./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0208408d43bfed3fb8998dae24b66601d82afc9c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:03:12,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:03:12,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:03:12,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:03:12,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:03:12,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:03:12,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:03:12,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:03:12,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:03:12,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:03:12,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:03:12,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:03:12,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:03:12,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:03:12,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:03:12,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:03:12,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:03:12,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:03:12,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:03:12,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:03:12,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:03:12,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:03:12,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:03:12,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:03:12,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:03:12,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:03:12,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:03:12,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:03:12,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:03:12,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:03:12,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:03:12,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:03:12,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:03:12,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:03:12,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:03:12,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:03:12,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:03:12,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:03:12,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:03:12,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:03:12,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:03:12,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:03:12,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:03:12,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:03:12,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:03:12,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:03:12,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:03:12,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:03:12,274 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:03:12,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:03:12,275 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:03:12,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:03:12,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:03:12,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:03:12,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:03:12,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:03:12,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:03:12,277 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:03:12,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:03:12,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:03:12,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:03:12,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:03:12,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:03:12,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:03:12,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:03:12,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:03:12,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:03:12,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:03:12,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:03:12,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:03:12,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:03:12,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:03:12,283 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_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0208408d43bfed3fb8998dae24b66601d82afc9c [2021-10-13 00:03:12,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:03:12,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:03:12,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:03:12,564 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:03:12,565 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:03:12,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c [2021-10-13 00:03:12,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/data/f2cc7283c/85b1200d4ad844a0afc1e00c0b544606/FLAGa0d346fba [2021-10-13 00:03:13,071 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:03:13,071 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c [2021-10-13 00:03:13,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/data/f2cc7283c/85b1200d4ad844a0afc1e00c0b544606/FLAGa0d346fba [2021-10-13 00:03:13,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/data/f2cc7283c/85b1200d4ad844a0afc1e00c0b544606 [2021-10-13 00:03:13,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:03:13,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:03:13,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:03:13,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:03:13,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:03:13,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:03:13" (1/1) ... [2021-10-13 00:03:13,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5743de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13, skipping insertion in model container [2021-10-13 00:03:13,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:03:13" (1/1) ... [2021-10-13 00:03:13,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:03:13,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:03:13,307 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_8e2e492f-09df-4bdd-95ff-0a84c0e179de/sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c[946,959] [2021-10-13 00:03:13,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:03:13,319 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:03:13,335 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_8e2e492f-09df-4bdd-95ff-0a84c0e179de/sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c[946,959] [2021-10-13 00:03:13,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:03:13,349 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:03:13,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13 WrapperNode [2021-10-13 00:03:13,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:03:13,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:03:13,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:03:13,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:03:13,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13" (1/1) ... [2021-10-13 00:03:13,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13" (1/1) ... [2021-10-13 00:03:13,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:03:13,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:03:13,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:03:13,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:03:13,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13" (1/1) ... [2021-10-13 00:03:13,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13" (1/1) ... [2021-10-13 00:03:13,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13" (1/1) ... [2021-10-13 00:03:13,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13" (1/1) ... [2021-10-13 00:03:13,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13" (1/1) ... [2021-10-13 00:03:13,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13" (1/1) ... [2021-10-13 00:03:13,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13" (1/1) ... [2021-10-13 00:03:13,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:03:13,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:03:13,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:03:13,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:03:13,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13" (1/1) ... [2021-10-13 00:03:13,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:03:13,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:03:13,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:03:13,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:03:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:03:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-10-13 00:03:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-10-13 00:03:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:03:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-10-13 00:03:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-10-13 00:03:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:03:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:03:13,754 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:03:13,754 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 00:03:13,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:03:13 BoogieIcfgContainer [2021-10-13 00:03:13,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:03:13,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:03:13,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:03:13,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:03:13,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:03:13" (1/3) ... [2021-10-13 00:03:13,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ba6d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:03:13, skipping insertion in model container [2021-10-13 00:03:13,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:13" (2/3) ... [2021-10-13 00:03:13,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ba6d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:03:13, skipping insertion in model container [2021-10-13 00:03:13,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:03:13" (3/3) ... [2021-10-13 00:03:13,773 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_4-1.c [2021-10-13 00:03:13,779 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:03:13,779 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:03:13,840 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:03:13,847 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:03:13,848 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:03:13,865 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-13 00:03:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 00:03:13,871 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:03:13,872 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:03:13,873 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:03:13,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:13,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1123300790, now seen corresponding path program 1 times [2021-10-13 00:03:13,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:13,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797511177] [2021-10-13 00:03:13,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:13,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 00:03:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:14,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:03:14,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:03:14,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797511177] [2021-10-13 00:03:14,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797511177] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:03:14,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:03:14,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:03:14,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95113716] [2021-10-13 00:03:14,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:03:14,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:03:14,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:03:14,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:03:14,118 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:03:14,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:03:14,192 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2021-10-13 00:03:14,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:03:14,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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 10 [2021-10-13 00:03:14,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:03:14,201 INFO L225 Difference]: With dead ends: 39 [2021-10-13 00:03:14,201 INFO L226 Difference]: Without dead ends: 27 [2021-10-13 00:03:14,203 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.4ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:03:14,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-13 00:03:14,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-13 00:03:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-13 00:03:14,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-10-13 00:03:14,273 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 10 [2021-10-13 00:03:14,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:03:14,282 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-10-13 00:03:14,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:03:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-10-13 00:03:14,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 00:03:14,284 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:03:14,290 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:03:14,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:03:14,291 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:03:14,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:14,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1177745932, now seen corresponding path program 1 times [2021-10-13 00:03:14,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:14,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018697706] [2021-10-13 00:03:14,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:14,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:14,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 00:03:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:14,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:03:14,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:03:14,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018697706] [2021-10-13 00:03:14,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018697706] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:03:14,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:03:14,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:03:14,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972806844] [2021-10-13 00:03:14,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:03:14,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:03:14,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:03:14,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:03:14,372 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:03:14,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:03:14,459 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2021-10-13 00:03:14,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:03:14,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 11 [2021-10-13 00:03:14,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:03:14,462 INFO L225 Difference]: With dead ends: 33 [2021-10-13 00:03:14,462 INFO L226 Difference]: Without dead ends: 29 [2021-10-13 00:03:14,463 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.6ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:03:14,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-13 00:03:14,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2021-10-13 00:03:14,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-13 00:03:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-10-13 00:03:14,484 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 11 [2021-10-13 00:03:14,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:03:14,484 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-10-13 00:03:14,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:03:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-10-13 00:03:14,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 00:03:14,486 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:03:14,487 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:03:14,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:03:14,487 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:03:14,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:14,488 INFO L82 PathProgramCache]: Analyzing trace with hash 2110588723, now seen corresponding path program 1 times [2021-10-13 00:03:14,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:14,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185382508] [2021-10-13 00:03:14,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:14,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:14,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 00:03:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:14,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:14,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-10-13 00:03:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:14,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:03:14,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:03:14,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185382508] [2021-10-13 00:03:14,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185382508] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:14,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388535402] [2021-10-13 00:03:14,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:14,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:14,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:03:14,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:03:14,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:03:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:14,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:03:14,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:03:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:03:15,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388535402] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:15,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:03:15,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-10-13 00:03:15,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076891191] [2021-10-13 00:03:15,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 00:03:15,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:03:15,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 00:03:15,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:03:15,011 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 10 states, 8 states have (on average 3.25) internal successors, (26), 10 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:03:15,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:03:15,207 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-13 00:03:15,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 00:03:15,209 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.25) internal successors, (26), 10 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 6 states have call successors, (6) Word has length 23 [2021-10-13 00:03:15,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:03:15,211 INFO L225 Difference]: With dead ends: 55 [2021-10-13 00:03:15,213 INFO L226 Difference]: Without dead ends: 31 [2021-10-13 00:03:15,216 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 124.4ms TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-10-13 00:03:15,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-13 00:03:15,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2021-10-13 00:03:15,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2021-10-13 00:03:15,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2021-10-13 00:03:15,237 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 23 [2021-10-13 00:03:15,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:03:15,238 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-10-13 00:03:15,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.25) internal successors, (26), 10 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 00:03:15,239 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-10-13 00:03:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:03:15,244 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:03:15,244 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:03:15,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:03:15,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:15,462 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:03:15,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:15,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1277869167, now seen corresponding path program 1 times [2021-10-13 00:03:15,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:15,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408720660] [2021-10-13 00:03:15,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:15,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:15,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 00:03:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:15,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-13 00:03:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:15,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:03:15,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:03:15,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408720660] [2021-10-13 00:03:15,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408720660] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:15,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714903230] [2021-10-13 00:03:15,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:15,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:15,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:03:15,637 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:03:15,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 00:03:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:15,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:03:15,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:03:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:03:15,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714903230] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:15,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:03:15,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-10-13 00:03:15,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109282887] [2021-10-13 00:03:15,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 00:03:15,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:03:15,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 00:03:15,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:03:15,870 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-13 00:03:16,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:03:16,030 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2021-10-13 00:03:16,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:03:16,031 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) Word has length 24 [2021-10-13 00:03:16,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:03:16,045 INFO L225 Difference]: With dead ends: 51 [2021-10-13 00:03:16,046 INFO L226 Difference]: Without dead ends: 47 [2021-10-13 00:03:16,047 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 50.0ms TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:03:16,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-13 00:03:16,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2021-10-13 00:03:16,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2021-10-13 00:03:16,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2021-10-13 00:03:16,062 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 62 transitions. Word has length 24 [2021-10-13 00:03:16,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:03:16,063 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 62 transitions. [2021-10-13 00:03:16,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-13 00:03:16,064 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2021-10-13 00:03:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 00:03:16,066 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:03:16,066 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:03:16,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:03:16,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:16,293 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:03:16,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:16,294 INFO L82 PathProgramCache]: Analyzing trace with hash -2061621832, now seen corresponding path program 1 times [2021-10-13 00:03:16,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:16,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199757297] [2021-10-13 00:03:16,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:16,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:16,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 00:03:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:16,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:16,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:16,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-10-13 00:03:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:16,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-10-13 00:03:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 00:03:16,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:03:16,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199757297] [2021-10-13 00:03:16,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199757297] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:16,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085208805] [2021-10-13 00:03:16,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:16,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:16,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:03:16,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:03:16,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 00:03:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:16,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:03:16,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:03:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 00:03:16,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085208805] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:16,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:03:16,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-10-13 00:03:16,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441120279] [2021-10-13 00:03:16,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 00:03:16,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:03:16,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 00:03:16,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:03:16,762 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. Second operand has 11 states, 9 states have (on average 4.222222222222222) internal successors, (38), 11 states have internal predecessors, (38), 8 states have call successors, (10), 1 states have call predecessors, (10), 5 states have return successors, (10), 3 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-13 00:03:17,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:03:17,025 INFO L93 Difference]: Finished difference Result 105 states and 167 transitions. [2021-10-13 00:03:17,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 00:03:17,026 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.222222222222222) internal successors, (38), 11 states have internal predecessors, (38), 8 states have call successors, (10), 1 states have call predecessors, (10), 5 states have return successors, (10), 3 states have call predecessors, (10), 8 states have call successors, (10) Word has length 36 [2021-10-13 00:03:17,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:03:17,031 INFO L225 Difference]: With dead ends: 105 [2021-10-13 00:03:17,031 INFO L226 Difference]: Without dead ends: 63 [2021-10-13 00:03:17,042 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 115.7ms TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-10-13 00:03:17,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-10-13 00:03:17,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-10-13 00:03:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 44 states have internal predecessors, (51), 12 states have call successors, (12), 5 states have call predecessors, (12), 9 states have return successors, (29), 13 states have call predecessors, (29), 12 states have call successors, (29) [2021-10-13 00:03:17,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-10-13 00:03:17,070 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 36 [2021-10-13 00:03:17,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:03:17,071 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-10-13 00:03:17,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.222222222222222) internal successors, (38), 11 states have internal predecessors, (38), 8 states have call successors, (10), 1 states have call predecessors, (10), 5 states have return successors, (10), 3 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-13 00:03:17,072 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-10-13 00:03:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 00:03:17,077 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:03:17,078 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:03:17,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:03:17,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:17,301 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:03:17,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:17,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1167294498, now seen corresponding path program 1 times [2021-10-13 00:03:17,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:17,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852516659] [2021-10-13 00:03:17,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:17,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 00:03:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-13 00:03:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:17,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-13 00:03:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 00:03:17,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:03:17,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852516659] [2021-10-13 00:03:17,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852516659] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:17,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837983735] [2021-10-13 00:03:17,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:17,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:17,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:03:17,469 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:03:17,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-13 00:03:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:17,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:03:17,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:03:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 00:03:17,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837983735] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:17,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:03:17,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-10-13 00:03:17,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964050988] [2021-10-13 00:03:17,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-13 00:03:17,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:03:17,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 00:03:17,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-10-13 00:03:17,729 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 8 states have call successors, (10), 1 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-13 00:03:18,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:03:18,116 INFO L93 Difference]: Finished difference Result 177 states and 321 transitions. [2021-10-13 00:03:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-13 00:03:18,116 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 8 states have call successors, (10), 1 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 8 states have call successors, (10) Word has length 37 [2021-10-13 00:03:18,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:03:18,124 INFO L225 Difference]: With dead ends: 177 [2021-10-13 00:03:18,124 INFO L226 Difference]: Without dead ends: 117 [2021-10-13 00:03:18,127 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 150.8ms TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2021-10-13 00:03:18,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-10-13 00:03:18,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 103. [2021-10-13 00:03:18,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 69 states have internal predecessors, (80), 21 states have call successors, (21), 7 states have call predecessors, (21), 15 states have return successors, (65), 26 states have call predecessors, (65), 21 states have call successors, (65) [2021-10-13 00:03:18,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 166 transitions. [2021-10-13 00:03:18,165 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 166 transitions. Word has length 37 [2021-10-13 00:03:18,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:03:18,166 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 166 transitions. [2021-10-13 00:03:18,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 8 states have call successors, (10), 1 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-13 00:03:18,166 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2021-10-13 00:03:18,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 00:03:18,180 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:03:18,180 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:03:18,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:03:18,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:18,381 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:03:18,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:18,381 INFO L82 PathProgramCache]: Analyzing trace with hash 384535367, now seen corresponding path program 1 times [2021-10-13 00:03:18,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:18,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673565371] [2021-10-13 00:03:18,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:18,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 00:03:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:18,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:18,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:18,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:18,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-13 00:03:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:18,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-13 00:03:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-10-13 00:03:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:18,561 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-13 00:03:18,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:03:18,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673565371] [2021-10-13 00:03:18,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673565371] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:18,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215217147] [2021-10-13 00:03:18,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:18,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:18,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:03:18,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:03:18,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-13 00:03:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:18,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:03:18,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:03:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-13 00:03:18,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215217147] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:18,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:03:18,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 13 [2021-10-13 00:03:18,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411970743] [2021-10-13 00:03:18,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-13 00:03:18,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:03:18,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-13 00:03:18,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-13 00:03:18,863 INFO L87 Difference]: Start difference. First operand 103 states and 166 transitions. Second operand has 13 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 13 states have internal predecessors, (44), 8 states have call successors, (12), 1 states have call predecessors, (12), 6 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2021-10-13 00:03:19,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:03:19,171 INFO L93 Difference]: Finished difference Result 262 states and 508 transitions. [2021-10-13 00:03:19,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-13 00:03:19,172 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 13 states have internal predecessors, (44), 8 states have call successors, (12), 1 states have call predecessors, (12), 6 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 51 [2021-10-13 00:03:19,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:03:19,180 INFO L225 Difference]: With dead ends: 262 [2021-10-13 00:03:19,180 INFO L226 Difference]: Without dead ends: 162 [2021-10-13 00:03:19,182 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 115.4ms TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2021-10-13 00:03:19,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-10-13 00:03:19,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 139. [2021-10-13 00:03:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 89 states have (on average 1.202247191011236) internal successors, (107), 91 states have internal predecessors, (107), 31 states have call successors, (31), 10 states have call predecessors, (31), 18 states have return successors, (103), 37 states have call predecessors, (103), 31 states have call successors, (103) [2021-10-13 00:03:19,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 241 transitions. [2021-10-13 00:03:19,227 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 241 transitions. Word has length 51 [2021-10-13 00:03:19,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:03:19,227 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 241 transitions. [2021-10-13 00:03:19,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 13 states have internal predecessors, (44), 8 states have call successors, (12), 1 states have call predecessors, (12), 6 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2021-10-13 00:03:19,228 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 241 transitions. [2021-10-13 00:03:19,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-13 00:03:19,233 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:03:19,233 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:03:19,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:03:19,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:19,461 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:03:19,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:19,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1130362923, now seen corresponding path program 1 times [2021-10-13 00:03:19,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:19,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905242048] [2021-10-13 00:03:19,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:19,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:19,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 00:03:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:19,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:19,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-13 00:03:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-13 00:03:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:19,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-13 00:03:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-13 00:03:19,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:03:19,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905242048] [2021-10-13 00:03:19,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905242048] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:19,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520514297] [2021-10-13 00:03:19,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:19,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:19,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:03:19,674 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:03:19,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-13 00:03:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:19,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:03:19,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:03:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-13 00:03:19,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520514297] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:19,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:03:19,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 15 [2021-10-13 00:03:19,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370336740] [2021-10-13 00:03:19,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-13 00:03:19,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:03:19,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-13 00:03:19,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-13 00:03:19,944 INFO L87 Difference]: Start difference. First operand 139 states and 241 transitions. Second operand has 15 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 15 states have internal predecessors, (46), 7 states have call successors, (12), 1 states have call predecessors, (12), 6 states have return successors, (14), 9 states have call predecessors, (14), 7 states have call successors, (14) [2021-10-13 00:03:20,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:03:20,255 INFO L93 Difference]: Finished difference Result 301 states and 580 transitions. [2021-10-13 00:03:20,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-13 00:03:20,256 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 15 states have internal predecessors, (46), 7 states have call successors, (12), 1 states have call predecessors, (12), 6 states have return successors, (14), 9 states have call predecessors, (14), 7 states have call successors, (14) Word has length 52 [2021-10-13 00:03:20,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:03:20,258 INFO L225 Difference]: With dead ends: 301 [2021-10-13 00:03:20,259 INFO L226 Difference]: Without dead ends: 98 [2021-10-13 00:03:20,261 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 117.9ms TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-10-13 00:03:20,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-10-13 00:03:20,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 80. [2021-10-13 00:03:20,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 54 states have internal predecessors, (61), 16 states have call successors, (16), 6 states have call predecessors, (16), 11 states have return successors, (46), 19 states have call predecessors, (46), 16 states have call successors, (46) [2021-10-13 00:03:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 123 transitions. [2021-10-13 00:03:20,273 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 123 transitions. Word has length 52 [2021-10-13 00:03:20,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:03:20,274 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 123 transitions. [2021-10-13 00:03:20,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 15 states have internal predecessors, (46), 7 states have call successors, (12), 1 states have call predecessors, (12), 6 states have return successors, (14), 9 states have call predecessors, (14), 7 states have call successors, (14) [2021-10-13 00:03:20,274 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2021-10-13 00:03:20,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-10-13 00:03:20,277 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:03:20,277 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:03:20,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:03:20,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-13 00:03:20,493 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:03:20,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:20,494 INFO L82 PathProgramCache]: Analyzing trace with hash 780870354, now seen corresponding path program 1 times [2021-10-13 00:03:20,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:20,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389489370] [2021-10-13 00:03:20,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:20,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 00:03:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:20,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:20,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:20,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-13 00:03:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:20,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-13 00:03:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-13 00:03:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:20,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-13 00:03:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-13 00:03:20,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:03:20,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389489370] [2021-10-13 00:03:20,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389489370] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:20,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993411765] [2021-10-13 00:03:20,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:20,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:20,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:03:20,909 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:03:20,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-13 00:03:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:21,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-13 00:03:21,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:03:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-13 00:03:21,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993411765] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:21,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:03:21,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 21 [2021-10-13 00:03:21,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569580612] [2021-10-13 00:03:21,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-13 00:03:21,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:03:21,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-13 00:03:21,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2021-10-13 00:03:21,569 INFO L87 Difference]: Start difference. First operand 80 states and 123 transitions. Second operand has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 12 states have internal predecessors, (32), 4 states have call successors, (6), 1 states have call predecessors, (6), 6 states have return successors, (12), 12 states have call predecessors, (12), 4 states have call successors, (12) [2021-10-13 00:03:21,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:03:21,743 INFO L93 Difference]: Finished difference Result 127 states and 217 transitions. [2021-10-13 00:03:21,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-13 00:03:21,744 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 12 states have internal predecessors, (32), 4 states have call successors, (6), 1 states have call predecessors, (6), 6 states have return successors, (12), 12 states have call predecessors, (12), 4 states have call successors, (12) Word has length 65 [2021-10-13 00:03:21,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:03:21,746 INFO L225 Difference]: With dead ends: 127 [2021-10-13 00:03:21,747 INFO L226 Difference]: Without dead ends: 123 [2021-10-13 00:03:21,748 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 78 SyntacticMatches, 6 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 333.1ms TimeCoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-10-13 00:03:21,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-13 00:03:21,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 90. [2021-10-13 00:03:21,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 58 states have (on average 1.1551724137931034) internal successors, (67), 60 states have internal predecessors, (67), 18 states have call successors, (18), 6 states have call predecessors, (18), 13 states have return successors, (63), 23 states have call predecessors, (63), 18 states have call successors, (63) [2021-10-13 00:03:21,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 148 transitions. [2021-10-13 00:03:21,762 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 148 transitions. Word has length 65 [2021-10-13 00:03:21,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:03:21,763 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 148 transitions. [2021-10-13 00:03:21,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 12 states have internal predecessors, (32), 4 states have call successors, (6), 1 states have call predecessors, (6), 6 states have return successors, (12), 12 states have call predecessors, (12), 4 states have call successors, (12) [2021-10-13 00:03:21,763 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2021-10-13 00:03:21,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-13 00:03:21,766 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:03:21,766 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:03:21,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:03:21,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:21,984 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:03:21,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:21,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1839692955, now seen corresponding path program 2 times [2021-10-13 00:03:21,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:21,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858305172] [2021-10-13 00:03:21,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:21,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:22,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 00:03:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:22,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:22,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:22,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-13 00:03:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-13 00:03:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-13 00:03:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:22,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-13 00:03:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-10-13 00:03:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:22,282 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-10-13 00:03:22,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:03:22,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858305172] [2021-10-13 00:03:22,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858305172] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:22,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996414354] [2021-10-13 00:03:22,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:03:22,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:22,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:03:22,284 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:03:22,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-13 00:03:22,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:03:22,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:03:22,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:03:22,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:03:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 54 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-10-13 00:03:22,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996414354] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:22,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:03:22,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 20 [2021-10-13 00:03:22,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710903680] [2021-10-13 00:03:22,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-13 00:03:22,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:03:22,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-13 00:03:22,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2021-10-13 00:03:22,710 INFO L87 Difference]: Start difference. First operand 90 states and 148 transitions. Second operand has 20 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 20 states have internal predecessors, (59), 13 states have call successors, (18), 1 states have call predecessors, (18), 9 states have return successors, (22), 13 states have call predecessors, (22), 13 states have call successors, (22) [2021-10-13 00:03:23,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:03:23,103 INFO L93 Difference]: Finished difference Result 186 states and 330 transitions. [2021-10-13 00:03:23,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-13 00:03:23,104 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 20 states have internal predecessors, (59), 13 states have call successors, (18), 1 states have call predecessors, (18), 9 states have return successors, (22), 13 states have call predecessors, (22), 13 states have call successors, (22) Word has length 80 [2021-10-13 00:03:23,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:03:23,105 INFO L225 Difference]: With dead ends: 186 [2021-10-13 00:03:23,105 INFO L226 Difference]: Without dead ends: 86 [2021-10-13 00:03:23,107 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 223.9ms TimeCoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870 [2021-10-13 00:03:23,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-10-13 00:03:23,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 75. [2021-10-13 00:03:23,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 51 states have internal predecessors, (60), 13 states have call successors, (13), 8 states have call predecessors, (13), 10 states have return successors, (26), 15 states have call predecessors, (26), 13 states have call successors, (26) [2021-10-13 00:03:23,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions. [2021-10-13 00:03:23,115 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 80 [2021-10-13 00:03:23,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:03:23,116 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions. [2021-10-13 00:03:23,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 20 states have internal predecessors, (59), 13 states have call successors, (18), 1 states have call predecessors, (18), 9 states have return successors, (22), 13 states have call predecessors, (22), 13 states have call successors, (22) [2021-10-13 00:03:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2021-10-13 00:03:23,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-13 00:03:23,117 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:03:23,118 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:03:23,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:03:23,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-13 00:03:23,335 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:03:23,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:23,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1851863125, now seen corresponding path program 1 times [2021-10-13 00:03:23,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:23,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65318706] [2021-10-13 00:03:23,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:23,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 00:03:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-13 00:03:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-13 00:03:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-13 00:03:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:03:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:03:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-13 00:03:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 39 proven. 38 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-10-13 00:03:23,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:03:23,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65318706] [2021-10-13 00:03:23,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65318706] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:23,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924846192] [2021-10-13 00:03:23,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:23,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:03:23,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:03:23,541 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:03:23,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-13 00:03:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:03:23,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:03:23,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:03:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 26 proven. 56 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-13 00:03:24,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924846192] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:03:24,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:03:24,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 17 [2021-10-13 00:03:24,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119854249] [2021-10-13 00:03:24,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-13 00:03:24,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:03:24,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-13 00:03:24,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-10-13 00:03:24,014 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 17 states, 16 states have (on average 3.4375) internal successors, (55), 17 states have internal predecessors, (55), 13 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (20), 9 states have call predecessors, (20), 13 states have call successors, (20) [2021-10-13 00:03:24,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:03:24,261 INFO L93 Difference]: Finished difference Result 146 states and 204 transitions. [2021-10-13 00:03:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-13 00:03:24,262 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.4375) internal successors, (55), 17 states have internal predecessors, (55), 13 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (20), 9 states have call predecessors, (20), 13 states have call successors, (20) Word has length 79 [2021-10-13 00:03:24,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:03:24,262 INFO L225 Difference]: With dead ends: 146 [2021-10-13 00:03:24,262 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:03:24,263 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 146.5ms TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2021-10-13 00:03:24,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:03:24,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:03:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:03:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:03:24,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2021-10-13 00:03:24,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:03:24,265 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:03:24,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.4375) internal successors, (55), 17 states have internal predecessors, (55), 13 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (20), 9 states have call predecessors, (20), 13 states have call successors, (20) [2021-10-13 00:03:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:03:24,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:03:24,268 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:03:24,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:03:24,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-13 00:03:24,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:03:24,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:24,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:03:25,217 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:03:25,217 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:03:25,217 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:03:25,217 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:03:25,218 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2021-10-13 00:03:25,218 INFO L853 garLoopResultBuilder]: At program point L43(lines 37 44) the Hoare annotation is: (<= 4 ULTIMATE.start_main_~x~0) [2021-10-13 00:03:25,218 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-13 00:03:25,218 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 42) no Hoare annotation was computed. [2021-10-13 00:03:25,218 INFO L853 garLoopResultBuilder]: At program point L39(line 39) the Hoare annotation is: (and (<= 4 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~x~0 4)) [2021-10-13 00:03:25,218 INFO L857 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2021-10-13 00:03:25,218 INFO L857 garLoopResultBuilder]: For program point L40-2(lines 40 42) no Hoare annotation was computed. [2021-10-13 00:03:25,218 INFO L860 garLoopResultBuilder]: At program point fibo2ENTRY(lines 19 27) the Hoare annotation is: true [2021-10-13 00:03:25,219 INFO L853 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: (and (not (<= |fibo2_#in~n| 1)) (= fibo2_~n |fibo2_#in~n|)) [2021-10-13 00:03:25,219 INFO L857 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2021-10-13 00:03:25,219 INFO L853 garLoopResultBuilder]: At program point L25-2(line 25) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (or (and (<= |fibo2_#t~ret9| 1) (<= 1 |fibo2_#t~ret9|) .cse0 (< 1 fibo2_~n)) (and .cse0 (<= 4 fibo2_~n)))) [2021-10-13 00:03:25,219 INFO L857 garLoopResultBuilder]: For program point L22(lines 22 26) no Hoare annotation was computed. [2021-10-13 00:03:25,219 INFO L857 garLoopResultBuilder]: For program point L25-3(line 25) no Hoare annotation was computed. [2021-10-13 00:03:25,219 INFO L857 garLoopResultBuilder]: For program point L20(lines 20 26) no Hoare annotation was computed. [2021-10-13 00:03:25,219 INFO L857 garLoopResultBuilder]: For program point fibo2FINAL(lines 19 27) no Hoare annotation was computed. [2021-10-13 00:03:25,219 INFO L857 garLoopResultBuilder]: For program point fibo2EXIT(lines 19 27) no Hoare annotation was computed. [2021-10-13 00:03:25,219 INFO L860 garLoopResultBuilder]: At program point fibo1ENTRY(lines 9 17) the Hoare annotation is: true [2021-10-13 00:03:25,219 INFO L853 garLoopResultBuilder]: At program point L15(line 15) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (= fibo1_~n |fibo1_#in~n|)) [2021-10-13 00:03:25,220 INFO L857 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-10-13 00:03:25,220 INFO L853 garLoopResultBuilder]: At program point L15-2(line 15) the Hoare annotation is: (and (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= |fibo1_#in~n| 3) .cse0) (and (<= 5 |fibo1_#in~n|) .cse0) (and (<= 2 |fibo1_#t~ret7|) (<= |fibo1_#t~ret7| 2) .cse0))) (not (<= |fibo1_#in~n| 2)) (or (<= 4 fibo1_~n) (and (<= |fibo1_#t~ret7| 1) (<= 1 |fibo1_#t~ret7|)))) [2021-10-13 00:03:25,220 INFO L857 garLoopResultBuilder]: For program point L12(lines 12 16) no Hoare annotation was computed. [2021-10-13 00:03:25,220 INFO L857 garLoopResultBuilder]: For program point L15-3(line 15) no Hoare annotation was computed. [2021-10-13 00:03:25,220 INFO L857 garLoopResultBuilder]: For program point fibo1FINAL(lines 9 17) no Hoare annotation was computed. [2021-10-13 00:03:25,220 INFO L857 garLoopResultBuilder]: For program point L10(lines 10 16) no Hoare annotation was computed. [2021-10-13 00:03:25,220 INFO L857 garLoopResultBuilder]: For program point fibo1EXIT(lines 9 17) no Hoare annotation was computed. [2021-10-13 00:03:25,227 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:03:25,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:03:25 BoogieIcfgContainer [2021-10-13 00:03:25,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:03:25,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:03:25,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:03:25,245 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:03:25,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:03:13" (3/4) ... [2021-10-13 00:03:25,252 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:03:25,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo2 [2021-10-13 00:03:25,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo1 [2021-10-13 00:03:25,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-13 00:03:25,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 00:03:25,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:03:25,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:03:25,320 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:03:25,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:03:25,322 INFO L168 Benchmark]: Toolchain (without parser) took 12223.30 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 66.5 MB in the beginning and 70.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:03:25,322 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 52.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:03:25,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.08 ms. Allocated memory is still 98.6 MB. Free memory was 66.3 MB in the beginning and 75.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:03:25,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.00 ms. Allocated memory is still 98.6 MB. Free memory was 75.4 MB in the beginning and 74.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:03:25,323 INFO L168 Benchmark]: Boogie Preprocessor took 17.19 ms. Allocated memory is still 98.6 MB. Free memory was 74.2 MB in the beginning and 73.4 MB in the end (delta: 794.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:03:25,324 INFO L168 Benchmark]: RCFGBuilder took 355.20 ms. Allocated memory is still 98.6 MB. Free memory was 73.0 MB in the beginning and 63.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:03:25,324 INFO L168 Benchmark]: TraceAbstraction took 11485.17 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 62.9 MB in the beginning and 73.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:03:25,325 INFO L168 Benchmark]: Witness Printer took 75.28 ms. Allocated memory is still 144.7 MB. Free memory was 73.1 MB in the beginning and 70.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:03:25,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 52.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 251.08 ms. Allocated memory is still 98.6 MB. Free memory was 66.3 MB in the beginning and 75.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.00 ms. Allocated memory is still 98.6 MB. Free memory was 75.4 MB in the beginning and 74.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.19 ms. Allocated memory is still 98.6 MB. Free memory was 74.2 MB in the beginning and 73.4 MB in the end (delta: 794.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 355.20 ms. Allocated memory is still 98.6 MB. Free memory was 73.0 MB in the beginning and 63.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11485.17 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 62.9 MB in the beginning and 73.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 16.1 GB. * Witness Printer took 75.28 ms. Allocated memory is still 144.7 MB. Free memory was 73.1 MB in the beginning and 70.0 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: 41]: 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 3 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11386.6ms, OverallIterations: 11, TraceHistogramMax: 7, EmptinessCheckTime: 51.0ms, AutomataDifference: 2719.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 739.5ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 307 SDtfs, 364 SDslu, 2274 SDs, 0 SdLazy, 2647 SolverSat, 285 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1398.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 740 GetRequests, 562 SyntacticMatches, 9 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 1432.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=7, InterpolantAutomatonStates: 146, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 259.7ms AutomataMinimizationTime, 11 MinimizatonAttempts, 105 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 8 LocationsWithAnnotation, 407 PreInvPairs, 489 NumberOfFragments, 90 HoareAnnotationTreeSize, 407 FomulaSimplifications, 794 FormulaSimplificationTreeSizeReduction, 431.7ms HoareSimplificationTime, 8 FomulaSimplificationsInter, 1187 FormulaSimplificationTreeSizeReductionInter, 284.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 93.0ms SsaConstructionTime, 396.2ms SatisfiabilityAnalysisTime, 4129.3ms InterpolantComputationTime, 915 NumberOfCodeBlocks, 915 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 895 ConstructedInterpolants, 0 QuantifiedInterpolants, 2065 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1251 ConjunctsInSsa, 103 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 683/976 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: 37]: Loop Invariant Derived loop invariant: 4 <= x RESULT: Ultimate proved your program to be correct! [2021-10-13 00:03:25,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2e492f-09df-4bdd-95ff-0a84c0e179de/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...