./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC --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 7b7b3008966aab2f6e68e04cbadc5c02c50b9074 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:33:41,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:33:41,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:33:41,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:33:41,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:33:41,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:33:41,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:33:41,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:33:41,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:33:41,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:33:41,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:33:41,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:33:41,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:33:41,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:33:41,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:33:41,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:33:41,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:33:41,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:33:41,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:33:41,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:33:41,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:33:41,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:33:41,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:33:41,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:33:41,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:33:41,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:33:41,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:33:41,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:33:41,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:33:41,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:33:41,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:33:41,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:33:41,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:33:41,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:33:41,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:33:41,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:33:41,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:33:41,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:33:41,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:33:41,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:33:41,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:33:41,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:33:41,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:33:41,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:33:41,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:33:41,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:33:41,581 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:33:41,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:33:41,585 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:33:41,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:33:41,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:33:41,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:33:41,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:33:41,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:33:41,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:33:41,588 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:33:41,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:33:41,588 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:33:41,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:33:41,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:33:41,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:33:41,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:33:41,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:33:41,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:33:41,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:33:41,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:33:41,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:33:41,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:33:41,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:33:41,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:33:41,592 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_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b7b3008966aab2f6e68e04cbadc5c02c50b9074 [2021-10-11 00:33:41,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:33:41,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:33:41,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:33:41,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:33:41,863 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:33:41,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem02_label09.c [2021-10-11 00:33:41,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/data/e67acf509/c7e0bb46cbf04c4c9fb819aaeb9343be/FLAGb4a34b643 [2021-10-11 00:33:42,528 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:33:42,529 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/sv-benchmarks/c/eca-rers2012/Problem02_label09.c [2021-10-11 00:33:42,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/data/e67acf509/c7e0bb46cbf04c4c9fb819aaeb9343be/FLAGb4a34b643 [2021-10-11 00:33:42,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/data/e67acf509/c7e0bb46cbf04c4c9fb819aaeb9343be [2021-10-11 00:33:42,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:33:42,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:33:42,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:42,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:33:42,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:33:42,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:42" (1/1) ... [2021-10-11 00:33:42,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2baf890d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:42, skipping insertion in model container [2021-10-11 00:33:42,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:42" (1/1) ... [2021-10-11 00:33:42,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:33:42,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:33:43,245 WARN L226 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_2350fde4-d314-4a94-b6df-bcaa20482010/sv-benchmarks/c/eca-rers2012/Problem02_label09.c[19170,19183] [2021-10-11 00:33:43,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:43,298 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:33:43,442 WARN L226 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_2350fde4-d314-4a94-b6df-bcaa20482010/sv-benchmarks/c/eca-rers2012/Problem02_label09.c[19170,19183] [2021-10-11 00:33:43,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:43,482 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:33:43,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:43 WrapperNode [2021-10-11 00:33:43,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:43,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:43,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:33:43,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:33:43,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:43" (1/1) ... [2021-10-11 00:33:43,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:43" (1/1) ... [2021-10-11 00:33:43,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:43,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:33:43,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:33:43,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:33:43,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:43" (1/1) ... [2021-10-11 00:33:43,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:43" (1/1) ... [2021-10-11 00:33:43,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:43" (1/1) ... [2021-10-11 00:33:43,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:43" (1/1) ... [2021-10-11 00:33:43,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:43" (1/1) ... [2021-10-11 00:33:43,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:43" (1/1) ... [2021-10-11 00:33:43,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:43" (1/1) ... [2021-10-11 00:33:43,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:33:43,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:33:43,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:33:43,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:33:43,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:43" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:33:43,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:33:43,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:33:43,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:33:43,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:33:45,099 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:33:45,100 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:33:45,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:45 BoogieIcfgContainer [2021-10-11 00:33:45,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:33:45,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:33:45,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:33:45,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:33:45,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:33:42" (1/3) ... [2021-10-11 00:33:45,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af3c0f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:45, skipping insertion in model container [2021-10-11 00:33:45,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:43" (2/3) ... [2021-10-11 00:33:45,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af3c0f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:45, skipping insertion in model container [2021-10-11 00:33:45,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:45" (3/3) ... [2021-10-11 00:33:45,115 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label09.c [2021-10-11 00:33:45,133 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:33:45,136 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:33:45,148 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:33:45,176 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:33:45,177 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:33:45,177 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:33:45,177 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:33:45,177 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:33:45,177 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:33:45,178 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:33:45,178 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:33:45,197 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2021-10-11 00:33:45,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-11 00:33:45,211 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:45,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:45,212 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:45,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:45,218 INFO L82 PathProgramCache]: Analyzing trace with hash -701342005, now seen corresponding path program 1 times [2021-10-11 00:33:45,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:45,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601641543] [2021-10-11 00:33:45,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:45,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601641543] [2021-10-11 00:33:45,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:45,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:45,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141082799] [2021-10-11 00:33:45,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:45,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:45,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:45,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:45,656 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2021-10-11 00:33:46,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:46,813 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions. [2021-10-11 00:33:46,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:46,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2021-10-11 00:33:46,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:46,845 INFO L225 Difference]: With dead ends: 596 [2021-10-11 00:33:46,849 INFO L226 Difference]: Without dead ends: 305 [2021-10-11 00:33:46,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:46,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-11 00:33:46,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2021-10-11 00:33:46,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2021-10-11 00:33:46,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2021-10-11 00:33:46,922 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 121 [2021-10-11 00:33:46,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:46,923 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2021-10-11 00:33:46,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2021-10-11 00:33:46,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-11 00:33:46,931 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:46,932 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-10-11 00:33:46,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:33:46,932 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:46,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:46,933 INFO L82 PathProgramCache]: Analyzing trace with hash -446392561, now seen corresponding path program 1 times [2021-10-11 00:33:46,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:46,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287822335] [2021-10-11 00:33:46,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:47,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287822335] [2021-10-11 00:33:47,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:47,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:47,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525574057] [2021-10-11 00:33:47,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:47,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:47,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:47,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:47,035 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2021-10-11 00:33:47,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:47,381 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2021-10-11 00:33:47,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:47,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2021-10-11 00:33:47,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:47,396 INFO L225 Difference]: With dead ends: 599 [2021-10-11 00:33:47,397 INFO L226 Difference]: Without dead ends: 296 [2021-10-11 00:33:47,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:47,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-10-11 00:33:47,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2021-10-11 00:33:47,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2021-10-11 00:33:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2021-10-11 00:33:47,424 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 132 [2021-10-11 00:33:47,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:47,425 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2021-10-11 00:33:47,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:47,425 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2021-10-11 00:33:47,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-11 00:33:47,432 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:47,433 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-10-11 00:33:47,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:33:47,433 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:47,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:47,434 INFO L82 PathProgramCache]: Analyzing trace with hash -944126998, now seen corresponding path program 1 times [2021-10-11 00:33:47,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:47,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835515994] [2021-10-11 00:33:47,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:47,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835515994] [2021-10-11 00:33:47,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:47,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:47,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395417835] [2021-10-11 00:33:47,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:47,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:47,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:47,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:47,578 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2021-10-11 00:33:48,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:48,162 INFO L93 Difference]: Finished difference Result 872 states and 1244 transitions. [2021-10-11 00:33:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:48,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2021-10-11 00:33:48,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:48,167 INFO L225 Difference]: With dead ends: 872 [2021-10-11 00:33:48,167 INFO L226 Difference]: Without dead ends: 578 [2021-10-11 00:33:48,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:48,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2021-10-11 00:33:48,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2021-10-11 00:33:48,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2021-10-11 00:33:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 724 transitions. [2021-10-11 00:33:48,195 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 724 transitions. Word has length 139 [2021-10-11 00:33:48,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:48,196 INFO L481 AbstractCegarLoop]: Abstraction has 578 states and 724 transitions. [2021-10-11 00:33:48,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 724 transitions. [2021-10-11 00:33:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-10-11 00:33:48,202 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:48,202 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:48,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:33:48,203 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:48,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:48,204 INFO L82 PathProgramCache]: Analyzing trace with hash -175879692, now seen corresponding path program 1 times [2021-10-11 00:33:48,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:48,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421816281] [2021-10-11 00:33:48,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:48,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421816281] [2021-10-11 00:33:48,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:48,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:48,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143762222] [2021-10-11 00:33:48,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:48,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:48,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:48,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:48,276 INFO L87 Difference]: Start difference. First operand 578 states and 724 transitions. Second operand 3 states. [2021-10-11 00:33:48,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:48,864 INFO L93 Difference]: Finished difference Result 1577 states and 2000 transitions. [2021-10-11 00:33:48,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:48,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2021-10-11 00:33:48,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:48,870 INFO L225 Difference]: With dead ends: 1577 [2021-10-11 00:33:48,871 INFO L226 Difference]: Without dead ends: 1001 [2021-10-11 00:33:48,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:48,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2021-10-11 00:33:48,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 721. [2021-10-11 00:33:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2021-10-11 00:33:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 896 transitions. [2021-10-11 00:33:48,896 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 896 transitions. Word has length 143 [2021-10-11 00:33:48,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:48,896 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 896 transitions. [2021-10-11 00:33:48,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 896 transitions. [2021-10-11 00:33:48,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-11 00:33:48,899 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:48,900 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-10-11 00:33:48,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:33:48,900 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:48,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:48,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1662967809, now seen corresponding path program 1 times [2021-10-11 00:33:48,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:48,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299448999] [2021-10-11 00:33:48,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:49,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299448999] [2021-10-11 00:33:49,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:49,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:49,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567969135] [2021-10-11 00:33:49,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:49,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:49,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:49,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:49,020 INFO L87 Difference]: Start difference. First operand 721 states and 896 transitions. Second operand 3 states. [2021-10-11 00:33:49,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:49,570 INFO L93 Difference]: Finished difference Result 1580 states and 1965 transitions. [2021-10-11 00:33:49,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:49,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2021-10-11 00:33:49,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:49,577 INFO L225 Difference]: With dead ends: 1580 [2021-10-11 00:33:49,577 INFO L226 Difference]: Without dead ends: 861 [2021-10-11 00:33:49,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:49,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2021-10-11 00:33:49,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2021-10-11 00:33:49,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2021-10-11 00:33:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1041 transitions. [2021-10-11 00:33:49,602 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1041 transitions. Word has length 144 [2021-10-11 00:33:49,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:49,602 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1041 transitions. [2021-10-11 00:33:49,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1041 transitions. [2021-10-11 00:33:49,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-10-11 00:33:49,606 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:49,606 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2021-10-11 00:33:49,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:33:49,607 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:49,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:49,608 INFO L82 PathProgramCache]: Analyzing trace with hash -360103735, now seen corresponding path program 1 times [2021-10-11 00:33:49,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:49,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831430769] [2021-10-11 00:33:49,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:49,965 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:49,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831430769] [2021-10-11 00:33:49,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409015476] [2021-10-11 00:33:49,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:33:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:50,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:33:50,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:33:50,387 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-11 00:33:50,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:33:50,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-11 00:33:50,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002779208] [2021-10-11 00:33:50,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:50,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:50,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:50,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:33:50,390 INFO L87 Difference]: Start difference. First operand 861 states and 1041 transitions. Second operand 3 states. [2021-10-11 00:33:50,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:50,971 INFO L93 Difference]: Finished difference Result 2425 states and 2929 transitions. [2021-10-11 00:33:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:50,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2021-10-11 00:33:50,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:50,982 INFO L225 Difference]: With dead ends: 2425 [2021-10-11 00:33:50,982 INFO L226 Difference]: Without dead ends: 1566 [2021-10-11 00:33:50,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:33:50,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2021-10-11 00:33:51,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1422. [2021-10-11 00:33:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1422 states. [2021-10-11 00:33:51,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1677 transitions. [2021-10-11 00:33:51,021 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1677 transitions. Word has length 148 [2021-10-11 00:33:51,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:51,021 INFO L481 AbstractCegarLoop]: Abstraction has 1422 states and 1677 transitions. [2021-10-11 00:33:51,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1677 transitions. [2021-10-11 00:33:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-10-11 00:33:51,048 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:51,049 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:51,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-11 00:33:51,274 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:51,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:51,275 INFO L82 PathProgramCache]: Analyzing trace with hash -183148420, now seen corresponding path program 1 times [2021-10-11 00:33:51,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:51,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282553552] [2021-10-11 00:33:51,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-11 00:33:51,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282553552] [2021-10-11 00:33:51,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:51,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:51,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920820172] [2021-10-11 00:33:51,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:51,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:51,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:51,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:51,372 INFO L87 Difference]: Start difference. First operand 1422 states and 1677 transitions. Second operand 3 states. [2021-10-11 00:33:52,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:52,071 INFO L93 Difference]: Finished difference Result 3263 states and 3903 transitions. [2021-10-11 00:33:52,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:52,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2021-10-11 00:33:52,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:52,085 INFO L225 Difference]: With dead ends: 3263 [2021-10-11 00:33:52,085 INFO L226 Difference]: Without dead ends: 1700 [2021-10-11 00:33:52,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:52,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2021-10-11 00:33:52,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1700. [2021-10-11 00:33:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2021-10-11 00:33:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 1872 transitions. [2021-10-11 00:33:52,133 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 1872 transitions. Word has length 174 [2021-10-11 00:33:52,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:52,134 INFO L481 AbstractCegarLoop]: Abstraction has 1700 states and 1872 transitions. [2021-10-11 00:33:52,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 1872 transitions. [2021-10-11 00:33:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-10-11 00:33:52,139 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:52,140 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-11 00:33:52,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:33:52,140 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:52,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:52,141 INFO L82 PathProgramCache]: Analyzing trace with hash 151319617, now seen corresponding path program 1 times [2021-10-11 00:33:52,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:52,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927982592] [2021-10-11 00:33:52,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-10-11 00:33:52,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927982592] [2021-10-11 00:33:52,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704708200] [2021-10-11 00:33:52,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:33:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:52,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:33:52,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:33:52,729 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-11 00:33:52,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:33:52,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-11 00:33:52,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444154039] [2021-10-11 00:33:52,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:52,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:52,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:52,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:33:52,732 INFO L87 Difference]: Start difference. First operand 1700 states and 1872 transitions. Second operand 3 states. [2021-10-11 00:33:53,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:53,285 INFO L93 Difference]: Finished difference Result 3678 states and 4097 transitions. [2021-10-11 00:33:53,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:53,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2021-10-11 00:33:53,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:53,297 INFO L225 Difference]: With dead ends: 3678 [2021-10-11 00:33:53,297 INFO L226 Difference]: Without dead ends: 2120 [2021-10-11 00:33:53,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:33:53,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2021-10-11 00:33:53,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 2118. [2021-10-11 00:33:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2118 states. [2021-10-11 00:33:53,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 2118 states and 2334 transitions. [2021-10-11 00:33:53,350 INFO L78 Accepts]: Start accepts. Automaton has 2118 states and 2334 transitions. Word has length 197 [2021-10-11 00:33:53,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:53,351 INFO L481 AbstractCegarLoop]: Abstraction has 2118 states and 2334 transitions. [2021-10-11 00:33:53,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2334 transitions. [2021-10-11 00:33:53,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-10-11 00:33:53,357 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:53,357 INFO L422 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, 3, 3, 3, 3, 3, 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] [2021-10-11 00:33:53,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:33:53,574 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:53,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:53,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1649521515, now seen corresponding path program 1 times [2021-10-11 00:33:53,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:53,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311731520] [2021-10-11 00:33:53,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:53,687 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-11 00:33:53,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311731520] [2021-10-11 00:33:53,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:53,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:53,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817862351] [2021-10-11 00:33:53,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:53,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:53,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:53,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:53,691 INFO L87 Difference]: Start difference. First operand 2118 states and 2334 transitions. Second operand 3 states. [2021-10-11 00:33:54,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:54,250 INFO L93 Difference]: Finished difference Result 4512 states and 4942 transitions. [2021-10-11 00:33:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:54,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2021-10-11 00:33:54,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:54,265 INFO L225 Difference]: With dead ends: 4512 [2021-10-11 00:33:54,265 INFO L226 Difference]: Without dead ends: 2536 [2021-10-11 00:33:54,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:54,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2021-10-11 00:33:54,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 1836. [2021-10-11 00:33:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2021-10-11 00:33:54,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2004 transitions. [2021-10-11 00:33:54,325 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2004 transitions. Word has length 219 [2021-10-11 00:33:54,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:54,326 INFO L481 AbstractCegarLoop]: Abstraction has 1836 states and 2004 transitions. [2021-10-11 00:33:54,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:54,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2004 transitions. [2021-10-11 00:33:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-10-11 00:33:54,331 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:54,332 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:54,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:33:54,332 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:54,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:54,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1322405632, now seen corresponding path program 1 times [2021-10-11 00:33:54,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:54,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228842683] [2021-10-11 00:33:54,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:54,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228842683] [2021-10-11 00:33:54,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567937753] [2021-10-11 00:33:54,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:33:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:54,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:33:54,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:33:55,091 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-11 00:33:55,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:33:55,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-11 00:33:55,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622924674] [2021-10-11 00:33:55,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:55,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:55,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:55,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:33:55,095 INFO L87 Difference]: Start difference. First operand 1836 states and 2004 transitions. Second operand 3 states. [2021-10-11 00:33:55,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:55,657 INFO L93 Difference]: Finished difference Result 3529 states and 3862 transitions. [2021-10-11 00:33:55,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:55,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2021-10-11 00:33:55,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:55,658 INFO L225 Difference]: With dead ends: 3529 [2021-10-11 00:33:55,659 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:33:55,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:33:55,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:33:55,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:33:55,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:33:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:33:55,664 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2021-10-11 00:33:55,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:55,665 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:33:55,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:55,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:33:55,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:33:55,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:33:55,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:33:56,040 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2021-10-11 00:33:56,149 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2021-10-11 00:33:56,152 INFO L262 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,152 INFO L262 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,152 INFO L262 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,153 INFO L262 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-11 00:33:56,153 INFO L262 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-11 00:33:56,153 INFO L262 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-11 00:33:56,153 INFO L262 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-11 00:33:56,153 INFO L262 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-11 00:33:56,153 INFO L262 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-11 00:33:56,153 INFO L262 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-11 00:33:56,154 INFO L262 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-11 00:33:56,154 INFO L262 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,154 INFO L262 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,154 INFO L262 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,154 INFO L262 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-11 00:33:56,154 INFO L262 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-11 00:33:56,155 INFO L262 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-11 00:33:56,155 INFO L262 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-11 00:33:56,155 INFO L262 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-11 00:33:56,155 INFO L262 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,155 INFO L262 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,155 INFO L262 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,155 INFO L262 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-11 00:33:56,156 INFO L262 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-11 00:33:56,156 INFO L262 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-11 00:33:56,156 INFO L262 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-11 00:33:56,156 INFO L262 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-11 00:33:56,156 INFO L262 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-11 00:33:56,156 INFO L262 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-11 00:33:56,156 INFO L262 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-11 00:33:56,156 INFO L262 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-11 00:33:56,157 INFO L262 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-11 00:33:56,157 INFO L262 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,157 INFO L262 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,157 INFO L262 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,157 INFO L262 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-11 00:33:56,157 INFO L262 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-11 00:33:56,157 INFO L262 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-11 00:33:56,158 INFO L262 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-11 00:33:56,158 INFO L262 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-11 00:33:56,158 INFO L262 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-11 00:33:56,158 INFO L262 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-11 00:33:56,158 INFO L262 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,158 INFO L262 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,158 INFO L262 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,158 INFO L262 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-11 00:33:56,159 INFO L262 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-11 00:33:56,159 INFO L262 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-11 00:33:56,159 INFO L262 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-11 00:33:56,159 INFO L262 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-11 00:33:56,159 INFO L262 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-11 00:33:56,159 INFO L262 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-11 00:33:56,159 INFO L262 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,159 INFO L262 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,160 INFO L262 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,160 INFO L262 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-11 00:33:56,160 INFO L262 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-11 00:33:56,160 INFO L262 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-11 00:33:56,160 INFO L262 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-11 00:33:56,160 INFO L262 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-11 00:33:56,160 INFO L262 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,161 INFO L262 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,161 INFO L262 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,161 INFO L262 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-11 00:33:56,161 INFO L262 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-11 00:33:56,161 INFO L262 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-11 00:33:56,161 INFO L262 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-11 00:33:56,161 INFO L262 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-11 00:33:56,161 INFO L262 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-11 00:33:56,162 INFO L262 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-11 00:33:56,162 INFO L262 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-11 00:33:56,162 INFO L262 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,162 INFO L262 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,162 INFO L262 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,162 INFO L262 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-11 00:33:56,162 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:33:56,162 INFO L262 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-11 00:33:56,163 INFO L262 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-11 00:33:56,163 INFO L262 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-11 00:33:56,163 INFO L262 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-11 00:33:56,163 INFO L262 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-11 00:33:56,163 INFO L262 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-11 00:33:56,163 INFO L262 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-11 00:33:56,163 INFO L262 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,164 INFO L262 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,164 INFO L262 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,164 INFO L262 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-11 00:33:56,164 INFO L262 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-11 00:33:56,164 INFO L262 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-11 00:33:56,164 INFO L262 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-11 00:33:56,164 INFO L262 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-11 00:33:56,164 INFO L262 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-11 00:33:56,165 INFO L262 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-11 00:33:56,165 INFO L262 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-11 00:33:56,165 INFO L262 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-11 00:33:56,165 INFO L262 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,165 INFO L262 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,165 INFO L262 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,165 INFO L262 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-11 00:33:56,165 INFO L262 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-11 00:33:56,166 INFO L262 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-11 00:33:56,166 INFO L262 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-11 00:33:56,166 INFO L262 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-11 00:33:56,166 INFO L262 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-11 00:33:56,166 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:33:56,166 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-11 00:33:56,166 INFO L262 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,167 INFO L262 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,167 INFO L262 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,167 INFO L262 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-11 00:33:56,167 INFO L262 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-11 00:33:56,167 INFO L262 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-11 00:33:56,167 INFO L262 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-11 00:33:56,167 INFO L262 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-11 00:33:56,167 INFO L262 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-11 00:33:56,168 INFO L262 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-11 00:33:56,168 INFO L262 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-11 00:33:56,168 INFO L262 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,168 INFO L262 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,168 INFO L262 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,168 INFO L262 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-11 00:33:56,168 INFO L262 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-11 00:33:56,168 INFO L262 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-11 00:33:56,169 INFO L262 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-11 00:33:56,169 INFO L262 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-11 00:33:56,169 INFO L262 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,169 INFO L262 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,169 INFO L262 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,169 INFO L262 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-11 00:33:56,169 INFO L262 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-11 00:33:56,170 INFO L262 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-11 00:33:56,170 INFO L262 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-11 00:33:56,170 INFO L262 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-11 00:33:56,170 INFO L262 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-11 00:33:56,170 INFO L262 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-11 00:33:56,170 INFO L262 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-11 00:33:56,170 INFO L262 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-11 00:33:56,170 INFO L262 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-11 00:33:56,171 INFO L262 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-11 00:33:56,171 INFO L262 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,171 INFO L262 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,171 INFO L262 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-11 00:33:56,171 INFO L262 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-11 00:33:56,171 INFO L262 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-11 00:33:56,171 INFO L262 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-11 00:33:56,171 INFO L262 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-11 00:33:56,171 INFO L262 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-11 00:33:56,172 INFO L262 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-11 00:33:56,172 INFO L262 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-11 00:33:56,172 INFO L262 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-11 00:33:56,172 INFO L258 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse4 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and (<= 8 ~a17~0) .cse1 .cse2) (and .cse3 .cse2 (<= ~a25~0 0) .cse4) (and (<= 9 ~a28~0) .cse2 .cse4))) [2021-10-11 00:33:56,173 INFO L262 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,173 INFO L262 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,173 INFO L262 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-11 00:33:56,173 INFO L262 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-11 00:33:56,173 INFO L262 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-11 00:33:56,173 INFO L262 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-11 00:33:56,173 INFO L262 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-11 00:33:56,173 INFO L262 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-11 00:33:56,174 INFO L265 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-11 00:33:56,174 INFO L262 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,174 INFO L262 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,174 INFO L262 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-11 00:33:56,174 INFO L262 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-11 00:33:56,174 INFO L262 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-11 00:33:56,174 INFO L262 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-11 00:33:56,174 INFO L262 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-11 00:33:56,175 INFO L262 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-11 00:33:56,175 INFO L262 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-11 00:33:56,175 INFO L262 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-11 00:33:56,175 INFO L262 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-11 00:33:56,175 INFO L262 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,175 INFO L262 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,175 INFO L262 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-11 00:33:56,175 INFO L262 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-11 00:33:56,176 INFO L262 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-11 00:33:56,176 INFO L262 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-11 00:33:56,176 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:33:56,176 INFO L262 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-11 00:33:56,176 INFO L262 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-11 00:33:56,176 INFO L258 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse4 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and (<= 8 ~a17~0) .cse1 .cse2) (and .cse3 .cse2 (<= ~a25~0 0) .cse4) (and (<= 9 ~a28~0) .cse2 .cse4))) [2021-10-11 00:33:56,176 INFO L262 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,177 INFO L262 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,177 INFO L262 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-11 00:33:56,177 INFO L262 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-11 00:33:56,177 INFO L262 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-11 00:33:56,177 INFO L262 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-11 00:33:56,177 INFO L262 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-11 00:33:56,177 INFO L262 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,178 INFO L262 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,178 INFO L262 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-11 00:33:56,178 INFO L262 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-11 00:33:56,178 INFO L262 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-11 00:33:56,178 INFO L262 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-11 00:33:56,178 INFO L262 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-11 00:33:56,178 INFO L262 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-11 00:33:56,178 INFO L262 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-11 00:33:56,179 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-11 00:33:56,179 INFO L262 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-11 00:33:56,179 INFO L262 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,179 INFO L262 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,179 INFO L262 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-11 00:33:56,179 INFO L262 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,179 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:33:56,179 INFO L262 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-11 00:33:56,180 INFO L262 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-11 00:33:56,180 INFO L262 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-11 00:33:56,180 INFO L262 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-11 00:33:56,180 INFO L262 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-11 00:33:56,180 INFO L262 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-11 00:33:56,180 INFO L262 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,180 INFO L262 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,180 INFO L262 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,181 INFO L262 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-11 00:33:56,181 INFO L262 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-11 00:33:56,181 INFO L262 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-11 00:33:56,181 INFO L262 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-11 00:33:56,181 INFO L262 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-11 00:33:56,181 INFO L262 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,181 INFO L262 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,181 INFO L262 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:33:56,182 INFO L262 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-11 00:33:56,182 INFO L262 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-11 00:33:56,182 INFO L262 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-11 00:33:56,182 INFO L262 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-11 00:33:56,182 INFO L262 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-11 00:33:56,182 INFO L262 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-11 00:33:56,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:33:56 BoogieIcfgContainer [2021-10-11 00:33:56,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:33:56,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:33:56,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:33:56,202 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:33:56,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:45" (3/4) ... [2021-10-11 00:33:56,206 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:33:56,225 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:33:56,227 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:33:56,228 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:33:56,229 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:33:56,414 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350fde4-d314-4a94-b6df-bcaa20482010/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:33:56,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:33:56,416 INFO L168 Benchmark]: Toolchain (without parser) took 13607.97 ms. Allocated memory was 111.1 MB in the beginning and 360.7 MB in the end (delta: 249.6 MB). Free memory was 81.8 MB in the beginning and 177.7 MB in the end (delta: -95.9 MB). Peak memory consumption was 153.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,416 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 111.1 MB. Free memory is still 65.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:56,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.90 ms. Allocated memory was 111.1 MB in the beginning and 144.7 MB in the end (delta: 33.6 MB). Free memory was 81.4 MB in the beginning and 102.8 MB in the end (delta: -21.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.84 ms. Allocated memory is still 144.7 MB. Free memory was 102.8 MB in the beginning and 97.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,418 INFO L168 Benchmark]: Boogie Preprocessor took 85.58 ms. Allocated memory is still 144.7 MB. Free memory was 97.7 MB in the beginning and 93.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,419 INFO L168 Benchmark]: RCFGBuilder took 1413.82 ms. Allocated memory is still 144.7 MB. Free memory was 92.9 MB in the beginning and 112.9 MB in the end (delta: -20.0 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,419 INFO L168 Benchmark]: TraceAbstraction took 11093.75 ms. Allocated memory was 144.7 MB in the beginning and 360.7 MB in the end (delta: 216.0 MB). Free memory was 112.7 MB in the beginning and 192.4 MB in the end (delta: -79.7 MB). Peak memory consumption was 136.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,420 INFO L168 Benchmark]: Witness Printer took 212.98 ms. Allocated memory is still 360.7 MB. Free memory was 191.3 MB in the beginning and 177.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 111.1 MB. Free memory is still 65.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 673.90 ms. Allocated memory was 111.1 MB in the beginning and 144.7 MB in the end (delta: 33.6 MB). Free memory was 81.4 MB in the beginning and 102.8 MB in the end (delta: -21.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.84 ms. Allocated memory is still 144.7 MB. Free memory was 102.8 MB in the beginning and 97.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.58 ms. Allocated memory is still 144.7 MB. Free memory was 97.7 MB in the beginning and 93.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1413.82 ms. Allocated memory is still 144.7 MB. Free memory was 92.9 MB in the beginning and 112.9 MB in the end (delta: -20.0 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11093.75 ms. Allocated memory was 144.7 MB in the beginning and 360.7 MB in the end (delta: 216.0 MB). Free memory was 112.7 MB in the beginning and 192.4 MB in the end (delta: -79.7 MB). Peak memory consumption was 136.3 MB. Max. memory is 16.1 GB. * Witness Printer took 212.98 ms. Allocated memory is still 360.7 MB. Free memory was 191.3 MB in the beginning and 177.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 == 1 && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((!(a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 == 1 && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((!(a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 773 SDtfs, 1233 SDslu, 96 SDs, 0 SdLazy, 3284 SolverSat, 575 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 590 GetRequests, 571 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2118occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1126 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 113 HoareAnnotationTreeSize, 3 FomulaSimplifications, 786 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 134 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2200 NumberOfCodeBlocks, 2200 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2187 ConstructedInterpolants, 0 QuantifiedInterpolants, 1336513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1036 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 875/957 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...