11-23 03:18:23,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:18:23,119 INFO L933 BasicCegarLoop]: 1132 mSDtfsCounter, 3 mSDsluCounter, 3147 mSDsCounter, 0 mSdLazyCounter, 2515 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4279 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:18:23,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 4279 Invalid, 2516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2515 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2021-11-23 03:18:23,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2021-11-23 03:18:23,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1308. [2021-11-23 03:18:23,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 831 states have (on average 1.8435619735258724) internal successors, (1532), 1296 states have internal predecessors, (1532), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-23 03:18:23,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1578 transitions. [2021-11-23 03:18:23,144 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1578 transitions. Word has length 65 [2021-11-23 03:18:23,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:18:23,145 INFO L470 AbstractCegarLoop]: Abstraction has 1308 states and 1578 transitions. [2021-11-23 03:18:23,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:18:23,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1578 transitions. [2021-11-23 03:18:23,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 03:18:23,146 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:18:23,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:18:23,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-23 03:18:23,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:18:23,359 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:18:23,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:18:23,360 INFO L85 PathProgramCache]: Analyzing trace with hash 827014060, now seen corresponding path program 1 times [2021-11-23 03:18:23,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:18:23,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995409776] [2021-11-23 03:18:23,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:18:23,360 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:18:23,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:18:23,361 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:18:23,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-23 03:18:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:18:23,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:18:23,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:18:23,677 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 03:18:23,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:18:23,837 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 03:18:23,837 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:18:23,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995409776] [2021-11-23 03:18:23,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995409776] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:18:23,838 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:18:23,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-23 03:18:23,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042596579] [2021-11-23 03:18:23,838 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:18:23,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:18:23,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:18:23,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:18:23,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:18:23,839 INFO L87 Difference]: Start difference. First operand 1308 states and 1578 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:18:23,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:18:23,953 INFO L93 Difference]: Finished difference Result 1318 states and 1591 transitions. [2021-11-23 03:18:23,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:18:23,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 73 [2021-11-23 03:18:23,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:18:23,959 INFO L225 Difference]: With dead ends: 1318 [2021-11-23 03:18:23,960 INFO L226 Difference]: Without dead ends: 1318 [2021-11-23 03:18:23,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:18:23,961 INFO L933 BasicCegarLoop]: 1132 mSDtfsCounter, 11 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2264 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:18:23,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 2264 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:18:23,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2021-11-23 03:18:23,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1318. [2021-11-23 03:18:23,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1318 states, 839 states have (on average 1.840286054827175) internal successors, (1544), 1305 states have internal predecessors, (1544), 23 states have call successors, (23), 4 states have call predecessors, (23), 5 states have return successors, (24), 9 states have call predecessors, (24), 23 states have call successors, (24) [2021-11-23 03:18:23,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1591 transitions. [2021-11-23 03:18:23,994 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1591 transitions. Word has length 73 [2021-11-23 03:18:23,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:18:23,995 INFO L470 AbstractCegarLoop]: Abstraction has 1318 states and 1591 transitions. [2021-11-23 03:18:23,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:18:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1591 transitions. [2021-11-23 03:18:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 03:18:23,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:18:23,996 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:18:24,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-23 03:18:24,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:18:24,210 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:18:24,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:18:24,210 INFO L85 PathProgramCache]: Analyzing trace with hash -856717428, now seen corresponding path program 1 times [2021-11-23 03:18:24,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:18:24,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027995864] [2021-11-23 03:18:24,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:18:24,211 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:18:24,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:18:24,212 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:18:24,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-23 03:18:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:18:24,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:18:24,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:18:24,596 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 03:18:24,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:18:24,845 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 03:18:24,846 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:18:24,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027995864] [2021-11-23 03:18:24,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027995864] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:18:24,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [618902071] [2021-11-23 03:18:24,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:18:24,846 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 03:18:24,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/cvc4 [2021-11-23 03:18:24,847 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 03:18:24,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2021-11-23 03:18:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:18:25,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:18:25,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:18:25,285 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 03:18:25,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:18:25,414 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 03:18:25,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [618902071] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:18:25,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345454927] [2021-11-23 03:18:25,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:18:25,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:18:25,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:18:25,415 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:18:25,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-23 03:18:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:18:25,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 03:18:25,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:18:25,763 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 03:18:25,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:18:26,009 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 03:18:26,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345454927] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:18:26,010 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 03:18:26,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 14 [2021-11-23 03:18:26,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859083457] [2021-11-23 03:18:26,014 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 03:18:26,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:18:26,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:18:26,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:18:26,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:18:26,016 INFO L87 Difference]: Start difference. First operand 1318 states and 1591 transitions. Second operand has 14 states, 14 states have (on average 6.0) internal successors, (84), 14 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 03:18:26,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:18:26,528 INFO L93 Difference]: Finished difference Result 1332 states and 1608 transitions. [2021-11-23 03:18:26,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-23 03:18:26,529 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.0) internal successors, (84), 14 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 75 [2021-11-23 03:18:26,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:18:26,534 INFO L225 Difference]: With dead ends: 1332 [2021-11-23 03:18:26,534 INFO L226 Difference]: Without dead ends: 1326 [2021-11-23 03:18:26,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=188, Invalid=318, Unknown=0, NotChecked=0, Total=506 [2021-11-23 03:18:26,535 INFO L933 BasicCegarLoop]: 1133 mSDtfsCounter, 37 mSDsluCounter, 4519 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 5652 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:18:26,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 5652 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:18:26,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2021-11-23 03:18:26,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1324. [2021-11-23 03:18:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 845 states have (on average 1.8355029585798817) internal successors, (1551), 1311 states have internal predecessors, (1551), 23 states have call successors, (23), 4 states have call predecessors, (23), 5 states have return successors, (24), 9 states have call predecessors, (24), 23 states have call successors, (24) [2021-11-23 03:18:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1598 transitions. [2021-11-23 03:18:26,564 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1598 transitions. Word has length 75 [2021-11-23 03:18:26,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:18:26,564 INFO L470 AbstractCegarLoop]: Abstraction has 1324 states and 1598 transitions. [2021-11-23 03:18:26,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.0) internal successors, (84), 14 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-23 03:18:26,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1598 transitions. [2021-11-23 03:18:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 03:18:26,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:18:26,566 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:18:26,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2021-11-23 03:18:26,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-23 03:18:26,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-23 03:18:27,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:18:27,169 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 637 more)] === [2021-11-23 03:18:27,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:18:27,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1737209676, now seen corresponding path program 2 times [2021-11-23 03:18:27,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:18:27,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33388079] [2021-11-23 03:18:27,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 03:18:27,170 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:18:27,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:18:27,171 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:18:27,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-23 03:18:27,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 03:18:27,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 03:18:27,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 03:18:27,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:18:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:18:27,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:18:28,277 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 03:18:28,278 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:18:28,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33388079] [2021-11-23 03:18:28,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33388079] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:18:28,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1891510208] [2021-11-23 03:18:28,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 03:18:28,278 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 03:18:28,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/cvc4 [2021-11-23 03:18:28,279 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 03:18:28,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2021-11-23 03:18:29,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 03:18:29,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 03:18:29,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 03:18:29,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:18:29,264 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 03:18:29,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:18:29,473 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 03:18:29,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1891510208] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:18:29,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831729650] [2021-11-23 03:18:29,473 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 03:18:29,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:18:29,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:18:29,475 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:18:29,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41eda8c1-c902-4d46-bfef-2a6384e7a6bd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-23 03:18:52,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 03:18:52,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 03:18:52,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 03:18:52,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:18:52,079 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 03:18:52,314 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 03:18:52,315 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 03:18:52,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-23 03:21:15,680 WARN L227 SmtUtils]: Spent 57.18s on a formula simplification. DAG size of input: 114 DAG size of output: 36 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:21:15,681 INFO L354 Elim1Store]: treesize reduction 880, result has 6.3 percent of original size [2021-11-23 03:21:15,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 85 [2021-11-23 03:21:16,501 INFO L354 Elim1Store]: treesize reduction 200, result has 0.5 percent of original size [2021-11-23 03:21:16,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 112 treesize of output 37 [2021-11-23 03:21:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 15 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:21:16,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:21:18,923 INFO L354 Elim1Store]: treesize reduction 5, result has 89.8 percent of original size [2021-11-23 03:21:18,924 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 65 treesize of output 64 [2021-11-23 03:21:21,001 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (= |c_ULTIMATE.start_main_#t~mem38#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem38#1.base| (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem38#1.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ 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 03:26:34,725 INFO L354 Elim1Store]: treesize reduction 5, result has 89.8 percent of original size [2021-11-23 03:26:34,725 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 117 treesize of output 116 [2021-11-23 03:26:38,070 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_#Ultimate.C_memset_#t~loopctr280_112| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr280| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_116| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_114| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_118| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_120| (_ BitVec 32)) (|#Ultimate.C_memset_#ptr.offset| (_ BitVec 32))) (or (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr280|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_120|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_118|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_116|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_114|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))) (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) is different from false [2021-11-23 03:26:44,670 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 21 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:26:44,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831729650] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:26:44,671 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 03:26:44,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 10, 15, 15] total 45 [2021-11-23 03:26:44,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532202431] [2021-11-23 03:26:44,671 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 03:26:44,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-11-23 03:26:44,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:26:44,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-11-23 03:26:44,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1459, Unknown=181, NotChecked=166, Total=1980 [2021-11-23 03:26:44,676 INFO L87 Difference]: Start difference. First operand 1324 states and 1598 transitions. Second operand has 45 states, 43 states have (on average 5.372093023255814) internal successors, (231), 43 states have internal predecessors, (231), 3 states have call successors, (3), 3 states have call predecessors, (3), 4 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-23 03:26:50,140 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_#Ultimate.C_memset_#t~loopctr280_112| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr280| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_116| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_114| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_118| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_120| (_ BitVec 32)) (|#Ultimate.C_memset_#ptr.offset| (_ BitVec 32))) (or (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr280|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_120|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_118|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_116|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_114|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))) (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (= |c_old(#memory_$Pointer$.base)| |c_#memory_$Pointer$.base|)) is different from false [2021-11-23 03:27:52,970 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (= (_ bv2 32) |c_#Ultimate.C_memset_#t~loopctr280|) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr280| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr280|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr280_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_83|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_84|) (_ bv0 32))) |c_#memory_$Pointer$.base|)) (forall ((|v_#Ultimate.C_memset_#t~loopctr280_112| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr280| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr280|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))))) (_ bv1 1))))) (forall ((|v_#Ultimate.C_memset_#t~loopctr280_112| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr280| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_114| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr280|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))) is different from false [2021-11-23 03:28:31,408 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr280| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr280|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))))))) (= (_ bv3 32) |c_#Ultimate.C_memset_#t~loopctr280|) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))) (_ bv1 1))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr280_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_83|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_84|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_85|) (_ bv0 32))) |c_#memory_$Pointer$.base|))) is different from false [2021-11-23 03:28:33,433 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr280| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr280|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr280_86| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_83| (_ BitVec 32))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_83|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_84|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_85|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_86|) (_ bv0 32))))) (= (_ bv4 32) |c_#Ultimate.C_memset_#t~loopctr280|) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))) (_ bv1 1)))))) is different from false [2021-11-23 03:28:55,166 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (= (_ bv6 32) |c_#Ultimate.C_memset_#t~loopctr280|) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr280| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr280|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))))))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))) (_ bv1 1))))) (forall ((|v_#Ultimate.C_memset_#t~loopctr280_112| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr280| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_114| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr280|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr280_87| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_86| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_83| (_ BitVec 32)) (|#Ultimate.C_memset_#ptr.offset| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_88| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_83|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_84|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_85|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_86|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_87|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_88|) (_ bv0 32))) |c_#memory_$Pointer$.base|))) is different from false [2021-11-23 03:28:57,225 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (not (= |c_#Ultimate.C_memset_#amount| (_ bv44 32))))) (and (or .cse0 (bvult (bvadd (_ bv4 32) |c_#Ultimate.C_memset_#t~loopctr280|) |c_#Ultimate.C_memset_#amount|)) (or .cse0 (bvult (bvadd (_ bv2 32) |c_#Ultimate.C_memset_#t~loopctr280|) |c_#Ultimate.C_memset_#amount|)) (or .cse0 (bvult (bvadd (_ bv3 32) |c_#Ultimate.C_memset_#t~loopctr280|) |c_#Ultimate.C_memset_#amount|)) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))) (_ bv1 1))))) (forall ((|v_#Ultimate.C_memset_#t~loopctr280_112| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr280| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr280|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))))) (_ bv1 1))))) (or .cse0 (bvult (bvadd (_ bv1 32) |c_#Ultimate.C_memset_#t~loopctr280|) |c_#Ultimate.C_memset_#amount|)) (or .cse0 (bvult |c_#Ultimate.C_memset_#t~loopctr280| |c_#Ultimate.C_memset_#amount|)))) is different from false [2021-11-23 03:28:59,249 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (not (bvult (_ bv6 32) |c_#Ultimate.C_memset_#amount|)) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr280_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_109| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_105|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_103|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_109|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_107|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_106|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#ptr.offset_18| |v_#Ultimate.C_memset_#t~loopctr280_104|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))))) (_ bv1 1))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr280_87| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_86| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_83| (_ BitVec 32)) (|#Ultimate.C_memset_#ptr.offset| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr280_88| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_83|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_84|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_85|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_86|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_87|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr280_88|) (_ bv0 32))) |c_#memory_$Pointer$.base|))) is different from false