./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Ackermann03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/Ackermann03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be --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 c244f72db2906c596b7f122d769fc1464836d7d05d9227ee4269773d59ed10bd ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:09:35,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:09:35,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:09:35,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:09:35,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:09:35,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:09:35,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:09:35,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:09:35,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:09:35,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:09:35,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:09:35,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:09:35,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:09:35,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:09:35,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:09:35,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:09:35,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:09:35,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:09:35,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:09:35,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:09:36,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:09:36,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:09:36,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:09:36,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:09:36,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:09:36,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:09:36,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:09:36,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:09:36,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:09:36,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:09:36,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:09:36,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:09:36,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:09:36,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:09:36,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:09:36,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:09:36,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:09:36,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:09:36,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:09:36,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:09:36,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:09:36,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:09:36,105 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:09:36,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:09:36,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:09:36,108 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:09:36,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:09:36,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:09:36,118 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:09:36,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:09:36,119 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:09:36,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:09:36,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:09:36,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:09:36,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:09:36,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:09:36,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:09:36,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:09:36,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:09:36,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:09:36,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:09:36,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:09:36,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:09:36,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:09:36,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:09:36,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:09:36,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:09:36,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:09:36,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:09:36,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:09:36,134 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:09:36,135 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:09:36,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:09:36,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:09:36,136 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_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c244f72db2906c596b7f122d769fc1464836d7d05d9227ee4269773d59ed10bd [2021-10-21 19:09:36,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:09:36,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:09:36,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:09:36,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:09:36,534 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:09:36,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/recursive/Ackermann03.c [2021-10-21 19:09:36,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/data/8d109606c/6c86f60ce7df47aab88c46badee8563f/FLAG996829325 [2021-10-21 19:09:37,159 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:09:37,161 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/sv-benchmarks/c/recursive/Ackermann03.c [2021-10-21 19:09:37,173 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/data/8d109606c/6c86f60ce7df47aab88c46badee8563f/FLAG996829325 [2021-10-21 19:09:37,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/data/8d109606c/6c86f60ce7df47aab88c46badee8563f [2021-10-21 19:09:37,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:09:37,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:09:37,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:09:37,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:09:37,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:09:37,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:09:37" (1/1) ... [2021-10-21 19:09:37,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6dfdfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37, skipping insertion in model container [2021-10-21 19:09:37,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:09:37" (1/1) ... [2021-10-21 19:09:37,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:09:37,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:09:37,751 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_8a5e83b4-935a-4c25-84ab-c155dbc7da89/sv-benchmarks/c/recursive/Ackermann03.c[1168,1181] [2021-10-21 19:09:37,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:09:37,764 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:09:37,782 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_8a5e83b4-935a-4c25-84ab-c155dbc7da89/sv-benchmarks/c/recursive/Ackermann03.c[1168,1181] [2021-10-21 19:09:37,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:09:37,798 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:09:37,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37 WrapperNode [2021-10-21 19:09:37,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:09:37,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:09:37,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:09:37,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:09:37,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37" (1/1) ... [2021-10-21 19:09:37,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37" (1/1) ... [2021-10-21 19:09:37,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:09:37,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:09:37,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:09:37,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:09:37,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37" (1/1) ... [2021-10-21 19:09:37,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37" (1/1) ... [2021-10-21 19:09:37,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37" (1/1) ... [2021-10-21 19:09:37,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37" (1/1) ... [2021-10-21 19:09:37,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37" (1/1) ... [2021-10-21 19:09:37,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37" (1/1) ... [2021-10-21 19:09:37,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37" (1/1) ... [2021-10-21 19:09:37,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:09:37,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:09:37,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:09:37,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:09:37,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37" (1/1) ... [2021-10-21 19:09:37,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:09:37,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:09:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:09:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:09:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2021-10-21 19:09:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2021-10-21 19:09:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:09:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:09:38,210 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:09:38,211 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-21 19:09:38,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:38 BoogieIcfgContainer [2021-10-21 19:09:38,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:09:38,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:09:38,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:09:38,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:09:38,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:09:37" (1/3) ... [2021-10-21 19:09:38,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248f47ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:09:38, skipping insertion in model container [2021-10-21 19:09:38,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:37" (2/3) ... [2021-10-21 19:09:38,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248f47ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:09:38, skipping insertion in model container [2021-10-21 19:09:38,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:38" (3/3) ... [2021-10-21 19:09:38,232 INFO L111 eAbstractionObserver]: Analyzing ICFG Ackermann03.c [2021-10-21 19:09:38,240 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:09:38,240 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:09:38,301 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:09:38,310 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:09:38,310 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:09:38,329 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) [2021-10-21 19:09:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-21 19:09:38,336 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:38,337 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:38,338 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:38,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:38,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1470704041, now seen corresponding path program 1 times [2021-10-21 19:09:38,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:38,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061519170] [2021-10-21 19:09:38,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:38,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:09:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:38,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:38,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061519170] [2021-10-21 19:09:38,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061519170] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:38,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:38,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:09:38,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276728944] [2021-10-21 19:09:38,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:09:38,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:38,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:09:38,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:09:38,639 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) [2021-10-21 19:09:38,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:38,788 INFO L93 Difference]: Finished difference Result 51 states and 72 transitions. [2021-10-21 19:09:38,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:09:38,790 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 [2021-10-21 19:09:38,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:38,801 INFO L225 Difference]: With dead ends: 51 [2021-10-21 19:09:38,801 INFO L226 Difference]: Without dead ends: 25 [2021-10-21 19:09:38,823 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.4ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:09:38,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-10-21 19:09:38,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-10-21 19:09:38,880 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) [2021-10-21 19:09:38,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-10-21 19:09:38,889 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 12 [2021-10-21 19:09:38,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:38,889 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-21 19:09:38,890 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) [2021-10-21 19:09:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-10-21 19:09:38,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 19:09:38,893 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:38,894 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:38,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:09:38,894 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:38,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:38,896 INFO L82 PathProgramCache]: Analyzing trace with hash 941922339, now seen corresponding path program 1 times [2021-10-21 19:09:38,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:38,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461959532] [2021-10-21 19:09:38,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:38,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:38,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:09:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:39,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:09:39,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:39,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461959532] [2021-10-21 19:09:39,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461959532] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:39,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249525422] [2021-10-21 19:09:39,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:39,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:39,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:39,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:39,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:09:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:39,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:09:39,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:39,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:09:39,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249525422] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:39,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:39,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-21 19:09:39,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646760557] [2021-10-21 19:09:39,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:09:39,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:39,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:09:39,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:09:39,356 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) [2021-10-21 19:09:39,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:39,502 INFO L93 Difference]: Finished difference Result 49 states and 74 transitions. [2021-10-21 19:09:39,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:09:39,505 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 [2021-10-21 19:09:39,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:39,512 INFO L225 Difference]: With dead ends: 49 [2021-10-21 19:09:39,512 INFO L226 Difference]: Without dead ends: 27 [2021-10-21 19:09:39,515 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 60.7ms TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:09:39,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-21 19:09:39,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-21 19:09:39,535 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) [2021-10-21 19:09:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2021-10-21 19:09:39,540 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 19 [2021-10-21 19:09:39,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:39,545 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2021-10-21 19:09:39,546 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) [2021-10-21 19:09:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-10-21 19:09:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 19:09:39,551 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:39,552 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] [2021-10-21 19:09:39,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:39,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:39,769 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:39,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:39,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1893657534, now seen corresponding path program 1 times [2021-10-21 19:09:39,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:39,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404056996] [2021-10-21 19:09:39,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:39,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:39,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:09:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:39,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 19:09:39,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:39,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404056996] [2021-10-21 19:09:39,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404056996] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:39,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704743334] [2021-10-21 19:09:39,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:39,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:39,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:40,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:40,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:09:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:40,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:09:40,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:40,304 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 19:09:40,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704743334] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:40,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:40,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-10-21 19:09:40,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811453621] [2021-10-21 19:09:40,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:09:40,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:40,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:09:40,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:09:40,315 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) [2021-10-21 19:09:40,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:40,507 INFO L93 Difference]: Finished difference Result 74 states and 134 transitions. [2021-10-21 19:09:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:09:40,508 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 [2021-10-21 19:09:40,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:40,516 INFO L225 Difference]: With dead ends: 74 [2021-10-21 19:09:40,516 INFO L226 Difference]: Without dead ends: 50 [2021-10-21 19:09:40,523 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 53.5ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:09:40,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-21 19:09:40,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-10-21 19:09:40,551 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) [2021-10-21 19:09:40,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 76 transitions. [2021-10-21 19:09:40,559 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 76 transitions. Word has length 32 [2021-10-21 19:09:40,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:40,560 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 76 transitions. [2021-10-21 19:09:40,561 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) [2021-10-21 19:09:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2021-10-21 19:09:40,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-21 19:09:40,568 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:40,568 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] [2021-10-21 19:09:40,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:40,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:40,793 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:40,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:40,794 INFO L82 PathProgramCache]: Analyzing trace with hash -574784801, now seen corresponding path program 2 times [2021-10-21 19:09:40,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:40,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200712468] [2021-10-21 19:09:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:40,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:40,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:09:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:40,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:41,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:41,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:41,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:41,055 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-21 19:09:41,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:41,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200712468] [2021-10-21 19:09:41,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200712468] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:41,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573037772] [2021-10-21 19:09:41,057 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:09:41,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:41,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:41,059 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:41,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 19:09:41,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:09:41,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:09:41,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:09:41,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:41,342 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-21 19:09:41,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573037772] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:41,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:41,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2021-10-21 19:09:41,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527562324] [2021-10-21 19:09:41,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:09:41,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:41,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:09:41,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:09:41,346 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) [2021-10-21 19:09:41,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:41,491 INFO L93 Difference]: Finished difference Result 120 states and 227 transitions. [2021-10-21 19:09:41,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:09:41,492 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 [2021-10-21 19:09:41,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:41,499 INFO L225 Difference]: With dead ends: 120 [2021-10-21 19:09:41,499 INFO L226 Difference]: Without dead ends: 53 [2021-10-21 19:09:41,501 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 56.0ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:09:41,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-21 19:09:41,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-21 19:09:41,523 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) [2021-10-21 19:09:41,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-21 19:09:41,528 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 45 [2021-10-21 19:09:41,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:41,534 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-21 19:09:41,534 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) [2021-10-21 19:09:41,535 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-21 19:09:41,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-21 19:09:41,546 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:41,546 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] [2021-10-21 19:09:41,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-21 19:09:41,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:41,777 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:41,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:41,780 INFO L82 PathProgramCache]: Analyzing trace with hash -749766204, now seen corresponding path program 3 times [2021-10-21 19:09:41,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:41,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466063384] [2021-10-21 19:09:41,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:41,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:09:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:41,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:42,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:42,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:42,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-21 19:09:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:42,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:42,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-10-21 19:09:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:42,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:42,312 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 101 proven. 59 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-21 19:09:42,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:42,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466063384] [2021-10-21 19:09:42,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466063384] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:42,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200658191] [2021-10-21 19:09:42,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 19:09:42,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:42,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:42,323 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:42,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 19:09:42,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-10-21 19:09:42,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:09:42,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:09:42,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:42,750 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 98 proven. 19 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-21 19:09:42,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200658191] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:42,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:42,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 18 [2021-10-21 19:09:42,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924143812] [2021-10-21 19:09:42,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-21 19:09:42,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:42,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-21 19:09:42,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-10-21 19:09:42,761 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) [2021-10-21 19:09:43,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:43,336 INFO L93 Difference]: Finished difference Result 119 states and 222 transitions. [2021-10-21 19:09:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-21 19:09:43,337 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 [2021-10-21 19:09:43,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:43,340 INFO L225 Difference]: With dead ends: 119 [2021-10-21 19:09:43,340 INFO L226 Difference]: Without dead ends: 71 [2021-10-21 19:09:43,342 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 464.7ms TimeCoverageRelationStatistics Valid=261, Invalid=999, Unknown=0, NotChecked=0, Total=1260 [2021-10-21 19:09:43,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-21 19:09:43,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 53. [2021-10-21 19:09:43,365 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) [2021-10-21 19:09:43,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-21 19:09:43,367 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 79 [2021-10-21 19:09:43,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:43,368 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-21 19:09:43,368 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) [2021-10-21 19:09:43,369 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-21 19:09:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-10-21 19:09:43,372 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:43,388 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] [2021-10-21 19:09:43,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:43,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:43,609 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:43,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:43,609 INFO L82 PathProgramCache]: Analyzing trace with hash 373404425, now seen corresponding path program 4 times [2021-10-21 19:09:43,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:43,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83108168] [2021-10-21 19:09:43,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:43,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:09:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:43,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:43,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-21 19:09:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:09:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-10-21 19:09:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-21 19:09:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:09:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-10-21 19:09:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 539 proven. 527 refuted. 0 times theorem prover too weak. 1241 trivial. 0 not checked. [2021-10-21 19:09:44,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:44,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83108168] [2021-10-21 19:09:44,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83108168] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:44,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230869986] [2021-10-21 19:09:44,451 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-21 19:09:44,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:44,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:44,457 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:44,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 19:09:44,674 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-21 19:09:44,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:09:44,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 19:09:44,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:45,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 528 proven. 242 refuted. 0 times theorem prover too weak. 1537 trivial. 0 not checked. [2021-10-21 19:09:45,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230869986] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:45,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:45,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8] total 17 [2021-10-21 19:09:45,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417956015] [2021-10-21 19:09:45,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-21 19:09:45,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:45,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-21 19:09:45,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-10-21 19:09:45,407 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 10 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (28), 15 states have call predecessors, (28), 10 states have call successors, (28) [2021-10-21 19:09:45,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:45,782 INFO L93 Difference]: Finished difference Result 138 states and 256 transitions. [2021-10-21 19:09:45,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-21 19:09:45,783 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 10 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (28), 15 states have call predecessors, (28), 10 states have call successors, (28) Word has length 210 [2021-10-21 19:09:45,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:45,786 INFO L225 Difference]: With dead ends: 138 [2021-10-21 19:09:45,786 INFO L226 Difference]: Without dead ends: 60 [2021-10-21 19:09:45,788 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 185.3ms TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2021-10-21 19:09:45,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-21 19:09:45,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-21 19:09:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 42 states have internal predecessors, (46), 10 states have call successors, (10), 6 states have call predecessors, (10), 8 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) [2021-10-21 19:09:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2021-10-21 19:09:45,800 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 73 transitions. Word has length 210 [2021-10-21 19:09:45,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:45,801 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 73 transitions. [2021-10-21 19:09:45,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 10 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (28), 15 states have call predecessors, (28), 10 states have call successors, (28) [2021-10-21 19:09:45,801 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2021-10-21 19:09:45,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-21 19:09:45,803 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:45,803 INFO L512 BasicCegarLoop]: trace histogram [15, 15, 9, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:45,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:46,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:46,029 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:46,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:46,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1271355446, now seen corresponding path program 5 times [2021-10-21 19:09:46,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:46,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786588776] [2021-10-21 19:09:46,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:46,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:09:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-21 19:09:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-10-21 19:09:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 163 proven. 147 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-10-21 19:09:46,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:46,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786588776] [2021-10-21 19:09:46,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786588776] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:46,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439103999] [2021-10-21 19:09:46,421 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-21 19:09:46,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:46,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:46,423 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:46,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-21 19:09:46,671 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-21 19:09:46,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:09:46,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-21 19:09:46,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:47,029 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 286 proven. 71 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-10-21 19:09:47,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439103999] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:47,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:47,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13] total 18 [2021-10-21 19:09:47,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622195550] [2021-10-21 19:09:47,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-21 19:09:47,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:47,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-21 19:09:47,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-10-21 19:09:47,032 INFO L87 Difference]: Start difference. First operand 60 states and 73 transitions. Second operand has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 15 states have internal predecessors, (51), 10 states have call successors, (14), 2 states have call predecessors, (14), 9 states have return successors, (19), 10 states have call predecessors, (19), 10 states have call successors, (19) [2021-10-21 19:09:47,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:47,664 INFO L93 Difference]: Finished difference Result 108 states and 131 transitions. [2021-10-21 19:09:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-21 19:09:47,664 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 15 states have internal predecessors, (51), 10 states have call successors, (14), 2 states have call predecessors, (14), 9 states have return successors, (19), 10 states have call predecessors, (19), 10 states have call successors, (19) Word has length 105 [2021-10-21 19:09:47,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:47,666 INFO L225 Difference]: With dead ends: 108 [2021-10-21 19:09:47,666 INFO L226 Difference]: Without dead ends: 67 [2021-10-21 19:09:47,667 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 421.4ms TimeCoverageRelationStatistics Valid=309, Invalid=1251, Unknown=0, NotChecked=0, Total=1560 [2021-10-21 19:09:47,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-21 19:09:47,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2021-10-21 19:09:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 45 states have internal predecessors, (50), 11 states have call successors, (11), 7 states have call predecessors, (11), 8 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2021-10-21 19:09:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 78 transitions. [2021-10-21 19:09:47,687 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 78 transitions. Word has length 105 [2021-10-21 19:09:47,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:47,688 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 78 transitions. [2021-10-21 19:09:47,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 15 states have internal predecessors, (51), 10 states have call successors, (14), 2 states have call predecessors, (14), 9 states have return successors, (19), 10 states have call predecessors, (19), 10 states have call successors, (19) [2021-10-21 19:09:47,689 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2021-10-21 19:09:47,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-21 19:09:47,693 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:47,693 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] [2021-10-21 19:09:47,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:47,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:47,909 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:47,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:47,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1811622132, now seen corresponding path program 6 times [2021-10-21 19:09:47,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:47,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813734876] [2021-10-21 19:09:47,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:47,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:09:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-21 19:09:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-10-21 19:09:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 153 proven. 289 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2021-10-21 19:09:48,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:48,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813734876] [2021-10-21 19:09:48,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813734876] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:48,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75961621] [2021-10-21 19:09:48,400 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-21 19:09:48,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:48,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:48,401 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:48,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-21 19:09:48,762 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-10-21 19:09:48,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:09:48,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-21 19:09:48,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 475 proven. 114 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-10-21 19:09:49,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75961621] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:49,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:49,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 18 [2021-10-21 19:09:49,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315537402] [2021-10-21 19:09:49,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-21 19:09:49,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:49,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-21 19:09:49,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-10-21 19:09:49,306 INFO L87 Difference]: Start difference. First operand 64 states and 78 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) [2021-10-21 19:09:49,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:49,902 INFO L93 Difference]: Finished difference Result 122 states and 151 transitions. [2021-10-21 19:09:49,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-21 19:09:49,903 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 [2021-10-21 19:09:49,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:49,905 INFO L225 Difference]: With dead ends: 122 [2021-10-21 19:09:49,905 INFO L226 Difference]: Without dead ends: 77 [2021-10-21 19:09:49,907 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 451.5ms TimeCoverageRelationStatistics Valid=360, Invalid=1446, Unknown=0, NotChecked=0, Total=1806 [2021-10-21 19:09:49,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-21 19:09:49,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 69. [2021-10-21 19:09:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.127659574468085) internal successors, (53), 48 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 9 states have return successors, (19), 13 states have call predecessors, (19), 12 states have call successors, (19) [2021-10-21 19:09:49,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 84 transitions. [2021-10-21 19:09:49,919 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 84 transitions. Word has length 131 [2021-10-21 19:09:49,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:49,920 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 84 transitions. [2021-10-21 19:09:49,921 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) [2021-10-21 19:09:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2021-10-21 19:09:49,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-10-21 19:09:49,923 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:49,924 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] [2021-10-21 19:09:49,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:50,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:50,149 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:50,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:50,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1701842998, now seen corresponding path program 7 times [2021-10-21 19:09:50,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:50,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673451671] [2021-10-21 19:09:50,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:50,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:09:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-21 19:09:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:09:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-10-21 19:09:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:09:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 446 proven. 274 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2021-10-21 19:09:50,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:50,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673451671] [2021-10-21 19:09:50,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673451671] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:50,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773034337] [2021-10-21 19:09:50,873 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-21 19:09:50,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:50,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:50,875 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:50,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-21 19:09:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:51,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-21 19:09:51,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 421 proven. 286 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2021-10-21 19:09:51,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773034337] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:51,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:51,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 24 [2021-10-21 19:09:51,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524330498] [2021-10-21 19:09:51,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-21 19:09:51,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:51,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-21 19:09:51,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2021-10-21 19:09:51,784 INFO L87 Difference]: Start difference. First operand 69 states and 84 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) [2021-10-21 19:09:52,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:52,604 INFO L93 Difference]: Finished difference Result 134 states and 168 transitions. [2021-10-21 19:09:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-21 19:09:52,605 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 [2021-10-21 19:09:52,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:52,606 INFO L225 Difference]: With dead ends: 134 [2021-10-21 19:09:52,606 INFO L226 Difference]: Without dead ends: 90 [2021-10-21 19:09:52,609 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 652.6ms TimeCoverageRelationStatistics Valid=500, Invalid=2470, Unknown=0, NotChecked=0, Total=2970 [2021-10-21 19:09:52,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-10-21 19:09:52,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 74. [2021-10-21 19:09:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.12) internal successors, (56), 51 states have internal predecessors, (56), 13 states have call successors, (13), 7 states have call predecessors, (13), 10 states have return successors, (23), 15 states have call predecessors, (23), 13 states have call successors, (23) [2021-10-21 19:09:52,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 92 transitions. [2021-10-21 19:09:52,620 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 92 transitions. Word has length 157 [2021-10-21 19:09:52,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:52,621 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 92 transitions. [2021-10-21 19:09:52,621 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) [2021-10-21 19:09:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2021-10-21 19:09:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-10-21 19:09:52,625 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:52,625 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] [2021-10-21 19:09:52,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:52,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:52,853 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:52,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:52,853 INFO L82 PathProgramCache]: Analyzing trace with hash 332854534, now seen corresponding path program 8 times [2021-10-21 19:09:52,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:52,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181616735] [2021-10-21 19:09:52,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:52,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:52,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:09:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-21 19:09:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:09:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-10-21 19:09:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:09:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-10-21 19:09:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-10-21 19:09:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:53,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 600 proven. 156 refuted. 0 times theorem prover too weak. 985 trivial. 0 not checked. [2021-10-21 19:09:53,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:53,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181616735] [2021-10-21 19:09:53,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181616735] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:53,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207117045] [2021-10-21 19:09:53,677 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:09:53,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:53,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:53,685 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:53,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-21 19:09:54,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:09:54,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:09:54,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 79 conjunts are in the unsatisfiable core [2021-10-21 19:09:54,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:54,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 583 proven. 158 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2021-10-21 19:09:54,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207117045] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:54,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:54,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 25 [2021-10-21 19:09:54,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594184277] [2021-10-21 19:09:54,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-10-21 19:09:54,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:54,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-10-21 19:09:54,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=550, Unknown=0, NotChecked=0, Total=600 [2021-10-21 19:09:54,781 INFO L87 Difference]: Start difference. First operand 74 states and 92 transitions. Second operand has 25 states, 25 states have (on average 1.56) internal successors, (39), 18 states have internal predecessors, (39), 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) [2021-10-21 19:09:56,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:56,300 INFO L93 Difference]: Finished difference Result 131 states and 174 transitions. [2021-10-21 19:09:56,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-21 19:09:56,301 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.56) internal successors, (39), 18 states have internal predecessors, (39), 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 [2021-10-21 19:09:56,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:56,303 INFO L225 Difference]: With dead ends: 131 [2021-10-21 19:09:56,303 INFO L226 Difference]: Without dead ends: 124 [2021-10-21 19:09:56,305 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 235 SyntacticMatches, 7 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 1058.1ms TimeCoverageRelationStatistics Valid=255, Invalid=2715, Unknown=0, NotChecked=0, Total=2970 [2021-10-21 19:09:56,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-21 19:09:56,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 96. [2021-10-21 19:09:56,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 64 states have (on average 1.109375) internal successors, (71), 65 states have internal predecessors, (71), 17 states have call successors, (17), 8 states have call predecessors, (17), 14 states have return successors, (43), 22 states have call predecessors, (43), 17 states have call successors, (43) [2021-10-21 19:09:56,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 131 transitions. [2021-10-21 19:09:56,323 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 131 transitions. Word has length 183 [2021-10-21 19:09:56,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:56,324 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 131 transitions. [2021-10-21 19:09:56,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.56) internal successors, (39), 18 states have internal predecessors, (39), 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) [2021-10-21 19:09:56,325 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 131 transitions. [2021-10-21 19:09:56,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-10-21 19:09:56,328 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:56,328 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] [2021-10-21 19:09:56,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:56,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-21 19:09:56,549 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:56,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:56,549 INFO L82 PathProgramCache]: Analyzing trace with hash -860565711, now seen corresponding path program 9 times [2021-10-21 19:09:56,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:56,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914834393] [2021-10-21 19:09:56,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:56,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:09:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-21 19:09:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:09:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-10-21 19:09:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:57,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:57,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:57,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:57,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:09:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-10-21 19:09:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 503 proven. 360 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-10-21 19:09:57,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:57,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914834393] [2021-10-21 19:09:57,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914834393] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:57,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497001653] [2021-10-21 19:09:57,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 19:09:57,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:57,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:57,157 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:57,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-21 19:09:57,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-10-21 19:09:57,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:09:57,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-21 19:09:57,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 477 proven. 372 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-10-21 19:09:58,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497001653] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:58,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:58,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 25 [2021-10-21 19:09:58,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215231790] [2021-10-21 19:09:58,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-10-21 19:09:58,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:58,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-10-21 19:09:58,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2021-10-21 19:09:58,186 INFO L87 Difference]: Start difference. First operand 96 states and 131 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) [2021-10-21 19:09:58,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:58,976 INFO L93 Difference]: Finished difference Result 203 states and 277 transitions. [2021-10-21 19:09:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-21 19:09:58,977 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 [2021-10-21 19:09:58,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:58,979 INFO L225 Difference]: With dead ends: 203 [2021-10-21 19:09:58,979 INFO L226 Difference]: Without dead ends: 132 [2021-10-21 19:09:58,981 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 611.0ms TimeCoverageRelationStatistics Valid=619, Invalid=3041, Unknown=0, NotChecked=0, Total=3660 [2021-10-21 19:09:58,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-21 19:09:58,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 93. [2021-10-21 19:09:58,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 62 states have (on average 1.1129032258064515) internal successors, (69), 63 states have internal predecessors, (69), 17 states have call successors, (17), 8 states have call predecessors, (17), 13 states have return successors, (38), 21 states have call predecessors, (38), 17 states have call successors, (38) [2021-10-21 19:09:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 124 transitions. [2021-10-21 19:09:58,996 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 124 transitions. Word has length 170 [2021-10-21 19:09:58,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:58,997 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 124 transitions. [2021-10-21 19:09:58,998 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) [2021-10-21 19:09:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 124 transitions. [2021-10-21 19:09:59,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-10-21 19:09:59,001 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:59,001 INFO L512 BasicCegarLoop]: trace histogram [29, 29, 16, 13, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:59,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:59,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:59,229 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:59,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:59,229 INFO L82 PathProgramCache]: Analyzing trace with hash 530318069, now seen corresponding path program 10 times [2021-10-21 19:09:59,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:59,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012801944] [2021-10-21 19:09:59,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:59,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:09:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-21 19:09:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:09:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-10-21 19:09:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:09:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:09:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:09:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:09:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-10-21 19:09:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-10-21 19:09:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-10-21 19:09:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2020 backedges. 665 proven. 517 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2021-10-21 19:09:59,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:59,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012801944] [2021-10-21 19:09:59,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012801944] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:59,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653239385] [2021-10-21 19:09:59,844 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-21 19:09:59,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:59,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:59,849 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:59,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-21 19:10:00,334 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-21 19:10:00,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:10:00,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-21 19:10:00,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:10:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2020 backedges. 647 proven. 519 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2021-10-21 19:10:00,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653239385] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:10:00,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:10:00,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 27 [2021-10-21 19:10:00,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301979533] [2021-10-21 19:10:00,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-10-21 19:10:00,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:10:00,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-10-21 19:10:00,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=604, Unknown=0, NotChecked=0, Total=702 [2021-10-21 19:10:00,931 INFO L87 Difference]: Start difference. First operand 93 states and 124 transitions. Second operand has 27 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 23 states have internal predecessors, (66), 15 states have call successors, (18), 1 states have call predecessors, (18), 16 states have return successors, (35), 18 states have call predecessors, (35), 15 states have call successors, (35) [2021-10-21 19:10:01,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:10:01,553 INFO L93 Difference]: Finished difference Result 207 states and 270 transitions. [2021-10-21 19:10:01,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-21 19:10:01,554 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 23 states have internal predecessors, (66), 15 states have call successors, (18), 1 states have call predecessors, (18), 16 states have return successors, (35), 18 states have call predecessors, (35), 15 states have call successors, (35) Word has length 196 [2021-10-21 19:10:01,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:10:01,556 INFO L225 Difference]: With dead ends: 207 [2021-10-21 19:10:01,556 INFO L226 Difference]: Without dead ends: 134 [2021-10-21 19:10:01,558 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 407.5ms TimeCoverageRelationStatistics Valid=439, Invalid=2213, Unknown=0, NotChecked=0, Total=2652 [2021-10-21 19:10:01,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-10-21 19:10:01,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 98. [2021-10-21 19:10:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 65 states have (on average 1.0923076923076922) internal successors, (71), 66 states have internal predecessors, (71), 18 states have call successors, (18), 8 states have call predecessors, (18), 14 states have return successors, (40), 23 states have call predecessors, (40), 18 states have call successors, (40) [2021-10-21 19:10:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 129 transitions. [2021-10-21 19:10:01,572 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 129 transitions. Word has length 196 [2021-10-21 19:10:01,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:10:01,573 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 129 transitions. [2021-10-21 19:10:01,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 23 states have internal predecessors, (66), 15 states have call successors, (18), 1 states have call predecessors, (18), 16 states have return successors, (35), 18 states have call predecessors, (35), 15 states have call successors, (35) [2021-10-21 19:10:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 129 transitions. [2021-10-21 19:10:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-10-21 19:10:01,578 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:10:01,578 INFO L512 BasicCegarLoop]: trace histogram [31, 31, 17, 14, 13, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:10:01,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:10:01,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:10:01,805 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:10:01,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:10:01,805 INFO L82 PathProgramCache]: Analyzing trace with hash 660925528, now seen corresponding path program 11 times [2021-10-21 19:10:01,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:10:01,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301908010] [2021-10-21 19:10:01,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:10:01,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:10:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:10:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:10:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-21 19:10:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:10:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:10:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:10:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-10-21 19:10:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-10-21 19:10:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:10:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:10:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:10:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-10-21 19:10:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-10-21 19:10:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-10-21 19:10:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:02,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2320 backedges. 268 proven. 783 refuted. 0 times theorem prover too weak. 1269 trivial. 0 not checked. [2021-10-21 19:10:02,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:10:02,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301908010] [2021-10-21 19:10:02,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301908010] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:10:02,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007858611] [2021-10-21 19:10:02,363 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-21 19:10:02,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:10:02,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:10:02,364 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:10:02,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-21 19:10:02,980 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-10-21 19:10:02,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:10:02,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-21 19:10:02,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:10:03,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2320 backedges. 1296 proven. 226 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2021-10-21 19:10:03,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007858611] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:10:03,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:10:03,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15] total 30 [2021-10-21 19:10:03,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865184181] [2021-10-21 19:10:03,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-21 19:10:03,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:10:03,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-21 19:10:03,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=770, Unknown=0, NotChecked=0, Total=870 [2021-10-21 19:10:03,678 INFO L87 Difference]: Start difference. First operand 98 states and 129 transitions. Second operand has 30 states, 30 states have (on average 2.566666666666667) internal successors, (77), 24 states have internal predecessors, (77), 16 states have call successors, (23), 2 states have call predecessors, (23), 18 states have return successors, (38), 21 states have call predecessors, (38), 16 states have call successors, (38) [2021-10-21 19:10:04,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:10:04,499 INFO L93 Difference]: Finished difference Result 195 states and 267 transitions. [2021-10-21 19:10:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-21 19:10:04,500 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.566666666666667) internal successors, (77), 24 states have internal predecessors, (77), 16 states have call successors, (23), 2 states have call predecessors, (23), 18 states have return successors, (38), 21 states have call predecessors, (38), 16 states have call successors, (38) Word has length 209 [2021-10-21 19:10:04,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:10:04,503 INFO L225 Difference]: With dead ends: 195 [2021-10-21 19:10:04,503 INFO L226 Difference]: Without dead ends: 124 [2021-10-21 19:10:04,506 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 802 ImplicationChecksByTransitivity, 585.7ms TimeCoverageRelationStatistics Valid=427, Invalid=2543, Unknown=0, NotChecked=0, Total=2970 [2021-10-21 19:10:04,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-21 19:10:04,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 113. [2021-10-21 19:10:04,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 77 states have (on average 1.077922077922078) internal successors, (83), 78 states have internal predecessors, (83), 20 states have call successors, (20), 13 states have call predecessors, (20), 15 states have return successors, (33), 21 states have call predecessors, (33), 20 states have call successors, (33) [2021-10-21 19:10:04,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 136 transitions. [2021-10-21 19:10:04,520 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 136 transitions. Word has length 209 [2021-10-21 19:10:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:10:04,521 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 136 transitions. [2021-10-21 19:10:04,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.566666666666667) internal successors, (77), 24 states have internal predecessors, (77), 16 states have call successors, (23), 2 states have call predecessors, (23), 18 states have return successors, (38), 21 states have call predecessors, (38), 16 states have call successors, (38) [2021-10-21 19:10:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 136 transitions. [2021-10-21 19:10:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-10-21 19:10:04,525 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:10:04,525 INFO L512 BasicCegarLoop]: trace histogram [44, 44, 24, 20, 19, 19, 19, 19, 19, 19, 19, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:10:04,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:10:04,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-21 19:10:04,745 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:10:04,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:10:04,745 INFO L82 PathProgramCache]: Analyzing trace with hash 462778554, now seen corresponding path program 12 times [2021-10-21 19:10:04,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:10:04,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229480533] [2021-10-21 19:10:04,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:10:04,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:10:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-21 19:10:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:10:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-21 19:10:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:10:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:10:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:10:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-10-21 19:10:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:10:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:10:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:10:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-10-21 19:10:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-10-21 19:10:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-10-21 19:10:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-21 19:10:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-21 19:10:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-10-21 19:10:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-10-21 19:10:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-10-21 19:10:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-10-21 19:10:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-10-21 19:10:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-10-21 19:10:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4764 backedges. 233 proven. 548 refuted. 0 times theorem prover too weak. 3983 trivial. 0 not checked. [2021-10-21 19:10:05,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:10:05,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229480533] [2021-10-21 19:10:05,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229480533] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:10:05,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618938161] [2021-10-21 19:10:05,533 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-21 19:10:05,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:10:05,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:10:05,537 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:10:05,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-21 19:10:06,483 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2021-10-21 19:10:06,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:10:06,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-21 19:10:06,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:10:07,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4764 backedges. 215 proven. 426 refuted. 0 times theorem prover too weak. 4123 trivial. 0 not checked. [2021-10-21 19:10:07,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618938161] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:10:07,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:10:07,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2021-10-21 19:10:07,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711032758] [2021-10-21 19:10:07,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-21 19:10:07,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:10:07,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-21 19:10:07,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-10-21 19:10:07,281 INFO L87 Difference]: Start difference. First operand 113 states and 136 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 9 states have call successors, (13), 1 states have call predecessors, (13), 8 states have return successors, (18), 10 states have call predecessors, (18), 9 states have call successors, (18) [2021-10-21 19:10:07,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:10:07,485 INFO L93 Difference]: Finished difference Result 116 states and 139 transitions. [2021-10-21 19:10:07,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 19:10:07,486 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 9 states have call successors, (13), 1 states have call predecessors, (13), 8 states have return successors, (18), 10 states have call predecessors, (18), 9 states have call successors, (18) Word has length 294 [2021-10-21 19:10:07,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:10:07,489 INFO L225 Difference]: With dead ends: 116 [2021-10-21 19:10:07,490 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:10:07,493 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 106.3ms TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2021-10-21 19:10:07,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:10:07,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:10:07,494 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) [2021-10-21 19:10:07,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:10:07,494 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 294 [2021-10-21 19:10:07,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:10:07,495 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:10:07,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 9 states have call successors, (13), 1 states have call predecessors, (13), 8 states have return successors, (18), 10 states have call predecessors, (18), 9 states have call successors, (18) [2021-10-21 19:10:07,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:10:07,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:10:07,499 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:10:07,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-10-21 19:10:07,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-21 19:10:07,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:10:07,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:07,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:08,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:10:10,319 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:10:10,319 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:10:10,319 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:10:10,319 INFO L857 garLoopResultBuilder]: For program point L29(lines 29 33) no Hoare annotation was computed. [2021-10-21 19:10:10,319 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:10:10,319 INFO L860 garLoopResultBuilder]: At program point L27(lines 27 47) the Hoare annotation is: true [2021-10-21 19:10:10,320 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2021-10-21 19:10:10,320 INFO L857 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2021-10-21 19:10:10,320 INFO L857 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2021-10-21 19:10:10,320 INFO L860 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: true [2021-10-21 19:10:10,320 INFO L857 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2021-10-21 19:10:10,320 INFO L857 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2021-10-21 19:10:10,320 INFO L857 garLoopResultBuilder]: For program point ackermannEXIT(lines 16 24) no Hoare annotation was computed. [2021-10-21 19:10:10,321 INFO L853 garLoopResultBuilder]: At program point L23(line 23) the Hoare annotation is: (and (not (= |ackermann_#in~n| 0)) (= ackermann_~n |ackermann_#in~n|) (or (<= 1 ackermann_~m) (not (<= 0 |ackermann_#in~m|)) (not (<= |ackermann_#in~n| 1))) (= ackermann_~m |ackermann_#in~m|)) [2021-10-21 19:10:10,321 INFO L857 garLoopResultBuilder]: For program point L23-1(line 23) no Hoare annotation was computed. [2021-10-21 19:10:10,321 INFO L860 garLoopResultBuilder]: At program point ackermannENTRY(lines 16 24) the Hoare annotation is: true [2021-10-21 19:10:10,321 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|)) [2021-10-21 19:10:10,321 INFO L853 garLoopResultBuilder]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse5 (<= 3 |ackermann_#t~ret8|)) (.cse11 (<= |ackermann_#in~m| 1))) (let ((.cse0 (= |ackermann_#in~m| 0)) (.cse1 (not .cse11)) (.cse4 (not (<= 1 |ackermann_#in~m|))) (.cse8 (= |ackermann_#t~ret8| 3)) (.cse9 (<= 2 |ackermann_#in~n|)) (.cse10 (and .cse5 (<= 3 |ackermann_#in~m|))) (.cse7 (<= 3 |ackermann_#in~n|)) (.cse2 (<= 5 |ackermann_#t~ret8|)) (.cse3 (<= |ackermann_#t~ret8| 5)) (.cse6 (<= |ackermann_#in~n| 1))) (and (or (not (<= |ackermann_#in~m| 0)) .cse0) (= ackermann_~n |ackermann_#in~n|) (or .cse1 (and (<= 6 |ackermann_#t~ret8|) (<= |ackermann_#t~ret8| 6) (<= 5 |ackermann_#in~n|)) (and .cse2 .cse3 (<= |ackermann_#in~n| 4)) (and .cse2 (<= 6 |ackermann_#in~n|)) (and (<= |ackermann_#in~n| 3) (<= 4 |ackermann_#t~ret8|)) .cse4 (and .cse5 (<= |ackermann_#in~n| 2)) .cse6) (or .cse0 (not (<= |ackermann_#in~n| 0))) (or (and (<= |ackermann_#t~ret8| 4) .cse7) .cse1 (<= 4 |ackermann_#in~n|) .cse4 (and .cse8 .cse9) (= |ackermann_#t~ret8| 2)) (or .cse10 .cse8 .cse9 .cse11) (= ackermann_~m |ackermann_#in~m|) (let ((.cse12 (<= 2 ackermann_~m)) (.cse13 (<= ackermann_~m 2))) (or .cse10 (and .cse2 .cse12 .cse7 .cse13) (<= ackermann_~m 1) (and .cse2 .cse12 .cse3 .cse13) .cse6))))) [2021-10-21 19:10:10,321 INFO L857 garLoopResultBuilder]: For program point L20(lines 20 22) no Hoare annotation was computed. [2021-10-21 19:10:10,322 INFO L857 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2021-10-21 19:10:10,322 INFO L857 garLoopResultBuilder]: For program point L23-3(line 23) no Hoare annotation was computed. [2021-10-21 19:10:10,322 INFO L857 garLoopResultBuilder]: For program point L17(lines 17 19) no Hoare annotation was computed. [2021-10-21 19:10:10,322 INFO L857 garLoopResultBuilder]: For program point ackermannFINAL(lines 16 24) no Hoare annotation was computed. [2021-10-21 19:10:10,327 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:10:10,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:10:10 BoogieIcfgContainer [2021-10-21 19:10:10,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:10:10,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:10:10,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:10:10,346 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:10:10,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:38" (3/4) ... [2021-10-21 19:10:10,350 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:10:10,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ackermann [2021-10-21 19:10:10,378 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-21 19:10:10,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:10:10,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:10:10,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:10:10,435 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:10:10,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:10:10,437 INFO L168 Benchmark]: Toolchain (without parser) took 32913.38 ms. Allocated memory was 96.5 MB in the beginning and 283.1 MB in the end (delta: 186.6 MB). Free memory was 61.9 MB in the beginning and 235.9 MB in the end (delta: -174.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:10:10,437 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory was 68.5 MB in the beginning and 68.5 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:10:10,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.18 ms. Allocated memory is still 96.5 MB. Free memory was 61.5 MB in the beginning and 72.2 MB in the end (delta: -10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:10:10,439 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.73 ms. Allocated memory is still 96.5 MB. Free memory was 72.2 MB in the beginning and 70.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:10:10,439 INFO L168 Benchmark]: Boogie Preprocessor took 22.89 ms. Allocated memory is still 96.5 MB. Free memory was 70.9 MB in the beginning and 69.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:10:10,440 INFO L168 Benchmark]: RCFGBuilder took 351.83 ms. Allocated memory is still 96.5 MB. Free memory was 69.7 MB in the beginning and 59.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:10:10,440 INFO L168 Benchmark]: TraceAbstraction took 32129.87 ms. Allocated memory was 96.5 MB in the beginning and 283.1 MB in the end (delta: 186.6 MB). Free memory was 59.5 MB in the beginning and 239.0 MB in the end (delta: -179.5 MB). Peak memory consumption was 176.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:10:10,441 INFO L168 Benchmark]: Witness Printer took 89.05 ms. Allocated memory is still 283.1 MB. Free memory was 239.0 MB in the beginning and 235.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:10:10,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory was 68.5 MB in the beginning and 68.5 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 275.18 ms. Allocated memory is still 96.5 MB. Free memory was 61.5 MB in the beginning and 72.2 MB in the end (delta: -10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.73 ms. Allocated memory is still 96.5 MB. Free memory was 72.2 MB in the beginning and 70.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.89 ms. Allocated memory is still 96.5 MB. Free memory was 70.9 MB in the beginning and 69.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 351.83 ms. Allocated memory is still 96.5 MB. Free memory was 69.7 MB in the beginning and 59.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 32129.87 ms. Allocated memory was 96.5 MB in the beginning and 283.1 MB in the end (delta: 186.6 MB). Free memory was 59.5 MB in the beginning and 239.0 MB in the end (delta: -179.5 MB). Peak memory consumption was 176.5 MB. Max. memory is 16.1 GB. * Witness Printer took 89.05 ms. Allocated memory is still 283.1 MB. Free memory was 239.0 MB in the beginning and 235.9 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: 32027.7ms, OverallIterations: 14, TraceHistogramMax: 44, EmptinessCheckTime: 67.7ms, AutomataDifference: 7743.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2597.5ms, InitialAbstractionConstructionTime: 14.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 386 SDtfs, 424 SDslu, 2053 SDs, 0 SdLazy, 5542 SolverSat, 941 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3192.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2825 GetRequests, 2370 SyntacticMatches, 7 SemanticMatches, 448 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4351 ImplicationChecksByTransitivity, 5142.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=13, InterpolantAutomatonStates: 312, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 273.7ms AutomataMinimizationTime, 14 MinimizatonAttempts, 159 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 6 LocationsWithAnnotation, 502 PreInvPairs, 863 NumberOfFragments, 198 HoareAnnotationTreeSize, 502 FomulaSimplifications, 124055 FormulaSimplificationTreeSizeReduction, 1248.5ms HoareSimplificationTime, 6 FomulaSimplificationsInter, 8063 FormulaSimplificationTreeSizeReductionInter, 1322.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 277.6ms SsaConstructionTime, 1454.4ms SatisfiabilityAnalysisTime, 12862.3ms InterpolantComputationTime, 3672 NumberOfCodeBlocks, 3435 NumberOfCodeBlocksAsserted, 99 NumberOfCheckSat, 3645 ConstructedInterpolants, 0 QuantifiedInterpolants, 6726 SizeOfPredicates, 86 NumberOfNonLiveVariables, 4983 ConjunctsInSsa, 339 ConjunctsInUnsatCore, 27 InterpolantComputations, 1 PerfectInterpolantSequences, 29011/35170 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! [2021-10-21 19:10:10,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5e83b4-935a-4c25-84ab-c155dbc7da89/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...