./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:05:39,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:05:39,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:05:39,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:05:39,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:05:39,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:05:39,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:05:39,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:05:39,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:05:39,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:05:39,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:05:39,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:05:39,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:05:39,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:05:39,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:05:39,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:05:39,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:05:39,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:05:39,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:05:39,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:05:39,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:05:39,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:05:39,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:05:39,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:05:39,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:05:39,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:05:39,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:05:39,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:05:39,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:05:39,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:05:39,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:05:39,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:05:39,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:05:39,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:05:39,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:05:39,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:05:39,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:05:39,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:05:39,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:05:39,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:05:39,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:05:39,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:05:39,941 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:05:39,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:05:39,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:05:39,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:05:39,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:05:39,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:05:39,944 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:05:39,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:05:39,945 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:05:39,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:05:39,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:05:39,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:05:39,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:05:39,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:05:39,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:05:39,947 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:05:39,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:05:39,947 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:05:39,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:05:39,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:05:39,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:05:39,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:05:39,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:05:39,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:05:39,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:05:39,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:05:39,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:05:39,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:05:39,950 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:05:39,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:05:39,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:05:39,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:05:39,951 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_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 [2021-11-07 08:05:40,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:05:40,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:05:40,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:05:40,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:05:40,323 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:05:40,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-07 08:05:40,414 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/data/a66fc143b/f4d83286b7ac433697b73849c0a3c191/FLAG1056a00ee [2021-11-07 08:05:41,088 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:05:41,089 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-07 08:05:41,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/data/a66fc143b/f4d83286b7ac433697b73849c0a3c191/FLAG1056a00ee [2021-11-07 08:05:41,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/data/a66fc143b/f4d83286b7ac433697b73849c0a3c191 [2021-11-07 08:05:41,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:05:41,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:05:41,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:05:41,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:05:41,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:05:41,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:05:41" (1/1) ... [2021-11-07 08:05:41,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6916f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:41, skipping insertion in model container [2021-11-07 08:05:41,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:05:41" (1/1) ... [2021-11-07 08:05:41,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:05:41,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:05:41,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-07 08:05:42,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-07 08:05:42,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:05:42,124 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:05:42,188 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-07 08:05:42,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-07 08:05:42,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:05:42,300 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:05:42,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42 WrapperNode [2021-11-07 08:05:42,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:05:42,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:05:42,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:05:42,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:05:42,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2021-11-07 08:05:42,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2021-11-07 08:05:42,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:05:42,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:05:42,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:05:42,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:05:42,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2021-11-07 08:05:42,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2021-11-07 08:05:42,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2021-11-07 08:05:42,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2021-11-07 08:05:42,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2021-11-07 08:05:42,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2021-11-07 08:05:42,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2021-11-07 08:05:42,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:05:42,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:05:42,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:05:42,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:05:42,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2021-11-07 08:05:42,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:05:42,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:05:42,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:05:42,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:05:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:05:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 08:05:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 08:05:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 08:05:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 08:05:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 08:05:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 08:05:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 08:05:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:05:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:05:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:05:44,210 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:05:44,210 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-07 08:05:44,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:05:44 BoogieIcfgContainer [2021-11-07 08:05:44,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:05:44,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:05:44,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:05:44,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:05:44,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:05:41" (1/3) ... [2021-11-07 08:05:44,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358d8335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:05:44, skipping insertion in model container [2021-11-07 08:05:44,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (2/3) ... [2021-11-07 08:05:44,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358d8335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:05:44, skipping insertion in model container [2021-11-07 08:05:44,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:05:44" (3/3) ... [2021-11-07 08:05:44,224 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test2-1.i [2021-11-07 08:05:44,230 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:05:44,230 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 08:05:44,290 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:05:44,298 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 [2021-11-07 08:05:44,298 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 08:05:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 08:05:44,340 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:05:44,341 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:05:44,342 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 08:05:44,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:05:44,348 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-07 08:05:44,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:05:44,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160882721] [2021-11-07 08:05:44,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:44,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:05:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:05:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:05:44,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:05:44,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160882721] [2021-11-07 08:05:44,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160882721] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:05:44,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:05:44,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:05:44,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551166113] [2021-11-07 08:05:44,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 08:05:44,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:05:44,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 08:05:44,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 08:05:44,595 INFO L87 Difference]: Start difference. First operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:44,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:05:44,639 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-07 08:05:44,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 08:05:44,641 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 08:05:44,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:05:44,655 INFO L225 Difference]: With dead ends: 352 [2021-11-07 08:05:44,656 INFO L226 Difference]: Without dead ends: 173 [2021-11-07 08:05:44,660 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 08:05:44,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-07 08:05:44,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-07 08:05:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 167 states have (on average 1.347305389221557) internal successors, (225), 172 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-07 08:05:44,717 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-07 08:05:44,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:05:44,718 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-07 08:05:44,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:44,719 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-07 08:05:44,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 08:05:44,722 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:05:44,722 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:05:44,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 08:05:44,723 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 08:05:44,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:05:44,724 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-07 08:05:44,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:05:44,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463389836] [2021-11-07 08:05:44,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:44,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:05:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:05:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:05:44,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:05:44,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463389836] [2021-11-07 08:05:44,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463389836] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:05:44,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:05:44,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:05:44,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454858677] [2021-11-07 08:05:44,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:05:44,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:05:44,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:05:44,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:05:44,844 INFO L87 Difference]: Start difference. First operand 173 states and 225 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:45,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:05:45,297 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-07 08:05:45,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:05:45,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-07 08:05:45,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:05:45,302 INFO L225 Difference]: With dead ends: 377 [2021-11-07 08:05:45,302 INFO L226 Difference]: Without dead ends: 294 [2021-11-07 08:05:45,304 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 08:05:45,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-07 08:05:45,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-07 08:05:45,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 169 states have (on average 1.3431952662721893) internal successors, (227), 174 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-07 08:05:45,327 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-07 08:05:45,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:05:45,327 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-07 08:05:45,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:45,328 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-07 08:05:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 08:05:45,333 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:05:45,334 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:05:45,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 08:05:45,335 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 08:05:45,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:05:45,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-07 08:05:45,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:05:45,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402111638] [2021-11-07 08:05:45,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:45,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:05:45,375 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:05:45,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1119114208] [2021-11-07 08:05:45,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:45,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:05:45,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:05:45,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:05:45,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 08:05:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:05:45,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 08:05:45,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:05:46,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:05:46,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:05:46,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402111638] [2021-11-07 08:05:46,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:05:46,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119114208] [2021-11-07 08:05:46,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119114208] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:05:46,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:05:46,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:05:46,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640144242] [2021-11-07 08:05:46,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:05:46,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:05:46,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:05:46,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:05:46,105 INFO L87 Difference]: Start difference. First operand 175 states and 227 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:46,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:05:46,208 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-07 08:05:46,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:05:46,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 08:05:46,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:05:46,214 INFO L225 Difference]: With dead ends: 367 [2021-11-07 08:05:46,215 INFO L226 Difference]: Without dead ends: 196 [2021-11-07 08:05:46,218 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:05:46,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-07 08:05:46,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-07 08:05:46,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 189 states have (on average 1.306878306878307) internal successors, (247), 194 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:46,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-07 08:05:46,260 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-07 08:05:46,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:05:46,262 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-07 08:05:46,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:46,263 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-07 08:05:46,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 08:05:46,269 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:05:46,270 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:05:46,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:46,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:05:46,489 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 08:05:46,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:05:46,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-07 08:05:46,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:05:46,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277066078] [2021-11-07 08:05:46,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:46,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:05:46,523 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:05:46,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [617628788] [2021-11-07 08:05:46,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:46,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:05:46,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:05:46,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:05:46,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 08:05:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:05:46,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 08:05:46,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:05:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 08:05:47,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:05:47,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277066078] [2021-11-07 08:05:47,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:05:47,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617628788] [2021-11-07 08:05:47,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617628788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:05:47,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:05:47,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:05:47,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518002242] [2021-11-07 08:05:47,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:05:47,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:05:47,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:05:47,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:05:47,099 INFO L87 Difference]: Start difference. First operand 195 states and 247 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:47,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:05:47,216 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-07 08:05:47,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:05:47,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 08:05:47,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:05:47,219 INFO L225 Difference]: With dead ends: 298 [2021-11-07 08:05:47,220 INFO L226 Difference]: Without dead ends: 216 [2021-11-07 08:05:47,220 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:05:47,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-07 08:05:47,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-07 08:05:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 209 states have (on average 1.277511961722488) internal successors, (267), 214 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:47,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-07 08:05:47,232 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-07 08:05:47,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:05:47,233 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-07 08:05:47,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:47,233 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-07 08:05:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 08:05:47,235 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:05:47,235 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:05:47,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:47,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:05:47,461 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 08:05:47,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:05:47,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-07 08:05:47,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:05:47,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394007152] [2021-11-07 08:05:47,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:47,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:05:47,488 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:05:47,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078593005] [2021-11-07 08:05:47,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:47,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:05:47,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:05:47,491 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:05:47,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 08:05:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:05:47,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 08:05:47,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:05:48,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:05:48,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:05:48,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394007152] [2021-11-07 08:05:48,048 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:05:48,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078593005] [2021-11-07 08:05:48,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078593005] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:05:48,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:05:48,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:05:48,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576962663] [2021-11-07 08:05:48,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:05:48,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:05:48,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:05:48,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:05:48,064 INFO L87 Difference]: Start difference. First operand 215 states and 267 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:48,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:05:48,156 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-07 08:05:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:05:48,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 08:05:48,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:05:48,162 INFO L225 Difference]: With dead ends: 418 [2021-11-07 08:05:48,162 INFO L226 Difference]: Without dead ends: 207 [2021-11-07 08:05:48,163 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 08:05:48,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-07 08:05:48,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-07 08:05:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 195 states have (on average 1.2615384615384615) internal successors, (246), 200 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:48,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-07 08:05:48,171 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-07 08:05:48,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:05:48,172 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-07 08:05:48,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:48,172 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-07 08:05:48,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 08:05:48,174 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:05:48,174 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:05:48,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:48,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:05:48,401 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 08:05:48,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:05:48,401 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-07 08:05:48,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:05:48,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328572721] [2021-11-07 08:05:48,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:48,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:05:48,423 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:05:48,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2116653028] [2021-11-07 08:05:48,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:48,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:05:48,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:05:48,426 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:05:48,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 08:05:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:05:48,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 08:05:48,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:05:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 08:05:49,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:05:49,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328572721] [2021-11-07 08:05:49,005 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:05:49,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116653028] [2021-11-07 08:05:49,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116653028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:05:49,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:05:49,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:05:49,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953035727] [2021-11-07 08:05:49,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:05:49,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:05:49,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:05:49,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:05:49,009 INFO L87 Difference]: Start difference. First operand 201 states and 246 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:49,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:05:49,106 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-07 08:05:49,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:05:49,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 08:05:49,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:05:49,109 INFO L225 Difference]: With dead ends: 295 [2021-11-07 08:05:49,109 INFO L226 Difference]: Without dead ends: 193 [2021-11-07 08:05:49,110 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 08:05:49,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-07 08:05:49,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-07 08:05:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 181 states have (on average 1.2430939226519337) internal successors, (225), 186 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:49,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-07 08:05:49,118 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-07 08:05:49,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:05:49,120 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-07 08:05:49,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:49,120 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-07 08:05:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 08:05:49,122 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:05:49,122 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:05:49,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-07 08:05:49,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:05:49,348 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 08:05:49,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:05:49,349 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-07 08:05:49,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:05:49,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706557888] [2021-11-07 08:05:49,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:49,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:05:49,371 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:05:49,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254938061] [2021-11-07 08:05:49,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:49,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:05:49,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:05:49,373 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:05:49,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 08:05:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:05:49,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 08:05:49,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:05:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:05:50,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:05:50,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706557888] [2021-11-07 08:05:50,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:05:50,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254938061] [2021-11-07 08:05:50,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254938061] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:05:50,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:05:50,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:05:50,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14112120] [2021-11-07 08:05:50,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:05:50,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:05:50,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:05:50,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:05:50,269 INFO L87 Difference]: Start difference. First operand 187 states and 225 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:50,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:05:50,352 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-07 08:05:50,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:05:50,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 08:05:50,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:05:50,355 INFO L225 Difference]: With dead ends: 486 [2021-11-07 08:05:50,356 INFO L226 Difference]: Without dead ends: 303 [2021-11-07 08:05:50,356 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:05:50,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-07 08:05:50,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-07 08:05:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 285 states have (on average 1.2280701754385965) internal successors, (350), 290 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:50,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-07 08:05:50,370 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-07 08:05:50,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:05:50,371 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-07 08:05:50,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:50,372 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-07 08:05:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 08:05:50,373 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:05:50,373 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:05:50,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:50,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-07 08:05:50,589 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 08:05:50,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:05:50,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-07 08:05:50,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:05:50,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692682797] [2021-11-07 08:05:50,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:50,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:05:50,616 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:05:50,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [731757671] [2021-11-07 08:05:50,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:50,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:05:50,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:05:50,618 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:05:50,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 08:05:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:05:51,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 08:05:51,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:05:51,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:05:51,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:05:51,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692682797] [2021-11-07 08:05:51,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 08:05:51,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731757671] [2021-11-07 08:05:51,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731757671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:05:51,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:05:51,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:05:51,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012764564] [2021-11-07 08:05:51,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:05:51,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:05:51,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:05:51,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:05:51,426 INFO L87 Difference]: Start difference. First operand 291 states and 350 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:51,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:05:51,691 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-07 08:05:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:05:51,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 08:05:51,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:05:51,696 INFO L225 Difference]: With dead ends: 474 [2021-11-07 08:05:51,696 INFO L226 Difference]: Without dead ends: 231 [2021-11-07 08:05:51,697 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 08:05:51,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-07 08:05:51,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-07 08:05:51,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 225 states have (on average 1.208888888888889) internal successors, (272), 230 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:51,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-07 08:05:51,709 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-07 08:05:51,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:05:51,711 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-07 08:05:51,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:05:51,712 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-07 08:05:51,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 08:05:51,717 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:05:51,717 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:05:51,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:51,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:05:51,939 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 08:05:51,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:05:51,940 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-07 08:05:51,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:05:51,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146203831] [2021-11-07 08:05:51,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:51,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:05:51,959 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:05:51,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999191942] [2021-11-07 08:05:51,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:05:51,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:05:51,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:05:51,962 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:05:51,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb84b3b-9c8c-4b4c-b040-870ad32334c5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 08:05:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:05:52,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 08:05:52,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:05:52,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:05:52,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 08:05:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:52,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 08:05:52,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:52,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:52,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:52,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-07 08:05:54,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-07 08:05:54,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-07 08:05:54,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-07 08:05:54,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-07 08:05:54,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 08:05:54,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-07 08:05:54,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,652 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 08:05:54,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 08:05:54,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:54,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-07 08:05:57,068 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 08:05:57,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-07 08:05:57,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:59,149 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 08:05:59,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-07 08:05:59,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:59,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:59,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:59,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:59,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:59,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:05:59,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:07,631 WARN L207 SmtUtils]: Spent 8.33 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-07 08:06:07,633 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-07 08:06:07,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2277 [2021-11-07 08:06:08,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:08,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-07 08:06:08,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:08,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-07 08:06:13,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 08:06:13,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 08:06:13,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 08:06:13,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:13,706 INFO L244 Elim1Store]: Index analysis took 345 ms [2021-11-07 08:06:13,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 955 treesize of output 443 [2021-11-07 08:06:15,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 08:06:15,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:15,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:15,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:06:15,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 08:06:15,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:13,987 WARN L207 SmtUtils]: Spent 10.97 m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-07 08:17:13,991 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-07 08:17:13,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 38 new quantified variables, introduced 168 case distinctions, treesize of input 1851380 treesize of output 765901 [2021-11-07 08:17:22,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,536 INFO L244 Elim1Store]: Index analysis took 467 ms [2021-11-07 08:17:22,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:22,972 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 08:17:22,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 678 treesize of output 316 [2021-11-07 08:17:25,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:26,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:27,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:27,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:29,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:29,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:30,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:30,446 INFO L244 Elim1Store]: Index analysis took 4641 ms [2021-11-07 08:17:30,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:31,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:31,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:31,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:32,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:32,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:32,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:33,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:33,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:33,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:34,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:34,611 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 08:17:34,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1023 treesize of output 442 [2021-11-07 08:17:35,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:36,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:36,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:36,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:37,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:37,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:37,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:37,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:37,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:37,568 INFO L244 Elim1Store]: Index analysis took 2499 ms [2021-11-07 08:17:37,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:38,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:39,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:40,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:40,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:40,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:40,846 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 08:17:40,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 758 treesize of output 356 [2021-11-07 08:17:41,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:42,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:42,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:42,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:43,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:43,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:43,472 INFO L244 Elim1Store]: Index analysis took 2187 ms [2021-11-07 08:17:43,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:43,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:44,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:44,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:44,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:44,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:44,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:45,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:45,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:45,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 08:17:45,999 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 08:17:45,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1341 treesize of output 607