./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c49e8ae23817aa2c6b4293aba2a0dafa15622f84ed9ad9570ae0d323ad70f2e2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:26:08,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:26:08,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:26:08,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:26:08,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:26:08,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:26:08,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:26:08,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:26:08,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:26:08,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:26:08,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:26:08,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:26:08,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:26:08,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:26:08,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:26:08,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:26:08,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:26:08,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:26:08,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:26:08,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:26:08,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:26:08,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:26:08,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:26:08,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:26:08,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:26:08,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:26:08,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:26:08,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:26:08,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:26:08,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:26:08,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:26:08,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:26:08,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:26:08,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:26:08,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:26:08,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:26:08,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:26:08,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:26:08,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:26:08,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:26:08,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:26:08,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:26:08,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:26:08,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:26:08,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:26:08,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:26:08,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:26:08,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:26:08,707 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:26:08,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:26:08,707 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:26:08,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:26:08,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:26:08,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:26:08,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:26:08,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:26:08,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:26:08,711 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:26:08,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:26:08,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:26:08,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:26:08,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:26:08,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:26:08,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:26:08,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:26:08,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:26:08,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:26:08,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:26:08,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:26:08,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:26:08,714 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:26:08,715 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:26:08,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:26:08,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:26:08,716 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_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c49e8ae23817aa2c6b4293aba2a0dafa15622f84ed9ad9570ae0d323ad70f2e2 [2021-10-21 20:26:09,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:26:09,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:26:09,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:26:09,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:26:09,177 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:26:09,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2021-10-21 20:26:09,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/data/e20eae5e7/70db967d8f734401a9938a5f3cee0438/FLAG8ef51ebc6 [2021-10-21 20:26:10,017 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:26:10,017 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2021-10-21 20:26:10,037 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/data/e20eae5e7/70db967d8f734401a9938a5f3cee0438/FLAG8ef51ebc6 [2021-10-21 20:26:10,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/data/e20eae5e7/70db967d8f734401a9938a5f3cee0438 [2021-10-21 20:26:10,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:26:10,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:26:10,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:26:10,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:26:10,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:26:10,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:26:10" (1/1) ... [2021-10-21 20:26:10,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3673a6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:10, skipping insertion in model container [2021-10-21 20:26:10,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:26:10" (1/1) ... [2021-10-21 20:26:10,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:26:10,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:26:11,131 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_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/sv-benchmarks/c/eca-rers2012/Problem03_label24.c[60015,60028] [2021-10-21 20:26:11,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:26:11,188 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:26:11,500 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_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/sv-benchmarks/c/eca-rers2012/Problem03_label24.c[60015,60028] [2021-10-21 20:26:11,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:26:11,539 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:26:11,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:11 WrapperNode [2021-10-21 20:26:11,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:26:11,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:26:11,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:26:11,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:26:11,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:11" (1/1) ... [2021-10-21 20:26:11,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:11" (1/1) ... [2021-10-21 20:26:11,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:26:11,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:26:11,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:26:11,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:26:11,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:11" (1/1) ... [2021-10-21 20:26:11,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:11" (1/1) ... [2021-10-21 20:26:11,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:11" (1/1) ... [2021-10-21 20:26:11,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:11" (1/1) ... [2021-10-21 20:26:11,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:11" (1/1) ... [2021-10-21 20:26:11,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:11" (1/1) ... [2021-10-21 20:26:11,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:11" (1/1) ... [2021-10-21 20:26:11,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:26:11,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:26:11,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:26:11,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:26:11,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:11" (1/1) ... [2021-10-21 20:26:11,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:26:11,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:11,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:11,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:26:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:26:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:26:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:26:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:26:14,367 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:26:14,368 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 20:26:14,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:26:14 BoogieIcfgContainer [2021-10-21 20:26:14,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:26:14,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:26:14,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:26:14,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:26:14,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:26:10" (1/3) ... [2021-10-21 20:26:14,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0a82db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:26:14, skipping insertion in model container [2021-10-21 20:26:14,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:11" (2/3) ... [2021-10-21 20:26:14,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0a82db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:26:14, skipping insertion in model container [2021-10-21 20:26:14,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:26:14" (3/3) ... [2021-10-21 20:26:14,386 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label24.c [2021-10-21 20:26:14,392 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:26:14,393 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:26:14,453 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:26:14,461 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:26:14,461 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:26:14,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-10-21 20:26:14,509 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:14,510 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:14,511 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:14,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:14,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1612939027, now seen corresponding path program 1 times [2021-10-21 20:26:14,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:14,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361638768] [2021-10-21 20:26:14,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:14,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:15,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:15,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361638768] [2021-10-21 20:26:15,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361638768] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:15,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:15,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:26:15,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979701546] [2021-10-21 20:26:15,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:15,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:15,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:15,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:15,355 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:16,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:16,876 INFO L93 Difference]: Finished difference Result 835 states and 1478 transitions. [2021-10-21 20:26:16,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:16,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2021-10-21 20:26:16,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:16,897 INFO L225 Difference]: With dead ends: 835 [2021-10-21 20:26:16,897 INFO L226 Difference]: Without dead ends: 456 [2021-10-21 20:26:16,903 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:16,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2021-10-21 20:26:17,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 451. [2021-10-21 20:26:17,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 450 states have (on average 1.5622222222222222) internal successors, (703), 450 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:17,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 703 transitions. [2021-10-21 20:26:17,048 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 703 transitions. Word has length 191 [2021-10-21 20:26:17,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:17,053 INFO L470 AbstractCegarLoop]: Abstraction has 451 states and 703 transitions. [2021-10-21 20:26:17,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:17,054 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 703 transitions. [2021-10-21 20:26:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-10-21 20:26:17,073 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:17,074 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:17,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:26:17,075 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:17,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:17,081 INFO L82 PathProgramCache]: Analyzing trace with hash -575763515, now seen corresponding path program 1 times [2021-10-21 20:26:17,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:17,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865793987] [2021-10-21 20:26:17,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:17,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:17,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:17,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865793987] [2021-10-21 20:26:17,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865793987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:17,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:17,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:26:17,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407009552] [2021-10-21 20:26:17,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:17,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:17,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:17,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:17,314 INFO L87 Difference]: Start difference. First operand 451 states and 703 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:18,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:18,394 INFO L93 Difference]: Finished difference Result 1330 states and 2076 transitions. [2021-10-21 20:26:18,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:18,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 197 [2021-10-21 20:26:18,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:18,404 INFO L225 Difference]: With dead ends: 1330 [2021-10-21 20:26:18,405 INFO L226 Difference]: Without dead ends: 881 [2021-10-21 20:26:18,411 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:18,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2021-10-21 20:26:18,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 878. [2021-10-21 20:26:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 877 states have (on average 1.4811858608893957) internal successors, (1299), 877 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1299 transitions. [2021-10-21 20:26:18,480 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1299 transitions. Word has length 197 [2021-10-21 20:26:18,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:18,480 INFO L470 AbstractCegarLoop]: Abstraction has 878 states and 1299 transitions. [2021-10-21 20:26:18,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1299 transitions. [2021-10-21 20:26:18,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-10-21 20:26:18,486 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:18,487 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:18,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:26:18,488 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:18,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:18,490 INFO L82 PathProgramCache]: Analyzing trace with hash -141804039, now seen corresponding path program 1 times [2021-10-21 20:26:18,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:18,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913803830] [2021-10-21 20:26:18,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:18,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:18,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:18,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913803830] [2021-10-21 20:26:18,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913803830] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:18,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:18,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:26:18,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112841457] [2021-10-21 20:26:18,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:18,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:18,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:18,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:18,667 INFO L87 Difference]: Start difference. First operand 878 states and 1299 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:19,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:19,820 INFO L93 Difference]: Finished difference Result 2591 states and 3839 transitions. [2021-10-21 20:26:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:19,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 201 [2021-10-21 20:26:19,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:19,834 INFO L225 Difference]: With dead ends: 2591 [2021-10-21 20:26:19,834 INFO L226 Difference]: Without dead ends: 1715 [2021-10-21 20:26:19,836 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:19,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2021-10-21 20:26:19,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1714. [2021-10-21 20:26:19,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1713 states have (on average 1.4162288382953883) internal successors, (2426), 1713 states have internal predecessors, (2426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:19,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2426 transitions. [2021-10-21 20:26:19,928 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2426 transitions. Word has length 201 [2021-10-21 20:26:19,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:19,929 INFO L470 AbstractCegarLoop]: Abstraction has 1714 states and 2426 transitions. [2021-10-21 20:26:19,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:19,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2426 transitions. [2021-10-21 20:26:19,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-10-21 20:26:19,936 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:19,937 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:19,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:26:19,938 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:19,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:19,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1812753892, now seen corresponding path program 1 times [2021-10-21 20:26:19,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:19,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836744761] [2021-10-21 20:26:19,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:19,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:20,036 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:20,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:20,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836744761] [2021-10-21 20:26:20,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836744761] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:20,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:20,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:26:20,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131130256] [2021-10-21 20:26:20,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:20,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:20,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:20,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:20,048 INFO L87 Difference]: Start difference. First operand 1714 states and 2426 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:21,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:21,134 INFO L93 Difference]: Finished difference Result 5071 states and 7181 transitions. [2021-10-21 20:26:21,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:21,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 206 [2021-10-21 20:26:21,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:21,159 INFO L225 Difference]: With dead ends: 5071 [2021-10-21 20:26:21,159 INFO L226 Difference]: Without dead ends: 3359 [2021-10-21 20:26:21,163 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:21,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3359 states. [2021-10-21 20:26:21,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3359 to 3354. [2021-10-21 20:26:21,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3354 states, 3353 states have (on average 1.3584849388607216) internal successors, (4555), 3353 states have internal predecessors, (4555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:21,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 3354 states and 4555 transitions. [2021-10-21 20:26:21,272 INFO L78 Accepts]: Start accepts. Automaton has 3354 states and 4555 transitions. Word has length 206 [2021-10-21 20:26:21,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:21,273 INFO L470 AbstractCegarLoop]: Abstraction has 3354 states and 4555 transitions. [2021-10-21 20:26:21,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3354 states and 4555 transitions. [2021-10-21 20:26:21,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-10-21 20:26:21,283 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:21,284 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:21,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:26:21,284 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:21,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:21,285 INFO L82 PathProgramCache]: Analyzing trace with hash 371855278, now seen corresponding path program 1 times [2021-10-21 20:26:21,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:21,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140786484] [2021-10-21 20:26:21,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:21,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:26:21,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:21,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140786484] [2021-10-21 20:26:21,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140786484] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:21,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:21,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:26:21,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509271513] [2021-10-21 20:26:21,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:21,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:21,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:21,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:21,456 INFO L87 Difference]: Start difference. First operand 3354 states and 4555 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 2 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:22,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:22,644 INFO L93 Difference]: Finished difference Result 9955 states and 13518 transitions. [2021-10-21 20:26:22,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:22,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 2 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 208 [2021-10-21 20:26:22,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:22,686 INFO L225 Difference]: With dead ends: 9955 [2021-10-21 20:26:22,687 INFO L226 Difference]: Without dead ends: 6603 [2021-10-21 20:26:22,693 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:22,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6603 states. [2021-10-21 20:26:22,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6603 to 6602. [2021-10-21 20:26:22,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6602 states, 6601 states have (on average 1.2439024390243902) internal successors, (8211), 6601 states have internal predecessors, (8211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6602 states to 6602 states and 8211 transitions. [2021-10-21 20:26:22,940 INFO L78 Accepts]: Start accepts. Automaton has 6602 states and 8211 transitions. Word has length 208 [2021-10-21 20:26:22,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:22,941 INFO L470 AbstractCegarLoop]: Abstraction has 6602 states and 8211 transitions. [2021-10-21 20:26:22,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 2 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:22,942 INFO L276 IsEmpty]: Start isEmpty. Operand 6602 states and 8211 transitions. [2021-10-21 20:26:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-21 20:26:22,959 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:22,960 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:22,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:26:22,960 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:22,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:22,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1464925484, now seen corresponding path program 1 times [2021-10-21 20:26:22,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:22,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576599144] [2021-10-21 20:26:22,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:22,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:23,094 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 20:26:23,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:23,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576599144] [2021-10-21 20:26:23,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576599144] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:26:23,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751877564] [2021-10-21 20:26:23,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:23,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:26:23,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:23,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:26:23,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:26:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:23,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:26:23,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:26:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-21 20:26:24,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751877564] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:24,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:26:24,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 20:26:24,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050574706] [2021-10-21 20:26:24,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:24,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:24,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:24,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:26:24,284 INFO L87 Difference]: Start difference. First operand 6602 states and 8211 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:25,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:25,581 INFO L93 Difference]: Finished difference Result 19732 states and 24550 transitions. [2021-10-21 20:26:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:25,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 218 [2021-10-21 20:26:25,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:25,683 INFO L225 Difference]: With dead ends: 19732 [2021-10-21 20:26:25,684 INFO L226 Difference]: Without dead ends: 13132 [2021-10-21 20:26:25,695 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.7ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:26:25,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13132 states. [2021-10-21 20:26:25,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13132 to 13099. [2021-10-21 20:26:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13099 states, 13098 states have (on average 1.214078485264926) internal successors, (15902), 13098 states have internal predecessors, (15902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:26,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13099 states to 13099 states and 15902 transitions. [2021-10-21 20:26:26,184 INFO L78 Accepts]: Start accepts. Automaton has 13099 states and 15902 transitions. Word has length 218 [2021-10-21 20:26:26,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:26,185 INFO L470 AbstractCegarLoop]: Abstraction has 13099 states and 15902 transitions. [2021-10-21 20:26:26,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:26,185 INFO L276 IsEmpty]: Start isEmpty. Operand 13099 states and 15902 transitions. [2021-10-21 20:26:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-10-21 20:26:26,215 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:26,216 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:26,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:26,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:26:26,439 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:26,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:26,439 INFO L82 PathProgramCache]: Analyzing trace with hash 225162493, now seen corresponding path program 1 times [2021-10-21 20:26:26,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:26,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107902878] [2021-10-21 20:26:26,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:26,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:26,704 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 52 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-21 20:26:26,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:26,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107902878] [2021-10-21 20:26:26,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107902878] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:26:26,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882451770] [2021-10-21 20:26:26,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:26,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:26:26,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:26,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:26:26,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 20:26:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:27,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:26:27,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:26:27,778 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-21 20:26:27,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882451770] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:27,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:26:27,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 20:26:27,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119681721] [2021-10-21 20:26:27,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:27,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:27,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:27,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:26:27,783 INFO L87 Difference]: Start difference. First operand 13099 states and 15902 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:29,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:29,070 INFO L93 Difference]: Finished difference Result 32505 states and 39665 transitions. [2021-10-21 20:26:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:29,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 252 [2021-10-21 20:26:29,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:29,131 INFO L225 Difference]: With dead ends: 32505 [2021-10-21 20:26:29,131 INFO L226 Difference]: Without dead ends: 19408 [2021-10-21 20:26:29,155 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.4ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:26:29,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19408 states. [2021-10-21 20:26:29,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19408 to 19399. [2021-10-21 20:26:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19399 states, 19398 states have (on average 1.1904320032993092) internal successors, (23092), 19398 states have internal predecessors, (23092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:29,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19399 states to 19399 states and 23092 transitions. [2021-10-21 20:26:29,617 INFO L78 Accepts]: Start accepts. Automaton has 19399 states and 23092 transitions. Word has length 252 [2021-10-21 20:26:29,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:29,618 INFO L470 AbstractCegarLoop]: Abstraction has 19399 states and 23092 transitions. [2021-10-21 20:26:29,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:29,619 INFO L276 IsEmpty]: Start isEmpty. Operand 19399 states and 23092 transitions. [2021-10-21 20:26:29,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-10-21 20:26:29,738 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:29,738 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:29,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:29,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:26:29,957 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:29,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:29,957 INFO L82 PathProgramCache]: Analyzing trace with hash -311005589, now seen corresponding path program 1 times [2021-10-21 20:26:29,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:29,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546281180] [2021-10-21 20:26:29,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:29,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:26:30,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:30,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546281180] [2021-10-21 20:26:30,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546281180] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:30,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:30,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:26:30,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802743773] [2021-10-21 20:26:30,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:30,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:30,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:30,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:30,155 INFO L87 Difference]: Start difference. First operand 19399 states and 23092 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:31,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:31,485 INFO L93 Difference]: Finished difference Result 43900 states and 52377 transitions. [2021-10-21 20:26:31,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:31,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 260 [2021-10-21 20:26:31,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:31,545 INFO L225 Difference]: With dead ends: 43900 [2021-10-21 20:26:31,546 INFO L226 Difference]: Without dead ends: 24503 [2021-10-21 20:26:31,569 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:31,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24503 states. [2021-10-21 20:26:32,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24503 to 23256. [2021-10-21 20:26:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23256 states, 23255 states have (on average 1.1802623091808213) internal successors, (27447), 23255 states have internal predecessors, (27447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23256 states to 23256 states and 27447 transitions. [2021-10-21 20:26:32,105 INFO L78 Accepts]: Start accepts. Automaton has 23256 states and 27447 transitions. Word has length 260 [2021-10-21 20:26:32,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:32,107 INFO L470 AbstractCegarLoop]: Abstraction has 23256 states and 27447 transitions. [2021-10-21 20:26:32,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 23256 states and 27447 transitions. [2021-10-21 20:26:32,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-10-21 20:26:32,155 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:32,156 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:32,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:26:32,156 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:32,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:32,157 INFO L82 PathProgramCache]: Analyzing trace with hash -173040566, now seen corresponding path program 1 times [2021-10-21 20:26:32,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:32,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891821919] [2021-10-21 20:26:32,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:32,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:32,367 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:26:32,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:32,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891821919] [2021-10-21 20:26:32,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891821919] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:32,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:32,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:26:32,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958737026] [2021-10-21 20:26:32,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:32,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:32,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:32,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:32,373 INFO L87 Difference]: Start difference. First operand 23256 states and 27447 transitions. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 2 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:33,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:33,837 INFO L93 Difference]: Finished difference Result 46547 states and 54965 transitions. [2021-10-21 20:26:33,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:33,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 2 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 272 [2021-10-21 20:26:33,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:33,892 INFO L225 Difference]: With dead ends: 46547 [2021-10-21 20:26:33,893 INFO L226 Difference]: Without dead ends: 23293 [2021-10-21 20:26:33,922 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:33,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23293 states. [2021-10-21 20:26:34,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23293 to 23256. [2021-10-21 20:26:34,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23256 states, 23255 states have (on average 1.1745431090088152) internal successors, (27314), 23255 states have internal predecessors, (27314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:34,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23256 states to 23256 states and 27314 transitions. [2021-10-21 20:26:34,410 INFO L78 Accepts]: Start accepts. Automaton has 23256 states and 27314 transitions. Word has length 272 [2021-10-21 20:26:34,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:34,410 INFO L470 AbstractCegarLoop]: Abstraction has 23256 states and 27314 transitions. [2021-10-21 20:26:34,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 2 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 23256 states and 27314 transitions. [2021-10-21 20:26:34,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-10-21 20:26:34,443 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:34,444 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:34,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 20:26:34,445 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:34,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:34,445 INFO L82 PathProgramCache]: Analyzing trace with hash 822074886, now seen corresponding path program 1 times [2021-10-21 20:26:34,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:34,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013501169] [2021-10-21 20:26:34,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:34,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:34,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:34,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013501169] [2021-10-21 20:26:34,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013501169] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:34,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:34,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:26:34,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268915729] [2021-10-21 20:26:34,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:26:34,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:34,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:26:34,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:26:34,759 INFO L87 Difference]: Start difference. First operand 23256 states and 27314 transitions. Second operand has 4 states, 4 states have (on average 69.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:36,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:36,771 INFO L93 Difference]: Finished difference Result 51022 states and 60250 transitions. [2021-10-21 20:26:36,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:26:36,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 276 [2021-10-21 20:26:36,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:36,834 INFO L225 Difference]: With dead ends: 51022 [2021-10-21 20:26:36,835 INFO L226 Difference]: Without dead ends: 27768 [2021-10-21 20:26:36,851 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:26:36,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27768 states. [2021-10-21 20:26:37,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27768 to 24880. [2021-10-21 20:26:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24880 states, 24879 states have (on average 1.1862213111459463) internal successors, (29512), 24879 states have internal predecessors, (29512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:37,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24880 states to 24880 states and 29512 transitions. [2021-10-21 20:26:37,479 INFO L78 Accepts]: Start accepts. Automaton has 24880 states and 29512 transitions. Word has length 276 [2021-10-21 20:26:37,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:37,480 INFO L470 AbstractCegarLoop]: Abstraction has 24880 states and 29512 transitions. [2021-10-21 20:26:37,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 24880 states and 29512 transitions. [2021-10-21 20:26:37,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-21 20:26:37,508 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:37,508 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:37,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 20:26:37,509 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:37,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:37,510 INFO L82 PathProgramCache]: Analyzing trace with hash -860847823, now seen corresponding path program 1 times [2021-10-21 20:26:37,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:37,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137849799] [2021-10-21 20:26:37,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:37,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:37,664 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-21 20:26:37,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:37,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137849799] [2021-10-21 20:26:37,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137849799] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:26:37,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833821154] [2021-10-21 20:26:37,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:37,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:26:37,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:37,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:26:37,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 20:26:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:38,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:26:38,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:26:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-21 20:26:39,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833821154] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:39,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:26:39,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 20:26:39,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055485147] [2021-10-21 20:26:39,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:39,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:39,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:39,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:26:39,065 INFO L87 Difference]: Start difference. First operand 24880 states and 29512 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:40,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:40,295 INFO L93 Difference]: Finished difference Result 47733 states and 56758 transitions. [2021-10-21 20:26:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:40,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2021-10-21 20:26:40,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:40,340 INFO L225 Difference]: With dead ends: 47733 [2021-10-21 20:26:40,340 INFO L226 Difference]: Without dead ends: 22855 [2021-10-21 20:26:40,357 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.2ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:26:40,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22855 states. [2021-10-21 20:26:40,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22855 to 22846. [2021-10-21 20:26:40,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22846 states, 22845 states have (on average 1.1672576056029766) internal successors, (26666), 22845 states have internal predecessors, (26666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:40,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22846 states to 22846 states and 26666 transitions. [2021-10-21 20:26:40,852 INFO L78 Accepts]: Start accepts. Automaton has 22846 states and 26666 transitions. Word has length 283 [2021-10-21 20:26:40,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:40,853 INFO L470 AbstractCegarLoop]: Abstraction has 22846 states and 26666 transitions. [2021-10-21 20:26:40,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 22846 states and 26666 transitions. [2021-10-21 20:26:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-10-21 20:26:40,876 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:40,876 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:40,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:41,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-21 20:26:41,103 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:41,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:41,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1954846457, now seen corresponding path program 1 times [2021-10-21 20:26:41,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:41,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023755220] [2021-10-21 20:26:41,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:41,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:41,304 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:26:41,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:41,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023755220] [2021-10-21 20:26:41,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023755220] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:41,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:41,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:26:41,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134305431] [2021-10-21 20:26:41,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:41,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:41,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:41,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:41,309 INFO L87 Difference]: Start difference. First operand 22846 states and 26666 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:42,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:42,715 INFO L93 Difference]: Finished difference Result 48754 states and 56889 transitions. [2021-10-21 20:26:42,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:42,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 284 [2021-10-21 20:26:42,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:42,756 INFO L225 Difference]: With dead ends: 48754 [2021-10-21 20:26:42,757 INFO L226 Difference]: Without dead ends: 25910 [2021-10-21 20:26:42,775 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:42,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25910 states. [2021-10-21 20:26:43,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25910 to 25296. [2021-10-21 20:26:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25296 states, 25295 states have (on average 1.160861830401265) internal successors, (29364), 25295 states have internal predecessors, (29364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:43,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25296 states to 25296 states and 29364 transitions. [2021-10-21 20:26:43,305 INFO L78 Accepts]: Start accepts. Automaton has 25296 states and 29364 transitions. Word has length 284 [2021-10-21 20:26:43,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:43,305 INFO L470 AbstractCegarLoop]: Abstraction has 25296 states and 29364 transitions. [2021-10-21 20:26:43,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 25296 states and 29364 transitions. [2021-10-21 20:26:43,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-10-21 20:26:43,327 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:43,327 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:43,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 20:26:43,328 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:43,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:43,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1223799915, now seen corresponding path program 1 times [2021-10-21 20:26:43,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:43,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046510008] [2021-10-21 20:26:43,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:43,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-21 20:26:43,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:43,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046510008] [2021-10-21 20:26:43,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046510008] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:43,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:43,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:26:43,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247919006] [2021-10-21 20:26:43,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:43,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:43,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:43,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:43,427 INFO L87 Difference]: Start difference. First operand 25296 states and 29364 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:44,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:44,662 INFO L93 Difference]: Finished difference Result 63461 states and 73686 transitions. [2021-10-21 20:26:44,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:44,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 297 [2021-10-21 20:26:44,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:44,703 INFO L225 Difference]: With dead ends: 63461 [2021-10-21 20:26:44,703 INFO L226 Difference]: Without dead ends: 38167 [2021-10-21 20:26:44,721 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:44,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38167 states. [2021-10-21 20:26:45,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38167 to 38163. [2021-10-21 20:26:45,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38163 states, 38162 states have (on average 1.1591897699282008) internal successors, (44237), 38162 states have internal predecessors, (44237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38163 states to 38163 states and 44237 transitions. [2021-10-21 20:26:45,525 INFO L78 Accepts]: Start accepts. Automaton has 38163 states and 44237 transitions. Word has length 297 [2021-10-21 20:26:45,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:45,525 INFO L470 AbstractCegarLoop]: Abstraction has 38163 states and 44237 transitions. [2021-10-21 20:26:45,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 38163 states and 44237 transitions. [2021-10-21 20:26:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-10-21 20:26:45,572 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:45,573 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:45,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 20:26:45,573 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:45,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:45,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1718924768, now seen corresponding path program 1 times [2021-10-21 20:26:45,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:45,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397870353] [2021-10-21 20:26:45,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:45,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-21 20:26:45,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:45,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397870353] [2021-10-21 20:26:45,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397870353] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:26:45,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338109012] [2021-10-21 20:26:45,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:45,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:26:45,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:45,743 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:26:45,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 20:26:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:46,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:26:46,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:26:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-21 20:26:47,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338109012] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:47,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:26:47,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 20:26:47,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267889656] [2021-10-21 20:26:47,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:47,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:47,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:47,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:26:47,133 INFO L87 Difference]: Start difference. First operand 38163 states and 44237 transitions. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:48,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:48,346 INFO L93 Difference]: Finished difference Result 76351 states and 88525 transitions. [2021-10-21 20:26:48,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:48,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 304 [2021-10-21 20:26:48,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:48,386 INFO L225 Difference]: With dead ends: 76351 [2021-10-21 20:26:48,387 INFO L226 Difference]: Without dead ends: 38190 [2021-10-21 20:26:48,404 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.1ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:26:48,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38190 states. [2021-10-21 20:26:48,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38190 to 38163. [2021-10-21 20:26:48,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38163 states, 38162 states have (on average 1.1548923012420733) internal successors, (44073), 38162 states have internal predecessors, (44073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:48,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38163 states to 38163 states and 44073 transitions. [2021-10-21 20:26:48,979 INFO L78 Accepts]: Start accepts. Automaton has 38163 states and 44073 transitions. Word has length 304 [2021-10-21 20:26:48,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:48,980 INFO L470 AbstractCegarLoop]: Abstraction has 38163 states and 44073 transitions. [2021-10-21 20:26:48,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:48,980 INFO L276 IsEmpty]: Start isEmpty. Operand 38163 states and 44073 transitions. [2021-10-21 20:26:49,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-10-21 20:26:49,009 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:49,009 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:49,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:49,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-21 20:26:49,226 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:49,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:49,227 INFO L82 PathProgramCache]: Analyzing trace with hash 2143417981, now seen corresponding path program 1 times [2021-10-21 20:26:49,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:49,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885767967] [2021-10-21 20:26:49,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:49,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:49,394 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:49,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:49,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885767967] [2021-10-21 20:26:49,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885767967] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:49,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:49,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:26:49,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616738626] [2021-10-21 20:26:49,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:26:49,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:49,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:26:49,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:26:49,398 INFO L87 Difference]: Start difference. First operand 38163 states and 44073 transitions. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:51,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:51,136 INFO L93 Difference]: Finished difference Result 110223 states and 127384 transitions. [2021-10-21 20:26:51,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:26:51,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 317 [2021-10-21 20:26:51,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:51,223 INFO L225 Difference]: With dead ends: 110223 [2021-10-21 20:26:51,223 INFO L226 Difference]: Without dead ends: 72062 [2021-10-21 20:26:51,250 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:26:51,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72062 states. [2021-10-21 20:26:52,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72062 to 67328. [2021-10-21 20:26:52,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67328 states, 67327 states have (on average 1.1624608255231927) internal successors, (78265), 67327 states have internal predecessors, (78265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:52,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67328 states to 67328 states and 78265 transitions. [2021-10-21 20:26:52,570 INFO L78 Accepts]: Start accepts. Automaton has 67328 states and 78265 transitions. Word has length 317 [2021-10-21 20:26:52,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:52,570 INFO L470 AbstractCegarLoop]: Abstraction has 67328 states and 78265 transitions. [2021-10-21 20:26:52,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:52,571 INFO L276 IsEmpty]: Start isEmpty. Operand 67328 states and 78265 transitions. [2021-10-21 20:26:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-10-21 20:26:52,604 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:52,604 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:52,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 20:26:52,604 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:52,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:52,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1958166679, now seen corresponding path program 1 times [2021-10-21 20:26:52,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:52,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107211523] [2021-10-21 20:26:52,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:52,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-10-21 20:26:52,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:52,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107211523] [2021-10-21 20:26:52,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107211523] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:52,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:52,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:26:52,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264868275] [2021-10-21 20:26:52,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:52,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:52,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:52,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:52,735 INFO L87 Difference]: Start difference. First operand 67328 states and 78265 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:54,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:54,076 INFO L93 Difference]: Finished difference Result 127661 states and 147768 transitions. [2021-10-21 20:26:54,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:54,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 332 [2021-10-21 20:26:54,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:54,160 INFO L225 Difference]: With dead ends: 127661 [2021-10-21 20:26:54,161 INFO L226 Difference]: Without dead ends: 60335 [2021-10-21 20:26:54,189 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:54,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60335 states. [2021-10-21 20:26:54,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60335 to 60330. [2021-10-21 20:26:55,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60330 states, 60329 states have (on average 1.1249813522518193) internal successors, (67869), 60329 states have internal predecessors, (67869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60330 states to 60330 states and 67869 transitions. [2021-10-21 20:26:55,098 INFO L78 Accepts]: Start accepts. Automaton has 60330 states and 67869 transitions. Word has length 332 [2021-10-21 20:26:55,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:55,099 INFO L470 AbstractCegarLoop]: Abstraction has 60330 states and 67869 transitions. [2021-10-21 20:26:55,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand 60330 states and 67869 transitions. [2021-10-21 20:26:55,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-10-21 20:26:55,129 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:55,130 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:55,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 20:26:55,131 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:55,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:55,131 INFO L82 PathProgramCache]: Analyzing trace with hash 367061888, now seen corresponding path program 1 times [2021-10-21 20:26:55,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:55,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324458991] [2021-10-21 20:26:55,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:55,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:55,609 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-21 20:26:55,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:55,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324458991] [2021-10-21 20:26:55,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324458991] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:55,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:55,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:26:55,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889523984] [2021-10-21 20:26:55,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:55,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:55,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:55,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:55,612 INFO L87 Difference]: Start difference. First operand 60330 states and 67869 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:56,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:56,708 INFO L93 Difference]: Finished difference Result 118823 states and 133622 transitions. [2021-10-21 20:26:56,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:56,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 365 [2021-10-21 20:26:56,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:56,778 INFO L225 Difference]: With dead ends: 118823 [2021-10-21 20:26:56,778 INFO L226 Difference]: Without dead ends: 56465 [2021-10-21 20:26:56,809 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:56,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56465 states. [2021-10-21 20:26:57,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56465 to 49759. [2021-10-21 20:26:57,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49759 states, 49758 states have (on average 1.083484062864263) internal successors, (53912), 49758 states have internal predecessors, (53912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49759 states to 49759 states and 53912 transitions. [2021-10-21 20:26:57,737 INFO L78 Accepts]: Start accepts. Automaton has 49759 states and 53912 transitions. Word has length 365 [2021-10-21 20:26:57,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:57,737 INFO L470 AbstractCegarLoop]: Abstraction has 49759 states and 53912 transitions. [2021-10-21 20:26:57,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 49759 states and 53912 transitions. [2021-10-21 20:26:57,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-10-21 20:26:57,768 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:57,769 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:57,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 20:26:57,769 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:26:57,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:57,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1151356727, now seen corresponding path program 1 times [2021-10-21 20:26:57,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:57,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512434662] [2021-10-21 20:26:57,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:57,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:57,924 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-10-21 20:26:57,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:57,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512434662] [2021-10-21 20:26:57,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512434662] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:57,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:57,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:26:57,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394425844] [2021-10-21 20:26:57,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:26:57,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:57,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:26:57,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:26:57,927 INFO L87 Difference]: Start difference. First operand 49759 states and 53912 transitions. Second operand has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:59,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:59,479 INFO L93 Difference]: Finished difference Result 105846 states and 114676 transitions. [2021-10-21 20:26:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:26:59,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 425 [2021-10-21 20:26:59,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:59,536 INFO L225 Difference]: With dead ends: 105846 [2021-10-21 20:26:59,537 INFO L226 Difference]: Without dead ends: 55683 [2021-10-21 20:26:59,559 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:26:59,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55683 states. [2021-10-21 20:27:00,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55683 to 50370. [2021-10-21 20:27:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50370 states, 50369 states have (on average 1.0828287240167562) internal successors, (54541), 50369 states have internal predecessors, (54541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:00,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50370 states to 50370 states and 54541 transitions. [2021-10-21 20:27:00,382 INFO L78 Accepts]: Start accepts. Automaton has 50370 states and 54541 transitions. Word has length 425 [2021-10-21 20:27:00,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:00,382 INFO L470 AbstractCegarLoop]: Abstraction has 50370 states and 54541 transitions. [2021-10-21 20:27:00,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:00,383 INFO L276 IsEmpty]: Start isEmpty. Operand 50370 states and 54541 transitions. [2021-10-21 20:27:00,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2021-10-21 20:27:00,415 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:00,415 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:00,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-21 20:27:00,416 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:00,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:00,417 INFO L82 PathProgramCache]: Analyzing trace with hash 799394999, now seen corresponding path program 1 times [2021-10-21 20:27:00,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:00,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306315269] [2021-10-21 20:27:00,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:00,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 245 proven. 6 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-10-21 20:27:00,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:00,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306315269] [2021-10-21 20:27:00,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306315269] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:27:00,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590385048] [2021-10-21 20:27:00,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:00,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:27:00,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:00,622 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:27:00,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 20:27:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:01,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:27:01,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:01,980 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-10-21 20:27:01,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590385048] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:01,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:27:01,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-21 20:27:01,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694191434] [2021-10-21 20:27:01,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:27:01,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:01,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:27:01,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:27:01,984 INFO L87 Difference]: Start difference. First operand 50370 states and 54541 transitions. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 2 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:02,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:02,944 INFO L93 Difference]: Finished difference Result 150284 states and 162770 transitions. [2021-10-21 20:27:02,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:27:02,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 2 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 427 [2021-10-21 20:27:02,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:03,065 INFO L225 Difference]: With dead ends: 150284 [2021-10-21 20:27:03,066 INFO L226 Difference]: Without dead ends: 99916 [2021-10-21 20:27:03,099 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.0ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:27:03,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99916 states. [2021-10-21 20:27:04,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99916 to 97070. [2021-10-21 20:27:04,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97070 states, 97069 states have (on average 1.0846511244578598) internal successors, (105286), 97069 states have internal predecessors, (105286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:04,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97070 states to 97070 states and 105286 transitions. [2021-10-21 20:27:04,546 INFO L78 Accepts]: Start accepts. Automaton has 97070 states and 105286 transitions. Word has length 427 [2021-10-21 20:27:04,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:04,546 INFO L470 AbstractCegarLoop]: Abstraction has 97070 states and 105286 transitions. [2021-10-21 20:27:04,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 2 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:04,546 INFO L276 IsEmpty]: Start isEmpty. Operand 97070 states and 105286 transitions. [2021-10-21 20:27:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-10-21 20:27:04,595 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:04,595 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:04,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:04,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:27:04,808 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:04,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:04,809 INFO L82 PathProgramCache]: Analyzing trace with hash 94488694, now seen corresponding path program 1 times [2021-10-21 20:27:04,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:04,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642083507] [2021-10-21 20:27:04,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:04,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:05,524 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:27:05,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:05,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642083507] [2021-10-21 20:27:05,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642083507] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:05,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:05,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:27:05,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136161559] [2021-10-21 20:27:05,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:27:05,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:05,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:27:05,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:27:05,527 INFO L87 Difference]: Start difference. First operand 97070 states and 105286 transitions. Second operand has 4 states, 4 states have (on average 110.5) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:06,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:06,483 INFO L93 Difference]: Finished difference Result 147404 states and 159580 transitions. [2021-10-21 20:27:06,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:27:06,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 447 [2021-10-21 20:27:06,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:06,536 INFO L225 Difference]: With dead ends: 147404 [2021-10-21 20:27:06,537 INFO L226 Difference]: Without dead ends: 50336 [2021-10-21 20:27:06,573 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:27:06,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50336 states. [2021-10-21 20:27:07,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50336 to 36046. [2021-10-21 20:27:07,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36046 states, 36045 states have (on average 1.0642807601609099) internal successors, (38362), 36045 states have internal predecessors, (38362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36046 states to 36046 states and 38362 transitions. [2021-10-21 20:27:07,356 INFO L78 Accepts]: Start accepts. Automaton has 36046 states and 38362 transitions. Word has length 447 [2021-10-21 20:27:07,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:07,357 INFO L470 AbstractCegarLoop]: Abstraction has 36046 states and 38362 transitions. [2021-10-21 20:27:07,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 36046 states and 38362 transitions. [2021-10-21 20:27:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-10-21 20:27:07,378 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:07,378 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:07,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-21 20:27:07,379 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:07,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:07,380 INFO L82 PathProgramCache]: Analyzing trace with hash 73650928, now seen corresponding path program 1 times [2021-10-21 20:27:07,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:07,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138142977] [2021-10-21 20:27:07,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:07,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:07,654 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 394 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:07,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:07,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138142977] [2021-10-21 20:27:07,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138142977] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:27:07,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214166108] [2021-10-21 20:27:07,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:07,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:27:07,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:07,662 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:27:07,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-21 20:27:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:08,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:27:08,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-10-21 20:27:09,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214166108] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:09,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:27:09,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 20:27:09,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17754562] [2021-10-21 20:27:09,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:27:09,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:09,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:27:09,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:27:09,311 INFO L87 Difference]: Start difference. First operand 36046 states and 38362 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:10,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:10,316 INFO L93 Difference]: Finished difference Result 80214 states and 85455 transitions. [2021-10-21 20:27:10,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:27:10,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 464 [2021-10-21 20:27:10,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:10,318 INFO L225 Difference]: With dead ends: 80214 [2021-10-21 20:27:10,318 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:27:10,337 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 12.2ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:27:10,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:27:10,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:27:10,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:27:10,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 464 [2021-10-21 20:27:10,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:10,339 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:27:10,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:27:10,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:27:10,341 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:10,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:10,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-21 20:27:10,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:27:10,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:27:10,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:27:11,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:27:14,726 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-10-21 20:27:14,726 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-10-21 20:27:14,726 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,726 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-10-21 20:27:14,726 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,726 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,726 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,726 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,726 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,727 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,728 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,729 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,730 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,730 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-10-21 20:27:14,730 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,730 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-10-21 20:27:14,730 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-10-21 20:27:14,730 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,730 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,731 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,731 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,731 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-10-21 20:27:14,731 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-10-21 20:27:14,731 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,731 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,731 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,732 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,732 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,732 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,732 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,732 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,732 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,732 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,733 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-10-21 20:27:14,733 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-10-21 20:27:14,733 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-10-21 20:27:14,733 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,733 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,733 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,733 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,734 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,734 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,734 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-10-21 20:27:14,734 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-10-21 20:27:14,734 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-10-21 20:27:14,734 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,734 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,735 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,735 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,735 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,735 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,735 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-10-21 20:27:14,735 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-10-21 20:27:14,735 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-10-21 20:27:14,736 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,736 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,736 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,736 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-21 20:27:14,736 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,736 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-21 20:27:14,736 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:27:14,737 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,737 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,737 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-10-21 20:27:14,737 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-10-21 20:27:14,737 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,737 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,737 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,738 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,738 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,738 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,738 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,738 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-10-21 20:27:14,738 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-10-21 20:27:14,738 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-10-21 20:27:14,739 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-10-21 20:27:14,739 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-10-21 20:27:14,739 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,739 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,739 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,739 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,739 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,740 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,740 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,740 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,740 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,740 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,740 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-10-21 20:27:14,740 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-10-21 20:27:14,741 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-10-21 20:27:14,741 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,741 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,741 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,741 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,741 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,741 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,742 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,742 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,742 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,742 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:27:14,742 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1618) no Hoare annotation was computed. [2021-10-21 20:27:14,742 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-10-21 20:27:14,742 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-10-21 20:27:14,743 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-10-21 20:27:14,743 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-21 20:27:14,743 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-10-21 20:27:14,743 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,743 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,743 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,743 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,744 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,744 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,744 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,744 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,744 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-10-21 20:27:14,744 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-10-21 20:27:14,744 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-10-21 20:27:14,745 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,745 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,745 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,745 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-10-21 20:27:14,745 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-10-21 20:27:14,745 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,746 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,746 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,746 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-10-21 20:27:14,746 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,746 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-10-21 20:27:14,746 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,746 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-10-21 20:27:14,746 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,747 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,747 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-10-21 20:27:14,747 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-10-21 20:27:14,747 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-10-21 20:27:14,747 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-10-21 20:27:14,747 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-10-21 20:27:14,747 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-10-21 20:27:14,748 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-10-21 20:27:14,748 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,748 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,748 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,749 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse4 (<= ~a12~0 0)) (.cse0 (= ~a26~0 1)) (.cse7 (= ~a12~0 1)) (.cse12 (<= ~a3~0 1)) (.cse9 (= ~a11~0 0)) (.cse11 (<= ~a27~0 0)) (.cse6 (<= ~a6~0 0)) (.cse15 (<= ~a7~0 0)) (.cse1 (= ~a5~0 1)) (.cse14 (<= 2 ~a3~0)) (.cse13 (= ~a12~0 ~a11~0)) (.cse2 (= ~a16~0 1)) (.cse8 (<= ~a26~0 0)) (.cse3 (= ~a11~0 1)) (.cse10 (= ~a6~0 1)) (.cse5 (= ~a27~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2 .cse8 .cse9 .cse10 .cse11) (and .cse1 .cse12 .cse13 .cse2 .cse8 .cse3 .cse10 .cse11) (and .cse0 .cse1 .cse13 .cse2 .cse3 .cse11 .cse6) (and .cse0 .cse1 .cse12 .cse9 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse8 .cse9 .cse4 .cse11 .cse6) (and .cse1 .cse2 .cse8 .cse9 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse10 .cse5) (and .cse1 .cse7 .cse14 .cse2 .cse8 .cse9 .cse10 .cse5) (and .cse0 .cse1 .cse12 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse14 .cse2 .cse8 .cse3 .cse4 .cse11 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse12 .cse9 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse10 .cse11) (and .cse1 .cse2 .cse8 .cse3 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse9 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse10 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse11 .cse6) (and .cse0 .cse1 .cse13 .cse2 .cse3 .cse10 .cse11) (and .cse0 .cse1 .cse12 .cse9 .cse10 .cse4 .cse5) (and .cse1 (or (and .cse0 .cse2 .cse3 .cse10 .cse4 .cse11) (and .cse2 .cse8 .cse3 .cse10 .cse4 .cse11))) (and .cse15 .cse1 .cse7 .cse2 .cse8 .cse9 .cse11 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse5 .cse6) (and (or (and .cse0 .cse2 .cse9 .cse10 .cse4 .cse11) (and .cse2 .cse8 .cse9 .cse10 .cse4 .cse11)) .cse1) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11 .cse6) (and .cse0 .cse1 .cse12 .cse2 .cse9 .cse4 .cse11 .cse6) (and .cse0 .cse1 .cse12 .cse3 .cse10 .cse4 .cse5) (and .cse1 .cse2 .cse8 .cse9 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse14 .cse2 .cse8 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse12 .cse3 .cse5) (and (= ~a15~0 1) .cse0 .cse1 .cse2 .cse9 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse12 .cse9 .cse11 .cse6) (and .cse1 .cse7 .cse12 .cse8 .cse9 .cse11 .cse6) (and .cse15 .cse1 .cse14 .cse13 .cse2 .cse8 .cse3 .cse10 .cse5))) [2021-10-21 20:27:14,749 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,749 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,749 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,749 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-10-21 20:27:14,749 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-10-21 20:27:14,750 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,750 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,750 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,750 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-10-21 20:27:14,750 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,750 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,751 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,751 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,751 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,751 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,751 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-10-21 20:27:14,751 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-10-21 20:27:14,751 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,752 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,752 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,752 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,752 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,752 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,752 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,752 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,753 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,753 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-10-21 20:27:14,753 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-10-21 20:27:14,753 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,753 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,753 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-21 20:27:14,753 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-21 20:27:14,753 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,753 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse4 (<= ~a12~0 0)) (.cse0 (= ~a26~0 1)) (.cse7 (= ~a12~0 1)) (.cse12 (<= ~a3~0 1)) (.cse9 (= ~a11~0 0)) (.cse11 (<= ~a27~0 0)) (.cse6 (<= ~a6~0 0)) (.cse15 (<= ~a7~0 0)) (.cse1 (= ~a5~0 1)) (.cse14 (<= 2 ~a3~0)) (.cse13 (= ~a12~0 ~a11~0)) (.cse2 (= ~a16~0 1)) (.cse8 (<= ~a26~0 0)) (.cse3 (= ~a11~0 1)) (.cse10 (= ~a6~0 1)) (.cse5 (= ~a27~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2 .cse8 .cse9 .cse10 .cse11) (and .cse1 .cse12 .cse13 .cse2 .cse8 .cse3 .cse10 .cse11) (and .cse0 .cse1 .cse13 .cse2 .cse3 .cse11 .cse6) (and .cse0 .cse1 .cse12 .cse9 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse8 .cse9 .cse4 .cse11 .cse6) (and .cse1 .cse2 .cse8 .cse9 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse10 .cse5) (and .cse1 .cse7 .cse14 .cse2 .cse8 .cse9 .cse10 .cse5) (and .cse0 .cse1 .cse12 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse14 .cse2 .cse8 .cse3 .cse4 .cse11 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse12 .cse9 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse10 .cse11) (and .cse1 .cse2 .cse8 .cse3 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse9 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse10 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse11 .cse6) (and .cse0 .cse1 .cse13 .cse2 .cse3 .cse10 .cse11) (and .cse0 .cse1 .cse12 .cse9 .cse10 .cse4 .cse5) (and .cse1 (or (and .cse0 .cse2 .cse3 .cse10 .cse4 .cse11) (and .cse2 .cse8 .cse3 .cse10 .cse4 .cse11))) (and .cse15 .cse1 .cse7 .cse2 .cse8 .cse9 .cse11 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse5 .cse6) (and (or (and .cse0 .cse2 .cse9 .cse10 .cse4 .cse11) (and .cse2 .cse8 .cse9 .cse10 .cse4 .cse11)) .cse1) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11 .cse6) (and .cse0 .cse1 .cse12 .cse2 .cse9 .cse4 .cse11 .cse6) (and .cse0 .cse1 .cse12 .cse3 .cse10 .cse4 .cse5) (and .cse1 .cse2 .cse8 .cse9 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse14 .cse2 .cse8 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse12 .cse3 .cse5) (and (= ~a15~0 1) .cse0 .cse1 .cse2 .cse9 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse12 .cse9 .cse11 .cse6) (and .cse1 .cse7 .cse12 .cse8 .cse9 .cse11 .cse6) (and .cse15 .cse1 .cse14 .cse13 .cse2 .cse8 .cse3 .cse10 .cse5))) [2021-10-21 20:27:14,753 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,754 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,755 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-10-21 20:27:14,756 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,756 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-10-21 20:27:14,756 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-10-21 20:27:14,756 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-10-21 20:27:14,756 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,756 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,756 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,757 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,757 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,757 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,757 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,757 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,757 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-10-21 20:27:14,757 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-10-21 20:27:14,758 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,758 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,758 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-10-21 20:27:14,758 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-10-21 20:27:14,758 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-10-21 20:27:14,758 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,758 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,759 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,759 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,759 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,759 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:27:14,759 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,759 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,759 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,760 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,760 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,760 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,760 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-10-21 20:27:14,760 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-10-21 20:27:14,760 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-10-21 20:27:14,760 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,760 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,760 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,761 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,762 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,762 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-10-21 20:27:14,762 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-10-21 20:27:14,762 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-10-21 20:27:14,762 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,762 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,762 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:27:14,766 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:27:14,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:27:14 BoogieIcfgContainer [2021-10-21 20:27:14,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:27:14,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:27:14,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:27:14,837 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:27:14,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:26:14" (3/4) ... [2021-10-21 20:27:14,841 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:27:14,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 20:27:14,905 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 20:27:14,908 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:27:14,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:27:15,159 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:27:15,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:27:15,162 INFO L168 Benchmark]: Toolchain (without parser) took 64977.52 ms. Allocated memory was 113.2 MB in the beginning and 11.8 GB in the end (delta: 11.7 GB). Free memory was 72.0 MB in the beginning and 9.8 GB in the end (delta: -9.7 GB). Peak memory consumption was 2.0 GB. Max. memory is 16.1 GB. [2021-10-21 20:27:15,162 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 113.2 MB. Free memory was 89.3 MB in the beginning and 89.3 MB in the end (delta: 30.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:15,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1355.15 ms. Allocated memory is still 113.2 MB. Free memory was 71.8 MB in the beginning and 79.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:15,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.32 ms. Allocated memory is still 113.2 MB. Free memory was 79.0 MB in the beginning and 64.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:15,164 INFO L168 Benchmark]: Boogie Preprocessor took 159.04 ms. Allocated memory is still 113.2 MB. Free memory was 64.4 MB in the beginning and 54.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:15,165 INFO L168 Benchmark]: RCFGBuilder took 2473.85 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 54.5 MB in the beginning and 104.2 MB in the end (delta: -49.7 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:15,165 INFO L168 Benchmark]: TraceAbstraction took 60461.77 ms. Allocated memory was 163.6 MB in the beginning and 11.8 GB in the end (delta: 11.7 GB). Free memory was 103.2 MB in the beginning and 9.8 GB in the end (delta: -9.7 GB). Peak memory consumption was 2.4 GB. Max. memory is 16.1 GB. [2021-10-21 20:27:15,166 INFO L168 Benchmark]: Witness Printer took 322.81 ms. Allocated memory is still 11.8 GB. Free memory was 9.8 GB in the beginning and 9.8 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:15,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 113.2 MB. Free memory was 89.3 MB in the beginning and 89.3 MB in the end (delta: 30.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1355.15 ms. Allocated memory is still 113.2 MB. Free memory was 71.8 MB in the beginning and 79.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 195.32 ms. Allocated memory is still 113.2 MB. Free memory was 79.0 MB in the beginning and 64.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 159.04 ms. Allocated memory is still 113.2 MB. Free memory was 64.4 MB in the beginning and 54.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2473.85 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 54.5 MB in the beginning and 104.2 MB in the end (delta: -49.7 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 60461.77 ms. Allocated memory was 163.6 MB in the beginning and 11.8 GB in the end (delta: 11.7 GB). Free memory was 103.2 MB in the beginning and 9.8 GB in the end (delta: -9.7 GB). Peak memory consumption was 2.4 GB. Max. memory is 16.1 GB. * Witness Printer took 322.81 ms. Allocated memory is still 11.8 GB. Free memory was 9.8 GB in the beginning and 9.8 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1618]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60315.0ms, OverallIterations: 21, TraceHistogramMax: 6, EmptinessCheckTime: 650.1ms, AutomataDifference: 28703.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4181.5ms, InitialAbstractionConstructionTime: 21.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4590 SDtfs, 4452 SDslu, 1026 SDs, 0 SdLazy, 13346 SolverSat, 2647 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16665.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1999 GetRequests, 1961 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 148.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=97070occurred in iteration=19, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 11856.9ms AutomataMinimizationTime, 21 MinimizatonAttempts, 38777 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 417 NumberOfFragments, 1713 HoareAnnotationTreeSize, 3 FomulaSimplifications, 21878 FormulaSimplificationTreeSizeReduction, 1644.4ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 3342 FormulaSimplificationTreeSizeReductionInter, 2523.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1263.2ms SsaConstructionTime, 1739.1ms SatisfiabilityAnalysisTime, 8552.2ms InterpolantComputationTime, 8174 NumberOfCodeBlocks, 8174 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 8147 ConstructedInterpolants, 0 QuantifiedInterpolants, 16596 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3545 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 27 InterpolantComputations, 21 PerfectInterpolantSequences, 4411/4465 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a12 == a11) && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a5 == 1 && 2 <= a3) && a16 == 1) && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a27 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (a5 == 1 && ((((((a26 == 1 && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0) || (((((a16 == 1 && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)))) || (((((((a7 <= 0 && a5 == 1) && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((((a26 == 1 && a16 == 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 <= 0) || (((((a16 == 1 && a26 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 <= 0)) && a5 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a16 == 1) && a26 <= 0) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 1) && a27 == 1)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 1) && a26 <= 0) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a12 == a11) && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a27 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a12 == a11) && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a5 == 1 && 2 <= a3) && a16 == 1) && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a27 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (a5 == 1 && ((((((a26 == 1 && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0) || (((((a16 == 1 && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)))) || (((((((a7 <= 0 && a5 == 1) && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((((a26 == 1 && a16 == 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 <= 0) || (((((a16 == 1 && a26 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 <= 0)) && a5 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a16 == 1) && a26 <= 0) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 1) && a27 == 1)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 1) && a26 <= 0) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a12 == a11) && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a27 == 1) RESULT: Ultimate proved your program to be correct! [2021-10-21 20:27:15,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31fb2cf-0b8b-4728-8fac-c1d17bbf9f79/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...