./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL --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 0176377c3fa036d8b42b70bf41d842353f196a854b997aa0bf5f176a7ad1942b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:24:40,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:24:40,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:24:40,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:24:40,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:24:40,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:24:40,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:24:40,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:24:40,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:24:40,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:24:40,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:24:40,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:24:40,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:24:40,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:24:40,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:24:40,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:24:40,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:24:40,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:24:40,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:24:40,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:24:40,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:24:40,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:24:40,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:24:40,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:24:40,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:24:40,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:24:40,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:24:40,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:24:40,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:24:40,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:24:40,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:24:40,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:24:40,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:24:40,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:24:40,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:24:40,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:24:40,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:24:40,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:24:40,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:24:40,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:24:40,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:24:40,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-19 05:24:40,590 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:24:40,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:24:40,592 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:24:40,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:24:40,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:24:40,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:24:40,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:24:40,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:24:40,594 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:24:40,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:24:40,595 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:24:40,595 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:24:40,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:24:40,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:24:40,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:24:40,596 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 05:24:40,596 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 05:24:40,596 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 05:24:40,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:24:40,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 05:24:40,597 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:24:40,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:24:40,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:24:40,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:24:40,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:24:40,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:24:40,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:24:40,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:24:40,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:24:40,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:24:40,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:24:40,599 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_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0176377c3fa036d8b42b70bf41d842353f196a854b997aa0bf5f176a7ad1942b [2021-11-19 05:24:40,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:24:40,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:24:40,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:24:40,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:24:40,942 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:24:40,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-11-19 05:24:41,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/data/479daebcd/d0a8eeba3f1847e498c54bf2f021da67/FLAG21c47cfa2 [2021-11-19 05:24:41,646 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:24:41,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-11-19 05:24:41,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/data/479daebcd/d0a8eeba3f1847e498c54bf2f021da67/FLAG21c47cfa2 [2021-11-19 05:24:41,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/data/479daebcd/d0a8eeba3f1847e498c54bf2f021da67 [2021-11-19 05:24:41,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:24:41,914 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-19 05:24:41,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:24:41,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:24:41,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:24:41,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:41" (1/1) ... [2021-11-19 05:24:41,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adf3d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:41, skipping insertion in model container [2021-11-19 05:24:41,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:41" (1/1) ... [2021-11-19 05:24:41,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:24:42,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:24:42,453 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:24:42,466 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 05:24:42,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f13d092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42, skipping insertion in model container [2021-11-19 05:24:42,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:24:42,468 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-19 05:24:42,470 INFO L158 Benchmark]: Toolchain (without parser) took 555.26ms. Allocated memory is still 111.1MB. Free memory was 78.8MB in the beginning and 82.8MB in the end (delta: -4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:24:42,470 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:24:42,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.40ms. Allocated memory is still 111.1MB. Free memory was 78.4MB in the beginning and 82.8MB in the end (delta: -4.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 05:24:42,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.40ms. Allocated memory is still 111.1MB. Free memory was 78.4MB in the beginning and 82.8MB in the end (delta: -4.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 643]: 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_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL --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 0176377c3fa036d8b42b70bf41d842353f196a854b997aa0bf5f176a7ad1942b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:24:44,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:24:44,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:24:44,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:24:44,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:24:44,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:24:44,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:24:44,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:24:44,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:24:44,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:24:44,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:24:44,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:24:44,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:24:44,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:24:44,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:24:44,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:24:44,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:24:44,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:24:44,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:24:44,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:24:44,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:24:44,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:24:44,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:24:44,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:24:44,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:24:44,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:24:44,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:24:44,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:24:44,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:24:44,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:24:44,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:24:44,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:24:44,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:24:44,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:24:44,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:24:44,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:24:44,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:24:44,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:24:44,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:24:44,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:24:44,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:24:44,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-19 05:24:44,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:24:44,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:24:44,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:24:44,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:24:44,779 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:24:44,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:24:44,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:24:44,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:24:44,781 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:24:44,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:24:44,781 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:24:44,781 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:24:44,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:24:44,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:24:44,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:24:44,782 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 05:24:44,782 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 05:24:44,783 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 05:24:44,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:24:44,783 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 05:24:44,783 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 05:24:44,783 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 05:24:44,784 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:24:44,784 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:24:44,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:24:44,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:24:44,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:24:44,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:24:44,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:24:44,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:24:44,785 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 05:24:44,785 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 05:24:44,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:24:44,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 05:24:44,786 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_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0176377c3fa036d8b42b70bf41d842353f196a854b997aa0bf5f176a7ad1942b [2021-11-19 05:24:45,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:24:45,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:24:45,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:24:45,200 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:24:45,201 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:24:45,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-11-19 05:24:45,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/data/b3fda0b4f/053d1918ef0240a69f9ace7aaaa3c401/FLAG3e1a7f3d9 [2021-11-19 05:24:45,933 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:24:45,933 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-11-19 05:24:45,949 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/data/b3fda0b4f/053d1918ef0240a69f9ace7aaaa3c401/FLAG3e1a7f3d9 [2021-11-19 05:24:46,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/data/b3fda0b4f/053d1918ef0240a69f9ace7aaaa3c401 [2021-11-19 05:24:46,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:24:46,149 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-19 05:24:46,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:24:46,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:24:46,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:24:46,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:46" (1/1) ... [2021-11-19 05:24:46,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@478331d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:46, skipping insertion in model container [2021-11-19 05:24:46,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:46" (1/1) ... [2021-11-19 05:24:46,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:24:46,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:24:46,622 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:24:46,652 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 05:24:46,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:24:46,718 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:24:46,736 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:24:46,799 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:24:46,860 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:24:46,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:46 WrapperNode [2021-11-19 05:24:46,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:24:46,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:24:46,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:24:46,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:24:46,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:46" (1/1) ... [2021-11-19 05:24:46,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:46" (1/1) ... [2021-11-19 05:24:46,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:46" (1/1) ... [2021-11-19 05:24:46,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:46" (1/1) ... [2021-11-19 05:24:46,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:46" (1/1) ... [2021-11-19 05:24:46,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:46" (1/1) ... [2021-11-19 05:24:46,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:46" (1/1) ... [2021-11-19 05:24:46,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:24:46,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:24:46,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:24:46,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:24:46,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:46" (1/1) ... [2021-11-19 05:24:46,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:24:46,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:46,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:47,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:24:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-19 05:24:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:24:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-19 05:24:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-11-19 05:24:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-19 05:24:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-19 05:24:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-19 05:24:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-19 05:24:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-19 05:24:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-11-19 05:24:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-19 05:24:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 05:24:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-19 05:24:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-11-19 05:24:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-11-19 05:24:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-11-19 05:24:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-11-19 05:24:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:24:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-19 05:24:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-19 05:24:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-19 05:24:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-19 05:24:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-19 05:24:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-19 05:24:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-19 05:24:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-19 05:24:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-19 05:24:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-19 05:24:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-19 05:24:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-19 05:24:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-19 05:24:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-19 05:24:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-19 05:24:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-19 05:24:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-19 05:24:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-19 05:24:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-19 05:24:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-19 05:24:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-19 05:24:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-19 05:24:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-19 05:24:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-19 05:24:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-19 05:24:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-19 05:24:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-19 05:24:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-19 05:24:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-19 05:24:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-19 05:24:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-19 05:24:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-19 05:24:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-19 05:24:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-19 05:24:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-19 05:24:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-19 05:24:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-19 05:24:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-19 05:24:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-19 05:24:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-19 05:24:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-19 05:24:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-19 05:24:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-19 05:24:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-19 05:24:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-19 05:24:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-19 05:24:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-19 05:24:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-19 05:24:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-19 05:24:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-19 05:24:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-19 05:24:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-19 05:24:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-19 05:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-19 05:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-19 05:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-19 05:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-19 05:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-19 05:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-19 05:24:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-19 05:24:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-19 05:24:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-19 05:24:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-19 05:24:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-19 05:24:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-19 05:24:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-19 05:24:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-19 05:24:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-19 05:24:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-19 05:24:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-19 05:24:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-19 05:24:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-19 05:24:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-19 05:24:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-19 05:24:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-19 05:24:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-19 05:24:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-19 05:24:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-19 05:24:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-19 05:24:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-19 05:24:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-19 05:24:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-19 05:24:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-19 05:24:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-19 05:24:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-19 05:24:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-19 05:24:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-19 05:24:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-19 05:24:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-19 05:24:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-19 05:24:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-19 05:24:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-19 05:24:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-19 05:24:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-19 05:24:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-19 05:24:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-19 05:24:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-19 05:24:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-19 05:24:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-19 05:24:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-19 05:24:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-19 05:24:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-19 05:24:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-19 05:24:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-19 05:24:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-19 05:24:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-19 05:24:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-19 05:24:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2021-11-19 05:24:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2021-11-19 05:24:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-19 05:24:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 05:24:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2021-11-19 05:24:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-11-19 05:24:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-19 05:24:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-19 05:24:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2021-11-19 05:24:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-11-19 05:24:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-19 05:24:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2021-11-19 05:24:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2021-11-19 05:24:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2021-11-19 05:24:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2021-11-19 05:24:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2021-11-19 05:24:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2021-11-19 05:24:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2021-11-19 05:24:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-19 05:24:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2021-11-19 05:24:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2021-11-19 05:24:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2021-11-19 05:24:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-19 05:24:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2021-11-19 05:24:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2021-11-19 05:24:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2021-11-19 05:24:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2021-11-19 05:24:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-19 05:24:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2021-11-19 05:24:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2021-11-19 05:24:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2021-11-19 05:24:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2021-11-19 05:24:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2021-11-19 05:24:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2021-11-19 05:24:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure index [2021-11-19 05:24:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2021-11-19 05:24:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-11-19 05:24:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure ffsl [2021-11-19 05:24:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure ffsll [2021-11-19 05:24:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-11-19 05:24:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2021-11-19 05:24:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp_l [2021-11-19 05:24:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp_l [2021-11-19 05:24:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure explicit_bzero [2021-11-19 05:24:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2021-11-19 05:24:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2021-11-19 05:24:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2021-11-19 05:24:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2021-11-19 05:24:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2021-11-19 05:24:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2021-11-19 05:24:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-11-19 05:24:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:24:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:24:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 05:24:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 05:24:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:24:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-19 05:24:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 05:24:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-19 05:24:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 05:24:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:24:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-19 05:24:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 05:24:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 05:24:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 05:24:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 05:24:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 05:24:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 05:24:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 05:24:47,444 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:24:47,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:24:47,521 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:24:47,728 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:24:47,734 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:24:47,735 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 05:24:47,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:47 BoogieIcfgContainer [2021-11-19 05:24:47,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:24:47,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:24:47,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:24:47,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:24:47,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:24:46" (1/3) ... [2021-11-19 05:24:47,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7d90f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:47, skipping insertion in model container [2021-11-19 05:24:47,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:46" (2/3) ... [2021-11-19 05:24:47,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7d90f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:47, skipping insertion in model container [2021-11-19 05:24:47,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:47" (3/3) ... [2021-11-19 05:24:47,749 INFO L111 eAbstractionObserver]: Analyzing ICFG test-memleak_nexttime.i [2021-11-19 05:24:47,756 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:24:47,756 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-19 05:24:47,817 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:24:47,826 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:24:47,826 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-19 05:24:47,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 20 states have (on average 1.7) internal successors, (34), 32 states have internal predecessors, (34), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-19 05:24:47,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-19 05:24:47,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:47,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:47,857 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting fooErr0REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 9 more)] === [2021-11-19 05:24:47,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:47,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1703290373, now seen corresponding path program 1 times [2021-11-19 05:24:47,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:24:47,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115613705] [2021-11-19 05:24:47,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:47,877 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:24:47,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:24:47,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:24:47,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 05:24:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:48,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:24:48,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:48,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:24:48,355 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 27 treesize of output 23 [2021-11-19 05:24:48,424 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-11-19 05:24:48,425 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 4 case distinctions, treesize of input 23 treesize of output 35 [2021-11-19 05:24:48,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:48,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:24:48,577 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 28 treesize of output 24 [2021-11-19 05:24:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:58,875 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:24:58,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115613705] [2021-11-19 05:24:58,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115613705] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:58,877 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:58,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 05:24:58,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460962616] [2021-11-19 05:24:58,879 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:58,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:24:58,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:24:58,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:24:58,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=11, Unknown=5, NotChecked=0, Total=30 [2021-11-19 05:24:58,931 INFO L87 Difference]: Start difference. First operand has 42 states, 20 states have (on average 1.7) internal successors, (34), 32 states have internal predecessors, (34), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 05:24:58,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:58,969 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2021-11-19 05:24:58,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:24:58,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 8 [2021-11-19 05:24:58,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:58,984 INFO L225 Difference]: With dead ends: 42 [2021-11-19 05:24:58,984 INFO L226 Difference]: Without dead ends: 39 [2021-11-19 05:24:58,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=14, Invalid=11, Unknown=5, NotChecked=0, Total=30 [2021-11-19 05:24:58,989 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 3 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 50 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:58,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 93 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 50 Unchecked, 0.0s Time] [2021-11-19 05:24:59,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-19 05:24:59,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2021-11-19 05:24:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 19 states have (on average 1.631578947368421) internal successors, (31), 29 states have internal predecessors, (31), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:24:59,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2021-11-19 05:24:59,027 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 8 [2021-11-19 05:24:59,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:59,028 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2021-11-19 05:24:59,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 05:24:59,029 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2021-11-19 05:24:59,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-19 05:24:59,029 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:59,029 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:59,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:59,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:24:59,243 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting fooErr1REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 9 more)] === [2021-11-19 05:24:59,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:59,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1703290372, now seen corresponding path program 1 times [2021-11-19 05:24:59,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:24:59,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353402723] [2021-11-19 05:24:59,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:59,248 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:24:59,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:24:59,250 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:24:59,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 05:24:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:59,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:24:59,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:59,447 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 13 treesize of output 9 [2021-11-19 05:24:59,461 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-19 05:24:59,461 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 14 [2021-11-19 05:24:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:59,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:24:59,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:59,502 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:24:59,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [353402723] [2021-11-19 05:24:59,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [353402723] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:59,503 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:59,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 05:24:59,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163888096] [2021-11-19 05:24:59,503 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:59,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:24:59,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:24:59,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:24:59,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:24:59,506 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:24:59,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:59,549 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2021-11-19 05:24:59,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:24:59,550 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2021-11-19 05:24:59,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:59,552 INFO L225 Difference]: With dead ends: 37 [2021-11-19 05:24:59,552 INFO L226 Difference]: Without dead ends: 37 [2021-11-19 05:24:59,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:24:59,554 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 2 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:59,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 60 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:24:59,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-19 05:24:59,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-11-19 05:24:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:24:59,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2021-11-19 05:24:59,562 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 8 [2021-11-19 05:24:59,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:59,562 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2021-11-19 05:24:59,563 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:24:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2021-11-19 05:24:59,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-19 05:24:59,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:59,564 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:59,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-19 05:24:59,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:24:59,775 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting fooErr2REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 9 more)] === [2021-11-19 05:24:59,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:59,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1703290371, now seen corresponding path program 1 times [2021-11-19 05:24:59,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:24:59,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [246622686] [2021-11-19 05:24:59,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:59,777 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:24:59,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:24:59,778 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:24:59,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 05:24:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:59,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-19 05:24:59,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:59,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:24:59,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:25:00,066 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 33 treesize of output 29 [2021-11-19 05:25:00,122 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-19 05:25:00,123 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 2 case distinctions, treesize of input 29 treesize of output 41 [2021-11-19 05:25:00,140 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:25:00,141 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 38 treesize of output 38 [2021-11-19 05:25:00,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:00,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:25:00,420 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 33 treesize of output 29 [2021-11-19 05:25:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:00,875 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:25:00,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [246622686] [2021-11-19 05:25:00,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [246622686] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:00,876 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:00,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-19 05:25:00,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234161676] [2021-11-19 05:25:00,877 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:00,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:25:00,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:25:00,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:25:00,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:25:00,878 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 05:25:00,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:00,963 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2021-11-19 05:25:00,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:25:00,964 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), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 8 [2021-11-19 05:25:00,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:00,965 INFO L225 Difference]: With dead ends: 36 [2021-11-19 05:25:00,965 INFO L226 Difference]: Without dead ends: 36 [2021-11-19 05:25:00,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:25:00,967 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 1 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:00,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 73 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 24 Unchecked, 0.1s Time] [2021-11-19 05:25:00,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-11-19 05:25:00,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-11-19 05:25:00,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 27 states have internal predecessors, (29), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:25:00,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2021-11-19 05:25:00,974 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 8 [2021-11-19 05:25:00,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:00,974 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2021-11-19 05:25:00,975 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), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 05:25:00,975 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2021-11-19 05:25:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-19 05:25:00,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:00,975 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:00,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:25:01,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:25:01,188 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting fooErr3REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 9 more)] === [2021-11-19 05:25:01,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:01,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1703290370, now seen corresponding path program 1 times [2021-11-19 05:25:01,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:25:01,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465170506] [2021-11-19 05:25:01,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:01,189 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:25:01,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:25:01,190 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:25:01,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 05:25:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:01,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:25:01,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:25:01,381 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 27 treesize of output 19 [2021-11-19 05:25:01,395 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-19 05:25:01,396 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 1 case distinctions, treesize of input 19 treesize of output 20 [2021-11-19 05:25:01,401 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 21 treesize of output 19 [2021-11-19 05:25:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:01,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:25:01,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:01,500 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:25:01,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465170506] [2021-11-19 05:25:01,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465170506] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:01,501 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:01,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-19 05:25:01,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070756146] [2021-11-19 05:25:01,501 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:01,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:25:01,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:25:01,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:25:01,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:25:01,502 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:25:01,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:01,567 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2021-11-19 05:25:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:25:01,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2021-11-19 05:25:01,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:01,570 INFO L225 Difference]: With dead ends: 35 [2021-11-19 05:25:01,570 INFO L226 Difference]: Without dead ends: 35 [2021-11-19 05:25:01,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:25:01,571 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:01,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 88 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 10 Unchecked, 0.1s Time] [2021-11-19 05:25:01,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-19 05:25:01,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-11-19 05:25:01,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 26 states have internal predecessors, (28), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:25:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2021-11-19 05:25:01,578 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 8 [2021-11-19 05:25:01,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:01,578 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2021-11-19 05:25:01,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:25:01,579 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2021-11-19 05:25:01,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-19 05:25:01,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:01,580 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:01,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:25:01,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:25:01,791 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 9 more)] === [2021-11-19 05:25:01,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:01,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1050618599, now seen corresponding path program 1 times [2021-11-19 05:25:01,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:25:01,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [994333127] [2021-11-19 05:25:01,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:01,792 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:25:01,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:25:01,794 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:25:01,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 05:25:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:01,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:25:01,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:25:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:02,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:25:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:02,142 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:25:02,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [994333127] [2021-11-19 05:25:02,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [994333127] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:02,142 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:02,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 05:25:02,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534885118] [2021-11-19 05:25:02,142 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:02,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:25:02,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:25:02,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:25:02,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:25:02,145 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-19 05:25:02,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:02,235 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2021-11-19 05:25:02,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:25:02,239 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 19 [2021-11-19 05:25:02,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:02,240 INFO L225 Difference]: With dead ends: 43 [2021-11-19 05:25:02,240 INFO L226 Difference]: Without dead ends: 37 [2021-11-19 05:25:02,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:25:02,242 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 11 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:02,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 66 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:25:02,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-19 05:25:02,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-11-19 05:25:02,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 20 states have (on average 1.5) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:25:02,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2021-11-19 05:25:02,252 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 19 [2021-11-19 05:25:02,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:02,254 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2021-11-19 05:25:02,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-19 05:25:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2021-11-19 05:25:02,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-19 05:25:02,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:02,256 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:02,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:25:02,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:25:02,457 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 9 more)] === [2021-11-19 05:25:02,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:02,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1297475687, now seen corresponding path program 1 times [2021-11-19 05:25:02,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:25:02,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871567883] [2021-11-19 05:25:02,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:02,458 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:25:02,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:25:02,459 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:25:02,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 05:25:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:02,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 05:25:02,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:25:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:02,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:25:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:02,899 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:25:02,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [871567883] [2021-11-19 05:25:02,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [871567883] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:25:02,900 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:25:02,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-19 05:25:02,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65369920] [2021-11-19 05:25:02,900 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:25:02,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 05:25:02,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:25:02,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 05:25:02,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:25:02,903 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-19 05:25:03,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:03,076 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2021-11-19 05:25:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:25:03,078 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 21 [2021-11-19 05:25:03,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:03,079 INFO L225 Difference]: With dead ends: 45 [2021-11-19 05:25:03,079 INFO L226 Difference]: Without dead ends: 39 [2021-11-19 05:25:03,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-19 05:25:03,080 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 27 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:03,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 157 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 05:25:03,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-19 05:25:03,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-11-19 05:25:03,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 30 states have internal predecessors, (32), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:25:03,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2021-11-19 05:25:03,086 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 21 [2021-11-19 05:25:03,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:03,086 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2021-11-19 05:25:03,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-19 05:25:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2021-11-19 05:25:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-19 05:25:03,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:03,087 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:03,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:25:03,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:25:03,288 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 9 more)] === [2021-11-19 05:25:03,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:03,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1991031321, now seen corresponding path program 2 times [2021-11-19 05:25:03,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:25:03,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719151111] [2021-11-19 05:25:03,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:25:03,289 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:25:03,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:25:03,290 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:25:03,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 05:25:03,434 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-19 05:25:03,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:25:03,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:25:03,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:25:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-19 05:25:03,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:25:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-19 05:25:03,615 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:25:03,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719151111] [2021-11-19 05:25:03,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1719151111] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:03,615 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:03,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 05:25:03,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711346300] [2021-11-19 05:25:03,616 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:03,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:25:03,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:25:03,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:25:03,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:25:03,617 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-19 05:25:03,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:03,687 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2021-11-19 05:25:03,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:25:03,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 23 [2021-11-19 05:25:03,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:03,690 INFO L225 Difference]: With dead ends: 42 [2021-11-19 05:25:03,690 INFO L226 Difference]: Without dead ends: 40 [2021-11-19 05:25:03,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:25:03,691 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 2 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:03,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 129 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:25:03,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-19 05:25:03,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-11-19 05:25:03,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 23 states have (on average 1.434782608695652) internal successors, (33), 31 states have internal predecessors, (33), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:25:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2021-11-19 05:25:03,702 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 23 [2021-11-19 05:25:03,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:03,702 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2021-11-19 05:25:03,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-19 05:25:03,703 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2021-11-19 05:25:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 05:25:03,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:03,704 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:03,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:25:03,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:25:03,921 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 9 more)] === [2021-11-19 05:25:03,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:03,921 INFO L85 PathProgramCache]: Analyzing trace with hash -826247057, now seen corresponding path program 1 times [2021-11-19 05:25:03,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:25:03,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985950031] [2021-11-19 05:25:03,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:03,922 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:25:03,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:25:03,923 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:25:03,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 05:25:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:04,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:25:04,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:25:04,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:25:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-19 05:25:04,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:25:04,224 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-19 05:25:04,225 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:25:04,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985950031] [2021-11-19 05:25:04,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [985950031] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:04,225 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:04,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 05:25:04,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452753898] [2021-11-19 05:25:04,226 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:04,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:25:04,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:25:04,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:25:04,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:25:04,227 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 05:25:04,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:04,277 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2021-11-19 05:25:04,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:25:04,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-11-19 05:25:04,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:04,279 INFO L225 Difference]: With dead ends: 38 [2021-11-19 05:25:04,279 INFO L226 Difference]: Without dead ends: 38 [2021-11-19 05:25:04,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:25:04,280 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 11 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:04,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 44 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:25:04,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-19 05:25:04,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-11-19 05:25:04,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 29 states have internal predecessors, (31), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:25:04,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2021-11-19 05:25:04,285 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 24 [2021-11-19 05:25:04,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:04,286 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2021-11-19 05:25:04,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 05:25:04,286 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2021-11-19 05:25:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 05:25:04,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:04,287 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:04,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 05:25:04,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:25:04,499 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr1REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 9 more)] === [2021-11-19 05:25:04,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:04,500 INFO L85 PathProgramCache]: Analyzing trace with hash -826247056, now seen corresponding path program 1 times [2021-11-19 05:25:04,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:25:04,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432187940] [2021-11-19 05:25:04,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:04,500 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:25:04,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:25:04,501 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:25:04,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 05:25:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:04,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 05:25:04,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:25:04,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:25:04,750 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 7 treesize of output 5 [2021-11-19 05:25:04,866 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-11-19 05:25:04,867 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 22 treesize of output 31 [2021-11-19 05:25:05,078 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:25:05,079 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 45 treesize of output 45 [2021-11-19 05:25:05,188 INFO L354 Elim1Store]: treesize reduction 26, result has 44.7 percent of original size [2021-11-19 05:25:05,188 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 3 case distinctions, treesize of input 37 treesize of output 52 [2021-11-19 05:25:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-19 05:25:05,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:25:05,424 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 [2021-11-19 05:25:07,527 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 23 treesize of output 19 [2021-11-19 05:25:07,587 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 11 treesize of output 9 [2021-11-19 05:25:07,812 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-11-19 05:25:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-19 05:25:07,867 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:25:07,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432187940] [2021-11-19 05:25:07,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432187940] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:07,867 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:07,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 6] imperfect sequences [] total 12 [2021-11-19 05:25:07,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164717761] [2021-11-19 05:25:07,868 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:07,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 05:25:07,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:25:07,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 05:25:07,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=115, Unknown=1, NotChecked=0, Total=156 [2021-11-19 05:25:07,871 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 13 states, 10 states have (on average 2.5) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-19 05:25:12,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:12,054 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2021-11-19 05:25:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:25:12,054 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 2.5) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 24 [2021-11-19 05:25:12,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:12,055 INFO L225 Difference]: With dead ends: 38 [2021-11-19 05:25:12,055 INFO L226 Difference]: Without dead ends: 38 [2021-11-19 05:25:12,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 7 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=62, Invalid=177, Unknown=1, NotChecked=0, Total=240 [2021-11-19 05:25:12,056 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 31 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 48 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:12,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 67 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 62 Invalid, 0 Unknown, 48 Unchecked, 0.1s Time] [2021-11-19 05:25:12,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-19 05:25:12,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2021-11-19 05:25:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:25:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2021-11-19 05:25:12,061 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 24 [2021-11-19 05:25:12,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:12,061 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2021-11-19 05:25:12,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 2.5) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-19 05:25:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2021-11-19 05:25:12,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 05:25:12,062 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:12,062 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:12,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 05:25:12,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:25:12,278 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr2REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 9 more)] === [2021-11-19 05:25:12,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:12,279 INFO L85 PathProgramCache]: Analyzing trace with hash -826247055, now seen corresponding path program 1 times [2021-11-19 05:25:12,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:25:12,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7214066] [2021-11-19 05:25:12,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:12,279 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:25:12,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:25:12,281 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:25:12,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 05:25:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:12,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:25:12,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:25:12,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:25:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-19 05:25:12,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:25:12,608 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-19 05:25:12,609 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:25:12,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7214066] [2021-11-19 05:25:12,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7214066] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:12,609 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:12,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-19 05:25:12,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035576999] [2021-11-19 05:25:12,610 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:12,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:25:12,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:25:12,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:25:12,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:25:12,611 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 05:25:12,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:12,682 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2021-11-19 05:25:12,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:25:12,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-11-19 05:25:12,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:12,683 INFO L225 Difference]: With dead ends: 35 [2021-11-19 05:25:12,684 INFO L226 Difference]: Without dead ends: 35 [2021-11-19 05:25:12,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:25:12,684 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 8 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:12,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 63 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:25:12,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-19 05:25:12,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-11-19 05:25:12,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 26 states have internal predecessors, (28), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:25:12,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2021-11-19 05:25:12,688 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 24 [2021-11-19 05:25:12,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:12,688 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2021-11-19 05:25:12,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 05:25:12,689 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2021-11-19 05:25:12,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 05:25:12,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:12,690 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:12,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 05:25:12,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:25:12,890 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr3REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 9 more)] === [2021-11-19 05:25:12,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:12,891 INFO L85 PathProgramCache]: Analyzing trace with hash -826247054, now seen corresponding path program 1 times [2021-11-19 05:25:12,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:25:12,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373212762] [2021-11-19 05:25:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:12,891 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:25:12,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:25:12,892 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:25:12,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 05:25:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:13,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 05:25:13,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:25:13,111 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 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:25:13,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:25:13,188 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 5 treesize of output 3 [2021-11-19 05:25:13,193 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 9 treesize of output 7 [2021-11-19 05:25:13,218 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 19 treesize of output 15 [2021-11-19 05:25:13,275 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-19 05:25:13,275 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 1 case distinctions, treesize of input 16 treesize of output 21 [2021-11-19 05:25:13,279 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 21 treesize of output 19 [2021-11-19 05:25:13,517 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-19 05:25:13,521 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 2 case distinctions, treesize of input 28 treesize of output 40 [2021-11-19 05:25:13,534 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:25:13,534 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 37 treesize of output 37 [2021-11-19 05:25:13,816 INFO L354 Elim1Store]: treesize reduction 38, result has 53.7 percent of original size [2021-11-19 05:25:13,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 70 [2021-11-19 05:25:14,549 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-19 05:25:14,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:25:14,751 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 33 treesize of output 29 [2021-11-19 05:25:28,637 WARN L227 SmtUtils]: Spent 7.01s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 05:25:28,955 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 33 treesize of output 29 [2021-11-19 05:25:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-19 05:25:33,674 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:25:33,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373212762] [2021-11-19 05:25:33,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1373212762] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:33,675 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:33,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2021-11-19 05:25:33,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536020455] [2021-11-19 05:25:33,675 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:33,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 05:25:33,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:25:33,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 05:25:33,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=101, Unknown=5, NotChecked=0, Total=156 [2021-11-19 05:25:33,677 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 13 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 9 states have internal predecessors, (28), 5 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-11-19 05:25:33,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:33,684 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2021-11-19 05:25:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:25:33,685 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 9 states have internal predecessors, (28), 5 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 24 [2021-11-19 05:25:33,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:33,686 INFO L225 Difference]: With dead ends: 45 [2021-11-19 05:25:33,686 INFO L226 Difference]: Without dead ends: 45 [2021-11-19 05:25:33,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=50, Invalid=101, Unknown=5, NotChecked=0, Total=156 [2021-11-19 05:25:33,687 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 8 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:33,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 76 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 35 Unchecked, 0.0s Time] [2021-11-19 05:25:33,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-19 05:25:33,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-19 05:25:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.21875) internal successors, (39), 35 states have internal predecessors, (39), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:25:33,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2021-11-19 05:25:33,693 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 24 [2021-11-19 05:25:33,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:33,693 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2021-11-19 05:25:33,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 9 states have internal predecessors, (28), 5 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-11-19 05:25:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2021-11-19 05:25:33,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 05:25:33,695 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:33,695 INFO L514 BasicCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:33,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 05:25:33,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:25:33,907 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr6ASSERT_VIOLATIONMEMORY_FREE === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 9 more)] === [2021-11-19 05:25:33,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:33,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1448622587, now seen corresponding path program 1 times [2021-11-19 05:25:33,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:25:33,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139365236] [2021-11-19 05:25:33,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:33,909 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:25:33,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:25:33,910 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:25:33,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 05:25:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:34,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-19 05:25:34,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:25:34,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:25:34,350 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 7 treesize of output 5 [2021-11-19 05:26:23,681 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-11-19 05:26:23,682 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 84 treesize of output 93 [2021-11-19 05:26:25,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:26:26,309 INFO L354 Elim1Store]: treesize reduction 935, result has 22.1 percent of original size [2021-11-19 05:26:26,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 3294 treesize of output 1910 [2021-11-19 05:26:26,449 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:26:26,450 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 1959 treesize of output 1959 [2021-11-19 05:26:44,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 11 treesize of output 7 [2021-11-19 05:26:44,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 11 treesize of output 7 [2021-11-19 05:26:44,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 11 treesize of output 7 [2021-11-19 05:26:44,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 30 treesize of output 18 [2021-11-19 05:26:46,574 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-11-19 05:26:46,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 49 [2021-11-19 05:26:46,764 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-19 05:26:46,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2021-11-19 05:29:51,826 INFO L354 Elim1Store]: treesize reduction 1835, result has 18.8 percent of original size [2021-11-19 05:29:51,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 31 case distinctions, treesize of input 13637 treesize of output 6851 [2021-11-19 05:30:01,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 11 treesize of output 7 [2021-11-19 05:30:01,059 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 56 treesize of output 36 [2021-11-19 05:30:01,066 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 45 treesize of output 29 [2021-11-19 05:30:01,078 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 26 treesize of output 22 [2021-11-19 05:30:01,368 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-19 05:30:01,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 14 [2021-11-19 05:30:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 9 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 05:30:01,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:30:38,804 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c_~#a~0.base| |c_#Ultimate.C_memcpy_src.base|)) (= (select (store (select |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base|) (bvadd |c_#Ultimate.C_memcpy_#t~loopctr10| |c_#Ultimate.C_memcpy_dest.offset|) (select (select |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_src.base|) (bvadd |c_#Ultimate.C_memcpy_#t~loopctr10| |c_#Ultimate.C_memcpy_src.offset|))) |c_#Ultimate.C_memcpy_dest.offset|) (_ bv0 32)) (exists ((|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32))) (not (= (select (select (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memcpy_dest.base| (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memcpy_dest.base|) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_122|) v_DerPreprocessor_10) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_120|) v_DerPreprocessor_9) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_123|) v_DerPreprocessor_11) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_121|) v_DerPreprocessor_12)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) (not (= |c_~#a~0.offset| |c_#Ultimate.C_memcpy_src.offset|))) is different from true [2021-11-19 05:31:10,038 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c_~#a~0.base| |c_#Ultimate.C_memcpy_src.base|)) (exists ((|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32))) (not (= (select (select (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memcpy_dest.base| (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memcpy_dest.base|) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_122|) v_DerPreprocessor_10) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_120|) v_DerPreprocessor_9) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_123|) v_DerPreprocessor_11) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_121|) v_DerPreprocessor_12)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) (forall ((v_DerPreprocessor_13 (_ BitVec 32)) (|#Ultimate.C_memcpy_#t~loopctr8| (_ BitVec 32))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| (store (select |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base|) (bvadd |#Ultimate.C_memcpy_#t~loopctr8| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_13)) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|) (_ bv0 32))) (not (= |c_~#a~0.offset| |c_#Ultimate.C_memcpy_src.offset|))) is different from true [2021-11-19 05:31:12,146 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c_~#a~0.base| |c_#Ultimate.C_memcpy_src.base|)) (exists ((|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32))) (not (= (select (select (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memcpy_dest.base| (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memcpy_dest.base|) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_122|) v_DerPreprocessor_10) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_120|) v_DerPreprocessor_9) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_123|) v_DerPreprocessor_11) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_121|) v_DerPreprocessor_12)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) (not (= |c_~#a~0.offset| |c_#Ultimate.C_memcpy_src.offset|)) (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_127| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (|#Ultimate.C_memcpy_#t~loopctr8| (_ BitVec 32))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| (store (store (select |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base|) (bvadd |#Ultimate.C_memcpy_#t~loopctr8| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_14) (bvadd |v_#Ultimate.C_memcpy_#t~loopctr8_127| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_13)) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|) (_ bv0 32)))) is different from true [2021-11-19 05:31:14,242 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c_~#a~0.base| |c_#Ultimate.C_memcpy_src.base|)) (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_129| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_127| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (|#Ultimate.C_memcpy_#t~loopctr8| (_ BitVec 32))) (= (_ bv0 32) (select (select (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| (store (store (store (select |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base|) (bvadd |#Ultimate.C_memcpy_#t~loopctr8| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_15) (bvadd |v_#Ultimate.C_memcpy_#t~loopctr8_129| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_14) (bvadd |v_#Ultimate.C_memcpy_#t~loopctr8_127| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_13)) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|))) (exists ((|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32))) (not (= (select (select (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memcpy_dest.base| (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memcpy_dest.base|) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_122|) v_DerPreprocessor_10) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_120|) v_DerPreprocessor_9) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_123|) v_DerPreprocessor_11) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_121|) v_DerPreprocessor_12)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) (not (= |c_~#a~0.offset| |c_#Ultimate.C_memcpy_src.offset|))) is different from true [2021-11-19 05:31:16,340 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c_~#a~0.base| |c_#Ultimate.C_memcpy_src.base|)) (exists ((|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32))) (not (= (select (select (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memcpy_dest.base| (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memcpy_dest.base|) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_122|) v_DerPreprocessor_10) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_120|) v_DerPreprocessor_9) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_123|) v_DerPreprocessor_11) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_121|) v_DerPreprocessor_12)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) (not (= |c_~#a~0.offset| |c_#Ultimate.C_memcpy_src.offset|)) (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_131| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_129| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_127| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (|#Ultimate.C_memcpy_#t~loopctr8| (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base|) (bvadd |#Ultimate.C_memcpy_#t~loopctr8| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_16) (bvadd |v_#Ultimate.C_memcpy_#t~loopctr8_131| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_15) (bvadd |v_#Ultimate.C_memcpy_#t~loopctr8_129| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_14) (bvadd |v_#Ultimate.C_memcpy_#t~loopctr8_127| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_13)) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|) (_ bv0 32)))) is different from true [2021-11-19 05:31:18,517 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_main_~#p~1.base_19|))) (= (select (select (store |c_#memory_$Pointer$.offset| |v_main_~#p~1.base_19| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-11-19 05:31:27,364 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:31:27,364 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 172 treesize of output 176 [2021-11-19 05:31:33,353 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_19 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_src.base_40| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_154| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_152| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_153| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32))) (or (and (not (= |v_main_~#p~1.base_19| |v_#Ultimate.C_memcpy_src.base_40|)) (= |c_~#a~0.base| |v_main_~#p~1.base_19|)) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_~#a~0.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_20) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_152|) v_DerPreprocessor_19) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_153|) v_DerPreprocessor_18) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_154|) v_DerPreprocessor_17))) (store .cse1 |c_~#a~0.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_~#a~0.base| .cse1) |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32))))))) (store .cse0 |v_main_~#p~1.base_19| (store (store (store (store (select .cse0 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 32) (select (select |c_#memory_$Pointer$.offset| |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32)))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_#Ultimate.C_memcpy_src.base_40|)))))))) is different from false [2021-11-19 05:32:44,161 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_DerPreprocessor_19 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_src.base_40| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_154| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_152| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_153| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32))) (and (not (= (select (select (let ((.cse0 (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| (let ((.cse1 (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_20) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_152|) v_DerPreprocessor_19) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_153|) v_DerPreprocessor_18) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_154|) v_DerPreprocessor_17))) (store .cse1 |c_~#a~0.offset| (select (select (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| .cse1) |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32))))))) (store .cse0 |v_main_~#p~1.base_19| (store (store (store (store (select .cse0 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))) (or (= |v_main_~#p~1.base_19| |v_#Ultimate.C_memcpy_src.base_40|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (= (select (select |c_old(#memory_$Pointer$.offset)| |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32)) (_ bv0 32)) (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_#Ultimate.C_memcpy_src.base_40|))))))) (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32))) (or (= (select (select (store |c_#memory_$Pointer$.offset| |v_main_~#p~1.base_19| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_foo_~#p~0.base| (_ bv0 1)) |v_main_~#p~1.base_19|)))))) is different from true [2021-11-19 05:32:49,951 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:32:49,952 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 156 treesize of output 160 [2021-11-19 05:32:54,387 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_DerPreprocessor_19 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_src.base_40| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_154| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_152| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_153| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32))) (and (not (= (select (select (let ((.cse0 (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| (let ((.cse1 (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_20) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_152|) v_DerPreprocessor_19) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_153|) v_DerPreprocessor_18) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_154|) v_DerPreprocessor_17))) (store .cse1 |c_~#a~0.offset| (select (select (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| .cse1) |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32))))))) (store .cse0 |v_main_~#p~1.base_19| (store (store (store (store (select .cse0 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))) (or (= |v_main_~#p~1.base_19| |v_#Ultimate.C_memcpy_src.base_40|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (= (select (select |c_old(#memory_$Pointer$.offset)| |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32)) (_ bv0 32)) (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_#Ultimate.C_memcpy_src.base_40|))))))) (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_165| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_166| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_164| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32))) (or (= (select (select (let ((.cse2 (store |c_#memory_$Pointer$.offset| |c_~#a~0.base| (let ((.cse3 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_24) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_165|) v_DerPreprocessor_23) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_164|) v_DerPreprocessor_22) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_166|) v_DerPreprocessor_21))) (store .cse3 |c_~#a~0.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_~#a~0.base| .cse3) |c_foo_~#p~0.base|) |c_foo_~#p~0.offset|)))))) (store .cse2 |v_main_~#p~1.base_19| (store (store (store (store (select .cse2 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (and (not (= |v_main_~#p~1.base_19| |c_foo_~#p~0.base|)) (= |c_~#a~0.base| |v_main_~#p~1.base_19|))))) is different from true [2021-11-19 05:32:58,720 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |c_#Ultimate.C_memcpy_src.base| (_ bv0 1)) |v_main_~#p~1.base_19|))) (= (select (select (store |c_#memory_$Pointer$.offset| |v_main_~#p~1.base_19| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) (not (= |c_~#a~0.base| |c_#Ultimate.C_memcpy_dest.base|)) (exists ((|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_165| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_166| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_164| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32))) (and (or (= |v_main_~#p~1.base_19| |c_#Ultimate.C_memcpy_src.base|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (not (= (select (select (let ((.cse0 (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| (let ((.cse1 (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_24) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_165|) v_DerPreprocessor_23) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_164|) v_DerPreprocessor_22) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_166|) v_DerPreprocessor_21))) (store .cse1 |c_~#a~0.offset| (select (select (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| .cse1) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_main_~#p~1.base_19| (store (store (store (store (select .cse0 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))) (not (= |c_#Ultimate.C_memcpy_dest.offset| |c_~#a~0.offset|)) (forall ((|v_old(#valid)_BEFORE_CALL_6| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))))) (exists ((v_DerPreprocessor_19 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_src.base_40| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_154| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_152| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_153| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_6| |v_#Ultimate.C_memcpy_src.base_40|)))))) (= (select (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32)) (_ bv0 32)) (or (= |v_main_~#p~1.base_19| |v_#Ultimate.C_memcpy_src.base_40|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (not (= (select (select (let ((.cse2 (store |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base| (let ((.cse3 (store (store (store (store (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_20) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_152|) v_DerPreprocessor_19) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_153|) v_DerPreprocessor_18) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_154|) v_DerPreprocessor_17))) (store .cse3 |c_~#a~0.offset| (select (select (store |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base| .cse3) |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32))))))) (store .cse2 |v_main_~#p~1.base_19| (store (store (store (store (select .cse2 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))))) is different from true [2021-11-19 05:34:21,645 WARN L227 SmtUtils]: Spent 20.55s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 05:34:26,069 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |c_#Ultimate.C_memcpy_src.base| (_ bv0 1)) |v_main_~#p~1.base_19|))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| (store (select |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base|) |c_#Ultimate.C_memcpy_dest.offset| (select (select |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|))))) (store .cse0 |v_main_~#p~1.base_19| (store (store (store (store (select .cse0 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) (not (= |c_~#a~0.base| |c_#Ultimate.C_memcpy_dest.base|)) (exists ((|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_165| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_166| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_164| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32))) (and (or (= |v_main_~#p~1.base_19| |c_#Ultimate.C_memcpy_src.base|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (not (= (select (select (let ((.cse1 (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| (let ((.cse2 (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_24) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_165|) v_DerPreprocessor_23) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_164|) v_DerPreprocessor_22) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_166|) v_DerPreprocessor_21))) (store .cse2 |c_~#a~0.offset| (select (select (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| .cse2) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|)))))) (store .cse1 |v_main_~#p~1.base_19| (store (store (store (store (select .cse1 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))) (not (= |c_#Ultimate.C_memcpy_dest.offset| |c_~#a~0.offset|)) (forall ((|v_old(#valid)_BEFORE_CALL_6| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))))) (exists ((v_DerPreprocessor_19 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_src.base_40| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_154| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_152| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_153| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_6| |v_#Ultimate.C_memcpy_src.base_40|)))))) (= (select (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32)) (_ bv0 32)) (or (= |v_main_~#p~1.base_19| |v_#Ultimate.C_memcpy_src.base_40|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (not (= (select (select (let ((.cse3 (store |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base| (let ((.cse4 (store (store (store (store (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_20) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_152|) v_DerPreprocessor_19) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_153|) v_DerPreprocessor_18) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_154|) v_DerPreprocessor_17))) (store .cse4 |c_~#a~0.offset| (select (select (store |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base| .cse4) |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32))))))) (store .cse3 |v_main_~#p~1.base_19| (store (store (store (store (select .cse3 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))))) is different from true [2021-11-19 05:34:30,760 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|#Ultimate.C_memcpy_#t~loopctr8| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |c_#Ultimate.C_memcpy_src.base| (_ bv0 1)) |v_main_~#p~1.base_19|))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (select |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base|) (bvadd |#Ultimate.C_memcpy_#t~loopctr8| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_25))) (store .cse1 |c_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| .cse1) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_main_~#p~1.base_19| (store (store (store (store (select .cse0 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) (not (= |c_~#a~0.base| |c_#Ultimate.C_memcpy_dest.base|)) (exists ((|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_165| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_166| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_164| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32))) (and (or (= |v_main_~#p~1.base_19| |c_#Ultimate.C_memcpy_src.base|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (not (= (select (select (let ((.cse2 (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| (let ((.cse3 (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_24) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_165|) v_DerPreprocessor_23) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_164|) v_DerPreprocessor_22) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_166|) v_DerPreprocessor_21))) (store .cse3 |c_~#a~0.offset| (select (select (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| .cse3) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|)))))) (store .cse2 |v_main_~#p~1.base_19| (store (store (store (store (select .cse2 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))) (not (= |c_#Ultimate.C_memcpy_dest.offset| |c_~#a~0.offset|)) (forall ((|v_old(#valid)_BEFORE_CALL_6| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))))) (exists ((v_DerPreprocessor_19 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_src.base_40| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_154| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_152| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_153| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_6| |v_#Ultimate.C_memcpy_src.base_40|)))))) (= (select (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32)) (_ bv0 32)) (or (= |v_main_~#p~1.base_19| |v_#Ultimate.C_memcpy_src.base_40|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (not (= (select (select (let ((.cse4 (store |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base| (let ((.cse5 (store (store (store (store (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_20) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_152|) v_DerPreprocessor_19) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_153|) v_DerPreprocessor_18) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_154|) v_DerPreprocessor_17))) (store .cse5 |c_~#a~0.offset| (select (select (store |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base| .cse5) |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32))))))) (store .cse4 |v_main_~#p~1.base_19| (store (store (store (store (select .cse4 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))))) is different from true [2021-11-19 05:34:35,425 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c_~#a~0.base| |c_#Ultimate.C_memcpy_dest.base|)) (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|#Ultimate.C_memcpy_#t~loopctr8| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_170| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |c_#Ultimate.C_memcpy_src.base| (_ bv0 1)) |v_main_~#p~1.base_19|))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (select |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base|) (bvadd |#Ultimate.C_memcpy_#t~loopctr8| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_26) (bvadd |v_#Ultimate.C_memcpy_#t~loopctr8_170| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_25))) (store .cse1 |c_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| .cse1) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_main_~#p~1.base_19| (store (store (store (store (select .cse0 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) (exists ((|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_165| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_166| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_164| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32))) (and (or (= |v_main_~#p~1.base_19| |c_#Ultimate.C_memcpy_src.base|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (not (= (select (select (let ((.cse2 (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| (let ((.cse3 (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_24) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_165|) v_DerPreprocessor_23) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_164|) v_DerPreprocessor_22) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_166|) v_DerPreprocessor_21))) (store .cse3 |c_~#a~0.offset| (select (select (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| .cse3) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|)))))) (store .cse2 |v_main_~#p~1.base_19| (store (store (store (store (select .cse2 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))) (not (= |c_#Ultimate.C_memcpy_dest.offset| |c_~#a~0.offset|)) (forall ((|v_old(#valid)_BEFORE_CALL_6| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))))) (exists ((v_DerPreprocessor_19 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_src.base_40| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_154| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_152| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_153| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_6| |v_#Ultimate.C_memcpy_src.base_40|)))))) (= (select (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32)) (_ bv0 32)) (or (= |v_main_~#p~1.base_19| |v_#Ultimate.C_memcpy_src.base_40|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (not (= (select (select (let ((.cse4 (store |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base| (let ((.cse5 (store (store (store (store (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_20) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_152|) v_DerPreprocessor_19) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_153|) v_DerPreprocessor_18) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_154|) v_DerPreprocessor_17))) (store .cse5 |c_~#a~0.offset| (select (select (store |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base| .cse5) |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32))))))) (store .cse4 |v_main_~#p~1.base_19| (store (store (store (store (select .cse4 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))))) is different from true [2021-11-19 05:35:32,105 WARN L227 SmtUtils]: Spent 21.83s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 05:36:57,258 WARN L227 SmtUtils]: Spent 22.18s on a formula simplification that was a NOOP. DAG size: 145 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 05:37:01,945 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_174| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_172| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_170| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_28 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |c_#Ultimate.C_memcpy_src.base| (_ bv0 1)) |v_main_~#p~1.base_19|))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base|) |c_#Ultimate.C_memcpy_dest.offset| v_DerPreprocessor_28) (bvadd |v_#Ultimate.C_memcpy_#t~loopctr8_174| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_27) (bvadd |v_#Ultimate.C_memcpy_#t~loopctr8_172| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_26) (bvadd |v_#Ultimate.C_memcpy_#t~loopctr8_170| |c_#Ultimate.C_memcpy_dest.offset|) v_DerPreprocessor_25))) (store .cse1 |c_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| .cse1) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_main_~#p~1.base_19| (store (store (store (store (select .cse0 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) (not (= |c_~#a~0.base| |c_#Ultimate.C_memcpy_dest.base|)) (exists ((|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_165| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_166| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_164| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32))) (and (or (= |v_main_~#p~1.base_19| |c_#Ultimate.C_memcpy_src.base|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (not (= (select (select (let ((.cse2 (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| (let ((.cse3 (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_24) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_165|) v_DerPreprocessor_23) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_164|) v_DerPreprocessor_22) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_166|) v_DerPreprocessor_21))) (store .cse3 |c_~#a~0.offset| (select (select (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| .cse3) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|)))))) (store .cse2 |v_main_~#p~1.base_19| (store (store (store (store (select .cse2 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))) (not (= |c_#Ultimate.C_memcpy_dest.offset| |c_~#a~0.offset|)) (forall ((|v_old(#valid)_BEFORE_CALL_6| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))))) (exists ((v_DerPreprocessor_19 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_src.base_40| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_154| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_152| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_153| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_6| |v_#Ultimate.C_memcpy_src.base_40|)))))) (= (select (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32)) (_ bv0 32)) (or (= |v_main_~#p~1.base_19| |v_#Ultimate.C_memcpy_src.base_40|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (not (= (select (select (let ((.cse4 (store |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base| (let ((.cse5 (store (store (store (store (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_20) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_152|) v_DerPreprocessor_19) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_153|) v_DerPreprocessor_18) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_154|) v_DerPreprocessor_17))) (store .cse5 |c_~#a~0.offset| (select (select (store |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base| .cse5) |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32))))))) (store .cse4 |v_main_~#p~1.base_19| (store (store (store (store (select .cse4 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))))) is different from true [2021-11-19 05:37:02,354 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:37:02,355 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 155 treesize of output 159 [2021-11-19 05:37:09,811 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c_~#a~0.base| |c_#Ultimate.C_memcpy_dest.base|)) (exists ((|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_165| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_166| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_164| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32))) (and (or (= |v_main_~#p~1.base_19| |c_#Ultimate.C_memcpy_src.base|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (not (= (select (select (let ((.cse0 (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| (let ((.cse1 (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_24) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_165|) v_DerPreprocessor_23) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_164|) v_DerPreprocessor_22) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_166|) v_DerPreprocessor_21))) (store .cse1 |c_~#a~0.offset| (select (select (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| .cse1) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_main_~#p~1.base_19| (store (store (store (store (select .cse0 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))) (not (= |c_#Ultimate.C_memcpy_dest.offset| |c_~#a~0.offset|)) (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_174| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_172| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_170| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_28 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (or (and (not (= |v_main_~#p~1.base_19| |c_#Ultimate.C_memcpy_src.base|)) (= |v_main_~#p~1.base_19| |c_#Ultimate.C_memcpy_dest.base|)) (= (select (select (let ((.cse2 (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| (let ((.cse3 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base|) |c_#Ultimate.C_memcpy_dest.offset| v_DerPreprocessor_28) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_174|) v_DerPreprocessor_27) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_172|) v_DerPreprocessor_26) (bvadd |c_#Ultimate.C_memcpy_dest.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_170|) v_DerPreprocessor_25))) (store .cse3 |c_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_#Ultimate.C_memcpy_dest.base| .cse3) |c_#Ultimate.C_memcpy_src.base|) |c_#Ultimate.C_memcpy_src.offset|)))))) (store .cse2 |v_main_~#p~1.base_19| (store (store (store (store (select .cse2 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) (forall ((|v_old(#valid)_BEFORE_CALL_6| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))))) (exists ((v_DerPreprocessor_19 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_src.base_40| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_154| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_152| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_153| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_6| |v_#Ultimate.C_memcpy_src.base_40|)))))) (= (select (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32)) (_ bv0 32)) (or (= |v_main_~#p~1.base_19| |v_#Ultimate.C_memcpy_src.base_40|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (not (= (select (select (let ((.cse4 (store |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base| (let ((.cse5 (store (store (store (store (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_20) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_152|) v_DerPreprocessor_19) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_153|) v_DerPreprocessor_18) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_154|) v_DerPreprocessor_17))) (store .cse5 |c_~#a~0.offset| (select (select (store |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2| |c_~#a~0.base| .cse5) |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32))))))) (store .cse4 |v_main_~#p~1.base_19| (store (store (store (store (select .cse4 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))))) is different from true [2021-11-19 05:37:16,356 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_DerPreprocessor_19 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_src.base_40| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_154| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_152| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_153| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32))) (and (not (= (select (select (let ((.cse0 (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| (let ((.cse1 (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_20) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_152|) v_DerPreprocessor_19) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_153|) v_DerPreprocessor_18) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_154|) v_DerPreprocessor_17))) (store .cse1 |c_~#a~0.offset| (select (select (store |c_old(#memory_$Pointer$.offset)| |c_~#a~0.base| .cse1) |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32))))))) (store .cse0 |v_main_~#p~1.base_19| (store (store (store (store (select .cse0 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))) (or (= |v_main_~#p~1.base_19| |v_#Ultimate.C_memcpy_src.base_40|) (not (= |c_~#a~0.base| |v_main_~#p~1.base_19|))) (= (select (select |c_old(#memory_$Pointer$.offset)| |v_#Ultimate.C_memcpy_src.base_40|) (_ bv0 32)) (_ bv0 32)) (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_#Ultimate.C_memcpy_src.base_40|))))))) (forall ((|v_#Ultimate.C_memcpy_#t~loopctr8_123| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_165| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_121| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_166| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_122| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_164| (_ BitVec 32)) (|v_#Ultimate.C_memcpy_#t~loopctr8_120| (_ BitVec 32)) (|v_main_~#p~1.base_19| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|v_foo_~#p~0.base_60| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_foo_~#p~0.base_60|))) (not (= (select (select |c_#memory_$Pointer$.offset| |v_foo_~#p~0.base_60|) (_ bv0 32)) (_ bv0 32))) (= (select (select (let ((.cse2 (store |c_#memory_$Pointer$.offset| |c_~#a~0.base| (let ((.cse3 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_~#a~0.base|) |c_~#a~0.offset| v_DerPreprocessor_24) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_165|) v_DerPreprocessor_23) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_164|) v_DerPreprocessor_22) (bvadd |c_~#a~0.offset| |v_#Ultimate.C_memcpy_#t~loopctr8_166|) v_DerPreprocessor_21))) (store .cse3 |c_~#a~0.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_~#a~0.base| .cse3) |v_foo_~#p~0.base_60|) (_ bv0 32))))))) (store .cse2 |v_main_~#p~1.base_19| (store (store (store (store (select .cse2 |v_main_~#p~1.base_19|) |v_#Ultimate.C_memcpy_#t~loopctr8_122| v_DerPreprocessor_10) |v_#Ultimate.C_memcpy_#t~loopctr8_120| v_DerPreprocessor_9) |v_#Ultimate.C_memcpy_#t~loopctr8_123| v_DerPreprocessor_11) |v_#Ultimate.C_memcpy_#t~loopctr8_121| v_DerPreprocessor_12))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (and (not (= |v_main_~#p~1.base_19| |v_foo_~#p~0.base_60|)) (= |c_~#a~0.base| |v_main_~#p~1.base_19|))))) is different from true [2021-11-19 05:37:16,381 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 2238 treesize of output 2218 [2021-11-19 05:37:16,526 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:37:16,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139365236] [2021-11-19 05:37:16,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-19 05:37:16,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1471664331] [2021-11-19 05:37:16,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:16,529 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 05:37:16,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/cvc4 [2021-11-19 05:37:16,553 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 05:37:16,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b26de-6b32-42a2-af8c-8419a91a2679/bin/uautomizer-ZXIjhQolGL/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-19 05:37:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:17,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-19 05:37:17,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:37:17,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:37:17,648 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 7 treesize of output 5