./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_10-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_10-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD --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 acde98dd01af02b5a508b32116f1b2c3612f1f84e6ba2fe02fc76c333a1d32d3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:01:33,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:01:33,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:01:33,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:01:33,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:01:33,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:01:33,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:01:33,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:01:33,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:01:33,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:01:33,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:01:33,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:01:33,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:01:33,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:01:33,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:01:33,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:01:33,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:01:33,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:01:33,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:01:33,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:01:33,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:01:33,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:01:33,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:01:33,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:01:33,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:01:33,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:01:33,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:01:33,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:01:33,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:01:33,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:01:33,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:01:33,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:01:33,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:01:33,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:01:33,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:01:33,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:01:33,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:01:33,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:01:33,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:01:33,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:01:33,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:01:33,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:01:33,181 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:01:33,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:01:33,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:01:33,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:01:33,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:01:33,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:01:33,184 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:01:33,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:01:33,184 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:01:33,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:01:33,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:01:33,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:01:33,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:01:33,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:01:33,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:01:33,186 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:01:33,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:01:33,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:01:33,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:01:33,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:01:33,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:01:33,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:01:33,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:01:33,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:01:33,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:01:33,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:01:33,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:01:33,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:01:33,189 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:01:33,189 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:01:33,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:01:33,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:01:33,190 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_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acde98dd01af02b5a508b32116f1b2c3612f1f84e6ba2fe02fc76c333a1d32d3 [2021-10-28 23:01:33,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:01:33,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:01:33,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:01:33,482 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:01:33,483 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:01:33,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/recursive-simple/fibo_10-1.c [2021-10-28 23:01:33,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/data/0b7a55b0e/4fd5e8ed2a674928b7c612c9b651f4d5/FLAGff399462a [2021-10-28 23:01:33,994 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:01:33,994 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/sv-benchmarks/c/recursive-simple/fibo_10-1.c [2021-10-28 23:01:34,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/data/0b7a55b0e/4fd5e8ed2a674928b7c612c9b651f4d5/FLAGff399462a [2021-10-28 23:01:34,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/data/0b7a55b0e/4fd5e8ed2a674928b7c612c9b651f4d5 [2021-10-28 23:01:34,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:01:34,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:01:34,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:01:34,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:01:34,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:01:34,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:01:34" (1/1) ... [2021-10-28 23:01:34,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da8e323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34, skipping insertion in model container [2021-10-28 23:01:34,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:01:34" (1/1) ... [2021-10-28 23:01:34,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:01:34,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:01:34,566 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_6bee3904-f34a-44ad-88ae-990c6e3e0c79/sv-benchmarks/c/recursive-simple/fibo_10-1.c[743,756] [2021-10-28 23:01:34,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:01:34,580 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:01:34,627 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_6bee3904-f34a-44ad-88ae-990c6e3e0c79/sv-benchmarks/c/recursive-simple/fibo_10-1.c[743,756] [2021-10-28 23:01:34,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:01:34,642 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:01:34,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34 WrapperNode [2021-10-28 23:01:34,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:01:34,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:01:34,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:01:34,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:01:34,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34" (1/1) ... [2021-10-28 23:01:34,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34" (1/1) ... [2021-10-28 23:01:34,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:01:34,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:01:34,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:01:34,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:01:34,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34" (1/1) ... [2021-10-28 23:01:34,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34" (1/1) ... [2021-10-28 23:01:34,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34" (1/1) ... [2021-10-28 23:01:34,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34" (1/1) ... [2021-10-28 23:01:34,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34" (1/1) ... [2021-10-28 23:01:34,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34" (1/1) ... [2021-10-28 23:01:34,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34" (1/1) ... [2021-10-28 23:01:34,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:01:34,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:01:34,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:01:34,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:01:34,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34" (1/1) ... [2021-10-28 23:01:34,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:01:34,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:34,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:34,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:01:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:01:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:01:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:01:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:01:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2021-10-28 23:01:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2021-10-28 23:01:34,945 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:01:34,945 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 23:01:34,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:01:34 BoogieIcfgContainer [2021-10-28 23:01:34,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:01:34,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:01:34,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:01:34,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:01:34,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:01:34" (1/3) ... [2021-10-28 23:01:34,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6ab17b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:01:34, skipping insertion in model container [2021-10-28 23:01:34,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:34" (2/3) ... [2021-10-28 23:01:34,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6ab17b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:01:34, skipping insertion in model container [2021-10-28 23:01:34,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:01:34" (3/3) ... [2021-10-28 23:01:34,956 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_10-1.c [2021-10-28 23:01:34,962 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:01:34,962 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:01:35,012 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:01:35,020 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:01:35,020 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:01:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-28 23:01:35,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-28 23:01:35,044 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:01:35,045 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:35,046 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:01:35,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:35,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1755511548, now seen corresponding path program 1 times [2021-10-28 23:01:35,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:35,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383344714] [2021-10-28 23:01:35,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:35,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:35,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-28 23:01:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:01:35,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:01:35,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383344714] [2021-10-28 23:01:35,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383344714] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:01:35,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:01:35,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:01:35,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13975755] [2021-10-28 23:01:35,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:01:35,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:01:35,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:01:35,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:01:35,419 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2021-10-28 23:01:35,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:01:35,473 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2021-10-28 23:01:35,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:01:35,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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 [2021-10-28 23:01:35,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:01:35,484 INFO L225 Difference]: With dead ends: 34 [2021-10-28 23:01:35,485 INFO L226 Difference]: Without dead ends: 18 [2021-10-28 23:01:35,488 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:01:35,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-10-28 23:01:35,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-28 23:01:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 23:01:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-10-28 23:01:35,530 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10 [2021-10-28 23:01:35,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:01:35,531 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-10-28 23:01:35,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2021-10-28 23:01:35,532 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-10-28 23:01:35,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 23:01:35,534 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:01:35,534 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:35,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:01:35,537 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:01:35,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:35,538 INFO L85 PathProgramCache]: Analyzing trace with hash 2128459596, now seen corresponding path program 1 times [2021-10-28 23:01:35,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:35,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262854162] [2021-10-28 23:01:35,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:35,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-28 23:01:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:01:35,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:01:35,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262854162] [2021-10-28 23:01:35,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262854162] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:01:35,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:01:35,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:01:35,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720177924] [2021-10-28 23:01:35,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:01:35,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:01:35,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:01:35,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:01:35,629 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 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) [2021-10-28 23:01:35,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:01:35,646 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2021-10-28 23:01:35,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:01:35,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 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 [2021-10-28 23:01:35,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:01:35,649 INFO L225 Difference]: With dead ends: 24 [2021-10-28 23:01:35,649 INFO L226 Difference]: Without dead ends: 20 [2021-10-28 23:01:35,650 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:01:35,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-28 23:01:35,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-10-28 23:01:35,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 23:01:35,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-10-28 23:01:35,657 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2021-10-28 23:01:35,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:01:35,658 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-10-28 23:01:35,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 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) [2021-10-28 23:01:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-10-28 23:01:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 23:01:35,667 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:01:35,668 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:35,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:01:35,668 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:01:35,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:35,669 INFO L85 PathProgramCache]: Analyzing trace with hash -42544313, now seen corresponding path program 1 times [2021-10-28 23:01:35,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:35,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125496141] [2021-10-28 23:01:35,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:35,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-28 23:01:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:35,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-10-28 23:01:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 23:01:35,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:01:35,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125496141] [2021-10-28 23:01:35,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125496141] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:35,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248846555] [2021-10-28 23:01:35,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:35,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:35,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:35,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:01:35,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:01:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:35,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:01:35,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:36,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 23:01:36,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248846555] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:36,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:01:36,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-10-28 23:01:36,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793012739] [2021-10-28 23:01:36,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:01:36,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:01:36,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:01:36,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:01:36,212 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 9 states have internal predecessors, (24), 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) [2021-10-28 23:01:36,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:01:36,340 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2021-10-28 23:01:36,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:01:36,340 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 9 states have internal predecessors, (24), 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 [2021-10-28 23:01:36,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:01:36,342 INFO L225 Difference]: With dead ends: 35 [2021-10-28 23:01:36,342 INFO L226 Difference]: Without dead ends: 20 [2021-10-28 23:01:36,343 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:01:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-28 23:01:36,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-28 23:01:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-10-28 23:01:36,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2021-10-28 23:01:36,351 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 23 [2021-10-28 23:01:36,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:01:36,351 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-10-28 23:01:36,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 9 states have internal predecessors, (24), 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) [2021-10-28 23:01:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-10-28 23:01:36,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:01:36,354 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:01:36,354 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:36,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:36,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:36,570 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:01:36,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:36,570 INFO L85 PathProgramCache]: Analyzing trace with hash 170813287, now seen corresponding path program 1 times [2021-10-28 23:01:36,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:36,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920205414] [2021-10-28 23:01:36,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:36,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:36,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-28 23:01:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:36,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:36,706 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 23:01:36,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:01:36,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920205414] [2021-10-28 23:01:36,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920205414] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:36,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223414076] [2021-10-28 23:01:36,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:36,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:36,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:36,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:01:36,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:01:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:36,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:01:36,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 23:01:36,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223414076] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:36,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:01:36,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2021-10-28 23:01:36,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783712321] [2021-10-28 23:01:36,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:01:36,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:01:36,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:01:36,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:01:36,916 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 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) [2021-10-28 23:01:37,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:01:37,025 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2021-10-28 23:01:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:01:37,026 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 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 [2021-10-28 23:01:37,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:01:37,034 INFO L225 Difference]: With dead ends: 38 [2021-10-28 23:01:37,035 INFO L226 Difference]: Without dead ends: 34 [2021-10-28 23:01:37,037 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:01:37,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-28 23:01:37,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-28 23:01:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2021-10-28 23:01:37,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2021-10-28 23:01:37,064 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 24 [2021-10-28 23:01:37,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:01:37,064 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2021-10-28 23:01:37,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 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) [2021-10-28 23:01:37,066 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2021-10-28 23:01:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 23:01:37,072 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:01:37,072 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:37,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:37,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:37,288 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:01:37,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:37,289 INFO L85 PathProgramCache]: Analyzing trace with hash -187634876, now seen corresponding path program 2 times [2021-10-28 23:01:37,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:37,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189269527] [2021-10-28 23:01:37,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:37,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:37,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-28 23:01:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:37,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:37,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:37,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:37,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-28 23:01:37,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:01:37,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189269527] [2021-10-28 23:01:37,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189269527] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:37,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444327658] [2021-10-28 23:01:37,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:01:37,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:37,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:37,572 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:01:37,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:01:37,658 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:01:37,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:01:37,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:01:37,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:37,920 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-28 23:01:37,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444327658] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:37,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:01:37,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-10-28 23:01:37,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333738718] [2021-10-28 23:01:37,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 23:01:37,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:01:37,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 23:01:37,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:01:37,927 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 13 states have internal predecessors, (34), 7 states have call successors, (9), 1 states have call predecessors, (9), 7 states have return successors, (10), 6 states have call predecessors, (10), 7 states have call successors, (10) [2021-10-28 23:01:38,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:01:38,169 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2021-10-28 23:01:38,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-28 23:01:38,170 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 13 states have internal predecessors, (34), 7 states have call successors, (9), 1 states have call predecessors, (9), 7 states have return successors, (10), 6 states have call predecessors, (10), 7 states have call successors, (10) Word has length 37 [2021-10-28 23:01:38,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:01:38,174 INFO L225 Difference]: With dead ends: 69 [2021-10-28 23:01:38,175 INFO L226 Difference]: Without dead ends: 38 [2021-10-28 23:01:38,182 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2021-10-28 23:01:38,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-28 23:01:38,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-28 23:01:38,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (11), 7 states have call predecessors, (11), 5 states have call successors, (11) [2021-10-28 23:01:38,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2021-10-28 23:01:38,201 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 37 [2021-10-28 23:01:38,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:01:38,202 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2021-10-28 23:01:38,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 13 states have internal predecessors, (34), 7 states have call successors, (9), 1 states have call predecessors, (9), 7 states have return successors, (10), 6 states have call predecessors, (10), 7 states have call successors, (10) [2021-10-28 23:01:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2021-10-28 23:01:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-10-28 23:01:38,205 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:01:38,206 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:38,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:38,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:38,407 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:01:38,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:38,407 INFO L85 PathProgramCache]: Analyzing trace with hash -2015531204, now seen corresponding path program 3 times [2021-10-28 23:01:38,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:38,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835428908] [2021-10-28 23:01:38,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:38,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-28 23:01:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:38,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:38,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:38,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:38,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:38,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:38,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-28 23:01:38,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:01:38,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835428908] [2021-10-28 23:01:38,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835428908] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:38,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920333573] [2021-10-28 23:01:38,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 23:01:38,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:38,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:38,703 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:01:38,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 23:01:38,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-10-28 23:01:38,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:01:38,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:01:38,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 22 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-10-28 23:01:39,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920333573] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:39,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:01:39,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 13 [2021-10-28 23:01:39,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910700642] [2021-10-28 23:01:39,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 23:01:39,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:01:39,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 23:01:39,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:01:39,047 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 13 states, 12 states have (on average 2.75) internal successors, (33), 13 states have internal predecessors, (33), 7 states have call successors, (9), 1 states have call predecessors, (9), 6 states have return successors, (12), 9 states have call predecessors, (12), 7 states have call successors, (12) [2021-10-28 23:01:39,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:01:39,209 INFO L93 Difference]: Finished difference Result 85 states and 124 transitions. [2021-10-28 23:01:39,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 23:01:39,210 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 13 states have internal predecessors, (33), 7 states have call successors, (9), 1 states have call predecessors, (9), 6 states have return successors, (12), 9 states have call predecessors, (12), 7 states have call successors, (12) Word has length 65 [2021-10-28 23:01:39,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:01:39,213 INFO L225 Difference]: With dead ends: 85 [2021-10-28 23:01:39,213 INFO L226 Difference]: Without dead ends: 50 [2021-10-28 23:01:39,215 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-10-28 23:01:39,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-28 23:01:39,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2021-10-28 23:01:39,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 7 states have call successors, (7), 5 states have call predecessors, (7), 6 states have return successors, (16), 9 states have call predecessors, (16), 7 states have call successors, (16) [2021-10-28 23:01:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2021-10-28 23:01:39,233 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 65 [2021-10-28 23:01:39,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:01:39,237 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2021-10-28 23:01:39,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 13 states have internal predecessors, (33), 7 states have call successors, (9), 1 states have call predecessors, (9), 6 states have return successors, (12), 9 states have call predecessors, (12), 7 states have call successors, (12) [2021-10-28 23:01:39,238 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2021-10-28 23:01:39,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-10-28 23:01:39,253 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:01:39,254 INFO L513 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 7, 4, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:39,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:39,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:39,470 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:01:39,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:39,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1033750100, now seen corresponding path program 4 times [2021-10-28 23:01:39,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:39,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104266541] [2021-10-28 23:01:39,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:39,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:39,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-28 23:01:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:39,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:39,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:39,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:39,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:39,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:39,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:39,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:39,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:40,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:40,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:40,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:40,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:40,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:40,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 57 proven. 377 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2021-10-28 23:01:40,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:01:40,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104266541] [2021-10-28 23:01:40,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104266541] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:40,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333736981] [2021-10-28 23:01:40,064 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 23:01:40,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:40,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:40,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:01:40,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 23:01:40,228 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 23:01:40,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:01:40,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 23:01:40,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:40,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 57 proven. 377 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2021-10-28 23:01:40,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333736981] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:40,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:01:40,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 14 [2021-10-28 23:01:40,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773665385] [2021-10-28 23:01:40,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-28 23:01:40,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:01:40,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 23:01:40,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-28 23:01:40,692 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 14 states have internal predecessors, (38), 12 states have call successors, (13), 1 states have call predecessors, (13), 6 states have return successors, (19), 10 states have call predecessors, (19), 12 states have call successors, (19) [2021-10-28 23:01:40,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:01:40,893 INFO L93 Difference]: Finished difference Result 117 states and 176 transitions. [2021-10-28 23:01:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 23:01:40,894 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 14 states have internal predecessors, (38), 12 states have call successors, (13), 1 states have call predecessors, (13), 6 states have return successors, (19), 10 states have call predecessors, (19), 12 states have call successors, (19) Word has length 147 [2021-10-28 23:01:40,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:01:40,903 INFO L225 Difference]: With dead ends: 117 [2021-10-28 23:01:40,903 INFO L226 Difference]: Without dead ends: 113 [2021-10-28 23:01:40,906 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-10-28 23:01:40,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-28 23:01:40,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2021-10-28 23:01:40,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 68 states have internal predecessors, (82), 21 states have call successors, (21), 9 states have call predecessors, (21), 13 states have return successors, (56), 26 states have call predecessors, (56), 21 states have call successors, (56) [2021-10-28 23:01:40,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 159 transitions. [2021-10-28 23:01:40,956 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 159 transitions. Word has length 147 [2021-10-28 23:01:40,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:01:40,959 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 159 transitions. [2021-10-28 23:01:40,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 14 states have internal predecessors, (38), 12 states have call successors, (13), 1 states have call predecessors, (13), 6 states have return successors, (19), 10 states have call predecessors, (19), 12 states have call successors, (19) [2021-10-28 23:01:40,959 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 159 transitions. [2021-10-28 23:01:40,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-10-28 23:01:40,973 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:01:40,973 INFO L513 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:41,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:41,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:41,188 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:01:41,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:41,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1022210831, now seen corresponding path program 5 times [2021-10-28 23:01:41,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:41,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680132623] [2021-10-28 23:01:41,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:41,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-28 23:01:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:01:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:41,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:42,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:42,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 403 proven. 706 refuted. 0 times theorem prover too weak. 1471 trivial. 0 not checked. [2021-10-28 23:01:42,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:01:42,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680132623] [2021-10-28 23:01:42,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680132623] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:42,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821541769] [2021-10-28 23:01:42,052 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-28 23:01:42,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:42,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:42,055 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:01:42,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 23:01:42,323 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2021-10-28 23:01:42,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:01:42,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-28 23:01:42,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:43,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 630 proven. 571 refuted. 0 times theorem prover too weak. 1379 trivial. 0 not checked. [2021-10-28 23:01:43,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821541769] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:43,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:01:43,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 14] total 25 [2021-10-28 23:01:43,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235517458] [2021-10-28 23:01:43,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-10-28 23:01:43,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:01:43,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-10-28 23:01:43,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2021-10-28 23:01:43,016 INFO L87 Difference]: Start difference. First operand 104 states and 159 transitions. Second operand has 25 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 25 states have internal predecessors, (64), 17 states have call successors, (22), 1 states have call predecessors, (22), 13 states have return successors, (33), 19 states have call predecessors, (33), 17 states have call successors, (33) [2021-10-28 23:01:43,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:01:43,629 INFO L93 Difference]: Finished difference Result 193 states and 365 transitions. [2021-10-28 23:01:43,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-28 23:01:43,632 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 25 states have internal predecessors, (64), 17 states have call successors, (22), 1 states have call predecessors, (22), 13 states have return successors, (33), 19 states have call predecessors, (33), 17 states have call successors, (33) Word has length 215 [2021-10-28 23:01:43,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:01:43,634 INFO L225 Difference]: With dead ends: 193 [2021-10-28 23:01:43,634 INFO L226 Difference]: Without dead ends: 95 [2021-10-28 23:01:43,638 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 272 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=388, Invalid=1418, Unknown=0, NotChecked=0, Total=1806 [2021-10-28 23:01:43,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-28 23:01:43,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 84. [2021-10-28 23:01:43,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.0333333333333334) internal successors, (62), 58 states have internal predecessors, (62), 15 states have call successors, (15), 12 states have call predecessors, (15), 8 states have return successors, (36), 13 states have call predecessors, (36), 15 states have call successors, (36) [2021-10-28 23:01:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2021-10-28 23:01:43,654 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 215 [2021-10-28 23:01:43,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:01:43,655 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2021-10-28 23:01:43,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 25 states have internal predecessors, (64), 17 states have call successors, (22), 1 states have call predecessors, (22), 13 states have return successors, (33), 19 states have call predecessors, (33), 17 states have call successors, (33) [2021-10-28 23:01:43,655 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2021-10-28 23:01:43,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-10-28 23:01:43,663 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:01:43,663 INFO L513 BasicCegarLoop]: trace histogram [51, 51, 41, 25, 25, 25, 25, 25, 25, 25, 16, 10, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:43,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:43,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-28 23:01:43,886 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:01:43,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:43,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1843553927, now seen corresponding path program 6 times [2021-10-28 23:01:43,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:43,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413261008] [2021-10-28 23:01:43,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:43,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-28 23:01:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:01:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-10-28 23:01:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:44,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:01:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 844 proven. 1612 refuted. 0 times theorem prover too weak. 4664 trivial. 0 not checked. [2021-10-28 23:01:45,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:01:45,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413261008] [2021-10-28 23:01:45,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413261008] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:45,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956013307] [2021-10-28 23:01:45,146 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-28 23:01:45,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:45,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:45,150 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:01:45,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 23:01:45,514 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2021-10-28 23:01:45,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:01:45,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 23:01:45,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:46,318 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 356 proven. 1124 refuted. 0 times theorem prover too weak. 5640 trivial. 0 not checked. [2021-10-28 23:01:46,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956013307] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:46,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:01:46,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 10] total 26 [2021-10-28 23:01:46,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608387086] [2021-10-28 23:01:46,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-28 23:01:46,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:01:46,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-28 23:01:46,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2021-10-28 23:01:46,326 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand has 26 states, 25 states have (on average 2.44) internal successors, (61), 26 states have internal predecessors, (61), 17 states have call successors, (21), 1 states have call predecessors, (21), 13 states have return successors, (34), 23 states have call predecessors, (34), 17 states have call successors, (34) [2021-10-28 23:01:46,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:01:46,883 INFO L93 Difference]: Finished difference Result 186 states and 295 transitions. [2021-10-28 23:01:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-28 23:01:46,884 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.44) internal successors, (61), 26 states have internal predecessors, (61), 17 states have call successors, (21), 1 states have call predecessors, (21), 13 states have return successors, (34), 23 states have call predecessors, (34), 17 states have call successors, (34) Word has length 351 [2021-10-28 23:01:46,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:01:46,887 INFO L225 Difference]: With dead ends: 186 [2021-10-28 23:01:46,887 INFO L226 Difference]: Without dead ends: 113 [2021-10-28 23:01:46,889 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=422, Invalid=1470, Unknown=0, NotChecked=0, Total=1892 [2021-10-28 23:01:46,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-28 23:01:46,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 101. [2021-10-28 23:01:46,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 72 states have (on average 1.0416666666666667) internal successors, (75), 70 states have internal predecessors, (75), 19 states have call successors, (19), 15 states have call predecessors, (19), 9 states have return successors, (42), 15 states have call predecessors, (42), 19 states have call successors, (42) [2021-10-28 23:01:46,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 136 transitions. [2021-10-28 23:01:46,921 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 136 transitions. Word has length 351 [2021-10-28 23:01:46,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:01:46,925 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 136 transitions. [2021-10-28 23:01:46,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.44) internal successors, (61), 26 states have internal predecessors, (61), 17 states have call successors, (21), 1 states have call predecessors, (21), 13 states have return successors, (34), 23 states have call predecessors, (34), 17 states have call successors, (34) [2021-10-28 23:01:46,926 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 136 transitions. [2021-10-28 23:01:46,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2021-10-28 23:01:46,944 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:01:46,945 INFO L513 BasicCegarLoop]: trace histogram [83, 83, 67, 41, 41, 41, 41, 41, 41, 41, 26, 16, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:46,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:47,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:47,170 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:01:47,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:47,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1550468663, now seen corresponding path program 7 times [2021-10-28 23:01:47,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:47,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102682619] [2021-10-28 23:01:47,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:47,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:47,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-28 23:01:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:01:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-10-28 23:01:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-10-28 23:01:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:01:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-10-28 23:01:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 19103 backedges. 1691 proven. 3390 refuted. 0 times theorem prover too weak. 14022 trivial. 0 not checked. [2021-10-28 23:01:49,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:01:49,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102682619] [2021-10-28 23:01:49,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102682619] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:49,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114462564] [2021-10-28 23:01:49,110 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-28 23:01:49,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:49,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:49,111 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:01:49,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 23:01:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-28 23:01:49,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:50,846 INFO L134 CoverageAnalysis]: Checked inductivity of 19103 backedges. 401 proven. 2942 refuted. 0 times theorem prover too weak. 15760 trivial. 0 not checked. [2021-10-28 23:01:50,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114462564] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:50,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:01:50,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 12] total 30 [2021-10-28 23:01:50,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740974698] [2021-10-28 23:01:50,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-28 23:01:50,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:01:50,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-28 23:01:50,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=681, Unknown=0, NotChecked=0, Total=870 [2021-10-28 23:01:50,851 INFO L87 Difference]: Start difference. First operand 101 states and 136 transitions. Second operand has 30 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 30 states have internal predecessors, (69), 22 states have call successors, (25), 1 states have call predecessors, (25), 15 states have return successors, (42), 26 states have call predecessors, (42), 22 states have call successors, (42) [2021-10-28 23:01:51,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:01:51,583 INFO L93 Difference]: Finished difference Result 228 states and 374 transitions. [2021-10-28 23:01:51,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-28 23:01:51,584 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 30 states have internal predecessors, (69), 22 states have call successors, (25), 1 states have call predecessors, (25), 15 states have return successors, (42), 26 states have call predecessors, (42), 22 states have call successors, (42) Word has length 569 [2021-10-28 23:01:51,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:01:51,587 INFO L225 Difference]: With dead ends: 228 [2021-10-28 23:01:51,587 INFO L226 Difference]: Without dead ends: 138 [2021-10-28 23:01:51,590 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 734 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=558, Invalid=2094, Unknown=0, NotChecked=0, Total=2652 [2021-10-28 23:01:51,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-10-28 23:01:51,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 118. [2021-10-28 23:01:51,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 84 states have (on average 1.0357142857142858) internal successors, (87), 82 states have internal predecessors, (87), 23 states have call successors, (23), 18 states have call predecessors, (23), 10 states have return successors, (54), 17 states have call predecessors, (54), 23 states have call successors, (54) [2021-10-28 23:01:51,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2021-10-28 23:01:51,603 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 569 [2021-10-28 23:01:51,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:01:51,604 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2021-10-28 23:01:51,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 30 states have internal predecessors, (69), 22 states have call successors, (25), 1 states have call predecessors, (25), 15 states have return successors, (42), 26 states have call predecessors, (42), 22 states have call successors, (42) [2021-10-28 23:01:51,605 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2021-10-28 23:01:51,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2021-10-28 23:01:51,641 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:01:51,641 INFO L513 BasicCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:51,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:51,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 23:01:51,866 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:01:51,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:51,867 INFO L85 PathProgramCache]: Analyzing trace with hash -586878367, now seen corresponding path program 8 times [2021-10-28 23:01:51,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:51,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478471882] [2021-10-28 23:01:51,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:51,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:52,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-28 23:01:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:01:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-10-28 23:01:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-10-28 23:01:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:53,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:01:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-10-28 23:01:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:01:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-10-28 23:01:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-10-28 23:01:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:01:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:01:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:01:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:01:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:01:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:01:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3273 proven. 6787 refuted. 0 times theorem prover too weak. 40850 trivial. 0 not checked. [2021-10-28 23:01:54,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:01:54,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478471882] [2021-10-28 23:01:54,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478471882] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:54,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706729486] [2021-10-28 23:01:54,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:01:54,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:54,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:54,948 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:01:54,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 23:01:55,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:01:55,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:01:55,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 2079 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-28 23:01:55,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 724 proven. 5622 refuted. 0 times theorem prover too weak. 44564 trivial. 0 not checked. [2021-10-28 23:01:58,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706729486] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:01:58,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:01:58,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 13] total 34 [2021-10-28 23:01:58,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119932220] [2021-10-28 23:01:58,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-10-28 23:01:58,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:01:58,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-10-28 23:01:58,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=882, Unknown=0, NotChecked=0, Total=1122 [2021-10-28 23:01:58,120 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 34 states, 33 states have (on average 2.303030303030303) internal successors, (76), 34 states have internal predecessors, (76), 25 states have call successors, (28), 1 states have call predecessors, (28), 17 states have return successors, (48), 30 states have call predecessors, (48), 25 states have call successors, (48) [2021-10-28 23:01:59,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:01:59,115 INFO L93 Difference]: Finished difference Result 266 states and 450 transitions. [2021-10-28 23:01:59,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-28 23:01:59,116 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 2.303030303030303) internal successors, (76), 34 states have internal predecessors, (76), 25 states have call successors, (28), 1 states have call predecessors, (28), 17 states have return successors, (48), 30 states have call predecessors, (48), 25 states have call successors, (48) Word has length 923 [2021-10-28 23:01:59,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:01:59,121 INFO L225 Difference]: With dead ends: 266 [2021-10-28 23:01:59,121 INFO L226 Difference]: Without dead ends: 159 [2021-10-28 23:01:59,124 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1250 GetRequests, 1192 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1014 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=712, Invalid=2828, Unknown=0, NotChecked=0, Total=3540 [2021-10-28 23:01:59,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-10-28 23:01:59,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 135. [2021-10-28 23:01:59,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 96 states have (on average 1.03125) internal successors, (99), 94 states have internal predecessors, (99), 27 states have call successors, (27), 21 states have call predecessors, (27), 11 states have return successors, (67), 19 states have call predecessors, (67), 27 states have call successors, (67) [2021-10-28 23:01:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 193 transitions. [2021-10-28 23:01:59,142 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 193 transitions. Word has length 923 [2021-10-28 23:01:59,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:01:59,143 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 193 transitions. [2021-10-28 23:01:59,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 2.303030303030303) internal successors, (76), 34 states have internal predecessors, (76), 25 states have call successors, (28), 1 states have call predecessors, (28), 17 states have return successors, (48), 30 states have call predecessors, (48), 25 states have call successors, (48) [2021-10-28 23:01:59,144 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 193 transitions. [2021-10-28 23:01:59,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1496 [2021-10-28 23:01:59,166 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:01:59,167 INFO L513 BasicCegarLoop]: trace histogram [219, 219, 177, 109, 109, 109, 109, 109, 109, 109, 68, 42, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:59,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:01:59,394 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:01:59,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:59,395 INFO L85 PathProgramCache]: Analyzing trace with hash -670718281, now seen corresponding path program 9 times [2021-10-28 23:01:59,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:59,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549417766] [2021-10-28 23:01:59,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:59,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:01,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-28 23:02:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:02,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:02:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:02:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-10-28 23:02:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:02:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-10-28 23:02:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:02:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:02:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-10-28 23:02:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:02:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:02:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-10-28 23:02:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:02:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2021-10-28 23:02:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:02:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:02:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-10-28 23:02:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:02:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-10-28 23:02:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:02:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:02:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-10-28 23:02:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:02:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-10-28 23:02:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-10-28 23:02:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-10-28 23:02:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-10-28 23:02:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 23:02:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-10-28 23:02:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-10-28 23:02:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,760 INFO L134 CoverageAnalysis]: Checked inductivity of 134604 backedges. 6145 proven. 13082 refuted. 0 times theorem prover too weak. 115377 trivial. 0 not checked. [2021-10-28 23:02:05,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:02:05,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549417766] [2021-10-28 23:02:05,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549417766] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:02:05,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472188432] [2021-10-28 23:02:05,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 23:02:05,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:02:05,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:05,766 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:02:05,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 23:02:07,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 104 check-sat command(s) [2021-10-28 23:02:07,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:02:07,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 23:02:07,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 134604 backedges. 5994 proven. 991 refuted. 0 times theorem prover too weak. 127619 trivial. 0 not checked. [2021-10-28 23:02:11,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472188432] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:02:11,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:02:11,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 10] total 40 [2021-10-28 23:02:11,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26215881] [2021-10-28 23:02:11,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-10-28 23:02:11,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:02:11,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-10-28 23:02:11,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1240, Unknown=0, NotChecked=0, Total=1560 [2021-10-28 23:02:11,157 INFO L87 Difference]: Start difference. First operand 135 states and 193 transitions. Second operand has 40 states, 39 states have (on average 2.0256410256410255) internal successors, (79), 40 states have internal predecessors, (79), 19 states have call successors, (23), 1 states have call predecessors, (23), 21 states have return successors, (42), 36 states have call predecessors, (42), 19 states have call successors, (42) [2021-10-28 23:02:12,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:02:12,755 INFO L93 Difference]: Finished difference Result 343 states and 686 transitions. [2021-10-28 23:02:12,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-28 23:02:12,756 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 2.0256410256410255) internal successors, (79), 40 states have internal predecessors, (79), 19 states have call successors, (23), 1 states have call predecessors, (23), 21 states have return successors, (42), 36 states have call predecessors, (42), 19 states have call successors, (42) Word has length 1495 [2021-10-28 23:02:12,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:02:12,764 INFO L225 Difference]: With dead ends: 343 [2021-10-28 23:02:12,764 INFO L226 Difference]: Without dead ends: 191 [2021-10-28 23:02:12,769 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2003 GetRequests, 1930 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1718 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1021, Invalid=4529, Unknown=0, NotChecked=0, Total=5550 [2021-10-28 23:02:12,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-28 23:02:12,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 161. [2021-10-28 23:02:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 115 states have (on average 1.017391304347826) internal successors, (117), 113 states have internal predecessors, (117), 34 states have call successors, (34), 27 states have call predecessors, (34), 11 states have return successors, (71), 20 states have call predecessors, (71), 34 states have call successors, (71) [2021-10-28 23:02:12,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 222 transitions. [2021-10-28 23:02:12,791 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 222 transitions. Word has length 1495 [2021-10-28 23:02:12,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:02:12,794 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 222 transitions. [2021-10-28 23:02:12,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 2.0256410256410255) internal successors, (79), 40 states have internal predecessors, (79), 19 states have call successors, (23), 1 states have call predecessors, (23), 21 states have return successors, (42), 36 states have call predecessors, (42), 19 states have call successors, (42) [2021-10-28 23:02:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 222 transitions. [2021-10-28 23:02:12,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1210 [2021-10-28 23:02:12,811 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:02:12,812 INFO L513 BasicCegarLoop]: trace histogram [177, 177, 143, 88, 88, 88, 88, 88, 88, 88, 55, 34, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:02:12,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:13,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:02:13,019 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:02:13,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:13,020 INFO L85 PathProgramCache]: Analyzing trace with hash 15284780, now seen corresponding path program 10 times [2021-10-28 23:02:13,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:02:13,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840904601] [2021-10-28 23:02:13,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:13,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:02:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:13,488 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:02:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:14,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:02:14,823 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:02:14,825 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:02:14,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:02:14,834 INFO L731 BasicCegarLoop]: Path program histogram: [10, 1, 1, 1] [2021-10-28 23:02:14,841 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:02:15,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:02:15 BoogieIcfgContainer [2021-10-28 23:02:15,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:02:15,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:02:15,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:02:15,253 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:02:15,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:01:34" (3/4) ... [2021-10-28 23:02:15,256 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:02:15,644 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:02:15,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:02:15,648 INFO L168 Benchmark]: Toolchain (without parser) took 41250.24 ms. Allocated memory was 142.6 MB in the beginning and 478.2 MB in the end (delta: 335.5 MB). Free memory was 110.5 MB in the beginning and 264.0 MB in the end (delta: -153.5 MB). Peak memory consumption was 181.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:15,648 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 55.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:02:15,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.20 ms. Allocated memory is still 142.6 MB. Free memory was 110.5 MB in the beginning and 118.2 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:15,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.68 ms. Allocated memory is still 142.6 MB. Free memory was 118.2 MB in the beginning and 116.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:15,650 INFO L168 Benchmark]: Boogie Preprocessor took 19.22 ms. Allocated memory is still 142.6 MB. Free memory was 116.9 MB in the beginning and 116.1 MB in the end (delta: 818.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:02:15,651 INFO L168 Benchmark]: RCFGBuilder took 251.44 ms. Allocated memory is still 142.6 MB. Free memory was 116.1 MB in the beginning and 106.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:15,651 INFO L168 Benchmark]: TraceAbstraction took 40302.12 ms. Allocated memory was 142.6 MB in the beginning and 478.2 MB in the end (delta: 335.5 MB). Free memory was 106.0 MB in the beginning and 313.3 MB in the end (delta: -207.2 MB). Peak memory consumption was 350.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:15,652 INFO L168 Benchmark]: Witness Printer took 393.50 ms. Allocated memory is still 478.2 MB. Free memory was 312.2 MB in the beginning and 264.0 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:15,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 55.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 245.20 ms. Allocated memory is still 142.6 MB. Free memory was 110.5 MB in the beginning and 118.2 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.68 ms. Allocated memory is still 142.6 MB. Free memory was 118.2 MB in the beginning and 116.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.22 ms. Allocated memory is still 142.6 MB. Free memory was 116.9 MB in the beginning and 116.1 MB in the end (delta: 818.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 251.44 ms. Allocated memory is still 142.6 MB. Free memory was 116.1 MB in the beginning and 106.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 40302.12 ms. Allocated memory was 142.6 MB in the beginning and 478.2 MB in the end (delta: 335.5 MB). Free memory was 106.0 MB in the beginning and 313.3 MB in the end (delta: -207.2 MB). Peak memory consumption was 350.4 MB. Max. memory is 16.1 GB. * Witness Printer took 393.50 ms. Allocated memory is still 478.2 MB. Free memory was 312.2 MB in the beginning and 264.0 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 29]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] int x = 10; [L27] CALL, EXPR fibo(x) VAL [\old(n)=10] [L8] COND FALSE !(n < 1) VAL [\old(n)=10, n=10] [L10] COND FALSE !(n == 1) VAL [\old(n)=10, n=10] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=9] [L8] COND FALSE !(n < 1) VAL [\old(n)=9, n=9] [L10] COND FALSE !(n == 1) VAL [\old(n)=9, n=9] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=8] [L8] COND FALSE !(n < 1) VAL [\old(n)=8, n=8] [L10] COND FALSE !(n == 1) VAL [\old(n)=8, n=8] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=7] [L8] COND FALSE !(n < 1) VAL [\old(n)=7, n=7] [L10] COND FALSE !(n == 1) VAL [\old(n)=7, n=7] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=6] [L8] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L10] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=5] [L8] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L10] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=6, fibo(n-1)=5, n=6] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=6, fibo(n-1)=5, fibo(n-2)=3, n=6] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=7, fibo(n-1)=8, n=7] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=5] [L8] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L10] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=7, fibo(n-1)=8, fibo(n-2)=5, n=7] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=8, fibo(n-1)=13, n=8] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=6] [L8] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L10] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=5] [L8] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L10] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=6, fibo(n-1)=5, n=6] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=6, fibo(n-1)=5, fibo(n-2)=3, n=6] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=8, fibo(n-1)=13, fibo(n-2)=8, n=8] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=9, fibo(n-1)=21, n=9] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=7] [L8] COND FALSE !(n < 1) VAL [\old(n)=7, n=7] [L10] COND FALSE !(n == 1) VAL [\old(n)=7, n=7] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=6] [L8] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L10] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=5] [L8] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L10] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=6, fibo(n-1)=5, n=6] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=6, fibo(n-1)=5, fibo(n-2)=3, n=6] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=7, fibo(n-1)=8, n=7] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=5] [L8] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L10] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=7, fibo(n-1)=8, fibo(n-2)=5, n=7] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=9, fibo(n-1)=21, fibo(n-2)=13, n=9] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=10, fibo(n-1)=34, n=10] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=8] [L8] COND FALSE !(n < 1) VAL [\old(n)=8, n=8] [L10] COND FALSE !(n == 1) VAL [\old(n)=8, n=8] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=7] [L8] COND FALSE !(n < 1) VAL [\old(n)=7, n=7] [L10] COND FALSE !(n == 1) VAL [\old(n)=7, n=7] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=6] [L8] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L10] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=5] [L8] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L10] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=6, fibo(n-1)=5, n=6] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=6, fibo(n-1)=5, fibo(n-2)=3, n=6] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=7, fibo(n-1)=8, n=7] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=5] [L8] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L10] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=7, fibo(n-1)=8, fibo(n-2)=5, n=7] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=8, fibo(n-1)=13, n=8] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=6] [L8] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L10] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=5] [L8] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L10] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=6, fibo(n-1)=5, n=6] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L13] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=6, fibo(n-1)=5, fibo(n-2)=3, n=6] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=8, fibo(n-1)=13, fibo(n-2)=8, n=8] [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) VAL [\old(n)=10, fibo(n-1)=34, fibo(n-2)=21, n=10] [L13] return fibo(n-1) + fibo(n-2); [L27] RET, EXPR fibo(x) [L27] int result = fibo(x); [L28] COND TRUE result == 55 [L29] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 39.8s, OverallIterations: 13, TraceHistogramMax: 219, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.1s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 292 SDtfs, 1338 SDslu, 1173 SDs, 0 SdLazy, 3484 SolverSat, 1649 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5295 GetRequests, 4961 SyntacticMatches, 3 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4576 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=12, InterpolantAutomatonStates: 273, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 111 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 24.0s InterpolantComputationTime, 8928 NumberOfCodeBlocks, 7994 NumberOfCodeBlocksAsserted, 174 NumberOfCheckSat, 7697 ConstructedInterpolants, 0 QuantifiedInterpolants, 10169 SizeOfPredicates, 53 NumberOfNonLiveVariables, 6696 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 22 InterpolantComputations, 2 PerfectInterpolantSequences, 393728/431468 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 RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:02:15,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bee3904-f34a-44ad-88ae-990c6e3e0c79/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...