./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-memsafety/list1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-memsafety/list1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1da30149a66945688e686f90b0d1749d09e30bdcfdeae7b4325d99ddbe3a8206 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:36:24,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:36:24,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:36:24,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:36:24,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:36:24,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:36:24,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:36:24,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:36:24,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:36:24,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:36:24,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:36:24,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:36:24,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:36:24,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:36:24,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:36:24,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:36:24,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:36:24,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:36:24,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:36:24,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:36:24,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:36:24,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:36:24,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:36:24,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:36:24,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:36:24,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:36:24,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:36:24,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:36:24,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:36:24,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:36:24,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:36:24,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:36:24,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:36:24,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:36:24,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:36:24,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:36:24,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:36:24,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:36:24,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:36:24,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:36:24,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:36:24,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-07 01:36:24,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:36:24,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:36:24,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:36:24,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:36:24,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:36:24,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:36:24,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:36:24,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:36:24,948 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:36:24,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:36:24,948 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:36:24,948 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 01:36:24,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:36:24,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:36:24,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:36:24,949 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-07 01:36:24,949 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-07 01:36:24,949 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-07 01:36:24,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:36:24,949 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-07 01:36:24,950 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:36:24,950 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:36:24,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:36:24,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:36:24,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:36:24,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:36:24,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:36:24,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:36:24,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:36:24,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:36:24,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:36:24,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1da30149a66945688e686f90b0d1749d09e30bdcfdeae7b4325d99ddbe3a8206 [2021-12-07 01:36:25,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:36:25,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:36:25,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:36:25,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:36:25,155 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:36:25,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/pthread-memsafety/list1.i [2021-12-07 01:36:25,202 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/data/a42a16be2/58ade87865d24cbab47949bf6c173a8e/FLAGc535f8848 [2021-12-07 01:36:25,667 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:36:25,667 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/sv-benchmarks/c/pthread-memsafety/list1.i [2021-12-07 01:36:25,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/data/a42a16be2/58ade87865d24cbab47949bf6c173a8e/FLAGc535f8848 [2021-12-07 01:36:25,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/data/a42a16be2/58ade87865d24cbab47949bf6c173a8e [2021-12-07 01:36:25,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:36:25,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:36:25,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:36:25,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:36:25,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:36:25,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:25" (1/1) ... [2021-12-07 01:36:25,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd5ef70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:25, skipping insertion in model container [2021-12-07 01:36:25,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:25" (1/1) ... [2021-12-07 01:36:25,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:36:25,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:36:25,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:36:25,999 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) [2021-12-07 01:36:26,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3033ae5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:26, skipping insertion in model container [2021-12-07 01:36:26,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:36:26,000 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-07 01:36:26,002 INFO L158 Benchmark]: Toolchain (without parser) took 308.61ms. Allocated memory is still 94.4MB. Free memory was 59.6MB in the beginning and 68.9MB in the end (delta: -9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 01:36:26,002 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:36:26,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.57ms. Allocated memory is still 94.4MB. Free memory was 59.3MB in the beginning and 68.9MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 01:36:26,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.57ms. Allocated memory is still 94.4MB. Free memory was 59.3MB in the beginning and 68.9MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1048]: 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_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-memsafety/list1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1da30149a66945688e686f90b0d1749d09e30bdcfdeae7b4325d99ddbe3a8206 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:36:27,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:36:27,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:36:27,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:36:27,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:36:27,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:36:27,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:36:27,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:36:27,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:36:27,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:36:27,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:36:27,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:36:27,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:36:27,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:36:27,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:36:27,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:36:27,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:36:27,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:36:27,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:36:27,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:36:27,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:36:27,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:36:27,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:36:27,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:36:27,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:36:27,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:36:27,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:36:27,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:36:27,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:36:27,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:36:27,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:36:27,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:36:27,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:36:27,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:36:27,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:36:27,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:36:27,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:36:27,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:36:27,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:36:27,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:36:27,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:36:27,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-07 01:36:27,464 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:36:27,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:36:27,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:36:27,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:36:27,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:36:27,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:36:27,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:36:27,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:36:27,467 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:36:27,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:36:27,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:36:27,468 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 01:36:27,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:36:27,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:36:27,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:36:27,469 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-07 01:36:27,469 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-07 01:36:27,469 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-07 01:36:27,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:36:27,469 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-07 01:36:27,470 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-07 01:36:27,470 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-07 01:36:27,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:36:27,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:36:27,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:36:27,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:36:27,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:36:27,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:36:27,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:36:27,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:36:27,472 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-07 01:36:27,472 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-07 01:36:27,472 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:36:27,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-07 01:36:27,472 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_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1da30149a66945688e686f90b0d1749d09e30bdcfdeae7b4325d99ddbe3a8206 [2021-12-07 01:36:27,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:36:27,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:36:27,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:36:27,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:36:27,729 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:36:27,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/pthread-memsafety/list1.i [2021-12-07 01:36:27,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/data/aaf99c20c/9a3817d7ea774c638972e36e396caf67/FLAG7816f2cc5 [2021-12-07 01:36:28,226 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:36:28,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/sv-benchmarks/c/pthread-memsafety/list1.i [2021-12-07 01:36:28,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/data/aaf99c20c/9a3817d7ea774c638972e36e396caf67/FLAG7816f2cc5 [2021-12-07 01:36:28,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/data/aaf99c20c/9a3817d7ea774c638972e36e396caf67 [2021-12-07 01:36:28,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:36:28,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:36:28,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:36:28,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:36:28,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:36:28,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:28" (1/1) ... [2021-12-07 01:36:28,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7084c88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28, skipping insertion in model container [2021-12-07 01:36:28,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:28" (1/1) ... [2021-12-07 01:36:28,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:36:28,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:36:28,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:36:28,640 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-07 01:36:28,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:36:28,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:36:28,674 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:36:28,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:36:28,752 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:36:28,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28 WrapperNode [2021-12-07 01:36:28,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:36:28,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:36:28,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:36:28,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:36:28,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28" (1/1) ... [2021-12-07 01:36:28,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28" (1/1) ... [2021-12-07 01:36:28,801 INFO L137 Inliner]: procedures = 267, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2021-12-07 01:36:28,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:36:28,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:36:28,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:36:28,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:36:28,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28" (1/1) ... [2021-12-07 01:36:28,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28" (1/1) ... [2021-12-07 01:36:28,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28" (1/1) ... [2021-12-07 01:36:28,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28" (1/1) ... [2021-12-07 01:36:28,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28" (1/1) ... [2021-12-07 01:36:28,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28" (1/1) ... [2021-12-07 01:36:28,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28" (1/1) ... [2021-12-07 01:36:28,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:36:28,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:36:28,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:36:28,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:36:28,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28" (1/1) ... [2021-12-07 01:36:28,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:36:28,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:36:28,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:36:28,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:36:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-07 01:36:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:36:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:36:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-07 01:36:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:36:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:36:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:36:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:36:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure delete [2021-12-07 01:36:28,893 INFO L138 BoogieDeclarations]: Found implementation of procedure delete [2021-12-07 01:36:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure build [2021-12-07 01:36:28,893 INFO L138 BoogieDeclarations]: Found implementation of procedure build [2021-12-07 01:36:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:36:28,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:36:28,894 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 01:36:28,986 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:36:28,987 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:36:29,306 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:36:29,313 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:36:29,313 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 01:36:29,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:29 BoogieIcfgContainer [2021-12-07 01:36:29,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:36:29,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:36:29,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:36:29,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:36:29,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:36:28" (1/3) ... [2021-12-07 01:36:29,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443e89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:36:29, skipping insertion in model container [2021-12-07 01:36:29,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:28" (2/3) ... [2021-12-07 01:36:29,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443e89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:36:29, skipping insertion in model container [2021-12-07 01:36:29,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:29" (3/3) ... [2021-12-07 01:36:29,320 INFO L111 eAbstractionObserver]: Analyzing ICFG list1.i [2021-12-07 01:36:29,324 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:36:29,324 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2021-12-07 01:36:29,324 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 01:36:29,351 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#in~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,351 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#in~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,351 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,351 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,351 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#in~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,351 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#in~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,351 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,352 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,352 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,352 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,352 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,352 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,352 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,352 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,352 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,352 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,353 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,353 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,353 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,353 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,353 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,353 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,353 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#in~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,353 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#in~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,353 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,353 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,354 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#in~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,354 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#in~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,354 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,354 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,354 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,354 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,354 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,354 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,354 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,354 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,354 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,355 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,356 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,357 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,357 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,357 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,357 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,357 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,357 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#in~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,357 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#in~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,357 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,357 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,357 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#in~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,357 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#in~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,358 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,358 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,358 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,358 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,358 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,358 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,358 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,358 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,358 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,358 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,359 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,359 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,359 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,359 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,359 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,359 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,359 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,359 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,359 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,359 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,360 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,360 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,360 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,360 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,360 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,360 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,360 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,360 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,360 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,360 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,361 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,361 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,361 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,361 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,361 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,361 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,361 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,361 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,361 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,361 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,362 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,362 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,362 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,362 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,362 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,362 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,362 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,362 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,362 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,362 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,362 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,363 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,363 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,363 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,363 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,363 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,363 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,363 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,363 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,363 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,363 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,364 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,364 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,364 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,364 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,364 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,364 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,364 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,364 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,364 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,364 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,364 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,365 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,365 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,365 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,365 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,365 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,365 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,365 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,365 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,365 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,365 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,365 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,366 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,366 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,366 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,366 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,366 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,366 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,366 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,366 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,366 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,366 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,367 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,367 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,367 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,367 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,367 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,367 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,367 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,367 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,367 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,367 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,368 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,368 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,368 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,368 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,368 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,368 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,368 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,368 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,368 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,368 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,368 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,368 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,369 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,369 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,369 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,369 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,369 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,369 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,369 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,369 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,369 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,369 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,369 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,370 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,370 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,370 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,370 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,370 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,370 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,370 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,370 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,370 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,370 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,370 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,371 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,371 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,371 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,371 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,371 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,371 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,371 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,371 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,371 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,371 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,371 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,372 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,372 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,372 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,372 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,372 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,372 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,372 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,372 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,372 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,372 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,372 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,372 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,373 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,373 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,373 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,373 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,373 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,373 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,373 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,373 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,377 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,377 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,377 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,377 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,377 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,378 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,378 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,378 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,379 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,379 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,379 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,379 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,380 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,380 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,380 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,380 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,380 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,380 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,380 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,380 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,381 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,381 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,381 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,381 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,381 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,381 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,381 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,382 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,382 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,382 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,382 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,382 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,382 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,382 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,383 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,383 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,383 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,383 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,383 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,383 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,383 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,384 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,384 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,384 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,384 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,384 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,384 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,385 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,385 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,385 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,385 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,385 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,385 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,385 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,385 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,386 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,386 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,386 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,386 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,386 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,386 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,386 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,386 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,387 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,387 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,387 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,387 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,387 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,387 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,387 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,388 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,388 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,388 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,388 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,388 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,389 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,389 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,389 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,389 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,389 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,389 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,389 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,390 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,390 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,390 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,390 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,390 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,390 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,390 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,391 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,391 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,391 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,391 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,391 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,391 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,391 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,392 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,392 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,392 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,392 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,392 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,392 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,392 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,393 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,393 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,393 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,393 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,393 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,393 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,394 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,394 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,394 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,394 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,394 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,394 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,394 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,395 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,395 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,395 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,395 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,395 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,396 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,396 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,396 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,396 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,396 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,396 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,396 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,397 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,397 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,397 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,397 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,397 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,397 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,397 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,398 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,398 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,398 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,398 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,398 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,398 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,398 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,399 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,399 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,399 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,399 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,399 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,399 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,399 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,399 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,399 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,400 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,400 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,400 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,400 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,400 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,400 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,400 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,401 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,401 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,401 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,401 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,401 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,401 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,401 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,402 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,402 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,402 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,402 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,402 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,402 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,402 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,405 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,405 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,406 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,406 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,406 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,406 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,406 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,406 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,406 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,407 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,407 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,407 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,407 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,407 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,407 WARN L322 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,407 WARN L322 ript$VariableManager]: TermVariabe deleteThread1of1ForFork0_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,410 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,410 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,410 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,411 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,411 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,411 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#in~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,411 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,411 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#in~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,411 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,411 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem5#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,412 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,412 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,412 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~plist#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,412 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,412 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,412 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,412 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~ite8#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,412 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,413 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~malloc7#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,413 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,413 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~elem~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,413 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,413 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_~#list~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,413 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_~plist#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,413 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,414 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,414 WARN L322 ript$VariableManager]: TermVariabe |buildThread1of1ForFork1_append_#t~mem6#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:36:29,416 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-07 01:36:29,448 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:36:29,453 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 [2021-12-07 01:36:29,453 INFO L340 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2021-12-07 01:36:29,464 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-12-07 01:36:29,474 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 151 transitions, 318 flow [2021-12-07 01:36:29,477 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 151 transitions, 318 flow [2021-12-07 01:36:29,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 151 transitions, 318 flow [2021-12-07 01:36:29,518 INFO L129 PetriNetUnfolder]: 6/149 cut-off events. [2021-12-07 01:36:29,519 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-07 01:36:29,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 149 events. 6/149 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 385 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 87. Up to 3 conditions per place. [2021-12-07 01:36:29,523 INFO L116 LiptonReduction]: Number of co-enabled transitions 960 [2021-12-07 01:36:52,142 INFO L131 LiptonReduction]: Checked pairs total: 1762 [2021-12-07 01:36:52,142 INFO L133 LiptonReduction]: Total number of compositions: 203 [2021-12-07 01:36:52,148 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 63 transitions, 142 flow [2021-12-07 01:36:52,160 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 170 states, 74 states have (on average 4.094594594594595) internal successors, (303), 169 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:52,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 74 states have (on average 4.094594594594595) internal successors, (303), 169 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-12-07 01:36:52,165 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:52,165 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-12-07 01:36:52,165 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:52,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:52,169 INFO L85 PathProgramCache]: Analyzing trace with hash 657, now seen corresponding path program 1 times [2021-12-07 01:36:52,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:52,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663707728] [2021-12-07 01:36:52,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:52,178 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:52,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:52,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:52,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-07 01:36:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:52,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-07 01:36:52,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:52,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:52,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:52,237 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:52,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663707728] [2021-12-07 01:36:52,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663707728] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:52,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:52,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-12-07 01:36:52,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418386904] [2021-12-07 01:36:52,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:52,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:36:52,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:52,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:36:52,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:36:52,261 INFO L87 Difference]: Start difference. First operand has 170 states, 74 states have (on average 4.094594594594595) internal successors, (303), 169 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:52,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:52,447 INFO L93 Difference]: Finished difference Result 136 states and 241 transitions. [2021-12-07 01:36:52,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:36:52,449 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 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 1 [2021-12-07 01:36:52,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:52,456 INFO L225 Difference]: With dead ends: 136 [2021-12-07 01:36:52,457 INFO L226 Difference]: Without dead ends: 136 [2021-12-07 01:36:52,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:36:52,460 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:52,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:36:52,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-07 01:36:52,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-12-07 01:36:52,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 66 states have (on average 3.6515151515151514) internal successors, (241), 135 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:52,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 241 transitions. [2021-12-07 01:36:52,495 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 241 transitions. Word has length 1 [2021-12-07 01:36:52,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:52,496 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 241 transitions. [2021-12-07 01:36:52,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:52,496 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 241 transitions. [2021-12-07 01:36:52,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-12-07 01:36:52,496 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:52,496 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-12-07 01:36:52,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:36:52,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:36:52,698 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:52,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:52,701 INFO L85 PathProgramCache]: Analyzing trace with hash 647005, now seen corresponding path program 1 times [2021-12-07 01:36:52,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:52,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535267235] [2021-12-07 01:36:52,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:52,704 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:52,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:52,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:52,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-07 01:36:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:52,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 01:36:52,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:52,871 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-12-07 01:36:52,872 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 28 treesize of output 30 [2021-12-07 01:36:52,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:52,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:52,895 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:52,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535267235] [2021-12-07 01:36:52,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535267235] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:52,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:52,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-12-07 01:36:52,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386566355] [2021-12-07 01:36:52,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:52,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:36:52,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:52,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:36:52,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:36:52,897 INFO L87 Difference]: Start difference. First operand 136 states and 241 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2021-12-07 01:36:53,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:53,059 INFO L93 Difference]: Finished difference Result 146 states and 254 transitions. [2021-12-07 01:36:53,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:36:53,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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 [2021-12-07 01:36:53,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:53,061 INFO L225 Difference]: With dead ends: 146 [2021-12-07 01:36:53,062 INFO L226 Difference]: Without dead ends: 146 [2021-12-07 01:36:53,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:36:53,063 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 34 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:53,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 1 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:36:53,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-12-07 01:36:53,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 121. [2021-12-07 01:36:53,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 60 states have (on average 3.5) internal successors, (210), 120 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:53,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 210 transitions. [2021-12-07 01:36:53,072 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 210 transitions. Word has length 3 [2021-12-07 01:36:53,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:53,073 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 210 transitions. [2021-12-07 01:36:53,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2021-12-07 01:36:53,073 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 210 transitions. [2021-12-07 01:36:53,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-12-07 01:36:53,073 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:53,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-12-07 01:36:53,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-07 01:36:53,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:36:53,275 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:53,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:53,277 INFO L85 PathProgramCache]: Analyzing trace with hash 647006, now seen corresponding path program 1 times [2021-12-07 01:36:53,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:53,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564365093] [2021-12-07 01:36:53,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:53,280 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:53,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:53,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:53,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-07 01:36:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:53,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 01:36:53,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:53,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:36:53,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-07 01:36:53,398 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 18 treesize of output 16 [2021-12-07 01:36:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:53,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:53,421 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:53,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564365093] [2021-12-07 01:36:53,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564365093] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:53,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:53,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-12-07 01:36:53,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941250031] [2021-12-07 01:36:53,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:53,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:36:53,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:53,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:36:53,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:36:53,422 INFO L87 Difference]: Start difference. First operand 121 states and 210 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2021-12-07 01:36:53,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:53,641 INFO L93 Difference]: Finished difference Result 122 states and 215 transitions. [2021-12-07 01:36:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:36:53,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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 [2021-12-07 01:36:53,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:53,642 INFO L225 Difference]: With dead ends: 122 [2021-12-07 01:36:53,643 INFO L226 Difference]: Without dead ends: 122 [2021-12-07 01:36:53,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:36:53,644 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 1 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:53,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 4 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:36:53,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-12-07 01:36:53,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2021-12-07 01:36:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 60 states have (on average 3.533333333333333) internal successors, (212), 120 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 212 transitions. [2021-12-07 01:36:53,652 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 212 transitions. Word has length 3 [2021-12-07 01:36:53,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:53,652 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 212 transitions. [2021-12-07 01:36:53,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2021-12-07 01:36:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 212 transitions. [2021-12-07 01:36:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-12-07 01:36:53,653 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:53,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-12-07 01:36:53,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-07 01:36:53,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:36:53,855 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting buildErr0REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:53,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:53,856 INFO L85 PathProgramCache]: Analyzing trace with hash 20057328, now seen corresponding path program 1 times [2021-12-07 01:36:53,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:53,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605338542] [2021-12-07 01:36:53,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:53,859 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:53,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:53,862 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:53,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-07 01:36:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:54,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 01:36:54,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:54,018 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 [2021-12-07 01:36:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:54,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:54,023 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:54,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605338542] [2021-12-07 01:36:54,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605338542] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:54,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:54,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:36:54,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729346664] [2021-12-07 01:36:54,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:54,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:36:54,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:54,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:36:54,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:36:54,024 INFO L87 Difference]: Start difference. First operand 121 states and 212 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:54,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:54,201 INFO L93 Difference]: Finished difference Result 143 states and 250 transitions. [2021-12-07 01:36:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:36:54,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2021-12-07 01:36:54,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:54,203 INFO L225 Difference]: With dead ends: 143 [2021-12-07 01:36:54,203 INFO L226 Difference]: Without dead ends: 143 [2021-12-07 01:36:54,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:36:54,204 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 34 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:54,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 1 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:36:54,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-12-07 01:36:54,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 118. [2021-12-07 01:36:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 59 states have (on average 3.4915254237288136) internal successors, (206), 117 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:54,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 206 transitions. [2021-12-07 01:36:54,212 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 206 transitions. Word has length 4 [2021-12-07 01:36:54,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:54,212 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 206 transitions. [2021-12-07 01:36:54,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:54,213 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 206 transitions. [2021-12-07 01:36:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-12-07 01:36:54,213 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:54,213 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-12-07 01:36:54,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-07 01:36:54,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:36:54,414 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting buildErr1REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:54,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:54,416 INFO L85 PathProgramCache]: Analyzing trace with hash 20057327, now seen corresponding path program 1 times [2021-12-07 01:36:54,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:54,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844798175] [2021-12-07 01:36:54,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:54,418 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:54,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:54,420 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:54,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-07 01:36:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:54,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 01:36:54,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:54,508 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 [2021-12-07 01:36:54,513 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 [2021-12-07 01:36:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:54,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:54,520 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:54,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844798175] [2021-12-07 01:36:54,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844798175] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:54,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:54,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:36:54,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317552345] [2021-12-07 01:36:54,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:54,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:36:54,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:54,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:36:54,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:36:54,521 INFO L87 Difference]: Start difference. First operand 118 states and 206 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:54,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:54,697 INFO L93 Difference]: Finished difference Result 140 states and 244 transitions. [2021-12-07 01:36:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:36:54,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2021-12-07 01:36:54,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:54,698 INFO L225 Difference]: With dead ends: 140 [2021-12-07 01:36:54,698 INFO L226 Difference]: Without dead ends: 140 [2021-12-07 01:36:54,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:36:54,699 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 34 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:54,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 0 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:36:54,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-12-07 01:36:54,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 115. [2021-12-07 01:36:54,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 58 states have (on average 3.4482758620689653) internal successors, (200), 114 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 200 transitions. [2021-12-07 01:36:54,708 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 200 transitions. Word has length 4 [2021-12-07 01:36:54,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:54,708 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 200 transitions. [2021-12-07 01:36:54,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 200 transitions. [2021-12-07 01:36:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-07 01:36:54,709 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:54,709 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-07 01:36:54,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-07 01:36:54,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:36:54,911 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting buildErr8REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:54,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:54,912 INFO L85 PathProgramCache]: Analyzing trace with hash 621777716, now seen corresponding path program 1 times [2021-12-07 01:36:54,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:54,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483864400] [2021-12-07 01:36:54,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:54,914 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:54,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:54,916 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:54,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-07 01:36:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:55,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-07 01:36:55,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:55,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:55,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:55,115 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:55,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483864400] [2021-12-07 01:36:55,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483864400] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:55,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:55,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:36:55,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608794291] [2021-12-07 01:36:55,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:55,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:36:55,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:55,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:36:55,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:36:55,116 INFO L87 Difference]: Start difference. First operand 115 states and 200 transitions. Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 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) [2021-12-07 01:36:55,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:55,507 INFO L93 Difference]: Finished difference Result 137 states and 236 transitions. [2021-12-07 01:36:55,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:36:55,507 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-12-07 01:36:55,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:55,508 INFO L225 Difference]: With dead ends: 137 [2021-12-07 01:36:55,508 INFO L226 Difference]: Without dead ends: 137 [2021-12-07 01:36:55,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:36:55,509 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 114 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:55,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 6 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-07 01:36:55,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-12-07 01:36:55,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 119. [2021-12-07 01:36:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 62 states have (on average 3.3225806451612905) internal successors, (206), 118 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:55,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 206 transitions. [2021-12-07 01:36:55,515 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 206 transitions. Word has length 5 [2021-12-07 01:36:55,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:55,515 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 206 transitions. [2021-12-07 01:36:55,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 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) [2021-12-07 01:36:55,515 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 206 transitions. [2021-12-07 01:36:55,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-07 01:36:55,515 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:55,515 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-07 01:36:55,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-07 01:36:55,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:36:55,717 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:55,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:55,718 INFO L85 PathProgramCache]: Analyzing trace with hash 621777638, now seen corresponding path program 1 times [2021-12-07 01:36:55,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:55,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858173153] [2021-12-07 01:36:55,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:55,720 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:55,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:55,722 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:55,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-07 01:36:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:55,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 01:36:55,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:55,835 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-12-07 01:36:55,835 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 28 treesize of output 30 [2021-12-07 01:36:55,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:36:55,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-07 01:36:55,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:36:55,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-07 01:36:55,886 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-07 01:36:55,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-12-07 01:36:55,911 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:36:55,911 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 12 treesize of output 18 [2021-12-07 01:36:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:55,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:55,939 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:55,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858173153] [2021-12-07 01:36:55,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858173153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:55,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:55,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:36:55,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556186759] [2021-12-07 01:36:55,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:55,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:36:55,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:55,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:36:55,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:36:55,940 INFO L87 Difference]: Start difference. First operand 119 states and 206 transitions. Second operand has 5 states, 4 states have (on average 1.25) 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) [2021-12-07 01:36:56,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:56,127 INFO L93 Difference]: Finished difference Result 118 states and 204 transitions. [2021-12-07 01:36:56,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:36:56,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) 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 5 [2021-12-07 01:36:56,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:56,128 INFO L225 Difference]: With dead ends: 118 [2021-12-07 01:36:56,128 INFO L226 Difference]: Without dead ends: 118 [2021-12-07 01:36:56,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:36:56,129 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:56,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 46 Unchecked, 0.2s Time] [2021-12-07 01:36:56,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-12-07 01:36:56,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-12-07 01:36:56,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 61 states have (on average 3.3442622950819674) internal successors, (204), 117 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 204 transitions. [2021-12-07 01:36:56,134 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 204 transitions. Word has length 5 [2021-12-07 01:36:56,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:56,134 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 204 transitions. [2021-12-07 01:36:56,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) 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) [2021-12-07 01:36:56,134 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 204 transitions. [2021-12-07 01:36:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-07 01:36:56,134 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:56,134 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-07 01:36:56,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-07 01:36:56,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:36:56,336 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:56,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:56,337 INFO L85 PathProgramCache]: Analyzing trace with hash 2095237878, now seen corresponding path program 1 times [2021-12-07 01:36:56,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:56,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875014079] [2021-12-07 01:36:56,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:56,339 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:56,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:56,342 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:56,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-07 01:36:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:56,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-07 01:36:56,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:36:56,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-07 01:36:56,484 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 20 treesize of output 18 [2021-12-07 01:36:56,518 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:36:56,518 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 12 treesize of output 18 [2021-12-07 01:36:56,555 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:36:56,555 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 16 treesize of output 22 [2021-12-07 01:36:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:56,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:56,677 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:56,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875014079] [2021-12-07 01:36:56,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875014079] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:56,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:56,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:36:56,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282655656] [2021-12-07 01:36:56,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:56,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:36:56,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:56,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:36:56,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:36:56,678 INFO L87 Difference]: Start difference. First operand 118 states and 204 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:56,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:56,946 INFO L93 Difference]: Finished difference Result 121 states and 208 transitions. [2021-12-07 01:36:56,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:36:56,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-12-07 01:36:56,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:56,948 INFO L225 Difference]: With dead ends: 121 [2021-12-07 01:36:56,948 INFO L226 Difference]: Without dead ends: 121 [2021-12-07 01:36:56,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:36:56,949 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 91 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:56,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 7 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 91 Unchecked, 0.3s Time] [2021-12-07 01:36:56,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-12-07 01:36:56,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2021-12-07 01:36:56,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 62 states have (on average 3.3225806451612905) internal successors, (206), 118 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:56,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 206 transitions. [2021-12-07 01:36:56,954 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 206 transitions. Word has length 6 [2021-12-07 01:36:56,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:56,954 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 206 transitions. [2021-12-07 01:36:56,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:56,954 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 206 transitions. [2021-12-07 01:36:56,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-07 01:36:56,955 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:56,955 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:36:56,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-07 01:36:57,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:36:57,157 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting buildErr12REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:57,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:57,158 INFO L85 PathProgramCache]: Analyzing trace with hash 527865293, now seen corresponding path program 1 times [2021-12-07 01:36:57,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:57,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434293336] [2021-12-07 01:36:57,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:57,160 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:57,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:57,163 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:57,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-07 01:36:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:57,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 01:36:57,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:57,330 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 [2021-12-07 01:36:57,353 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-07 01:36:57,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 30 [2021-12-07 01:36:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:57,357 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:57,357 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:57,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434293336] [2021-12-07 01:36:57,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434293336] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:57,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:57,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:36:57,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342642605] [2021-12-07 01:36:57,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:57,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:36:57,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:57,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:36:57,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:36:57,359 INFO L87 Difference]: Start difference. First operand 119 states and 206 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:57,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:57,571 INFO L93 Difference]: Finished difference Result 141 states and 245 transitions. [2021-12-07 01:36:57,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:36:57,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2021-12-07 01:36:57,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:57,572 INFO L225 Difference]: With dead ends: 141 [2021-12-07 01:36:57,572 INFO L226 Difference]: Without dead ends: 141 [2021-12-07 01:36:57,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:36:57,573 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 29 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:57,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 1 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:36:57,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-12-07 01:36:57,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 116. [2021-12-07 01:36:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 61 states have (on average 3.2950819672131146) internal successors, (201), 115 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 201 transitions. [2021-12-07 01:36:57,576 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 201 transitions. Word has length 7 [2021-12-07 01:36:57,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:57,577 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 201 transitions. [2021-12-07 01:36:57,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 201 transitions. [2021-12-07 01:36:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-07 01:36:57,577 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:57,577 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:36:57,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-07 01:36:57,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:36:57,779 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:57,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:57,781 INFO L85 PathProgramCache]: Analyzing trace with hash 527865217, now seen corresponding path program 1 times [2021-12-07 01:36:57,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:57,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78759308] [2021-12-07 01:36:57,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:57,782 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:57,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:57,785 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:57,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-07 01:36:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:57,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-07 01:36:57,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:57,953 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-12-07 01:36:57,953 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 28 treesize of output 30 [2021-12-07 01:36:57,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:36:57,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-07 01:36:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:36:58,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-07 01:36:58,018 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-07 01:36:58,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-12-07 01:36:58,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:36:58,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-07 01:36:58,097 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:36:58,097 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 12 treesize of output 18 [2021-12-07 01:36:58,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:58,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:58,142 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:58,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78759308] [2021-12-07 01:36:58,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [78759308] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:58,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:58,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:36:58,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875289723] [2021-12-07 01:36:58,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:58,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:36:58,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:58,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:36:58,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:36:58,143 INFO L87 Difference]: Start difference. First operand 116 states and 201 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:58,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:58,389 INFO L93 Difference]: Finished difference Result 121 states and 212 transitions. [2021-12-07 01:36:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:36:58,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2021-12-07 01:36:58,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:58,391 INFO L225 Difference]: With dead ends: 121 [2021-12-07 01:36:58,391 INFO L226 Difference]: Without dead ends: 121 [2021-12-07 01:36:58,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:36:58,391 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 4 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 88 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:58,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 4 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 88 Unchecked, 0.2s Time] [2021-12-07 01:36:58,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-12-07 01:36:58,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2021-12-07 01:36:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 63 states have (on average 3.2857142857142856) internal successors, (207), 117 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 207 transitions. [2021-12-07 01:36:58,395 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 207 transitions. Word has length 7 [2021-12-07 01:36:58,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:58,395 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 207 transitions. [2021-12-07 01:36:58,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:58,395 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 207 transitions. [2021-12-07 01:36:58,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-07 01:36:58,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:58,396 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:36:58,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-07 01:36:58,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:36:58,598 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting buildErr10REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:58,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:58,599 INFO L85 PathProgramCache]: Analyzing trace with hash 527865046, now seen corresponding path program 1 times [2021-12-07 01:36:58,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:58,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874692580] [2021-12-07 01:36:58,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:58,601 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:58,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:58,603 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:58,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-07 01:36:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:58,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 01:36:58,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:58,733 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 [2021-12-07 01:36:58,754 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-07 01:36:58,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 29 [2021-12-07 01:36:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:58,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:58,763 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:58,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874692580] [2021-12-07 01:36:58,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874692580] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:58,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:58,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:36:58,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563954759] [2021-12-07 01:36:58,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:58,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:36:58,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:58,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:36:58,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:36:58,765 INFO L87 Difference]: Start difference. First operand 118 states and 207 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:58,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:58,916 INFO L93 Difference]: Finished difference Result 139 states and 244 transitions. [2021-12-07 01:36:58,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:36:58,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2021-12-07 01:36:58,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:58,917 INFO L225 Difference]: With dead ends: 139 [2021-12-07 01:36:58,918 INFO L226 Difference]: Without dead ends: 139 [2021-12-07 01:36:58,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:36:58,918 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 31 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:58,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 0 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:36:58,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-12-07 01:36:58,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 114. [2021-12-07 01:36:58,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 61 states have (on average 3.278688524590164) internal successors, (200), 113 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 200 transitions. [2021-12-07 01:36:58,922 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 200 transitions. Word has length 7 [2021-12-07 01:36:58,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:58,922 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 200 transitions. [2021-12-07 01:36:58,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 200 transitions. [2021-12-07 01:36:58,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-07 01:36:58,922 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:58,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:36:58,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-12-07 01:36:59,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:36:59,124 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting buildErr11REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:59,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:59,125 INFO L85 PathProgramCache]: Analyzing trace with hash 527865047, now seen corresponding path program 1 times [2021-12-07 01:36:59,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:59,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42590602] [2021-12-07 01:36:59,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:59,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:59,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:59,129 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:59,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-07 01:36:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:59,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:36:59,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:59,319 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 [2021-12-07 01:36:59,324 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 [2021-12-07 01:36:59,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:36:59,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-07 01:36:59,351 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-07 01:36:59,351 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 17 treesize of output 17 [2021-12-07 01:36:59,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:59,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:59,358 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:59,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42590602] [2021-12-07 01:36:59,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [42590602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:59,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:59,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:36:59,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393696341] [2021-12-07 01:36:59,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:59,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:36:59,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:59,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:36:59,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:36:59,359 INFO L87 Difference]: Start difference. First operand 114 states and 200 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:59,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:59,527 INFO L93 Difference]: Finished difference Result 136 states and 238 transitions. [2021-12-07 01:36:59,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:36:59,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2021-12-07 01:36:59,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:59,528 INFO L225 Difference]: With dead ends: 136 [2021-12-07 01:36:59,528 INFO L226 Difference]: Without dead ends: 136 [2021-12-07 01:36:59,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:36:59,529 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 43 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:59,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 0 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:36:59,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-07 01:36:59,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 111. [2021-12-07 01:36:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 60 states have (on average 3.2333333333333334) internal successors, (194), 110 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 194 transitions. [2021-12-07 01:36:59,532 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 194 transitions. Word has length 7 [2021-12-07 01:36:59,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:59,532 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 194 transitions. [2021-12-07 01:36:59,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:36:59,532 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 194 transitions. [2021-12-07 01:36:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-07 01:36:59,533 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:59,533 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:36:59,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-12-07 01:36:59,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:36:59,733 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting buildErr13REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:36:59,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:59,734 INFO L85 PathProgramCache]: Analyzing trace with hash 527865292, now seen corresponding path program 1 times [2021-12-07 01:36:59,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:36:59,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738072179] [2021-12-07 01:36:59,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:59,734 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:36:59,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:36:59,735 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:36:59,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-07 01:36:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:59,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-07 01:36:59,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:36:59,844 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 [2021-12-07 01:36:59,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:36:59,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-07 01:36:59,884 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-07 01:36:59,884 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 14 treesize of output 14 [2021-12-07 01:36:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:36:59,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:36:59,897 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:36:59,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738072179] [2021-12-07 01:36:59,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1738072179] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:59,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:59,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:36:59,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646550734] [2021-12-07 01:36:59,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:59,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:36:59,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:36:59,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:36:59,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:36:59,898 INFO L87 Difference]: Start difference. First operand 111 states and 194 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:00,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:00,138 INFO L93 Difference]: Finished difference Result 133 states and 232 transitions. [2021-12-07 01:37:00,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:37:00,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2021-12-07 01:37:00,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:00,139 INFO L225 Difference]: With dead ends: 133 [2021-12-07 01:37:00,139 INFO L226 Difference]: Without dead ends: 133 [2021-12-07 01:37:00,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:37:00,140 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 97 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:00,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 0 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:37:00,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-12-07 01:37:00,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 108. [2021-12-07 01:37:00,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 59 states have (on average 3.1864406779661016) internal successors, (188), 107 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 188 transitions. [2021-12-07 01:37:00,143 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 188 transitions. Word has length 7 [2021-12-07 01:37:00,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:00,143 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 188 transitions. [2021-12-07 01:37:00,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:00,143 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 188 transitions. [2021-12-07 01:37:00,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-12-07 01:37:00,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:00,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:37:00,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-12-07 01:37:00,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:37:00,345 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:37:00,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:00,346 INFO L85 PathProgramCache]: Analyzing trace with hash -816052257, now seen corresponding path program 1 times [2021-12-07 01:37:00,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:37:00,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39866457] [2021-12-07 01:37:00,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:37:00,348 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:37:00,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:37:00,350 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:37:00,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-07 01:37:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:00,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-07 01:37:00,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:00,641 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-12-07 01:37:00,641 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 32 treesize of output 34 [2021-12-07 01:37:00,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:37:00,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-07 01:37:00,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:37:00,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-07 01:37:00,684 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-07 01:37:00,684 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 17 treesize of output 17 [2021-12-07 01:37:00,701 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 [2021-12-07 01:37:00,711 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:00,712 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 12 treesize of output 18 [2021-12-07 01:37:00,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:37:00,785 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-12-07 01:37:00,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2021-12-07 01:37:00,794 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-07 01:37:00,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-12-07 01:37:01,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:01,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:37:01,057 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:37:01,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39866457] [2021-12-07 01:37:01,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [39866457] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:37:01,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:37:01,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:37:01,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106707498] [2021-12-07 01:37:01,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:37:01,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:37:01,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:37:01,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:37:01,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:37:01,058 INFO L87 Difference]: Start difference. First operand 108 states and 188 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-12-07 01:37:01,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:01,227 INFO L93 Difference]: Finished difference Result 112 states and 195 transitions. [2021-12-07 01:37:01,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:37:01,227 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 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 [2021-12-07 01:37:01,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:01,228 INFO L225 Difference]: With dead ends: 112 [2021-12-07 01:37:01,228 INFO L226 Difference]: Without dead ends: 112 [2021-12-07 01:37:01,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:37:01,229 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:01,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 82 Unchecked, 0.1s Time] [2021-12-07 01:37:01,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-12-07 01:37:01,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2021-12-07 01:37:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 60 states have (on average 3.183333333333333) internal successors, (191), 108 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 191 transitions. [2021-12-07 01:37:01,232 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 191 transitions. Word has length 8 [2021-12-07 01:37:01,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:01,232 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 191 transitions. [2021-12-07 01:37:01,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-12-07 01:37:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 191 transitions. [2021-12-07 01:37:01,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-07 01:37:01,233 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:01,233 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:37:01,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-12-07 01:37:01,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:37:01,434 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:37:01,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:01,435 INFO L85 PathProgramCache]: Analyzing trace with hash 472186573, now seen corresponding path program 1 times [2021-12-07 01:37:01,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:37:01,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878649098] [2021-12-07 01:37:01,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:37:01,437 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:37:01,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:37:01,440 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:37:01,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-07 01:37:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:01,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-07 01:37:01,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:01,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:37:01,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-07 01:37:01,600 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 18 treesize of output 16 [2021-12-07 01:37:01,636 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:01,636 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 12 treesize of output 18 [2021-12-07 01:37:01,671 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:01,671 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 16 treesize of output 22 [2021-12-07 01:37:01,728 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:01,728 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 19 treesize of output 25 [2021-12-07 01:37:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:02,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:37:02,024 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:37:02,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878649098] [2021-12-07 01:37:02,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [878649098] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:37:02,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:37:02,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:37:02,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113229034] [2021-12-07 01:37:02,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:37:02,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:37:02,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:37:02,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:37:02,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:37:02,025 INFO L87 Difference]: Start difference. First operand 109 states and 191 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:02,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:02,306 INFO L93 Difference]: Finished difference Result 114 states and 198 transitions. [2021-12-07 01:37:02,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:37:02,307 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-12-07 01:37:02,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:02,307 INFO L225 Difference]: With dead ends: 114 [2021-12-07 01:37:02,307 INFO L226 Difference]: Without dead ends: 114 [2021-12-07 01:37:02,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:37:02,308 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 141 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:02,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 141 Unchecked, 0.3s Time] [2021-12-07 01:37:02,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-12-07 01:37:02,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 110. [2021-12-07 01:37:02,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 61 states have (on average 3.1639344262295084) internal successors, (193), 109 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:02,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 193 transitions. [2021-12-07 01:37:02,311 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 193 transitions. Word has length 9 [2021-12-07 01:37:02,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:02,311 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 193 transitions. [2021-12-07 01:37:02,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:02,311 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 193 transitions. [2021-12-07 01:37:02,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-07 01:37:02,312 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:02,312 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:37:02,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-12-07 01:37:02,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:37:02,513 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:37:02,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:02,514 INFO L85 PathProgramCache]: Analyzing trace with hash 472187069, now seen corresponding path program 1 times [2021-12-07 01:37:02,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:37:02,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574343505] [2021-12-07 01:37:02,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:37:02,516 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:37:02,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:37:02,518 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:37:02,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-12-07 01:37:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:02,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-07 01:37:02,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:37:02,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-07 01:37:02,683 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 18 treesize of output 16 [2021-12-07 01:37:02,714 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:02,715 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 12 treesize of output 18 [2021-12-07 01:37:02,747 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:02,747 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 16 treesize of output 22 [2021-12-07 01:37:02,812 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:02,812 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 19 treesize of output 25 [2021-12-07 01:37:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:03,098 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:37:03,098 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:37:03,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574343505] [2021-12-07 01:37:03,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1574343505] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:37:03,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:37:03,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:37:03,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490993275] [2021-12-07 01:37:03,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:37:03,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:37:03,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:37:03,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:37:03,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:37:03,100 INFO L87 Difference]: Start difference. First operand 110 states and 193 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:03,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:03,394 INFO L93 Difference]: Finished difference Result 115 states and 199 transitions. [2021-12-07 01:37:03,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:37:03,395 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-12-07 01:37:03,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:03,396 INFO L225 Difference]: With dead ends: 115 [2021-12-07 01:37:03,396 INFO L226 Difference]: Without dead ends: 115 [2021-12-07 01:37:03,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:37:03,396 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 139 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:03,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 139 Unchecked, 0.3s Time] [2021-12-07 01:37:03,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-12-07 01:37:03,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2021-12-07 01:37:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 62 states have (on average 3.129032258064516) internal successors, (194), 110 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 194 transitions. [2021-12-07 01:37:03,399 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 194 transitions. Word has length 9 [2021-12-07 01:37:03,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:03,399 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 194 transitions. [2021-12-07 01:37:03,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:03,400 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 194 transitions. [2021-12-07 01:37:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-07 01:37:03,400 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:03,400 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:37:03,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-12-07 01:37:03,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:37:03,601 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting buildErr8REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:37:03,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:03,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1752883787, now seen corresponding path program 1 times [2021-12-07 01:37:03,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:37:03,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269608074] [2021-12-07 01:37:03,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:37:03,604 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:37:03,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:37:03,607 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:37:03,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-12-07 01:37:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:03,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-07 01:37:03,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:03,856 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 11 treesize of output 7 [2021-12-07 01:37:03,875 INFO L354 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2021-12-07 01:37:03,875 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 20 treesize of output 25 [2021-12-07 01:37:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:03,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:37:03,941 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 40 treesize of output 36 [2021-12-07 01:37:04,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:04,028 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:37:04,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269608074] [2021-12-07 01:37:04,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269608074] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:37:04,028 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:37:04,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-12-07 01:37:04,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304607800] [2021-12-07 01:37:04,029 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:37:04,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:37:04,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:37:04,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:37:04,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:37:04,029 INFO L87 Difference]: Start difference. First operand 111 states and 194 transitions. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:04,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:04,355 INFO L93 Difference]: Finished difference Result 135 states and 235 transitions. [2021-12-07 01:37:04,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:37:04,355 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-07 01:37:04,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:04,356 INFO L225 Difference]: With dead ends: 135 [2021-12-07 01:37:04,356 INFO L226 Difference]: Without dead ends: 135 [2021-12-07 01:37:04,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:37:04,357 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 49 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 64 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:04,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 0 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 143 Invalid, 0 Unknown, 64 Unchecked, 0.3s Time] [2021-12-07 01:37:04,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-12-07 01:37:04,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 108. [2021-12-07 01:37:04,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 61 states have (on average 3.098360655737705) internal successors, (189), 107 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 189 transitions. [2021-12-07 01:37:04,360 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 189 transitions. Word has length 10 [2021-12-07 01:37:04,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:04,360 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 189 transitions. [2021-12-07 01:37:04,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 189 transitions. [2021-12-07 01:37:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-07 01:37:04,361 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:04,361 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:37:04,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-12-07 01:37:04,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:37:04,563 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting buildErr9REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:37:04,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:04,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1752883788, now seen corresponding path program 1 times [2021-12-07 01:37:04,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:37:04,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840959918] [2021-12-07 01:37:04,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:37:04,566 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:37:04,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:37:04,568 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:37:04,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-12-07 01:37:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:04,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 28 conjunts are in the unsatisfiable core [2021-12-07 01:37:04,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:04,808 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 11 treesize of output 7 [2021-12-07 01:37:04,815 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 11 treesize of output 7 [2021-12-07 01:37:04,840 INFO L354 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2021-12-07 01:37:04,841 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 20 treesize of output 20 [2021-12-07 01:37:04,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-12-07 01:37:04,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:04,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:37:05,000 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 98 treesize of output 94 [2021-12-07 01:37:05,003 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 143 treesize of output 127 [2021-12-07 01:37:05,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 01:37:05,155 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 30 treesize of output 26 [2021-12-07 01:37:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:05,223 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:37:05,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840959918] [2021-12-07 01:37:05,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840959918] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:37:05,223 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:37:05,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-12-07 01:37:05,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14674258] [2021-12-07 01:37:05,223 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:37:05,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 01:37:05,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:37:05,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 01:37:05,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:37:05,224 INFO L87 Difference]: Start difference. First operand 108 states and 189 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-12-07 01:37:05,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:05,860 INFO L93 Difference]: Finished difference Result 142 states and 242 transitions. [2021-12-07 01:37:05,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:37:05,861 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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 10 [2021-12-07 01:37:05,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:05,862 INFO L225 Difference]: With dead ends: 142 [2021-12-07 01:37:05,862 INFO L226 Difference]: Without dead ends: 142 [2021-12-07 01:37:05,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-12-07 01:37:05,863 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 78 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 65 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:05,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 0 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 119 Invalid, 0 Unknown, 65 Unchecked, 0.5s Time] [2021-12-07 01:37:05,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-12-07 01:37:05,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 111. [2021-12-07 01:37:05,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 64 states have (on average 3.0) internal successors, (192), 110 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:05,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 192 transitions. [2021-12-07 01:37:05,866 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 192 transitions. Word has length 10 [2021-12-07 01:37:05,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:05,866 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 192 transitions. [2021-12-07 01:37:05,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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) [2021-12-07 01:37:05,867 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 192 transitions. [2021-12-07 01:37:05,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-07 01:37:05,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:05,867 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:37:05,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2021-12-07 01:37:06,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:37:06,068 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:37:06,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:06,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1752883709, now seen corresponding path program 2 times [2021-12-07 01:37:06,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:37:06,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105786612] [2021-12-07 01:37:06,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:37:06,072 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:37:06,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:37:06,074 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:37:06,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-12-07 01:37:06,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 01:37:06,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:37:06,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-07 01:37:06,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:06,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 01:37:06,272 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-12-07 01:37:06,272 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 28 treesize of output 30 [2021-12-07 01:37:06,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:37:06,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-07 01:37:06,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:37:06,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-07 01:37:06,384 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-12-07 01:37:06,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 28 [2021-12-07 01:37:06,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:37:06,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-07 01:37:06,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:37:06,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-07 01:37:06,514 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:06,514 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 12 treesize of output 18 [2021-12-07 01:37:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:06,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:37:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:09,724 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:37:09,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105786612] [2021-12-07 01:37:09,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105786612] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:37:09,725 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:37:09,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 9 [2021-12-07 01:37:09,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222972597] [2021-12-07 01:37:09,725 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:37:09,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:37:09,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:37:09,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:37:09,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=72, Unknown=1, NotChecked=0, Total=110 [2021-12-07 01:37:09,726 INFO L87 Difference]: Start difference. First operand 111 states and 192 transitions. Second operand has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 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) [2021-12-07 01:37:10,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:10,069 INFO L93 Difference]: Finished difference Result 117 states and 205 transitions. [2021-12-07 01:37:10,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:37:10,070 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 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 10 [2021-12-07 01:37:10,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:10,071 INFO L225 Difference]: With dead ends: 117 [2021-12-07 01:37:10,071 INFO L226 Difference]: Without dead ends: 117 [2021-12-07 01:37:10,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=56, Invalid=99, Unknown=1, NotChecked=0, Total=156 [2021-12-07 01:37:10,071 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 7 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 135 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:10,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 0 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 135 Unchecked, 0.3s Time] [2021-12-07 01:37:10,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-12-07 01:37:10,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 112. [2021-12-07 01:37:10,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 65 states have (on average 3.0) internal successors, (195), 111 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:10,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 195 transitions. [2021-12-07 01:37:10,074 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 195 transitions. Word has length 10 [2021-12-07 01:37:10,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:10,074 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 195 transitions. [2021-12-07 01:37:10,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 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) [2021-12-07 01:37:10,075 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 195 transitions. [2021-12-07 01:37:10,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-07 01:37:10,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:10,075 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:37:10,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-12-07 01:37:10,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:37:10,276 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:37:10,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:10,277 INFO L85 PathProgramCache]: Analyzing trace with hash 908284955, now seen corresponding path program 1 times [2021-12-07 01:37:10,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:37:10,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720535889] [2021-12-07 01:37:10,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:37:10,279 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:37:10,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:37:10,282 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:37:10,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-12-07 01:37:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:10,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 01:37:10,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:10,440 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-07 01:37:10,440 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 1 case distinctions, treesize of input 9 treesize of output 18 [2021-12-07 01:37:10,457 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-07 01:37:10,458 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 19 treesize of output 28 [2021-12-07 01:37:10,484 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-07 01:37:10,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 33 [2021-12-07 01:37:10,525 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-07 01:37:10,525 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 29 treesize of output 38 [2021-12-07 01:37:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:10,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:37:10,629 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:37:10,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720535889] [2021-12-07 01:37:10,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1720535889] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:37:10,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:37:10,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:37:10,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314065899] [2021-12-07 01:37:10,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:37:10,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:37:10,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:37:10,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:37:10,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:37:10,630 INFO L87 Difference]: Start difference. First operand 112 states and 195 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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) [2021-12-07 01:37:10,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:10,736 INFO L93 Difference]: Finished difference Result 165 states and 292 transitions. [2021-12-07 01:37:10,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:37:10,737 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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 [2021-12-07 01:37:10,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:10,738 INFO L225 Difference]: With dead ends: 165 [2021-12-07 01:37:10,738 INFO L226 Difference]: Without dead ends: 165 [2021-12-07 01:37:10,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:37:10,739 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 48 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:10,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 48 Unchecked, 0.1s Time] [2021-12-07 01:37:10,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-12-07 01:37:10,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 137. [2021-12-07 01:37:10,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 90 states have (on average 2.8444444444444446) internal successors, (256), 136 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:10,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 256 transitions. [2021-12-07 01:37:10,742 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 256 transitions. Word has length 11 [2021-12-07 01:37:10,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:10,743 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 256 transitions. [2021-12-07 01:37:10,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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) [2021-12-07 01:37:10,743 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 256 transitions. [2021-12-07 01:37:10,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-07 01:37:10,743 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:10,743 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:37:10,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2021-12-07 01:37:10,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:37:10,944 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:37:10,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:10,944 INFO L85 PathProgramCache]: Analyzing trace with hash 908284957, now seen corresponding path program 1 times [2021-12-07 01:37:10,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:37:10,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408779471] [2021-12-07 01:37:10,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:37:10,944 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:37:10,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:37:10,945 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:37:10,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-12-07 01:37:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:11,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-07 01:37:11,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:11,111 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-07 01:37:11,111 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 1 case distinctions, treesize of input 9 treesize of output 18 [2021-12-07 01:37:11,125 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:11,125 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 1 case distinctions, treesize of input 9 treesize of output 15 [2021-12-07 01:37:11,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:37:11,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-07 01:37:11,167 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-07 01:37:11,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-12-07 01:37:11,190 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:11,190 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 12 treesize of output 18 [2021-12-07 01:37:11,228 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:11,229 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 16 treesize of output 22 [2021-12-07 01:37:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:11,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:37:11,461 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:37:11,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408779471] [2021-12-07 01:37:11,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408779471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:37:11,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:37:11,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:37:11,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202229291] [2021-12-07 01:37:11,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:37:11,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:37:11,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:37:11,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:37:11,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:37:11,462 INFO L87 Difference]: Start difference. First operand 137 states and 256 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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) [2021-12-07 01:37:11,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:11,727 INFO L93 Difference]: Finished difference Result 145 states and 266 transitions. [2021-12-07 01:37:11,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:37:11,727 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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 [2021-12-07 01:37:11,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:11,728 INFO L225 Difference]: With dead ends: 145 [2021-12-07 01:37:11,728 INFO L226 Difference]: Without dead ends: 145 [2021-12-07 01:37:11,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:37:11,729 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:11,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 135 Invalid, 0 Unknown, 81 Unchecked, 0.2s Time] [2021-12-07 01:37:11,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-12-07 01:37:11,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2021-12-07 01:37:11,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 97 states have (on average 2.731958762886598) internal successors, (265), 143 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 265 transitions. [2021-12-07 01:37:11,733 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 265 transitions. Word has length 11 [2021-12-07 01:37:11,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:11,733 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 265 transitions. [2021-12-07 01:37:11,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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) [2021-12-07 01:37:11,733 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 265 transitions. [2021-12-07 01:37:11,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-07 01:37:11,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:11,733 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:37:11,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Ended with exit code 0 [2021-12-07 01:37:11,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:37:11,934 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:37:11,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:11,935 INFO L85 PathProgramCache]: Analyzing trace with hash 561789571, now seen corresponding path program 2 times [2021-12-07 01:37:11,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:37:11,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766533943] [2021-12-07 01:37:11,935 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:37:11,936 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:37:11,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:37:11,937 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:37:11,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-12-07 01:37:12,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-07 01:37:12,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:37:12,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 01:37:12,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:12,119 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-07 01:37:12,119 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 1 case distinctions, treesize of input 9 treesize of output 18 [2021-12-07 01:37:12,136 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-07 01:37:12,136 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 19 treesize of output 28 [2021-12-07 01:37:12,162 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-07 01:37:12,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 33 [2021-12-07 01:37:12,205 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-07 01:37:12,205 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 29 treesize of output 38 [2021-12-07 01:37:12,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:12,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:37:12,314 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:37:12,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766533943] [2021-12-07 01:37:12,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766533943] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:37:12,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:37:12,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:37:12,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767605506] [2021-12-07 01:37:12,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:37:12,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:37:12,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:37:12,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:37:12,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:37:12,315 INFO L87 Difference]: Start difference. First operand 144 states and 265 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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) [2021-12-07 01:37:12,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:12,502 INFO L93 Difference]: Finished difference Result 159 states and 278 transitions. [2021-12-07 01:37:12,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:37:12,503 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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 [2021-12-07 01:37:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:12,506 INFO L225 Difference]: With dead ends: 159 [2021-12-07 01:37:12,506 INFO L226 Difference]: Without dead ends: 159 [2021-12-07 01:37:12,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:37:12,507 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 34 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:12,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 0 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 2 Unchecked, 0.2s Time] [2021-12-07 01:37:12,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-12-07 01:37:12,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 116. [2021-12-07 01:37:12,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 76 states have (on average 2.6578947368421053) internal successors, (202), 115 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:12,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 202 transitions. [2021-12-07 01:37:12,510 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 202 transitions. Word has length 11 [2021-12-07 01:37:12,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:12,510 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 202 transitions. [2021-12-07 01:37:12,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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) [2021-12-07 01:37:12,511 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 202 transitions. [2021-12-07 01:37:12,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-07 01:37:12,511 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:12,511 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:37:12,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-12-07 01:37:12,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:37:12,712 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:37:12,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:12,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1345408829, now seen corresponding path program 2 times [2021-12-07 01:37:12,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:37:12,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135828240] [2021-12-07 01:37:12,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:37:12,716 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:37:12,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:37:12,718 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:37:12,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-12-07 01:37:12,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-07 01:37:12,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:37:12,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-07 01:37:12,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:13,023 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-07 01:37:13,023 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 1 case distinctions, treesize of input 9 treesize of output 18 [2021-12-07 01:37:13,037 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:13,037 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 1 case distinctions, treesize of input 9 treesize of output 15 [2021-12-07 01:37:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:37:13,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-07 01:37:13,068 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-07 01:37:13,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2021-12-07 01:37:13,094 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:13,094 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 12 treesize of output 18 [2021-12-07 01:37:13,135 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:13,135 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 16 treesize of output 22 [2021-12-07 01:37:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:13,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:37:13,403 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:37:13,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2135828240] [2021-12-07 01:37:13,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2135828240] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:37:13,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:37:13,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:37:13,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964018394] [2021-12-07 01:37:13,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:37:13,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:37:13,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:37:13,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:37:13,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:37:13,405 INFO L87 Difference]: Start difference. First operand 116 states and 202 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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) [2021-12-07 01:37:13,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:13,670 INFO L93 Difference]: Finished difference Result 123 states and 213 transitions. [2021-12-07 01:37:13,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:37:13,671 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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 [2021-12-07 01:37:13,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:13,672 INFO L225 Difference]: With dead ends: 123 [2021-12-07 01:37:13,672 INFO L226 Difference]: Without dead ends: 123 [2021-12-07 01:37:13,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:37:13,672 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 86 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:13,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 135 Invalid, 0 Unknown, 86 Unchecked, 0.2s Time] [2021-12-07 01:37:13,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-12-07 01:37:13,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 117. [2021-12-07 01:37:13,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 77 states have (on average 2.6493506493506493) internal successors, (204), 116 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:13,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 204 transitions. [2021-12-07 01:37:13,675 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 204 transitions. Word has length 11 [2021-12-07 01:37:13,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:13,676 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 204 transitions. [2021-12-07 01:37:13,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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) [2021-12-07 01:37:13,676 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 204 transitions. [2021-12-07 01:37:13,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-07 01:37:13,676 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:13,676 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:37:13,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-12-07 01:37:13,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:37:13,877 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:37:13,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:13,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1497342929, now seen corresponding path program 3 times [2021-12-07 01:37:13,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:37:13,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674319326] [2021-12-07 01:37:13,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 01:37:13,880 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:37:13,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:37:13,882 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:37:13,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-12-07 01:37:14,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-12-07 01:37:14,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:37:14,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-07 01:37:14,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:14,097 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-07 01:37:14,097 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 1 case distinctions, treesize of input 9 treesize of output 18 [2021-12-07 01:37:14,110 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:14,110 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 1 case distinctions, treesize of input 9 treesize of output 15 [2021-12-07 01:37:14,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:37:14,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-07 01:37:14,142 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-07 01:37:14,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2021-12-07 01:37:14,169 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:14,169 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 12 treesize of output 18 [2021-12-07 01:37:14,206 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 01:37:14,206 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 16 treesize of output 22 [2021-12-07 01:37:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:14,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:37:14,483 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:37:14,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674319326] [2021-12-07 01:37:14,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674319326] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:37:14,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:37:14,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:37:14,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647939699] [2021-12-07 01:37:14,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:37:14,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:37:14,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:37:14,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:37:14,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:37:14,484 INFO L87 Difference]: Start difference. First operand 117 states and 204 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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) [2021-12-07 01:37:14,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:14,719 INFO L93 Difference]: Finished difference Result 122 states and 212 transitions. [2021-12-07 01:37:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:37:14,720 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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 [2021-12-07 01:37:14,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:14,721 INFO L225 Difference]: With dead ends: 122 [2021-12-07 01:37:14,721 INFO L226 Difference]: Without dead ends: 122 [2021-12-07 01:37:14,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:37:14,721 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 78 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:14,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 0 Unknown, 78 Unchecked, 0.2s Time] [2021-12-07 01:37:14,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-12-07 01:37:14,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2021-12-07 01:37:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 79 states have (on average 2.632911392405063) internal successors, (208), 118 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:37:14,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 208 transitions. [2021-12-07 01:37:14,725 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 208 transitions. Word has length 11 [2021-12-07 01:37:14,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:37:14,725 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 208 transitions. [2021-12-07 01:37:14,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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) [2021-12-07 01:37:14,725 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 208 transitions. [2021-12-07 01:37:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-07 01:37:14,725 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:14,725 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:37:14,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Ended with exit code 0 [2021-12-07 01:37:14,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:37:14,926 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting buildErr9REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-12-07 01:37:14,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:14,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1495220240, now seen corresponding path program 1 times [2021-12-07 01:37:14,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:37:14,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479314545] [2021-12-07 01:37:14,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:37:14,927 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:37:14,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:37:14,927 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:37:14,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266c3163-db4c-4b66-b44e-81060e88c0e8/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-12-07 01:37:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:15,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2021-12-07 01:37:15,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:15,129 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 11 treesize of output 7 [2021-12-07 01:37:15,134 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 11 treesize of output 7 [2021-12-07 01:37:15,167 INFO L354 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2021-12-07 01:37:15,167 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 20 treesize of output 20 [2021-12-07 01:37:15,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-12-07 01:37:15,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:15,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:37:15,367 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 98 treesize of output 94 [2021-12-07 01:37:15,370 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 143 treesize of output 127