./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label40.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_e43a02be-5e50-42f5-82ce-2fe0fa372292/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/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_e43a02be-5e50-42f5-82ce-2fe0fa372292/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/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_e43a02be-5e50-42f5-82ce-2fe0fa372292/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 92a0366739b54f5786fd81f9c3804cb2d83d614e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:29:48,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:29:48,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:29:48,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:29:48,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:29:48,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:29:48,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:29:48,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:29:48,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:29:48,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:29:48,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:29:48,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:29:48,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:29:48,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:29:48,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:29:48,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:29:48,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:29:48,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:29:48,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:29:48,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:29:48,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:29:48,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:29:48,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:29:48,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:29:48,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:29:48,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:29:48,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:29:48,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:29:48,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:29:48,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:29:48,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:29:48,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:29:48,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:29:48,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:29:48,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:29:48,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:29:48,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:29:48,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:29:48,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:29:48,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:29:48,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:29:48,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:29:48,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:29:48,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:29:48,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:29:48,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:29:48,544 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:29:48,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:29:48,545 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:29:48,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:29:48,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:29:48,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:29:48,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:29:48,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:29:48,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:29:48,547 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:29:48,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:29:48,547 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:29:48,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:29:48,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:29:48,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:29:48,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:29:48,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:48,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:29:48,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:29:48,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:29:48,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:29:48,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:29:48,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:29:48,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:29:48,550 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_e43a02be-5e50-42f5-82ce-2fe0fa372292/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92a0366739b54f5786fd81f9c3804cb2d83d614e [2021-10-11 00:29:48,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:48,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:48,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:48,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:48,877 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:48,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem10_label40.c [2021-10-11 00:29:48,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/bin/uautomizer-Z5i5R5N3CC/data/cb8376609/a6c6849fa5094ef082161d9983e9384c/FLAG671052c55 [2021-10-11 00:29:49,602 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:49,602 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/sv-benchmarks/c/eca-rers2012/Problem10_label40.c [2021-10-11 00:29:49,630 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/bin/uautomizer-Z5i5R5N3CC/data/cb8376609/a6c6849fa5094ef082161d9983e9384c/FLAG671052c55 [2021-10-11 00:29:49,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/bin/uautomizer-Z5i5R5N3CC/data/cb8376609/a6c6849fa5094ef082161d9983e9384c [2021-10-11 00:29:49,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:49,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:49,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:49,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:49,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:49,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@229b0cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49, skipping insertion in model container [2021-10-11 00:29:49,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:49,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:50,170 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_e43a02be-5e50-42f5-82ce-2fe0fa372292/sv-benchmarks/c/eca-rers2012/Problem10_label40.c[5662,5675] [2021-10-11 00:29:50,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:50,348 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:50,415 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_e43a02be-5e50-42f5-82ce-2fe0fa372292/sv-benchmarks/c/eca-rers2012/Problem10_label40.c[5662,5675] [2021-10-11 00:29:50,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:50,554 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:50,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50 WrapperNode [2021-10-11 00:29:50,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:50,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:50,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:50,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:50,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:50,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:50,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:50,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:50,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:50,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:50,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:50,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:50,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/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 00:29:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:29:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:52,491 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:52,492 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:29:52,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:52 BoogieIcfgContainer [2021-10-11 00:29:52,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:52,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:29:52,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:29:52,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:29:52,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:29:49" (1/3) ... [2021-10-11 00:29:52,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1eb56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:52, skipping insertion in model container [2021-10-11 00:29:52,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (2/3) ... [2021-10-11 00:29:52,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1eb56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:52, skipping insertion in model container [2021-10-11 00:29:52,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:52" (3/3) ... [2021-10-11 00:29:52,504 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label40.c [2021-10-11 00:29:52,519 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:29:52,524 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:29:52,536 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:29:52,565 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:29:52,565 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:29:52,566 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:29:52,566 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:52,566 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:52,566 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:29:52,566 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:52,566 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:29:52,587 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2021-10-11 00:29:52,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-11 00:29:52,596 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:52,596 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] [2021-10-11 00:29:52,597 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:52,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:52,603 INFO L82 PathProgramCache]: Analyzing trace with hash 301649817, now seen corresponding path program 1 times [2021-10-11 00:29:52,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:52,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382244557] [2021-10-11 00:29:52,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:52,957 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 00:29:52,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382244557] [2021-10-11 00:29:52,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:52,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:52,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156996900] [2021-10-11 00:29:52,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:52,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:52,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:52,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:52,988 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2021-10-11 00:29:54,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:54,153 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2021-10-11 00:29:54,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:54,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2021-10-11 00:29:54,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:54,195 INFO L225 Difference]: With dead ends: 552 [2021-10-11 00:29:54,198 INFO L226 Difference]: Without dead ends: 282 [2021-10-11 00:29:54,202 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 00:29:54,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-11 00:29:54,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-10-11 00:29:54,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-10-11 00:29:54,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2021-10-11 00:29:54,305 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 49 [2021-10-11 00:29:54,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:54,305 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2021-10-11 00:29:54,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:54,307 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2021-10-11 00:29:54,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-11 00:29:54,322 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:54,322 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, 2, 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] [2021-10-11 00:29:54,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:29:54,323 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:54,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:54,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1642013361, now seen corresponding path program 1 times [2021-10-11 00:29:54,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:54,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056714601] [2021-10-11 00:29:54,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:54,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056714601] [2021-10-11 00:29:54,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:54,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:54,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899502823] [2021-10-11 00:29:54,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:54,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:54,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:54,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:54,586 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2021-10-11 00:29:55,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:55,375 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2021-10-11 00:29:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:55,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2021-10-11 00:29:55,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:55,380 INFO L225 Difference]: With dead ends: 701 [2021-10-11 00:29:55,381 INFO L226 Difference]: Without dead ends: 421 [2021-10-11 00:29:55,383 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 00:29:55,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-11 00:29:55,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-10-11 00:29:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-10-11 00:29:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2021-10-11 00:29:55,404 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 118 [2021-10-11 00:29:55,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:55,404 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2021-10-11 00:29:55,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2021-10-11 00:29:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-11 00:29:55,407 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:55,407 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, 2, 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] [2021-10-11 00:29:55,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:29:55,408 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:55,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:55,409 INFO L82 PathProgramCache]: Analyzing trace with hash -454532448, now seen corresponding path program 1 times [2021-10-11 00:29:55,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:55,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633275287] [2021-10-11 00:29:55,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:55,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633275287] [2021-10-11 00:29:55,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:55,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:55,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882374850] [2021-10-11 00:29:55,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:55,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:55,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:55,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:55,644 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand 3 states. [2021-10-11 00:29:56,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:56,566 INFO L93 Difference]: Finished difference Result 1118 states and 1639 transitions. [2021-10-11 00:29:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:56,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2021-10-11 00:29:56,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:56,588 INFO L225 Difference]: With dead ends: 1118 [2021-10-11 00:29:56,588 INFO L226 Difference]: Without dead ends: 838 [2021-10-11 00:29:56,590 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 00:29:56,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-11 00:29:56,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2021-10-11 00:29:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2021-10-11 00:29:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 929 transitions. [2021-10-11 00:29:56,664 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 929 transitions. Word has length 124 [2021-10-11 00:29:56,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:56,665 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 929 transitions. [2021-10-11 00:29:56,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 929 transitions. [2021-10-11 00:29:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-10-11 00:29:56,677 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:56,678 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, 2, 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] [2021-10-11 00:29:56,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:29:56,678 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:56,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:56,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1995551442, now seen corresponding path program 1 times [2021-10-11 00:29:56,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:56,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282693997] [2021-10-11 00:29:56,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:56,951 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:56,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282693997] [2021-10-11 00:29:56,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:56,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:56,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264933296] [2021-10-11 00:29:56,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:29:56,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:56,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:29:56,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:29:56,956 INFO L87 Difference]: Start difference. First operand 699 states and 929 transitions. Second operand 4 states. [2021-10-11 00:29:57,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:57,808 INFO L93 Difference]: Finished difference Result 1129 states and 1544 transitions. [2021-10-11 00:29:57,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:29:57,809 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2021-10-11 00:29:57,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:57,812 INFO L225 Difference]: With dead ends: 1129 [2021-10-11 00:29:57,813 INFO L226 Difference]: Without dead ends: 571 [2021-10-11 00:29:57,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:57,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2021-10-11 00:29:57,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2021-10-11 00:29:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2021-10-11 00:29:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 750 transitions. [2021-10-11 00:29:57,831 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 750 transitions. Word has length 143 [2021-10-11 00:29:57,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:57,832 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 750 transitions. [2021-10-11 00:29:57,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:29:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 750 transitions. [2021-10-11 00:29:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-10-11 00:29:57,834 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:57,835 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:57,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:29:57,835 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:57,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:57,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1960374370, now seen corresponding path program 1 times [2021-10-11 00:29:57,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:57,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030409251] [2021-10-11 00:29:57,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:57,965 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-11 00:29:57,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030409251] [2021-10-11 00:29:57,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:57,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:57,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154038675] [2021-10-11 00:29:57,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:57,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:57,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:57,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:57,968 INFO L87 Difference]: Start difference. First operand 560 states and 750 transitions. Second operand 3 states. [2021-10-11 00:29:58,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:58,674 INFO L93 Difference]: Finished difference Result 1257 states and 1742 transitions. [2021-10-11 00:29:58,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:58,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2021-10-11 00:29:58,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:58,680 INFO L225 Difference]: With dead ends: 1257 [2021-10-11 00:29:58,680 INFO L226 Difference]: Without dead ends: 838 [2021-10-11 00:29:58,681 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 00:29:58,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-11 00:29:58,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-10-11 00:29:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2021-10-11 00:29:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1068 transitions. [2021-10-11 00:29:58,704 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1068 transitions. Word has length 184 [2021-10-11 00:29:58,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:58,705 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1068 transitions. [2021-10-11 00:29:58,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:58,705 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1068 transitions. [2021-10-11 00:29:58,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-10-11 00:29:58,708 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:58,709 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, 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, 1, 1, 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 00:29:58,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:29:58,709 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:58,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:58,710 INFO L82 PathProgramCache]: Analyzing trace with hash -55886479, now seen corresponding path program 1 times [2021-10-11 00:29:58,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:58,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242088422] [2021-10-11 00:29:58,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:58,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242088422] [2021-10-11 00:29:58,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:58,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:58,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5563358] [2021-10-11 00:29:58,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:58,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:58,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:58,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:58,857 INFO L87 Difference]: Start difference. First operand 838 states and 1068 transitions. Second operand 3 states. [2021-10-11 00:29:59,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:59,554 INFO L93 Difference]: Finished difference Result 1813 states and 2369 transitions. [2021-10-11 00:29:59,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:59,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2021-10-11 00:29:59,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:59,562 INFO L225 Difference]: With dead ends: 1813 [2021-10-11 00:29:59,563 INFO L226 Difference]: Without dead ends: 1116 [2021-10-11 00:29:59,564 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 00:29:59,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-10-11 00:29:59,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2021-10-11 00:29:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2021-10-11 00:29:59,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1217 transitions. [2021-10-11 00:29:59,593 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1217 transitions. Word has length 201 [2021-10-11 00:29:59,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:59,594 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1217 transitions. [2021-10-11 00:29:59,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:59,594 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1217 transitions. [2021-10-11 00:29:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-10-11 00:29:59,598 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:59,599 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:29:59,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:29:59,600 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:59,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:59,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1630638232, now seen corresponding path program 1 times [2021-10-11 00:29:59,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:59,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022206843] [2021-10-11 00:29:59,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:59,939 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-11 00:29:59,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022206843] [2021-10-11 00:29:59,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:59,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:29:59,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253656058] [2021-10-11 00:29:59,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:29:59,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:59,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:59,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:59,942 INFO L87 Difference]: Start difference. First operand 977 states and 1217 transitions. Second operand 5 states. [2021-10-11 00:30:00,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:00,597 INFO L93 Difference]: Finished difference Result 1831 states and 2306 transitions. [2021-10-11 00:30:00,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:30:00,598 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2021-10-11 00:30:00,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:00,605 INFO L225 Difference]: With dead ends: 1831 [2021-10-11 00:30:00,605 INFO L226 Difference]: Without dead ends: 977 [2021-10-11 00:30:00,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:00,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-10-11 00:30:00,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2021-10-11 00:30:00,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2021-10-11 00:30:00,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1213 transitions. [2021-10-11 00:30:00,637 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1213 transitions. Word has length 223 [2021-10-11 00:30:00,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:00,638 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1213 transitions. [2021-10-11 00:30:00,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:30:00,638 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1213 transitions. [2021-10-11 00:30:00,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-10-11 00:30:00,643 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:00,644 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:30:00,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:30:00,644 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:00,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:00,645 INFO L82 PathProgramCache]: Analyzing trace with hash -679180104, now seen corresponding path program 1 times [2021-10-11 00:30:00,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:00,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563063411] [2021-10-11 00:30:00,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:01,023 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:30:01,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563063411] [2021-10-11 00:30:01,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:01,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:30:01,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738411262] [2021-10-11 00:30:01,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:30:01,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:01,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:30:01,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:01,028 INFO L87 Difference]: Start difference. First operand 977 states and 1213 transitions. Second operand 7 states. [2021-10-11 00:30:01,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:01,729 INFO L93 Difference]: Finished difference Result 1868 states and 2335 transitions. [2021-10-11 00:30:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:30:01,730 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2021-10-11 00:30:01,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:01,737 INFO L225 Difference]: With dead ends: 1868 [2021-10-11 00:30:01,737 INFO L226 Difference]: Without dead ends: 977 [2021-10-11 00:30:01,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:01,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-10-11 00:30:01,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2021-10-11 00:30:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2021-10-11 00:30:01,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1209 transitions. [2021-10-11 00:30:01,769 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1209 transitions. Word has length 237 [2021-10-11 00:30:01,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:01,769 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1209 transitions. [2021-10-11 00:30:01,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:30:01,770 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1209 transitions. [2021-10-11 00:30:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-10-11 00:30:01,775 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:01,775 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:01,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:30:01,776 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:01,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:01,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1068697105, now seen corresponding path program 1 times [2021-10-11 00:30:01,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:01,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068300455] [2021-10-11 00:30:01,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-10-11 00:30:02,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068300455] [2021-10-11 00:30:02,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:02,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:30:02,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832591178] [2021-10-11 00:30:02,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:02,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:02,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:02,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:02,078 INFO L87 Difference]: Start difference. First operand 977 states and 1209 transitions. Second operand 3 states. [2021-10-11 00:30:02,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:02,934 INFO L93 Difference]: Finished difference Result 2091 states and 2648 transitions. [2021-10-11 00:30:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:02,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 265 [2021-10-11 00:30:02,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:02,944 INFO L225 Difference]: With dead ends: 2091 [2021-10-11 00:30:02,944 INFO L226 Difference]: Without dead ends: 1255 [2021-10-11 00:30:02,946 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 00:30:02,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-10-11 00:30:02,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2021-10-11 00:30:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-10-11 00:30:02,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1452 transitions. [2021-10-11 00:30:02,983 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1452 transitions. Word has length 265 [2021-10-11 00:30:02,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:02,984 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1452 transitions. [2021-10-11 00:30:02,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1452 transitions. [2021-10-11 00:30:02,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-10-11 00:30:02,990 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:02,990 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:02,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:30:02,991 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:02,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:02,992 INFO L82 PathProgramCache]: Analyzing trace with hash -642880418, now seen corresponding path program 1 times [2021-10-11 00:30:02,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:02,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178582140] [2021-10-11 00:30:02,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-11 00:30:03,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178582140] [2021-10-11 00:30:03,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:03,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:30:03,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310414106] [2021-10-11 00:30:03,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:30:03,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:03,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:30:03,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:03,450 INFO L87 Difference]: Start difference. First operand 1255 states and 1452 transitions. Second operand 5 states. [2021-10-11 00:30:04,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:04,064 INFO L93 Difference]: Finished difference Result 2387 states and 2777 transitions. [2021-10-11 00:30:04,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:30:04,066 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 273 [2021-10-11 00:30:04,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:04,083 INFO L225 Difference]: With dead ends: 2387 [2021-10-11 00:30:04,084 INFO L226 Difference]: Without dead ends: 1255 [2021-10-11 00:30:04,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:04,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-10-11 00:30:04,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2021-10-11 00:30:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-10-11 00:30:04,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1445 transitions. [2021-10-11 00:30:04,122 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1445 transitions. Word has length 273 [2021-10-11 00:30:04,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:04,123 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1445 transitions. [2021-10-11 00:30:04,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:30:04,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1445 transitions. [2021-10-11 00:30:04,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-10-11 00:30:04,129 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:04,130 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:30:04,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:30:04,131 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:04,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:04,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1943484646, now seen corresponding path program 1 times [2021-10-11 00:30:04,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:04,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668765031] [2021-10-11 00:30:04,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:04,597 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 47 proven. 148 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-11 00:30:04,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668765031] [2021-10-11 00:30:04,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344158141] [2021-10-11 00:30:04,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/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 00:30:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:04,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:30:04,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:30:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-11 00:30:05,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:30:05,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-10-11 00:30:05,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993279297] [2021-10-11 00:30:05,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:05,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:05,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:05,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:30:05,359 INFO L87 Difference]: Start difference. First operand 1255 states and 1445 transitions. Second operand 3 states. [2021-10-11 00:30:06,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:06,134 INFO L93 Difference]: Finished difference Result 2647 states and 3118 transitions. [2021-10-11 00:30:06,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:06,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2021-10-11 00:30:06,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:06,145 INFO L225 Difference]: With dead ends: 2647 [2021-10-11 00:30:06,145 INFO L226 Difference]: Without dead ends: 1533 [2021-10-11 00:30:06,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:30:06,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2021-10-11 00:30:06,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1394. [2021-10-11 00:30:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2021-10-11 00:30:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1599 transitions. [2021-10-11 00:30:06,184 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1599 transitions. Word has length 297 [2021-10-11 00:30:06,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:06,185 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1599 transitions. [2021-10-11 00:30:06,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:06,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1599 transitions. [2021-10-11 00:30:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-10-11 00:30:06,192 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:06,193 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:06,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-11 00:30:06,419 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:06,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:06,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1006740733, now seen corresponding path program 1 times [2021-10-11 00:30:06,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:06,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88770776] [2021-10-11 00:30:06,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-10-11 00:30:06,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88770776] [2021-10-11 00:30:06,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:06,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:06,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902214557] [2021-10-11 00:30:06,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:06,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:06,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:06,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:06,738 INFO L87 Difference]: Start difference. First operand 1394 states and 1599 transitions. Second operand 3 states. [2021-10-11 00:30:07,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:07,477 INFO L93 Difference]: Finished difference Result 2647 states and 3053 transitions. [2021-10-11 00:30:07,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:07,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2021-10-11 00:30:07,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:07,487 INFO L225 Difference]: With dead ends: 2647 [2021-10-11 00:30:07,488 INFO L226 Difference]: Without dead ends: 1394 [2021-10-11 00:30:07,490 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 00:30:07,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-10-11 00:30:07,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2021-10-11 00:30:07,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-10-11 00:30:07,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1380 transitions. [2021-10-11 00:30:07,521 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1380 transitions. Word has length 348 [2021-10-11 00:30:07,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:07,522 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1380 transitions. [2021-10-11 00:30:07,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1380 transitions. [2021-10-11 00:30:07,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-10-11 00:30:07,531 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:07,531 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:07,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:30:07,532 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:07,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:07,533 INFO L82 PathProgramCache]: Analyzing trace with hash 94084337, now seen corresponding path program 1 times [2021-10-11 00:30:07,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:07,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472688415] [2021-10-11 00:30:07,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:07,777 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-11 00:30:07,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472688415] [2021-10-11 00:30:07,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:07,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:07,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062805350] [2021-10-11 00:30:07,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:07,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:07,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:07,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:07,784 INFO L87 Difference]: Start difference. First operand 1255 states and 1380 transitions. Second operand 3 states. [2021-10-11 00:30:08,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:08,616 INFO L93 Difference]: Finished difference Result 3203 states and 3544 transitions. [2021-10-11 00:30:08,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:08,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2021-10-11 00:30:08,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:08,629 INFO L225 Difference]: With dead ends: 3203 [2021-10-11 00:30:08,629 INFO L226 Difference]: Without dead ends: 2089 [2021-10-11 00:30:08,631 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 00:30:08,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2021-10-11 00:30:08,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2021-10-11 00:30:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2021-10-11 00:30:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2271 transitions. [2021-10-11 00:30:08,684 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2271 transitions. Word has length 350 [2021-10-11 00:30:08,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:08,685 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2271 transitions. [2021-10-11 00:30:08,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:08,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2271 transitions. [2021-10-11 00:30:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-10-11 00:30:08,691 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:08,692 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:08,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:30:08,692 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:08,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:08,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1928140109, now seen corresponding path program 1 times [2021-10-11 00:30:08,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:08,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791310418] [2021-10-11 00:30:08,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-10-11 00:30:08,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791310418] [2021-10-11 00:30:08,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:08,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:08,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342014227] [2021-10-11 00:30:08,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:08,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:08,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:08,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:08,981 INFO L87 Difference]: Start difference. First operand 2089 states and 2271 transitions. Second operand 3 states. [2021-10-11 00:30:09,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:09,666 INFO L93 Difference]: Finished difference Result 4313 states and 4704 transitions. [2021-10-11 00:30:09,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:09,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2021-10-11 00:30:09,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:09,668 INFO L225 Difference]: With dead ends: 4313 [2021-10-11 00:30:09,668 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:30:09,673 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 00:30:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:30:09,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:30:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:30:09,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:30:09,674 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2021-10-11 00:30:09,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:09,675 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:30:09,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:09,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:30:09,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:30:09,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-11 00:30:09,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:30:10,029 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2021-10-11 00:30:10,300 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2021-10-11 00:30:10,305 INFO L262 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2021-10-11 00:30:10,305 INFO L262 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-10-11 00:30:10,305 INFO L262 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-10-11 00:30:10,305 INFO L262 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-10-11 00:30:10,306 INFO L262 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-10-11 00:30:10,306 INFO L262 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-10-11 00:30:10,306 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,306 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,306 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,306 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,306 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,307 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,307 INFO L262 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-10-11 00:30:10,307 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-11 00:30:10,307 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-11 00:30:10,307 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-11 00:30:10,307 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-11 00:30:10,308 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-11 00:30:10,308 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-11 00:30:10,308 INFO L262 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-10-11 00:30:10,309 INFO L262 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-10-11 00:30:10,309 INFO L262 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-10-11 00:30:10,309 INFO L262 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-10-11 00:30:10,309 INFO L262 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-10-11 00:30:10,309 INFO L262 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-10-11 00:30:10,310 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,310 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,310 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,311 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,311 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,311 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,311 INFO L262 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-10-11 00:30:10,311 INFO L262 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-10-11 00:30:10,311 INFO L262 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-10-11 00:30:10,311 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-11 00:30:10,312 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-11 00:30:10,312 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-11 00:30:10,312 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-11 00:30:10,312 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-11 00:30:10,312 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-11 00:30:10,312 INFO L262 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-10-11 00:30:10,312 INFO L262 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-10-11 00:30:10,313 INFO L262 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-10-11 00:30:10,313 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,313 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,313 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,313 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,313 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,313 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,314 INFO L262 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-10-11 00:30:10,314 INFO L262 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-10-11 00:30:10,314 INFO L262 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-10-11 00:30:10,314 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-11 00:30:10,314 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-11 00:30:10,314 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-11 00:30:10,315 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-11 00:30:10,315 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-11 00:30:10,315 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-11 00:30:10,315 INFO L262 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-10-11 00:30:10,315 INFO L262 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-10-11 00:30:10,315 INFO L262 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-10-11 00:30:10,316 INFO L262 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-10-11 00:30:10,316 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,316 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,316 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,316 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,316 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,317 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,317 INFO L262 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-10-11 00:30:10,317 INFO L262 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-10-11 00:30:10,317 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-11 00:30:10,317 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-11 00:30:10,318 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-11 00:30:10,318 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-11 00:30:10,318 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-11 00:30:10,319 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-11 00:30:10,319 INFO L262 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-10-11 00:30:10,319 INFO L262 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-10-11 00:30:10,319 INFO L262 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-10-11 00:30:10,319 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,319 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,320 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,320 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,320 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,320 INFO L262 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-10-11 00:30:10,320 INFO L262 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-10-11 00:30:10,320 INFO L262 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-10-11 00:30:10,321 INFO L262 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-10-11 00:30:10,321 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-11 00:30:10,321 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-11 00:30:10,321 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-11 00:30:10,321 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-11 00:30:10,321 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-11 00:30:10,322 INFO L262 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-10-11 00:30:10,322 INFO L262 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-10-11 00:30:10,322 INFO L262 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-10-11 00:30:10,322 INFO L262 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-10-11 00:30:10,322 INFO L262 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-10-11 00:30:10,322 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,323 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,323 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,323 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,323 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,323 INFO L262 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-10-11 00:30:10,323 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:30:10,324 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-11 00:30:10,324 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-11 00:30:10,324 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-11 00:30:10,324 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-11 00:30:10,324 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-11 00:30:10,326 INFO L258 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (= ~a10~0 0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 4 ~a10~0) .cse1 .cse2) (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 (<= ~a19~0 6)) (and .cse0 (<= 9 ~a19~0) .cse3 .cse1) (and (= ~a19~0 8) (<= 41 ~a1~0) .cse0 .cse3 .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2021-10-11 00:30:10,326 INFO L262 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-10-11 00:30:10,327 INFO L262 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-10-11 00:30:10,327 INFO L262 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-10-11 00:30:10,327 INFO L262 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-10-11 00:30:10,327 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,327 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,328 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,328 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,328 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,328 INFO L262 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-10-11 00:30:10,328 INFO L262 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-10-11 00:30:10,328 INFO L262 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-10-11 00:30:10,329 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-11 00:30:10,329 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-11 00:30:10,329 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-11 00:30:10,329 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-11 00:30:10,330 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-11 00:30:10,330 INFO L262 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-10-11 00:30:10,330 INFO L262 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-10-11 00:30:10,330 INFO L265 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-10-11 00:30:10,331 INFO L262 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-10-11 00:30:10,331 INFO L262 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-10-11 00:30:10,331 INFO L262 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-10-11 00:30:10,331 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:30:10,331 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,332 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,332 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,332 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,332 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,332 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-11 00:30:10,332 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-11 00:30:10,333 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-11 00:30:10,333 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-11 00:30:10,333 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-11 00:30:10,333 INFO L262 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-10-11 00:30:10,333 INFO L262 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-10-11 00:30:10,333 INFO L262 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-10-11 00:30:10,334 INFO L262 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-10-11 00:30:10,334 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,334 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,334 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,334 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,334 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:30:10,335 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,335 INFO L262 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-10-11 00:30:10,335 INFO L262 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-10-11 00:30:10,335 INFO L262 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-10-11 00:30:10,335 INFO L262 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-10-11 00:30:10,335 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-11 00:30:10,336 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-11 00:30:10,336 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-11 00:30:10,336 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-11 00:30:10,336 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-11 00:30:10,336 INFO L262 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-10-11 00:30:10,336 INFO L262 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-10-11 00:30:10,337 INFO L262 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-10-11 00:30:10,337 INFO L258 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (= ~a10~0 0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 4 ~a10~0) .cse1 .cse2) (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 (<= ~a19~0 6)) (and .cse0 (<= 9 ~a19~0) .cse3 .cse1) (and (= ~a19~0 8) (<= 41 ~a1~0) .cse0 .cse3 .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2021-10-11 00:30:10,337 INFO L262 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-10-11 00:30:10,337 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,338 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,338 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,338 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,338 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-10-11 00:30:10,338 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,338 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,339 INFO L262 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-10-11 00:30:10,339 INFO L262 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-10-11 00:30:10,339 INFO L262 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-10-11 00:30:10,339 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-11 00:30:10,339 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-11 00:30:10,339 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-11 00:30:10,340 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-11 00:30:10,340 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-11 00:30:10,340 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-11 00:30:10,340 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:30:10,340 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 161) no Hoare annotation was computed. [2021-10-11 00:30:10,341 INFO L262 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-10-11 00:30:10,341 INFO L262 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-10-11 00:30:10,341 INFO L262 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-10-11 00:30:10,341 INFO L262 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-10-11 00:30:10,341 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,341 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,342 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,342 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,342 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,342 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:30:10,342 INFO L262 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-10-11 00:30:10,342 INFO L262 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-10-11 00:30:10,343 INFO L262 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-10-11 00:30:10,343 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-11 00:30:10,343 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-11 00:30:10,343 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-11 00:30:10,343 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-11 00:30:10,344 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-11 00:30:10,344 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-11 00:30:10,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:30:10 BoogieIcfgContainer [2021-10-11 00:30:10,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:30:10,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:30:10,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:30:10,404 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:30:10,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:52" (3/4) ... [2021-10-11 00:30:10,409 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:30:10,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:30:10,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:30:10,451 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:30:10,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:30:10,683 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43a02be-5e50-42f5-82ce-2fe0fa372292/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:30:10,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:30:10,685 INFO L168 Benchmark]: Toolchain (without parser) took 20835.91 ms. Allocated memory was 113.2 MB in the beginning and 507.5 MB in the end (delta: 394.3 MB). Free memory was 78.6 MB in the beginning and 441.3 MB in the end (delta: -362.7 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:10,686 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory is still 34.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:30:10,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.26 ms. Allocated memory is still 113.2 MB. Free memory was 78.4 MB in the beginning and 72.2 MB in the end (delta: 6.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:10,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.39 ms. Allocated memory is still 113.2 MB. Free memory was 72.2 MB in the beginning and 63.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:10,688 INFO L168 Benchmark]: Boogie Preprocessor took 96.86 ms. Allocated memory is still 113.2 MB. Free memory was 63.9 MB in the beginning and 59.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:10,689 INFO L168 Benchmark]: RCFGBuilder took 1722.21 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 59.1 MB in the beginning and 88.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:10,690 INFO L168 Benchmark]: TraceAbstraction took 17906.71 ms. Allocated memory was 140.5 MB in the beginning and 507.5 MB in the end (delta: 367.0 MB). Free memory was 87.5 MB in the beginning and 456.0 MB in the end (delta: -368.5 MB). Peak memory consumption was 211.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:10,690 INFO L168 Benchmark]: Witness Printer took 280.55 ms. Allocated memory is still 507.5 MB. Free memory was 456.0 MB in the beginning and 441.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:10,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory is still 34.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 702.26 ms. Allocated memory is still 113.2 MB. Free memory was 78.4 MB in the beginning and 72.2 MB in the end (delta: 6.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.39 ms. Allocated memory is still 113.2 MB. Free memory was 72.2 MB in the beginning and 63.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.86 ms. Allocated memory is still 113.2 MB. Free memory was 63.9 MB in the beginning and 59.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1722.21 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 59.1 MB in the beginning and 88.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17906.71 ms. Allocated memory was 140.5 MB in the beginning and 507.5 MB in the end (delta: 367.0 MB). Free memory was 87.5 MB in the beginning and 456.0 MB in the end (delta: -368.5 MB). Peak memory consumption was 211.5 MB. Max. memory is 16.1 GB. * Witness Printer took 280.55 ms. Allocated memory is still 507.5 MB. Free memory was 456.0 MB in the beginning and 441.3 MB in the end (delta: 14.7 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: 161]: 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: 592]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 <= 6)) || (((14 == a4 && 9 <= a19) && a10 == 0) && a12 == 0)) || ((((a19 == 8 && 41 <= a1) && 14 == a4) && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 <= 6)) || (((14 == a4 && 9 <= a19) && a10 == 0) && a12 == 0)) || ((((a19 == 8 && 41 <= a1) && 14 == a4) && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.1s, OverallIterations: 14, TraceHistogramMax: 4, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1600 SDtfs, 1348 SDslu, 77 SDs, 0 SdLazy, 5540 SolverSat, 729 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 343 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 567 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 45 NumberOfFragments, 185 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1105 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 88 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 3472 NumberOfCodeBlocks, 3472 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3457 ConstructedInterpolants, 0 QuantifiedInterpolants, 3219081 SizeOfPredicates, 0 NumberOfNonLiveVariables, 418 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 2609/2757 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...