./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label59.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_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/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_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label59.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/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_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/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 b318f94936d789f3e225c0b031e22ed136ba6b0572610da57c85f0ad4ebaa0a1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:26:07,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:26:07,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:26:07,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:26:07,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:26:07,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:26:07,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:26:07,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:26:07,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:26:07,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:26:07,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:26:07,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:26:07,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:26:07,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:26:07,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:26:07,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:26:07,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:26:07,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:26:07,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:26:07,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:26:07,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:26:07,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:26:07,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:26:07,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:26:07,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:26:07,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:26:07,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:26:07,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:26:07,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:26:07,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:26:07,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:26:07,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:26:07,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:26:07,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:26:07,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:26:07,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:26:07,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:26:07,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:26:07,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:26:07,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:26:07,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:26:07,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:26:07,537 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:26:07,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:26:07,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:26:07,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:26:07,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:26:07,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:26:07,539 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:26:07,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:26:07,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:26:07,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:26:07,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:26:07,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:26:07,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:26:07,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:26:07,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:26:07,541 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:26:07,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:26:07,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:26:07,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:26:07,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:26:07,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:26:07,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:26:07,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:26:07,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:26:07,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:26:07,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:26:07,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:26:07,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:26:07,544 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:26:07,544 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:26:07,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:26:07,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:26:07,545 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_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b318f94936d789f3e225c0b031e22ed136ba6b0572610da57c85f0ad4ebaa0a1 [2021-10-21 19:26:07,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:26:07,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:26:07,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:26:07,812 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:26:07,813 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:26:07,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem11_label59.c [2021-10-21 19:26:07,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/data/880632892/b782a6eb8d01499ebe0ce9c9b77cc0f6/FLAGd340b585b [2021-10-21 19:26:08,542 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:26:08,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/sv-benchmarks/c/eca-rers2012/Problem11_label59.c [2021-10-21 19:26:08,564 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/data/880632892/b782a6eb8d01499ebe0ce9c9b77cc0f6/FLAGd340b585b [2021-10-21 19:26:08,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/data/880632892/b782a6eb8d01499ebe0ce9c9b77cc0f6 [2021-10-21 19:26:08,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:26:08,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:26:08,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:26:08,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:26:08,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:26:08,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:26:08" (1/1) ... [2021-10-21 19:26:08,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f55a6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:08, skipping insertion in model container [2021-10-21 19:26:08,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:26:08" (1/1) ... [2021-10-21 19:26:08,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:26:08,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:26:09,088 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_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/sv-benchmarks/c/eca-rers2012/Problem11_label59.c[8515,8528] [2021-10-21 19:26:09,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:26:09,424 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:26:09,469 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_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/sv-benchmarks/c/eca-rers2012/Problem11_label59.c[8515,8528] [2021-10-21 19:26:09,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:26:09,645 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:26:09,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:09 WrapperNode [2021-10-21 19:26:09,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:26:09,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:26:09,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:26:09,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:26:09,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:09" (1/1) ... [2021-10-21 19:26:09,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:09" (1/1) ... [2021-10-21 19:26:09,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:26:09,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:26:09,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:26:09,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:26:09,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:09" (1/1) ... [2021-10-21 19:26:09,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:09" (1/1) ... [2021-10-21 19:26:09,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:09" (1/1) ... [2021-10-21 19:26:09,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:09" (1/1) ... [2021-10-21 19:26:09,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:09" (1/1) ... [2021-10-21 19:26:09,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:09" (1/1) ... [2021-10-21 19:26:09,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:09" (1/1) ... [2021-10-21 19:26:09,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:26:09,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:26:09,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:26:09,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:26:09,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:09" (1/1) ... [2021-10-21 19:26:09,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:26:09,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:09,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:10,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:26:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:26:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:26:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:26:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:26:11,944 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:26:11,945 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:26:11,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:26:11 BoogieIcfgContainer [2021-10-21 19:26:11,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:26:11,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:26:11,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:26:11,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:26:11,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:26:08" (1/3) ... [2021-10-21 19:26:11,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5c702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:26:11, skipping insertion in model container [2021-10-21 19:26:11,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:09" (2/3) ... [2021-10-21 19:26:11,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5c702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:26:11, skipping insertion in model container [2021-10-21 19:26:11,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:26:11" (3/3) ... [2021-10-21 19:26:11,960 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label59.c [2021-10-21 19:26:11,965 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:26:11,966 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:26:12,033 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:26:12,038 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:26:12,039 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:26:12,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:12,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-21 19:26:12,068 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:12,069 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] [2021-10-21 19:26:12,070 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:12,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:12,075 INFO L82 PathProgramCache]: Analyzing trace with hash 118092897, now seen corresponding path program 1 times [2021-10-21 19:26:12,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:12,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079465653] [2021-10-21 19:26:12,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:12,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:12,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:12,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079465653] [2021-10-21 19:26:12,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079465653] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:12,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:12,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:26:12,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442595721] [2021-10-21 19:26:12,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:26:12,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:12,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:26:12,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:12,384 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:13,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:13,617 INFO L93 Difference]: Finished difference Result 763 states and 1352 transitions. [2021-10-21 19:26:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:26:13,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 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 59 [2021-10-21 19:26:13,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:13,638 INFO L225 Difference]: With dead ends: 763 [2021-10-21 19:26:13,641 INFO L226 Difference]: Without dead ends: 416 [2021-10-21 19:26:13,649 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:13,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-10-21 19:26:13,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408. [2021-10-21 19:26:13,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 407 states have (on average 1.6142506142506143) internal successors, (657), 407 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions. [2021-10-21 19:26:13,754 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 59 [2021-10-21 19:26:13,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:13,756 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions. [2021-10-21 19:26:13,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:13,757 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions. [2021-10-21 19:26:13,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-21 19:26:13,769 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:13,769 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:26:13,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:26:13,775 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:13,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:13,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1894877470, now seen corresponding path program 1 times [2021-10-21 19:26:13,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:13,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460042940] [2021-10-21 19:26:13,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:13,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:13,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:13,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460042940] [2021-10-21 19:26:13,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460042940] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:13,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:13,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:26:13,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769857808] [2021-10-21 19:26:13,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:26:13,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:13,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:26:13,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:13,937 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:14,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:14,843 INFO L93 Difference]: Finished difference Result 1193 states and 1931 transitions. [2021-10-21 19:26:14,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:26:14,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 124 [2021-10-21 19:26:14,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:14,849 INFO L225 Difference]: With dead ends: 1193 [2021-10-21 19:26:14,850 INFO L226 Difference]: Without dead ends: 787 [2021-10-21 19:26:14,851 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:14,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2021-10-21 19:26:14,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 783. [2021-10-21 19:26:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 782 states have (on average 1.4398976982097187) internal successors, (1126), 782 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1126 transitions. [2021-10-21 19:26:14,888 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1126 transitions. Word has length 124 [2021-10-21 19:26:14,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:14,891 INFO L470 AbstractCegarLoop]: Abstraction has 783 states and 1126 transitions. [2021-10-21 19:26:14,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1126 transitions. [2021-10-21 19:26:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-21 19:26:14,897 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:14,897 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:26:14,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:26:14,897 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:14,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:14,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1494454920, now seen corresponding path program 1 times [2021-10-21 19:26:14,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:14,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562993086] [2021-10-21 19:26:14,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:14,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:15,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:15,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562993086] [2021-10-21 19:26:15,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562993086] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:15,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:15,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:26:15,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848866474] [2021-10-21 19:26:15,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:26:15,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:15,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:26:15,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:15,078 INFO L87 Difference]: Start difference. First operand 783 states and 1126 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:15,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:15,950 INFO L93 Difference]: Finished difference Result 1948 states and 2803 transitions. [2021-10-21 19:26:15,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:26:15,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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 127 [2021-10-21 19:26:15,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:15,959 INFO L225 Difference]: With dead ends: 1948 [2021-10-21 19:26:15,959 INFO L226 Difference]: Without dead ends: 1167 [2021-10-21 19:26:15,961 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:15,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2021-10-21 19:26:15,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1154. [2021-10-21 19:26:15,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1153 states have (on average 1.3399826539462272) internal successors, (1545), 1153 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:15,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1545 transitions. [2021-10-21 19:26:15,997 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1545 transitions. Word has length 127 [2021-10-21 19:26:15,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:15,998 INFO L470 AbstractCegarLoop]: Abstraction has 1154 states and 1545 transitions. [2021-10-21 19:26:15,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1545 transitions. [2021-10-21 19:26:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-21 19:26:16,001 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:16,002 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:26:16,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:26:16,002 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:16,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:16,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1334026776, now seen corresponding path program 1 times [2021-10-21 19:26:16,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:16,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439782376] [2021-10-21 19:26:16,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:16,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:16,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:16,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439782376] [2021-10-21 19:26:16,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439782376] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:16,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:16,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:26:16,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88076241] [2021-10-21 19:26:16,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:26:16,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:16,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:26:16,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:16,107 INFO L87 Difference]: Start difference. First operand 1154 states and 1545 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:16,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:16,930 INFO L93 Difference]: Finished difference Result 2676 states and 3531 transitions. [2021-10-21 19:26:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:26:16,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 128 [2021-10-21 19:26:16,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:16,940 INFO L225 Difference]: With dead ends: 2676 [2021-10-21 19:26:16,940 INFO L226 Difference]: Without dead ends: 1524 [2021-10-21 19:26:16,942 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:16,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2021-10-21 19:26:16,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1523. [2021-10-21 19:26:16,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1522 states have (on average 1.269382391590013) internal successors, (1932), 1522 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1932 transitions. [2021-10-21 19:26:16,982 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1932 transitions. Word has length 128 [2021-10-21 19:26:16,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:16,982 INFO L470 AbstractCegarLoop]: Abstraction has 1523 states and 1932 transitions. [2021-10-21 19:26:16,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:16,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1932 transitions. [2021-10-21 19:26:16,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-10-21 19:26:16,985 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:16,985 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:26:16,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:26:16,986 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:16,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:16,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1749899371, now seen corresponding path program 1 times [2021-10-21 19:26:16,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:16,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725497584] [2021-10-21 19:26:16,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:16,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:17,080 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:17,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:17,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725497584] [2021-10-21 19:26:17,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725497584] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:17,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:17,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:26:17,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088979905] [2021-10-21 19:26:17,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:26:17,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:17,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:26:17,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:17,084 INFO L87 Difference]: Start difference. First operand 1523 states and 1932 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:17,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:17,875 INFO L93 Difference]: Finished difference Result 3968 states and 5154 transitions. [2021-10-21 19:26:17,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:26:17,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 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 186 [2021-10-21 19:26:17,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:17,890 INFO L225 Difference]: With dead ends: 3968 [2021-10-21 19:26:17,890 INFO L226 Difference]: Without dead ends: 2631 [2021-10-21 19:26:17,893 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:26:17,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2021-10-21 19:26:17,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2631. [2021-10-21 19:26:17,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2631 states, 2630 states have (on average 1.2133079847908745) internal successors, (3191), 2630 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:17,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 3191 transitions. [2021-10-21 19:26:17,959 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 3191 transitions. Word has length 186 [2021-10-21 19:26:17,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:17,960 INFO L470 AbstractCegarLoop]: Abstraction has 2631 states and 3191 transitions. [2021-10-21 19:26:17,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:17,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 3191 transitions. [2021-10-21 19:26:17,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-10-21 19:26:17,966 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:17,966 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:26:17,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:26:17,967 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:17,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:17,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1893767947, now seen corresponding path program 1 times [2021-10-21 19:26:17,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:17,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212708515] [2021-10-21 19:26:17,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:17,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:18,176 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:18,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:18,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212708515] [2021-10-21 19:26:18,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212708515] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:18,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:18,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:26:18,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908716574] [2021-10-21 19:26:18,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:26:18,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:18,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:26:18,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:26:18,185 INFO L87 Difference]: Start difference. First operand 2631 states and 3191 transitions. Second operand has 4 states, 4 states have (on average 50.5) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:19,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:19,760 INFO L93 Difference]: Finished difference Result 7118 states and 8850 transitions. [2021-10-21 19:26:19,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:26:19,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 3 states have internal predecessors, (202), 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 202 [2021-10-21 19:26:19,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:19,792 INFO L225 Difference]: With dead ends: 7118 [2021-10-21 19:26:19,793 INFO L226 Difference]: Without dead ends: 4673 [2021-10-21 19:26:19,799 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:26:19,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4673 states. [2021-10-21 19:26:19,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4673 to 4295. [2021-10-21 19:26:19,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4295 states, 4294 states have (on average 1.231020027945971) internal successors, (5286), 4294 states have internal predecessors, (5286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:19,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 4295 states and 5286 transitions. [2021-10-21 19:26:19,968 INFO L78 Accepts]: Start accepts. Automaton has 4295 states and 5286 transitions. Word has length 202 [2021-10-21 19:26:19,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:19,969 INFO L470 AbstractCegarLoop]: Abstraction has 4295 states and 5286 transitions. [2021-10-21 19:26:19,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:19,970 INFO L276 IsEmpty]: Start isEmpty. Operand 4295 states and 5286 transitions. [2021-10-21 19:26:19,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-21 19:26:19,975 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:19,975 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:26:19,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:26:19,976 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:19,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:19,977 INFO L82 PathProgramCache]: Analyzing trace with hash -878115989, now seen corresponding path program 1 times [2021-10-21 19:26:19,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:19,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562099947] [2021-10-21 19:26:19,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:19,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:20,139 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:20,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:20,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562099947] [2021-10-21 19:26:20,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562099947] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:20,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:20,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:26:20,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896763290] [2021-10-21 19:26:20,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:26:20,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:20,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:26:20,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:20,144 INFO L87 Difference]: Start difference. First operand 4295 states and 5286 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:20,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:20,983 INFO L93 Difference]: Finished difference Result 9519 states and 11889 transitions. [2021-10-21 19:26:20,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:26:20,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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 239 [2021-10-21 19:26:20,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:21,016 INFO L225 Difference]: With dead ends: 9519 [2021-10-21 19:26:21,016 INFO L226 Difference]: Without dead ends: 5594 [2021-10-21 19:26:21,022 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:21,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5594 states. [2021-10-21 19:26:21,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5594 to 5399. [2021-10-21 19:26:21,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 5398 states have (on average 1.2182289736939607) internal successors, (6576), 5398 states have internal predecessors, (6576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 6576 transitions. [2021-10-21 19:26:21,149 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 6576 transitions. Word has length 239 [2021-10-21 19:26:21,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:21,149 INFO L470 AbstractCegarLoop]: Abstraction has 5399 states and 6576 transitions. [2021-10-21 19:26:21,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:21,150 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 6576 transitions. [2021-10-21 19:26:21,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-10-21 19:26:21,154 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:21,155 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:26:21,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:26:21,155 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:21,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:21,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1869280923, now seen corresponding path program 1 times [2021-10-21 19:26:21,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:21,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277557573] [2021-10-21 19:26:21,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:21,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-21 19:26:21,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:21,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277557573] [2021-10-21 19:26:21,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277557573] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:21,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:21,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:26:21,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378643396] [2021-10-21 19:26:21,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:26:21,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:21,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:26:21,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:21,369 INFO L87 Difference]: Start difference. First operand 5399 states and 6576 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:22,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:22,360 INFO L93 Difference]: Finished difference Result 14317 states and 17683 transitions. [2021-10-21 19:26:22,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:26:22,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 240 [2021-10-21 19:26:22,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:22,410 INFO L225 Difference]: With dead ends: 14317 [2021-10-21 19:26:22,410 INFO L226 Difference]: Without dead ends: 9288 [2021-10-21 19:26:22,417 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:22,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9288 states. [2021-10-21 19:26:22,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9288 to 8184. [2021-10-21 19:26:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8184 states, 8183 states have (on average 1.2134913845777833) internal successors, (9930), 8183 states have internal predecessors, (9930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:22,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8184 states to 8184 states and 9930 transitions. [2021-10-21 19:26:22,601 INFO L78 Accepts]: Start accepts. Automaton has 8184 states and 9930 transitions. Word has length 240 [2021-10-21 19:26:22,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:22,602 INFO L470 AbstractCegarLoop]: Abstraction has 8184 states and 9930 transitions. [2021-10-21 19:26:22,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 8184 states and 9930 transitions. [2021-10-21 19:26:22,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-10-21 19:26:22,608 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:22,608 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:26:22,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:26:22,609 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:22,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:22,609 INFO L82 PathProgramCache]: Analyzing trace with hash -2080681397, now seen corresponding path program 1 times [2021-10-21 19:26:22,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:22,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495980238] [2021-10-21 19:26:22,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:22,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:22,823 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:22,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:22,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495980238] [2021-10-21 19:26:22,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495980238] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:22,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:22,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:26:22,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282237110] [2021-10-21 19:26:22,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:26:22,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:22,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:26:22,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:26:22,826 INFO L87 Difference]: Start difference. First operand 8184 states and 9930 transitions. Second operand has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:24,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:24,310 INFO L93 Difference]: Finished difference Result 17850 states and 21799 transitions. [2021-10-21 19:26:24,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:26:24,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 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 261 [2021-10-21 19:26:24,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:24,356 INFO L225 Difference]: With dead ends: 17850 [2021-10-21 19:26:24,356 INFO L226 Difference]: Without dead ends: 10036 [2021-10-21 19:26:24,367 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:26:24,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10036 states. [2021-10-21 19:26:24,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10036 to 9658. [2021-10-21 19:26:24,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9658 states, 9657 states have (on average 1.2026509267888579) internal successors, (11614), 9657 states have internal predecessors, (11614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:24,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9658 states to 9658 states and 11614 transitions. [2021-10-21 19:26:24,612 INFO L78 Accepts]: Start accepts. Automaton has 9658 states and 11614 transitions. Word has length 261 [2021-10-21 19:26:24,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:24,613 INFO L470 AbstractCegarLoop]: Abstraction has 9658 states and 11614 transitions. [2021-10-21 19:26:24,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 9658 states and 11614 transitions. [2021-10-21 19:26:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-10-21 19:26:24,624 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:24,625 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:26:24,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:26:24,625 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:24,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:24,626 INFO L82 PathProgramCache]: Analyzing trace with hash -2113401050, now seen corresponding path program 1 times [2021-10-21 19:26:24,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:24,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443956084] [2021-10-21 19:26:24,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:24,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 128 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:24,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:24,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443956084] [2021-10-21 19:26:24,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443956084] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:26:24,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825283492] [2021-10-21 19:26:24,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:24,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:26:24,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:24,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:26:24,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:26:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:24,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:26:25,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 128 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:26,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825283492] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:26:26,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:26:26,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-21 19:26:26,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005426693] [2021-10-21 19:26:26,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:26:26,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:26,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:26:26,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:26:26,158 INFO L87 Difference]: Start difference. First operand 9658 states and 11614 transitions. Second operand has 4 states, 4 states have (on average 78.25) internal successors, (313), 4 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:28,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:28,196 INFO L93 Difference]: Finished difference Result 22287 states and 26567 transitions. [2021-10-21 19:26:28,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:26:28,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 78.25) internal successors, (313), 4 states have internal predecessors, (313), 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 313 [2021-10-21 19:26:28,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:28,224 INFO L225 Difference]: With dead ends: 22287 [2021-10-21 19:26:28,225 INFO L226 Difference]: Without dead ends: 12447 [2021-10-21 19:26:28,236 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 314 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:26:28,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12447 states. [2021-10-21 19:26:28,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12447 to 10026. [2021-10-21 19:26:28,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10026 states, 10025 states have (on average 1.181645885286783) internal successors, (11846), 10025 states have internal predecessors, (11846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:28,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10026 states to 10026 states and 11846 transitions. [2021-10-21 19:26:28,469 INFO L78 Accepts]: Start accepts. Automaton has 10026 states and 11846 transitions. Word has length 313 [2021-10-21 19:26:28,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:28,470 INFO L470 AbstractCegarLoop]: Abstraction has 10026 states and 11846 transitions. [2021-10-21 19:26:28,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.25) internal successors, (313), 4 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:28,470 INFO L276 IsEmpty]: Start isEmpty. Operand 10026 states and 11846 transitions. [2021-10-21 19:26:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-10-21 19:26:28,482 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:28,483 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, 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, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:26:28,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:28,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:26:28,711 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:28,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:28,712 INFO L82 PathProgramCache]: Analyzing trace with hash -646748982, now seen corresponding path program 1 times [2021-10-21 19:26:28,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:28,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703748367] [2021-10-21 19:26:28,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:28,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:28,869 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-21 19:26:28,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:28,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703748367] [2021-10-21 19:26:28,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703748367] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:28,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:28,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:26:28,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449207560] [2021-10-21 19:26:28,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:26:28,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:28,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:26:28,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:28,872 INFO L87 Difference]: Start difference. First operand 10026 states and 11846 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 19:26:29,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:29,780 INFO L93 Difference]: Finished difference Result 22271 states and 26457 transitions. [2021-10-21 19:26:29,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:26:29,781 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 328 [2021-10-21 19:26:29,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:29,807 INFO L225 Difference]: With dead ends: 22271 [2021-10-21 19:26:29,807 INFO L226 Difference]: Without dead ends: 12615 [2021-10-21 19:26:29,819 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 19:26:29,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12615 states. [2021-10-21 19:26:30,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12615 to 12243. [2021-10-21 19:26:30,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12243 states, 12242 states have (on average 1.1690900179709198) internal successors, (14312), 12242 states have internal predecessors, (14312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12243 states to 12243 states and 14312 transitions. [2021-10-21 19:26:30,084 INFO L78 Accepts]: Start accepts. Automaton has 12243 states and 14312 transitions. Word has length 328 [2021-10-21 19:26:30,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:30,085 INFO L470 AbstractCegarLoop]: Abstraction has 12243 states and 14312 transitions. [2021-10-21 19:26:30,085 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 19:26:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 12243 states and 14312 transitions. [2021-10-21 19:26:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-10-21 19:26:30,095 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:30,095 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, 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, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:26:30,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:26:30,096 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:30,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:30,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1430097041, now seen corresponding path program 1 times [2021-10-21 19:26:30,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:30,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345660945] [2021-10-21 19:26:30,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:30,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-10-21 19:26:30,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:30,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345660945] [2021-10-21 19:26:30,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345660945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:30,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:30,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:26:30,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002010928] [2021-10-21 19:26:30,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:26:30,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:30,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:26:30,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:30,254 INFO L87 Difference]: Start difference. First operand 12243 states and 14312 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:31,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:31,221 INFO L93 Difference]: Finished difference Result 25958 states and 30336 transitions. [2021-10-21 19:26:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:26:31,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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 338 [2021-10-21 19:26:31,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:31,253 INFO L225 Difference]: With dead ends: 25958 [2021-10-21 19:26:31,253 INFO L226 Difference]: Without dead ends: 14085 [2021-10-21 19:26:31,266 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 19:26:31,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14085 states. [2021-10-21 19:26:31,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14085 to 11872. [2021-10-21 19:26:31,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11872 states, 11871 states have (on average 1.159127284980204) internal successors, (13760), 11871 states have internal predecessors, (13760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11872 states to 11872 states and 13760 transitions. [2021-10-21 19:26:31,454 INFO L78 Accepts]: Start accepts. Automaton has 11872 states and 13760 transitions. Word has length 338 [2021-10-21 19:26:31,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:31,455 INFO L470 AbstractCegarLoop]: Abstraction has 11872 states and 13760 transitions. [2021-10-21 19:26:31,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 11872 states and 13760 transitions. [2021-10-21 19:26:31,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-10-21 19:26:31,466 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:31,466 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, 3, 3, 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, 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] [2021-10-21 19:26:31,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:26:31,467 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:31,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:31,467 INFO L82 PathProgramCache]: Analyzing trace with hash -376349894, now seen corresponding path program 1 times [2021-10-21 19:26:31,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:31,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417634393] [2021-10-21 19:26:31,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:31,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-21 19:26:31,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:31,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417634393] [2021-10-21 19:26:31,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417634393] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:31,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:31,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:26:31,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248391360] [2021-10-21 19:26:31,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:26:31,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:31,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:26:31,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:31,626 INFO L87 Difference]: Start difference. First operand 11872 states and 13760 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:32,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:32,161 INFO L93 Difference]: Finished difference Result 23368 states and 27126 transitions. [2021-10-21 19:26:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:26:32,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 2 states have internal predecessors, (218), 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 341 [2021-10-21 19:26:32,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:32,184 INFO L225 Difference]: With dead ends: 23368 [2021-10-21 19:26:32,184 INFO L226 Difference]: Without dead ends: 11866 [2021-10-21 19:26:32,195 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:32,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11866 states. [2021-10-21 19:26:32,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11866 to 11866. [2021-10-21 19:26:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11866 states, 11865 states have (on average 1.1586177833965445) internal successors, (13747), 11865 states have internal predecessors, (13747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:32,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11866 states to 11866 states and 13747 transitions. [2021-10-21 19:26:32,363 INFO L78 Accepts]: Start accepts. Automaton has 11866 states and 13747 transitions. Word has length 341 [2021-10-21 19:26:32,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:32,364 INFO L470 AbstractCegarLoop]: Abstraction has 11866 states and 13747 transitions. [2021-10-21 19:26:32,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:32,365 INFO L276 IsEmpty]: Start isEmpty. Operand 11866 states and 13747 transitions. [2021-10-21 19:26:32,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-10-21 19:26:32,376 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:32,377 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, 3, 3, 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, 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] [2021-10-21 19:26:32,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:26:32,377 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:32,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:32,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1111005970, now seen corresponding path program 1 times [2021-10-21 19:26:32,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:32,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686942775] [2021-10-21 19:26:32,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:32,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 124 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:32,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:32,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686942775] [2021-10-21 19:26:32,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686942775] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:26:32,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155594443] [2021-10-21 19:26:32,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:32,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:26:32,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:32,763 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:26:32,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:26:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:33,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-21 19:26:33,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 124 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:35,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155594443] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:26:35,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:26:35,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-10-21 19:26:35,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436764938] [2021-10-21 19:26:35,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:26:35,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:35,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:26:35,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:26:35,927 INFO L87 Difference]: Start difference. First operand 11866 states and 13747 transitions. Second operand has 8 states, 8 states have (on average 54.875) internal successors, (439), 7 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:39,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:39,383 INFO L93 Difference]: Finished difference Result 23960 states and 27521 transitions. [2021-10-21 19:26:39,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-21 19:26:39,384 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 54.875) internal successors, (439), 7 states have internal predecessors, (439), 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 19:26:39,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:39,409 INFO L225 Difference]: With dead ends: 23960 [2021-10-21 19:26:39,410 INFO L226 Difference]: Without dead ends: 12464 [2021-10-21 19:26:39,417 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 364 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 155.3ms TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-10-21 19:26:39,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12464 states. [2021-10-21 19:26:39,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12464 to 10183. [2021-10-21 19:26:39,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10183 states, 10182 states have (on average 1.1295423296012572) internal successors, (11501), 10182 states have internal predecessors, (11501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10183 states to 10183 states and 11501 transitions. [2021-10-21 19:26:39,573 INFO L78 Accepts]: Start accepts. Automaton has 10183 states and 11501 transitions. Word has length 365 [2021-10-21 19:26:39,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:39,574 INFO L470 AbstractCegarLoop]: Abstraction has 10183 states and 11501 transitions. [2021-10-21 19:26:39,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 54.875) internal successors, (439), 7 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 10183 states and 11501 transitions. [2021-10-21 19:26:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2021-10-21 19:26:39,589 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:39,590 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, 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, 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, 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] [2021-10-21 19:26:39,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:39,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-21 19:26:39,804 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:39,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:39,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1705862909, now seen corresponding path program 1 times [2021-10-21 19:26:39,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:39,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565569870] [2021-10-21 19:26:39,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:39,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-10-21 19:26:40,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:40,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565569870] [2021-10-21 19:26:40,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565569870] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:40,008 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:40,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:26:40,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817108550] [2021-10-21 19:26:40,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:26:40,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:40,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:26:40,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:40,010 INFO L87 Difference]: Start difference. First operand 10183 states and 11501 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:40,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:40,845 INFO L93 Difference]: Finished difference Result 21284 states and 24037 transitions. [2021-10-21 19:26:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:26:40,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 396 [2021-10-21 19:26:40,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:40,921 INFO L225 Difference]: With dead ends: 21284 [2021-10-21 19:26:40,922 INFO L226 Difference]: Without dead ends: 11103 [2021-10-21 19:26:40,929 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:40,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11103 states. [2021-10-21 19:26:41,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11103 to 9621. [2021-10-21 19:26:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9621 states, 9620 states have (on average 1.1235966735966736) internal successors, (10809), 9620 states have internal predecessors, (10809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:41,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9621 states to 9621 states and 10809 transitions. [2021-10-21 19:26:41,071 INFO L78 Accepts]: Start accepts. Automaton has 9621 states and 10809 transitions. Word has length 396 [2021-10-21 19:26:41,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:41,072 INFO L470 AbstractCegarLoop]: Abstraction has 9621 states and 10809 transitions. [2021-10-21 19:26:41,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:41,072 INFO L276 IsEmpty]: Start isEmpty. Operand 9621 states and 10809 transitions. [2021-10-21 19:26:41,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2021-10-21 19:26:41,089 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:41,090 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, 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, 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, 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] [2021-10-21 19:26:41,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:26:41,090 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:41,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:41,091 INFO L82 PathProgramCache]: Analyzing trace with hash -384632590, now seen corresponding path program 1 times [2021-10-21 19:26:41,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:41,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918593372] [2021-10-21 19:26:41,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:41,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:41,299 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-10-21 19:26:41,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:41,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918593372] [2021-10-21 19:26:41,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918593372] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:41,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:41,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:26:41,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464567199] [2021-10-21 19:26:41,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:26:41,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:41,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:26:41,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:41,302 INFO L87 Difference]: Start difference. First operand 9621 states and 10809 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:42,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:42,032 INFO L93 Difference]: Finished difference Result 19974 states and 22433 transitions. [2021-10-21 19:26:42,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:26:42,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 411 [2021-10-21 19:26:42,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:42,034 INFO L225 Difference]: With dead ends: 19974 [2021-10-21 19:26:42,034 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:26:42,042 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:26:42,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:26:42,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:26:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:26:42,043 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 411 [2021-10-21 19:26:42,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:42,043 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:26:42,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:42,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:26:42,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:26:42,047 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:26:42,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 19:26:42,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:26:42,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:26:42,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:26:42,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:26:43,548 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-21 19:26:43,548 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,548 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-21 19:26:43,548 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,548 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,549 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,549 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,549 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,549 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,549 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-21 19:26:43,549 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-21 19:26:43,549 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-21 19:26:43,549 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,549 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,549 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,550 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,550 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,550 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,550 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,550 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,550 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,550 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,550 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-21 19:26:43,550 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-21 19:26:43,550 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-21 19:26:43,550 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,551 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-21 19:26:43,551 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-21 19:26:43,551 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,551 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,551 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,551 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,551 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,551 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,551 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-21 19:26:43,551 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-21 19:26:43,551 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-21 19:26:43,552 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,552 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,552 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,552 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse0 (= ~a25~0 12)) (.cse6 (<= ~a23~0 138)) (.cse8 (<= ~a29~0 130)) (.cse9 (<= ~a25~0 10)) (.cse4 (<= ~a23~0 137)) (.cse5 (<= 10 ~a25~0)) (.cse1 (<= 141 ~a29~0)) (.cse2 (= ~a3~0 1)) (.cse7 (= ~a4~0 1)) (.cse3 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 (<= ~a29~0 220) .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 (<= 246 ~a29~0)) (and (<= 260 ~a29~0) .cse2 .cse3 .cse4) (and (<= ~a23~0 266) .cse2 .cse7 .cse3) (and .cse0 .cse2 .cse3 .cse8) (and .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse9 .cse2 .cse3 .cse8) (and .cse2 .cse6 .cse3 .cse8) (and .cse5 .cse9 .cse7 .cse4) (and .cse5 .cse2 .cse7 .cse3) (and .cse1 .cse2 .cse7 .cse3))) [2021-10-21 19:26:43,552 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,552 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-21 19:26:43,552 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-21 19:26:43,552 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,552 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,553 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,553 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,553 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,553 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,553 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-21 19:26:43,553 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-21 19:26:43,553 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-21 19:26:43,553 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-21 19:26:43,553 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,553 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,553 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,554 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,554 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,554 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,554 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,554 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-21 19:26:43,554 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-21 19:26:43,554 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-21 19:26:43,554 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,554 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,554 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,554 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,555 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,555 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,555 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,555 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,559 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,559 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-21 19:26:43,559 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-21 19:26:43,560 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-21 19:26:43,560 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,560 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (= ~a25~0 12)) (.cse6 (<= ~a23~0 138)) (.cse8 (<= ~a29~0 130)) (.cse9 (<= ~a25~0 10)) (.cse4 (<= ~a23~0 137)) (.cse5 (<= 10 ~a25~0)) (.cse1 (<= 141 ~a29~0)) (.cse2 (= ~a3~0 1)) (.cse7 (= ~a4~0 1)) (.cse3 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 (<= ~a29~0 220) .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 (<= 246 ~a29~0)) (and (<= 260 ~a29~0) .cse2 .cse3 .cse4) (and (<= ~a23~0 266) .cse2 .cse7 .cse3) (and .cse0 .cse2 .cse3 .cse8) (and .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse9 .cse2 .cse3 .cse8) (and .cse2 .cse6 .cse3 .cse8) (and .cse5 .cse9 .cse7 .cse4) (and .cse5 .cse2 .cse7 .cse3) (and .cse1 .cse2 .cse7 .cse3))) [2021-10-21 19:26:43,560 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,560 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,560 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,561 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,561 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,561 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,561 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,561 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,561 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-21 19:26:43,561 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-21 19:26:43,562 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-21 19:26:43,562 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-21 19:26:43,562 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-21 19:26:43,562 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-21 19:26:43,562 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-21 19:26:43,562 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,563 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,563 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,563 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,563 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,563 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,563 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,563 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,564 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,564 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,564 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:26:43,564 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-21 19:26:43,564 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-21 19:26:43,564 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-21 19:26:43,565 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-21 19:26:43,565 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,565 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,565 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,565 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,565 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,565 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-21 19:26:43,566 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-21 19:26:43,566 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-21 19:26:43,566 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,566 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,566 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,567 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,567 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-21 19:26:43,567 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-21 19:26:43,567 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,567 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,567 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,568 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,568 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,568 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,568 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-21 19:26:43,568 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-21 19:26:43,568 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,568 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,569 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-21 19:26:43,569 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-21 19:26:43,569 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-21 19:26:43,569 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:26:43,569 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-10-21 19:26:43,569 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,570 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,570 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,570 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,570 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,570 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,570 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,570 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-21 19:26:43,571 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-21 19:26:43,571 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-21 19:26:43,571 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-21 19:26:43,571 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-21 19:26:43,573 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-21 19:26:43,573 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-21 19:26:43,573 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,574 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,574 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-21 19:26:43,574 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-21 19:26:43,574 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,574 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,574 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,575 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,575 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,575 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-21 19:26:43,575 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-21 19:26:43,575 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-21 19:26:43,575 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,575 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,576 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,577 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,577 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,577 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,577 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-21 19:26:43,578 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-21 19:26:43,578 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-21 19:26:43,578 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,578 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,578 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,578 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,578 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,579 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,579 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,579 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,579 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-21 19:26:43,579 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-21 19:26:43,579 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-21 19:26:43,580 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,580 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,580 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,581 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,581 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,581 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,581 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,582 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,582 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,582 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,582 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,582 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-21 19:26:43,582 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-21 19:26:43,582 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-21 19:26:43,583 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-21 19:26:43,583 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-21 19:26:43,583 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,583 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,583 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,583 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,584 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,584 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,584 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,584 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-21 19:26:43,584 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-21 19:26:43,584 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-21 19:26:43,584 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,585 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,585 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,585 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-21 19:26:43,585 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-21 19:26:43,585 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,585 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,585 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,585 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,585 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,586 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,587 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-21 19:26:43,587 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-21 19:26:43,587 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-21 19:26:43,587 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-21 19:26:43,587 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,587 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,587 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,587 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,587 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,587 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,587 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,587 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,588 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-21 19:26:43,588 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-21 19:26:43,588 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-21 19:26:43,589 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-21 19:26:43,589 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-21 19:26:43,589 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-21 19:26:43,589 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,589 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,589 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,590 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,590 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,590 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,591 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,591 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-21 19:26:43,591 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-21 19:26:43,591 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:26:43,591 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,591 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,592 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,592 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,593 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,593 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,593 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-21 19:26:43,593 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-21 19:26:43,593 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,593 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,593 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,594 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,594 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,594 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,594 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,594 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-21 19:26:43,594 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:26:43,595 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,595 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,595 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-21 19:26:43,595 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-21 19:26:43,595 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-21 19:26:43,595 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-21 19:26:43,602 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:26:43,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:26:43 BoogieIcfgContainer [2021-10-21 19:26:43,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:26:43,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:26:43,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:26:43,625 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:26:43,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:26:11" (3/4) ... [2021-10-21 19:26:43,629 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:26:43,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:26:43,658 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:26:43,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:26:43,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:26:43,853 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:26:43,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:26:43,855 INFO L168 Benchmark]: Toolchain (without parser) took 35105.82 ms. Allocated memory was 134.2 MB in the beginning and 555.7 MB in the end (delta: 421.5 MB). Free memory was 94.5 MB in the beginning and 195.2 MB in the end (delta: -100.7 MB). Peak memory consumption was 321.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:43,855 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 104.6 MB in the beginning and 104.6 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:26:43,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 897.74 ms. Allocated memory is still 134.2 MB. Free memory was 94.5 MB in the beginning and 74.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:43,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.17 ms. Allocated memory is still 134.2 MB. Free memory was 74.7 MB in the beginning and 57.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:43,857 INFO L168 Benchmark]: Boogie Preprocessor took 120.60 ms. Allocated memory is still 134.2 MB. Free memory was 57.2 MB in the beginning and 48.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:43,857 INFO L168 Benchmark]: RCFGBuilder took 2014.76 ms. Allocated memory was 134.2 MB in the beginning and 195.0 MB in the end (delta: 60.8 MB). Free memory was 48.1 MB in the beginning and 132.6 MB in the end (delta: -84.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:43,858 INFO L168 Benchmark]: TraceAbstraction took 31673.15 ms. Allocated memory was 195.0 MB in the beginning and 555.7 MB in the end (delta: 360.7 MB). Free memory was 131.5 MB in the beginning and 219.5 MB in the end (delta: -88.0 MB). Peak memory consumption was 367.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:43,858 INFO L168 Benchmark]: Witness Printer took 228.01 ms. Allocated memory is still 555.7 MB. Free memory was 219.5 MB in the beginning and 195.2 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:43,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 104.6 MB in the beginning and 104.6 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 897.74 ms. Allocated memory is still 134.2 MB. Free memory was 94.5 MB in the beginning and 74.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 164.17 ms. Allocated memory is still 134.2 MB. Free memory was 74.7 MB in the beginning and 57.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 120.60 ms. Allocated memory is still 134.2 MB. Free memory was 57.2 MB in the beginning and 48.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2014.76 ms. Allocated memory was 134.2 MB in the beginning and 195.0 MB in the end (delta: 60.8 MB). Free memory was 48.1 MB in the beginning and 132.6 MB in the end (delta: -84.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31673.15 ms. Allocated memory was 195.0 MB in the beginning and 555.7 MB in the end (delta: 360.7 MB). Free memory was 131.5 MB in the beginning and 219.5 MB in the end (delta: -88.0 MB). Peak memory consumption was 367.1 MB. Max. memory is 16.1 GB. * Witness Printer took 228.01 ms. Allocated memory is still 555.7 MB. Free memory was 219.5 MB in the beginning and 195.2 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 193]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31568.0ms, OverallIterations: 16, TraceHistogramMax: 4, EmptinessCheckTime: 139.0ms, AutomataDifference: 19573.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1499.9ms, InitialAbstractionConstructionTime: 15.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2602 SDtfs, 4222 SDslu, 428 SDs, 0 SdLazy, 13285 SolverSat, 2742 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14158.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 734 GetRequests, 698 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 204.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12243occurred in iteration=11, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2144.9ms AutomataMinimizationTime, 16 MinimizatonAttempts, 10850 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 131 NumberOfFragments, 327 HoareAnnotationTreeSize, 3 FomulaSimplifications, 15380 FormulaSimplificationTreeSizeReduction, 561.2ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 12390 FormulaSimplificationTreeSizeReductionInter, 928.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 331.8ms SsaConstructionTime, 956.2ms SatisfiabilityAnalysisTime, 5867.5ms InterpolantComputationTime, 4736 NumberOfCodeBlocks, 4736 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4718 ConstructedInterpolants, 0 QuantifiedInterpolants, 14586 SizeOfPredicates, 6 NumberOfNonLiveVariables, 928 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 3277/3617 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 12 && 141 <= a29) && a3 == 1) && a8 == 15) || (((a3 == 1 && a29 <= 220) && a8 == 15) && a23 <= 137)) || ((((10 <= a25 && a3 == 1) && a23 <= 138) && a8 == 15) && 246 <= a29)) || (((260 <= a29 && a3 == 1) && a8 == 15) && a23 <= 137)) || (((a23 <= 266 && a3 == 1) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a3 == 1) && a8 == 15) && a29 <= 130)) || (((10 <= a25 && a3 == 1) && a8 == 15) && a23 <= 137)) || ((((10 <= a25 && a25 <= 10) && a3 == 1) && a8 == 15) && a29 <= 130)) || (((a3 == 1 && a23 <= 138) && a8 == 15) && a29 <= 130)) || (((10 <= a25 && a25 <= 10) && a4 == 1) && a23 <= 137)) || (((10 <= a25 && a3 == 1) && a4 == 1) && a8 == 15)) || (((141 <= a29 && a3 == 1) && a4 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 12 && 141 <= a29) && a3 == 1) && a8 == 15) || (((a3 == 1 && a29 <= 220) && a8 == 15) && a23 <= 137)) || ((((10 <= a25 && a3 == 1) && a23 <= 138) && a8 == 15) && 246 <= a29)) || (((260 <= a29 && a3 == 1) && a8 == 15) && a23 <= 137)) || (((a23 <= 266 && a3 == 1) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a3 == 1) && a8 == 15) && a29 <= 130)) || (((10 <= a25 && a3 == 1) && a8 == 15) && a23 <= 137)) || ((((10 <= a25 && a25 <= 10) && a3 == 1) && a8 == 15) && a29 <= 130)) || (((a3 == 1 && a23 <= 138) && a8 == 15) && a29 <= 130)) || (((10 <= a25 && a25 <= 10) && a4 == 1) && a23 <= 137)) || (((10 <= a25 && a3 == 1) && a4 == 1) && a8 == 15)) || (((141 <= a29 && a3 == 1) && a4 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:26:43,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0224c43-7e9a-47ff-9ff3-86e0fac20f1c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...