./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Ackermann04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/Ackermann04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt --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 5e57a3ac5bdb229178b6e3922e8ce89677cf2614 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:23:00,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:23:00,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:23:00,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:23:00,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:23:00,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:23:00,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:23:00,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:23:00,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:23:00,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:23:00,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:23:00,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:23:00,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:23:00,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:23:00,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:23:00,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:23:00,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:23:00,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:23:00,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:23:00,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:23:00,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:23:00,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:23:00,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:23:00,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:23:00,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:23:00,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:23:00,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:23:00,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:23:00,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:23:00,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:23:00,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:23:00,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:23:00,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:23:00,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:23:00,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:23:00,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:23:00,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:23:00,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:23:00,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:23:00,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:23:00,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:23:00,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:23:00,739 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:23:00,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:23:00,740 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:23:00,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:23:00,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:23:00,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:23:00,742 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:23:00,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:23:00,743 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:23:00,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:23:00,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:23:00,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:23:00,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:23:00,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:23:00,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:23:00,746 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:23:00,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:23:00,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:23:00,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:23:00,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:23:00,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:23:00,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:23:00,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:23:00,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:23:00,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:23:00,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:23:00,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:23:00,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:23:00,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:23:00,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:23:00,751 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_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e57a3ac5bdb229178b6e3922e8ce89677cf2614 [2021-10-13 01:23:01,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:23:01,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:23:01,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:23:01,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:23:01,055 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:23:01,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/recursive/Ackermann04.c [2021-10-13 01:23:01,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/data/53a2571ca/a6522771e1ea45159b460a9fb1589e2f/FLAGf796d0198 [2021-10-13 01:23:01,561 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:23:01,562 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/sv-benchmarks/c/recursive/Ackermann04.c [2021-10-13 01:23:01,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/data/53a2571ca/a6522771e1ea45159b460a9fb1589e2f/FLAGf796d0198 [2021-10-13 01:23:01,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/data/53a2571ca/a6522771e1ea45159b460a9fb1589e2f [2021-10-13 01:23:01,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:23:01,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:23:01,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:23:01,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:23:01,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:23:01,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:23:01" (1/1) ... [2021-10-13 01:23:01,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f21c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:01, skipping insertion in model container [2021-10-13 01:23:01,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:23:01" (1/1) ... [2021-10-13 01:23:01,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:23:01,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:23:02,144 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_aa5ae3ff-5666-4aee-bd62-e89358746279/sv-benchmarks/c/recursive/Ackermann04.c[1166,1179] [2021-10-13 01:23:02,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:23:02,193 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:23:02,219 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_aa5ae3ff-5666-4aee-bd62-e89358746279/sv-benchmarks/c/recursive/Ackermann04.c[1166,1179] [2021-10-13 01:23:02,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:23:02,238 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:23:02,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:02 WrapperNode [2021-10-13 01:23:02,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:23:02,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:23:02,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:23:02,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:23:02,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:02" (1/1) ... [2021-10-13 01:23:02,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:02" (1/1) ... [2021-10-13 01:23:02,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:23:02,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:23:02,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:23:02,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:23:02,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:02" (1/1) ... [2021-10-13 01:23:02,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:02" (1/1) ... [2021-10-13 01:23:02,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:02" (1/1) ... [2021-10-13 01:23:02,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:02" (1/1) ... [2021-10-13 01:23:02,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:02" (1/1) ... [2021-10-13 01:23:02,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:02" (1/1) ... [2021-10-13 01:23:02,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:02" (1/1) ... [2021-10-13 01:23:02,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:23:02,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:23:02,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:23:02,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:23:02,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:02" (1/1) ... [2021-10-13 01:23:02,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:23:02,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:02,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:23:02,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:23:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:23:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:23:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2021-10-13 01:23:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2021-10-13 01:23:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:23:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:23:02,578 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:23:02,579 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 01:23:02,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:23:02 BoogieIcfgContainer [2021-10-13 01:23:02,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:23:02,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:23:02,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:23:02,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:23:02,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:23:01" (1/3) ... [2021-10-13 01:23:02,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d1e3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:23:02, skipping insertion in model container [2021-10-13 01:23:02,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:23:02" (2/3) ... [2021-10-13 01:23:02,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d1e3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:23:02, skipping insertion in model container [2021-10-13 01:23:02,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:23:02" (3/3) ... [2021-10-13 01:23:02,600 INFO L111 eAbstractionObserver]: Analyzing ICFG Ackermann04.c [2021-10-13 01:23:02,605 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:23:02,605 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 01:23:02,664 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:23:02,678 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 01:23:02,697 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 01:23:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-13 01:23:02,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 01:23:02,735 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:02,735 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:02,736 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:23:02,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:02,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1470704041, now seen corresponding path program 1 times [2021-10-13 01:23:02,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:02,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230571842] [2021-10-13 01:23:02,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:02,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:23:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:03,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:23:03,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:03,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230571842] [2021-10-13 01:23:03,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230571842] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:23:03,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:23:03,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:23:03,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152922426] [2021-10-13 01:23:03,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:23:03,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:03,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:23:03,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:23:03,044 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:23:03,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:03,163 INFO L93 Difference]: Finished difference Result 51 states and 72 transitions. [2021-10-13 01:23:03,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:23:03,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-10-13 01:23:03,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:03,174 INFO L225 Difference]: With dead ends: 51 [2021-10-13 01:23:03,174 INFO L226 Difference]: Without dead ends: 25 [2021-10-13 01:23:03,179 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.9ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:23:03,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-10-13 01:23:03,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-10-13 01:23:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2021-10-13 01:23:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-10-13 01:23:03,224 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 12 [2021-10-13 01:23:03,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:03,225 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-13 01:23:03,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:23:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-10-13 01:23:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 01:23:03,231 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:03,232 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:03,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:23:03,232 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:23:03,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:03,234 INFO L82 PathProgramCache]: Analyzing trace with hash 941922339, now seen corresponding path program 1 times [2021-10-13 01:23:03,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:03,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092428526] [2021-10-13 01:23:03,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:03,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:03,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:23:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:03,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:03,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:03,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092428526] [2021-10-13 01:23:03,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092428526] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:03,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584994640] [2021-10-13 01:23:03,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:03,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:03,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:03,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:03,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 01:23:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:03,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:23:03,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:03,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:23:03,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584994640] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:03,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:03,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-13 01:23:03,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569918621] [2021-10-13 01:23:03,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 01:23:03,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:03,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 01:23:03,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:23:03,700 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-10-13 01:23:03,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:03,795 INFO L93 Difference]: Finished difference Result 49 states and 74 transitions. [2021-10-13 01:23:03,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:23:03,796 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 19 [2021-10-13 01:23:03,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:03,798 INFO L225 Difference]: With dead ends: 49 [2021-10-13 01:23:03,799 INFO L226 Difference]: Without dead ends: 27 [2021-10-13 01:23:03,800 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 37.3ms TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-10-13 01:23:03,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-13 01:23:03,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-13 01:23:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2021-10-13 01:23:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2021-10-13 01:23:03,809 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 19 [2021-10-13 01:23:03,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:03,809 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2021-10-13 01:23:03,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-10-13 01:23:03,810 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-10-13 01:23:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 01:23:03,812 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:03,812 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:03,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-13 01:23:04,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-13 01:23:04,039 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:23:04,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:04,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1893657534, now seen corresponding path program 1 times [2021-10-13 01:23:04,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:04,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065772185] [2021-10-13 01:23:04,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:04,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:23:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:04,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:04,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 01:23:04,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:04,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065772185] [2021-10-13 01:23:04,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065772185] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:04,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840805516] [2021-10-13 01:23:04,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:04,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:04,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:04,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:04,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 01:23:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:04,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:23:04,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 01:23:04,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840805516] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:04,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:04,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-10-13 01:23:04,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599874975] [2021-10-13 01:23:04,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 01:23:04,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:04,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 01:23:04,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:23:04,536 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 01:23:04,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:04,666 INFO L93 Difference]: Finished difference Result 74 states and 134 transitions. [2021-10-13 01:23:04,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 01:23:04,667 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) Word has length 32 [2021-10-13 01:23:04,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:04,670 INFO L225 Difference]: With dead ends: 74 [2021-10-13 01:23:04,670 INFO L226 Difference]: Without dead ends: 50 [2021-10-13 01:23:04,672 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 43.0ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-13 01:23:04,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-13 01:23:04,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-10-13 01:23:04,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 34 states have internal predecessors, (39), 10 states have call successors, (10), 3 states have call predecessors, (10), 6 states have return successors, (27), 12 states have call predecessors, (27), 10 states have call successors, (27) [2021-10-13 01:23:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 76 transitions. [2021-10-13 01:23:04,687 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 76 transitions. Word has length 32 [2021-10-13 01:23:04,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:04,687 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 76 transitions. [2021-10-13 01:23:04,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 01:23:04,688 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2021-10-13 01:23:04,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-13 01:23:04,691 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:04,691 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:04,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:04,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:04,912 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:23:04,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:04,912 INFO L82 PathProgramCache]: Analyzing trace with hash -574784801, now seen corresponding path program 2 times [2021-10-13 01:23:04,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:04,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764032356] [2021-10-13 01:23:04,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:04,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:23:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:05,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:05,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:05,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:05,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-13 01:23:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:05,102 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-13 01:23:05,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:05,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764032356] [2021-10-13 01:23:05,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764032356] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:05,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911289152] [2021-10-13 01:23:05,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 01:23:05,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:05,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:05,109 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:05,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 01:23:05,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 01:23:05,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:23:05,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:23:05,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:05,412 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-13 01:23:05,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911289152] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:05,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:05,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2021-10-13 01:23:05,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150341167] [2021-10-13 01:23:05,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 01:23:05,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:05,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 01:23:05,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-10-13 01:23:05,417 INFO L87 Difference]: Start difference. First operand 50 states and 76 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 5 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-13 01:23:05,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:05,557 INFO L93 Difference]: Finished difference Result 120 states and 227 transitions. [2021-10-13 01:23:05,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 01:23:05,557 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 5 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) Word has length 45 [2021-10-13 01:23:05,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:05,560 INFO L225 Difference]: With dead ends: 120 [2021-10-13 01:23:05,560 INFO L226 Difference]: Without dead ends: 53 [2021-10-13 01:23:05,564 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 55.8ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-13 01:23:05,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-13 01:23:05,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-13 01:23:05,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 8 states have call successors, (8), 4 states have call predecessors, (8), 8 states have return successors, (28), 11 states have call predecessors, (28), 8 states have call successors, (28) [2021-10-13 01:23:05,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-13 01:23:05,580 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 45 [2021-10-13 01:23:05,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:05,581 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-13 01:23:05,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 5 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-13 01:23:05,581 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-13 01:23:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-13 01:23:05,585 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:05,585 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 7, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:05,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:05,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:05,800 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:23:05,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:05,801 INFO L82 PathProgramCache]: Analyzing trace with hash -749766204, now seen corresponding path program 3 times [2021-10-13 01:23:05,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:05,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412520111] [2021-10-13 01:23:05,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:05,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:05,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:23:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:05,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:06,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:06,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-13 01:23:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:06,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-10-13 01:23:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:06,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 101 proven. 59 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-13 01:23:06,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:06,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412520111] [2021-10-13 01:23:06,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412520111] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:06,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773251770] [2021-10-13 01:23:06,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 01:23:06,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:06,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:06,206 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:06,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-13 01:23:06,312 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-10-13 01:23:06,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:23:06,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 01:23:06,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:06,590 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 98 proven. 19 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-13 01:23:06,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773251770] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:06,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:06,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 18 [2021-10-13 01:23:06,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096461494] [2021-10-13 01:23:06,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-13 01:23:06,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:06,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-13 01:23:06,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-10-13 01:23:06,599 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 14 states have internal predecessors, (43), 6 states have call successors, (9), 1 states have call predecessors, (9), 8 states have return successors, (17), 11 states have call predecessors, (17), 6 states have call successors, (17) [2021-10-13 01:23:07,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:07,097 INFO L93 Difference]: Finished difference Result 119 states and 222 transitions. [2021-10-13 01:23:07,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-13 01:23:07,099 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 14 states have internal predecessors, (43), 6 states have call successors, (9), 1 states have call predecessors, (9), 8 states have return successors, (17), 11 states have call predecessors, (17), 6 states have call successors, (17) Word has length 79 [2021-10-13 01:23:07,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:07,103 INFO L225 Difference]: With dead ends: 119 [2021-10-13 01:23:07,103 INFO L226 Difference]: Without dead ends: 71 [2021-10-13 01:23:07,105 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 357.1ms TimeCoverageRelationStatistics Valid=261, Invalid=999, Unknown=0, NotChecked=0, Total=1260 [2021-10-13 01:23:07,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-13 01:23:07,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 53. [2021-10-13 01:23:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 8 states have call successors, (8), 4 states have call predecessors, (8), 8 states have return successors, (24), 11 states have call predecessors, (24), 8 states have call successors, (24) [2021-10-13 01:23:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-13 01:23:07,122 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 79 [2021-10-13 01:23:07,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:07,123 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-13 01:23:07,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 14 states have internal predecessors, (43), 6 states have call successors, (9), 1 states have call predecessors, (9), 8 states have return successors, (17), 11 states have call predecessors, (17), 6 states have call successors, (17) [2021-10-13 01:23:07,123 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-13 01:23:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-10-13 01:23:07,127 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:07,127 INFO L512 BasicCegarLoop]: trace histogram [31, 31, 18, 13, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:07,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-13 01:23:07,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:07,332 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:23:07,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:07,332 INFO L82 PathProgramCache]: Analyzing trace with hash 373404425, now seen corresponding path program 4 times [2021-10-13 01:23:07,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:07,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267159258] [2021-10-13 01:23:07,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:07,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:23:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-13 01:23:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-13 01:23:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-13 01:23:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-10-13 01:23:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-13 01:23:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-13 01:23:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-13 01:23:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-10-13 01:23:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 539 proven. 527 refuted. 0 times theorem prover too weak. 1241 trivial. 0 not checked. [2021-10-13 01:23:07,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:07,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267159258] [2021-10-13 01:23:07,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267159258] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:07,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547892337] [2021-10-13 01:23:07,979 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-13 01:23:07,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:07,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:07,980 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:07,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-13 01:23:08,151 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-13 01:23:08,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:23:08,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-13 01:23:08,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 432 proven. 712 refuted. 0 times theorem prover too weak. 1163 trivial. 0 not checked. [2021-10-13 01:23:08,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547892337] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:08,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:08,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 17 [2021-10-13 01:23:08,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579315239] [2021-10-13 01:23:08,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-13 01:23:08,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:08,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-13 01:23:08,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2021-10-13 01:23:08,787 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 17 states, 17 states have (on average 3.411764705882353) internal successors, (58), 17 states have internal predecessors, (58), 13 states have call successors, (20), 1 states have call predecessors, (20), 9 states have return successors, (32), 12 states have call predecessors, (32), 13 states have call successors, (32) [2021-10-13 01:23:09,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:09,000 INFO L93 Difference]: Finished difference Result 133 states and 250 transitions. [2021-10-13 01:23:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 01:23:09,001 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.411764705882353) internal successors, (58), 17 states have internal predecessors, (58), 13 states have call successors, (20), 1 states have call predecessors, (20), 9 states have return successors, (32), 12 states have call predecessors, (32), 13 states have call successors, (32) Word has length 210 [2021-10-13 01:23:09,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:09,004 INFO L225 Difference]: With dead ends: 133 [2021-10-13 01:23:09,004 INFO L226 Difference]: Without dead ends: 85 [2021-10-13 01:23:09,005 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 131.3ms TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2021-10-13 01:23:09,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-13 01:23:09,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 77. [2021-10-13 01:23:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.1153846153846154) internal successors, (58), 53 states have internal predecessors, (58), 13 states have call successors, (13), 7 states have call predecessors, (13), 11 states have return successors, (46), 16 states have call predecessors, (46), 13 states have call successors, (46) [2021-10-13 01:23:09,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 117 transitions. [2021-10-13 01:23:09,024 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 117 transitions. Word has length 210 [2021-10-13 01:23:09,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:09,024 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 117 transitions. [2021-10-13 01:23:09,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.411764705882353) internal successors, (58), 17 states have internal predecessors, (58), 13 states have call successors, (20), 1 states have call predecessors, (20), 9 states have return successors, (32), 12 states have call predecessors, (32), 13 states have call successors, (32) [2021-10-13 01:23:09,025 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2021-10-13 01:23:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-13 01:23:09,027 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:09,028 INFO L512 BasicCegarLoop]: trace histogram [19, 19, 11, 8, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:09,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:09,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-13 01:23:09,241 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:23:09,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:09,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1538229242, now seen corresponding path program 5 times [2021-10-13 01:23:09,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:09,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019158599] [2021-10-13 01:23:09,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:09,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:23:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-13 01:23:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-10-13 01:23:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-13 01:23:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-13 01:23:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 126 proven. 271 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2021-10-13 01:23:09,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:09,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019158599] [2021-10-13 01:23:09,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019158599] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:09,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067135548] [2021-10-13 01:23:09,555 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-13 01:23:09,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:09,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:09,556 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:09,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-13 01:23:09,755 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-13 01:23:09,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:23:09,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-13 01:23:09,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 484 proven. 71 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-10-13 01:23:10,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067135548] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:10,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:10,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 17 [2021-10-13 01:23:10,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843417739] [2021-10-13 01:23:10,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-13 01:23:10,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:10,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-13 01:23:10,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-10-13 01:23:10,138 INFO L87 Difference]: Start difference. First operand 77 states and 117 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 14 states have internal predecessors, (53), 9 states have call successors, (15), 2 states have call predecessors, (15), 9 states have return successors, (21), 10 states have call predecessors, (21), 9 states have call successors, (21) [2021-10-13 01:23:10,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:10,738 INFO L93 Difference]: Finished difference Result 171 states and 309 transitions. [2021-10-13 01:23:10,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-13 01:23:10,739 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 14 states have internal predecessors, (53), 9 states have call successors, (15), 2 states have call predecessors, (15), 9 states have return successors, (21), 10 states have call predecessors, (21), 9 states have call successors, (21) Word has length 131 [2021-10-13 01:23:10,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:10,741 INFO L225 Difference]: With dead ends: 171 [2021-10-13 01:23:10,741 INFO L226 Difference]: Without dead ends: 94 [2021-10-13 01:23:10,743 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 395.3ms TimeCoverageRelationStatistics Valid=352, Invalid=1288, Unknown=0, NotChecked=0, Total=1640 [2021-10-13 01:23:10,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-13 01:23:10,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 85. [2021-10-13 01:23:10,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 59 states have internal predecessors, (66), 15 states have call successors, (15), 9 states have call predecessors, (15), 11 states have return successors, (46), 16 states have call predecessors, (46), 15 states have call successors, (46) [2021-10-13 01:23:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2021-10-13 01:23:10,759 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 131 [2021-10-13 01:23:10,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:10,760 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2021-10-13 01:23:10,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 14 states have internal predecessors, (53), 9 states have call successors, (15), 2 states have call predecessors, (15), 9 states have return successors, (21), 10 states have call predecessors, (21), 9 states have call successors, (21) [2021-10-13 01:23:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2021-10-13 01:23:10,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-13 01:23:10,763 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:10,763 INFO L512 BasicCegarLoop]: trace histogram [19, 19, 11, 8, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:10,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:10,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:10,981 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:23:10,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:10,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1811622132, now seen corresponding path program 6 times [2021-10-13 01:23:10,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:10,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329354855] [2021-10-13 01:23:10,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:10,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:23:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-13 01:23:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-13 01:23:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-10-13 01:23:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-13 01:23:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 153 proven. 289 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2021-10-13 01:23:11,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:11,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329354855] [2021-10-13 01:23:11,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329354855] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:11,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134704561] [2021-10-13 01:23:11,316 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-13 01:23:11,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:11,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:11,317 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:11,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-13 01:23:11,600 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-10-13 01:23:11,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:23:11,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-13 01:23:11,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 475 proven. 114 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-10-13 01:23:11,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134704561] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:11,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:11,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 18 [2021-10-13 01:23:11,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264820981] [2021-10-13 01:23:11,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-13 01:23:11,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:11,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-13 01:23:11,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-10-13 01:23:11,921 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 15 states have internal predecessors, (56), 10 states have call successors, (16), 2 states have call predecessors, (16), 10 states have return successors, (24), 11 states have call predecessors, (24), 10 states have call successors, (24) [2021-10-13 01:23:12,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:12,423 INFO L93 Difference]: Finished difference Result 194 states and 341 transitions. [2021-10-13 01:23:12,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-13 01:23:12,424 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 15 states have internal predecessors, (56), 10 states have call successors, (16), 2 states have call predecessors, (16), 10 states have return successors, (24), 11 states have call predecessors, (24), 10 states have call successors, (24) Word has length 131 [2021-10-13 01:23:12,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:12,426 INFO L225 Difference]: With dead ends: 194 [2021-10-13 01:23:12,426 INFO L226 Difference]: Without dead ends: 109 [2021-10-13 01:23:12,427 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 355.2ms TimeCoverageRelationStatistics Valid=360, Invalid=1446, Unknown=0, NotChecked=0, Total=1806 [2021-10-13 01:23:12,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-13 01:23:12,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2021-10-13 01:23:12,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 67 states have (on average 1.1194029850746268) internal successors, (75), 68 states have internal predecessors, (75), 18 states have call successors, (18), 9 states have call predecessors, (18), 14 states have return successors, (59), 22 states have call predecessors, (59), 18 states have call successors, (59) [2021-10-13 01:23:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 152 transitions. [2021-10-13 01:23:12,474 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 152 transitions. Word has length 131 [2021-10-13 01:23:12,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:12,475 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 152 transitions. [2021-10-13 01:23:12,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 15 states have internal predecessors, (56), 10 states have call successors, (16), 2 states have call predecessors, (16), 10 states have return successors, (24), 11 states have call predecessors, (24), 10 states have call successors, (24) [2021-10-13 01:23:12,476 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 152 transitions. [2021-10-13 01:23:12,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-10-13 01:23:12,484 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:12,484 INFO L512 BasicCegarLoop]: trace histogram [23, 23, 13, 10, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:12,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:12,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:12,709 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:23:12,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:12,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1701842998, now seen corresponding path program 7 times [2021-10-13 01:23:12,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:12,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41768324] [2021-10-13 01:23:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:12,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:12,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:23:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:12,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:12,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:12,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:12,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:12,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:12,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-13 01:23:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:12,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-13 01:23:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-13 01:23:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-10-13 01:23:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-13 01:23:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-13 01:23:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 446 proven. 274 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2021-10-13 01:23:13,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:13,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41768324] [2021-10-13 01:23:13,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41768324] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:13,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370371991] [2021-10-13 01:23:13,274 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-13 01:23:13,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:13,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:13,275 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:13,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-13 01:23:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:13,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-13 01:23:13,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 421 proven. 286 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2021-10-13 01:23:14,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370371991] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:14,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:14,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 24 [2021-10-13 01:23:14,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298206596] [2021-10-13 01:23:14,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-13 01:23:14,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:14,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-13 01:23:14,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2021-10-13 01:23:14,085 INFO L87 Difference]: Start difference. First operand 100 states and 152 transitions. Second operand has 24 states, 24 states have (on average 2.375) internal successors, (57), 20 states have internal predecessors, (57), 12 states have call successors, (15), 1 states have call predecessors, (15), 13 states have return successors, (26), 15 states have call predecessors, (26), 12 states have call successors, (26) [2021-10-13 01:23:14,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:14,920 INFO L93 Difference]: Finished difference Result 224 states and 399 transitions. [2021-10-13 01:23:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-13 01:23:14,921 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.375) internal successors, (57), 20 states have internal predecessors, (57), 12 states have call successors, (15), 1 states have call predecessors, (15), 13 states have return successors, (26), 15 states have call predecessors, (26), 12 states have call successors, (26) Word has length 157 [2021-10-13 01:23:14,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:14,923 INFO L225 Difference]: With dead ends: 224 [2021-10-13 01:23:14,923 INFO L226 Difference]: Without dead ends: 133 [2021-10-13 01:23:14,925 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 543.3ms TimeCoverageRelationStatistics Valid=543, Invalid=2649, Unknown=0, NotChecked=0, Total=3192 [2021-10-13 01:23:14,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-13 01:23:14,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 115. [2021-10-13 01:23:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.105263157894737) internal successors, (84), 77 states have internal predecessors, (84), 21 states have call successors, (21), 9 states have call predecessors, (21), 17 states have return successors, (80), 28 states have call predecessors, (80), 21 states have call successors, (80) [2021-10-13 01:23:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 185 transitions. [2021-10-13 01:23:14,944 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 185 transitions. Word has length 157 [2021-10-13 01:23:14,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:14,944 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 185 transitions. [2021-10-13 01:23:14,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.375) internal successors, (57), 20 states have internal predecessors, (57), 12 states have call successors, (15), 1 states have call predecessors, (15), 13 states have return successors, (26), 15 states have call predecessors, (26), 12 states have call successors, (26) [2021-10-13 01:23:14,945 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 185 transitions. [2021-10-13 01:23:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-10-13 01:23:14,947 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:14,947 INFO L512 BasicCegarLoop]: trace histogram [25, 25, 14, 11, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:14,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-10-13 01:23:15,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-10-13 01:23:15,165 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:23:15,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:15,166 INFO L82 PathProgramCache]: Analyzing trace with hash -860565711, now seen corresponding path program 8 times [2021-10-13 01:23:15,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:15,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471270627] [2021-10-13 01:23:15,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:15,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:23:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-13 01:23:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-13 01:23:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-13 01:23:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-10-13 01:23:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-13 01:23:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-13 01:23:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-10-13 01:23:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 503 proven. 360 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-10-13 01:23:15,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:15,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471270627] [2021-10-13 01:23:15,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471270627] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:15,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702798601] [2021-10-13 01:23:15,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 01:23:15,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:15,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:15,661 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:15,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-13 01:23:16,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 01:23:16,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:23:16,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-13 01:23:16,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:16,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 477 proven. 372 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-10-13 01:23:16,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702798601] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:16,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:16,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 25 [2021-10-13 01:23:16,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693276104] [2021-10-13 01:23:16,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-10-13 01:23:16,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:16,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-10-13 01:23:16,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2021-10-13 01:23:16,457 INFO L87 Difference]: Start difference. First operand 115 states and 185 transitions. Second operand has 25 states, 25 states have (on average 2.4) internal successors, (60), 21 states have internal predecessors, (60), 13 states have call successors, (16), 1 states have call predecessors, (16), 14 states have return successors, (29), 16 states have call predecessors, (29), 13 states have call successors, (29) [2021-10-13 01:23:17,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:17,332 INFO L93 Difference]: Finished difference Result 263 states and 497 transitions. [2021-10-13 01:23:17,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-13 01:23:17,333 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.4) internal successors, (60), 21 states have internal predecessors, (60), 13 states have call successors, (16), 1 states have call predecessors, (16), 14 states have return successors, (29), 16 states have call predecessors, (29), 13 states have call successors, (29) Word has length 170 [2021-10-13 01:23:17,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:17,337 INFO L225 Difference]: With dead ends: 263 [2021-10-13 01:23:17,337 INFO L226 Difference]: Without dead ends: 157 [2021-10-13 01:23:17,340 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 889 ImplicationChecksByTransitivity, 634.8ms TimeCoverageRelationStatistics Valid=670, Invalid=3236, Unknown=0, NotChecked=0, Total=3906 [2021-10-13 01:23:17,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-10-13 01:23:17,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 130. [2021-10-13 01:23:17,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 85 states have (on average 1.0941176470588236) internal successors, (93), 86 states have internal predecessors, (93), 24 states have call successors, (24), 9 states have call predecessors, (24), 20 states have return successors, (101), 34 states have call predecessors, (101), 24 states have call successors, (101) [2021-10-13 01:23:17,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 218 transitions. [2021-10-13 01:23:17,365 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 218 transitions. Word has length 170 [2021-10-13 01:23:17,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:17,366 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 218 transitions. [2021-10-13 01:23:17,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.4) internal successors, (60), 21 states have internal predecessors, (60), 13 states have call successors, (16), 1 states have call predecessors, (16), 14 states have return successors, (29), 16 states have call predecessors, (29), 13 states have call successors, (29) [2021-10-13 01:23:17,367 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 218 transitions. [2021-10-13 01:23:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-10-13 01:23:17,370 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:23:17,371 INFO L512 BasicCegarLoop]: trace histogram [27, 27, 15, 12, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:23:17,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:17,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:17,586 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:23:17,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:23:17,586 INFO L82 PathProgramCache]: Analyzing trace with hash 332854534, now seen corresponding path program 9 times [2021-10-13 01:23:17,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:23:17,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103830054] [2021-10-13 01:23:17,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:23:17,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:23:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:23:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-13 01:23:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-13 01:23:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-13 01:23:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-10-13 01:23:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:18,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:23:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 01:23:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-13 01:23:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:18,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-13 01:23:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:18,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-10-13 01:23:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:18,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-10-13 01:23:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:23:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 686 proven. 70 refuted. 0 times theorem prover too weak. 985 trivial. 0 not checked. [2021-10-13 01:23:18,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:23:18,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103830054] [2021-10-13 01:23:18,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103830054] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:18,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439366123] [2021-10-13 01:23:18,133 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 01:23:18,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:23:18,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:23:18,134 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:23:18,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-13 01:23:18,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-10-13 01:23:18,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:23:18,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-13 01:23:18,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:23:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 657 proven. 84 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2021-10-13 01:23:18,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439366123] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:23:18,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:23:18,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 26 [2021-10-13 01:23:18,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238722917] [2021-10-13 01:23:18,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-13 01:23:18,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:23:18,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-13 01:23:18,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2021-10-13 01:23:18,990 INFO L87 Difference]: Start difference. First operand 130 states and 218 transitions. Second operand has 26 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 19 states have internal predecessors, (41), 6 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (17), 13 states have call predecessors, (17), 6 states have call successors, (17) [2021-10-13 01:23:19,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:23:19,654 INFO L93 Difference]: Finished difference Result 166 states and 274 transitions. [2021-10-13 01:23:19,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-13 01:23:19,669 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 19 states have internal predecessors, (41), 6 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (17), 13 states have call predecessors, (17), 6 states have call successors, (17) Word has length 183 [2021-10-13 01:23:19,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:23:19,670 INFO L225 Difference]: With dead ends: 166 [2021-10-13 01:23:19,670 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 01:23:19,673 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 554.3ms TimeCoverageRelationStatistics Valid=527, Invalid=2443, Unknown=0, NotChecked=0, Total=2970 [2021-10-13 01:23:19,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 01:23:19,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 01:23:19,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:23:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:23:19,674 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2021-10-13 01:23:19,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:23:19,675 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:23:19,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 19 states have internal predecessors, (41), 6 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (17), 13 states have call predecessors, (17), 6 states have call successors, (17) [2021-10-13 01:23:19,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:23:19,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 01:23:19,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:23:19,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:23:19,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-13 01:23:19,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 01:23:19,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:19,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:20,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:21,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:23:22,510 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 01:23:22,510 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 01:23:22,510 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 01:23:22,510 INFO L857 garLoopResultBuilder]: For program point L29(lines 29 33) no Hoare annotation was computed. [2021-10-13 01:23:22,510 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 01:23:22,510 INFO L860 garLoopResultBuilder]: At program point L27(lines 27 47) the Hoare annotation is: true [2021-10-13 01:23:22,511 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2021-10-13 01:23:22,511 INFO L857 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2021-10-13 01:23:22,511 INFO L857 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2021-10-13 01:23:22,511 INFO L860 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: true [2021-10-13 01:23:22,511 INFO L857 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2021-10-13 01:23:22,511 INFO L857 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2021-10-13 01:23:22,511 INFO L857 garLoopResultBuilder]: For program point ackermannEXIT(lines 16 24) no Hoare annotation was computed. [2021-10-13 01:23:22,511 INFO L853 garLoopResultBuilder]: At program point L23(line 23) the Hoare annotation is: (and (or (not (= |ackermann_#in~m| 0)) (not (<= |ackermann_#in~n| 1))) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|)) [2021-10-13 01:23:22,512 INFO L857 garLoopResultBuilder]: For program point L23-1(line 23) no Hoare annotation was computed. [2021-10-13 01:23:22,512 INFO L860 garLoopResultBuilder]: At program point ackermannENTRY(lines 16 24) the Hoare annotation is: true [2021-10-13 01:23:22,512 INFO L853 garLoopResultBuilder]: At program point L21(line 21) the Hoare annotation is: (and (= |ackermann_#in~n| 0) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|)) [2021-10-13 01:23:22,512 INFO L853 garLoopResultBuilder]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse0 (= |ackermann_#in~m| 0)) (.cse3 (<= 3 |ackermann_#t~ret8|)) (.cse5 (<= |ackermann_#in~n| 1)) (.cse2 (<= 5 |ackermann_#t~ret8|)) (.cse4 (<= |ackermann_#in~n| 2)) (.cse1 (<= 6 |ackermann_#t~ret8|))) (and (or .cse0 (not (<= |ackermann_#in~n| 0))) (or .cse1 (and (<= |ackermann_#in~n| 3) (<= 4 |ackermann_#t~ret8|)) (and .cse2 (<= |ackermann_#in~n| 4)) (not (<= 1 |ackermann_#in~m|)) (and .cse3 .cse4) .cse5) (let ((.cse8 (<= 2 ackermann_~m)) (.cse6 (= ackermann_~n |ackermann_#in~n|)) (.cse7 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 .cse6 .cse7) (and .cse8 .cse3 .cse6 .cse7 .cse5) (and (<= 1 ackermann_~m) .cse6 (<= 2 |ackermann_#t~ret8|) .cse7 (<= |ackermann_#in~m| 1)) (and .cse2 .cse8 .cse4 .cse6 (<= ackermann_~m 2) .cse7) (and .cse8 .cse1 .cse6 .cse7))))) [2021-10-13 01:23:22,512 INFO L857 garLoopResultBuilder]: For program point L20(lines 20 22) no Hoare annotation was computed. [2021-10-13 01:23:22,512 INFO L857 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2021-10-13 01:23:22,512 INFO L857 garLoopResultBuilder]: For program point L23-3(line 23) no Hoare annotation was computed. [2021-10-13 01:23:22,512 INFO L857 garLoopResultBuilder]: For program point L17(lines 17 19) no Hoare annotation was computed. [2021-10-13 01:23:22,513 INFO L857 garLoopResultBuilder]: For program point ackermannFINAL(lines 16 24) no Hoare annotation was computed. [2021-10-13 01:23:22,523 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:23:22,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:23:22 BoogieIcfgContainer [2021-10-13 01:23:22,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:23:22,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:23:22,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:23:22,538 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:23:22,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:23:02" (3/4) ... [2021-10-13 01:23:22,542 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:23:22,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ackermann [2021-10-13 01:23:22,555 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-13 01:23:22,555 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 01:23:22,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:23:22,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:23:22,604 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:23:22,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:23:22,606 INFO L168 Benchmark]: Toolchain (without parser) took 20634.95 ms. Allocated memory was 111.1 MB in the beginning and 197.1 MB in the end (delta: 86.0 MB). Free memory was 73.1 MB in the beginning and 77.7 MB in the end (delta: -4.5 MB). Peak memory consumption was 80.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:23:22,606 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 111.1 MB. Free memory is still 89.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:23:22,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.52 ms. Allocated memory is still 111.1 MB. Free memory was 73.0 MB in the beginning and 87.1 MB in the end (delta: -14.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:23:22,608 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.37 ms. Allocated memory is still 111.1 MB. Free memory was 86.6 MB in the beginning and 85.7 MB in the end (delta: 981.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:23:22,608 INFO L168 Benchmark]: Boogie Preprocessor took 18.81 ms. Allocated memory is still 111.1 MB. Free memory was 85.7 MB in the beginning and 84.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:23:22,608 INFO L168 Benchmark]: RCFGBuilder took 292.09 ms. Allocated memory is still 111.1 MB. Free memory was 84.5 MB in the beginning and 74.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:23:22,609 INFO L168 Benchmark]: TraceAbstraction took 19954.70 ms. Allocated memory was 111.1 MB in the beginning and 197.1 MB in the end (delta: 86.0 MB). Free memory was 74.1 MB in the beginning and 80.8 MB in the end (delta: -6.7 MB). Peak memory consumption was 117.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:23:22,609 INFO L168 Benchmark]: Witness Printer took 67.19 ms. Allocated memory is still 197.1 MB. Free memory was 80.8 MB in the beginning and 77.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:23:22,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 111.1 MB. Free memory is still 89.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 267.52 ms. Allocated memory is still 111.1 MB. Free memory was 73.0 MB in the beginning and 87.1 MB in the end (delta: -14.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.37 ms. Allocated memory is still 111.1 MB. Free memory was 86.6 MB in the beginning and 85.7 MB in the end (delta: 981.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.81 ms. Allocated memory is still 111.1 MB. Free memory was 85.7 MB in the beginning and 84.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 292.09 ms. Allocated memory is still 111.1 MB. Free memory was 84.5 MB in the beginning and 74.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19954.70 ms. Allocated memory was 111.1 MB in the beginning and 197.1 MB in the end (delta: 86.0 MB). Free memory was 74.1 MB in the beginning and 80.8 MB in the end (delta: -6.7 MB). Peak memory consumption was 117.5 MB. Max. memory is 16.1 GB. * Witness Printer took 67.19 ms. Allocated memory is still 197.1 MB. Free memory was 80.8 MB in the beginning and 77.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 45]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19860.1ms, OverallIterations: 11, TraceHistogramMax: 31, EmptinessCheckTime: 62.6ms, AutomataDifference: 4782.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2608.4ms, InitialAbstractionConstructionTime: 11.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 274 SDtfs, 317 SDslu, 1229 SDs, 0 SdLazy, 3414 SolverSat, 808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1765.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1840 GetRequests, 1508 SyntacticMatches, 0 SemanticMatches, 332 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2969 ImplicationChecksByTransitivity, 3143.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=10, InterpolantAutomatonStates: 241, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 210.4ms AutomataMinimizationTime, 11 MinimizatonAttempts, 89 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 6 LocationsWithAnnotation, 566 PreInvPairs, 1277 NumberOfFragments, 145 HoareAnnotationTreeSize, 566 FomulaSimplifications, 182134 FormulaSimplificationTreeSizeReduction, 1790.6ms HoareSimplificationTime, 6 FomulaSimplificationsInter, 3971 FormulaSimplificationTreeSizeReductionInter, 776.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 167.2ms SsaConstructionTime, 769.7ms SatisfiabilityAnalysisTime, 7182.0ms InterpolantComputationTime, 2326 NumberOfCodeBlocks, 2122 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2305 ConstructedInterpolants, 0 QuantifiedInterpolants, 4197 SizeOfPredicates, 65 NumberOfNonLiveVariables, 3034 ConjunctsInSsa, 207 ConjunctsInUnsatCore, 21 InterpolantComputations, 1 PerfectInterpolantSequences, 14042/17616 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 01:23:22,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5ae3ff-5666-4aee-bd62-e89358746279/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...