./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label21.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_52e05320-c03e-434c-be6a-b8fced7a8186/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/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_52e05320-c03e-434c-be6a-b8fced7a8186/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/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_52e05320-c03e-434c-be6a-b8fced7a8186/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 e28adbc418ee4960546fd54a6ea808ccba29f67f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:18:49,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:18:49,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:18:49,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:18:49,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:18:49,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:18:49,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:18:49,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:18:49,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:18:49,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:18:49,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:18:49,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:18:49,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:18:49,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:18:49,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:18:49,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:18:49,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:18:49,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:18:49,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:18:49,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:18:49,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:18:49,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:18:49,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:18:49,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:18:49,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:18:49,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:18:49,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:18:49,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:18:49,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:18:49,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:18:49,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:18:49,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:18:49,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:18:49,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:18:50,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:18:50,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:18:50,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:18:50,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:18:50,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:18:50,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:18:50,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:18:50,008 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:18:50,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:18:50,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:18:50,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:18:50,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:18:50,067 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:18:50,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:18:50,068 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:18:50,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:18:50,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:18:50,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:18:50,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:18:50,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:18:50,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:18:50,072 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:18:50,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:18:50,072 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:18:50,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:18:50,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:18:50,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:18:50,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:18:50,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:18:50,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:18:50,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:18:50,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:18:50,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:18:50,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:18:50,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:18:50,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:18:50,076 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_52e05320-c03e-434c-be6a-b8fced7a8186/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e28adbc418ee4960546fd54a6ea808ccba29f67f [2021-10-11 00:18:50,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:18:50,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:18:50,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:18:50,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:18:50,477 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:18:50,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2021-10-11 00:18:50,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/bin/uautomizer-Z5i5R5N3CC/data/534442409/d540e1d3ef8c4dd9945c56f27e282770/FLAG78f171f51 [2021-10-11 00:18:51,474 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:18:51,475 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2021-10-11 00:18:51,496 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/bin/uautomizer-Z5i5R5N3CC/data/534442409/d540e1d3ef8c4dd9945c56f27e282770/FLAG78f171f51 [2021-10-11 00:18:51,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/bin/uautomizer-Z5i5R5N3CC/data/534442409/d540e1d3ef8c4dd9945c56f27e282770 [2021-10-11 00:18:51,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:18:51,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:18:51,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:18:51,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:18:51,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:18:51,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:18:51" (1/1) ... [2021-10-11 00:18:51,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19bcf4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:51, skipping insertion in model container [2021-10-11 00:18:51,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:18:51" (1/1) ... [2021-10-11 00:18:51,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:18:51,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:18:52,213 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_52e05320-c03e-434c-be6a-b8fced7a8186/sv-benchmarks/c/eca-rers2012/Problem02_label21.c[16331,16344] [2021-10-11 00:18:52,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:18:52,301 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:18:52,406 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_52e05320-c03e-434c-be6a-b8fced7a8186/sv-benchmarks/c/eca-rers2012/Problem02_label21.c[16331,16344] [2021-10-11 00:18:52,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:18:52,475 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:18:52,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:52 WrapperNode [2021-10-11 00:18:52,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:18:52,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:18:52,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:18:52,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:18:52,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:52" (1/1) ... [2021-10-11 00:18:52,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:52" (1/1) ... [2021-10-11 00:18:52,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:18:52,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:18:52,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:18:52,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:18:52,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:52" (1/1) ... [2021-10-11 00:18:52,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:52" (1/1) ... [2021-10-11 00:18:52,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:52" (1/1) ... [2021-10-11 00:18:52,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:52" (1/1) ... [2021-10-11 00:18:52,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:52" (1/1) ... [2021-10-11 00:18:52,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:52" (1/1) ... [2021-10-11 00:18:52,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:52" (1/1) ... [2021-10-11 00:18:52,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:18:52,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:18:52,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:18:52,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:18:52,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:52" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/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 00:18:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:18:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:18:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:18:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:18:54,497 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:18:54,498 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:18:54,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:18:54 BoogieIcfgContainer [2021-10-11 00:18:54,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:18:54,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:18:54,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:18:54,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:18:54,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:18:51" (1/3) ... [2021-10-11 00:18:54,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584b0ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:18:54, skipping insertion in model container [2021-10-11 00:18:54,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:52" (2/3) ... [2021-10-11 00:18:54,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584b0ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:18:54, skipping insertion in model container [2021-10-11 00:18:54,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:18:54" (3/3) ... [2021-10-11 00:18:54,517 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label21.c [2021-10-11 00:18:54,533 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:18:54,537 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:18:54,550 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:18:54,583 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:18:54,583 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:18:54,583 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:18:54,584 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:18:54,584 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:18:54,584 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:18:54,584 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:18:54,584 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:18:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2021-10-11 00:18:54,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-11 00:18:54,621 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:18:54,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:18:54,622 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:18:54,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:18:54,630 INFO L82 PathProgramCache]: Analyzing trace with hash 91008837, now seen corresponding path program 1 times [2021-10-11 00:18:54,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:18:54,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610919013] [2021-10-11 00:18:54,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:18:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:18:55,188 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 00:18:55,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610919013] [2021-10-11 00:18:55,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:18:55,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:18:55,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570079261] [2021-10-11 00:18:55,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:18:55,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:18:55,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:18:55,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:18:55,226 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2021-10-11 00:18:56,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:18:56,534 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions. [2021-10-11 00:18:56,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:18:56,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2021-10-11 00:18:56,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:18:56,568 INFO L225 Difference]: With dead ends: 596 [2021-10-11 00:18:56,580 INFO L226 Difference]: Without dead ends: 305 [2021-10-11 00:18:56,588 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 00:18:56,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-11 00:18:56,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2021-10-11 00:18:56,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2021-10-11 00:18:56,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2021-10-11 00:18:56,676 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 96 [2021-10-11 00:18:56,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:18:56,678 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2021-10-11 00:18:56,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:18:56,678 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2021-10-11 00:18:56,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-11 00:18:56,686 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:18:56,686 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:18:56,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:18:56,687 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:18:56,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:18:56,688 INFO L82 PathProgramCache]: Analyzing trace with hash 5722753, now seen corresponding path program 1 times [2021-10-11 00:18:56,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:18:56,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755489131] [2021-10-11 00:18:56,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:18:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:18:56,804 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:18:56,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755489131] [2021-10-11 00:18:56,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:18:56,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:18:56,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033030415] [2021-10-11 00:18:56,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:18:56,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:18:56,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:18:56,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:18:56,810 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2021-10-11 00:18:57,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:18:57,193 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2021-10-11 00:18:57,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:18:57,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2021-10-11 00:18:57,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:18:57,198 INFO L225 Difference]: With dead ends: 599 [2021-10-11 00:18:57,198 INFO L226 Difference]: Without dead ends: 296 [2021-10-11 00:18:57,200 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 00:18:57,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-10-11 00:18:57,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2021-10-11 00:18:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2021-10-11 00:18:57,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2021-10-11 00:18:57,226 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 107 [2021-10-11 00:18:57,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:18:57,227 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2021-10-11 00:18:57,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:18:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2021-10-11 00:18:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-11 00:18:57,234 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:18:57,234 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:18:57,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:18:57,235 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:18:57,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:18:57,236 INFO L82 PathProgramCache]: Analyzing trace with hash -312582842, now seen corresponding path program 1 times [2021-10-11 00:18:57,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:18:57,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824059365] [2021-10-11 00:18:57,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:18:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:18:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:18:57,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824059365] [2021-10-11 00:18:57,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:18:57,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:18:57,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142647164] [2021-10-11 00:18:57,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:18:57,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:18:57,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:18:57,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:18:57,387 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2021-10-11 00:18:58,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:18:58,102 INFO L93 Difference]: Finished difference Result 872 states and 1244 transitions. [2021-10-11 00:18:58,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:18:58,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2021-10-11 00:18:58,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:18:58,109 INFO L225 Difference]: With dead ends: 872 [2021-10-11 00:18:58,110 INFO L226 Difference]: Without dead ends: 578 [2021-10-11 00:18:58,112 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 00:18:58,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2021-10-11 00:18:58,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 438. [2021-10-11 00:18:58,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2021-10-11 00:18:58,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 573 transitions. [2021-10-11 00:18:58,169 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 573 transitions. Word has length 114 [2021-10-11 00:18:58,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:18:58,171 INFO L481 AbstractCegarLoop]: Abstraction has 438 states and 573 transitions. [2021-10-11 00:18:58,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:18:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 573 transitions. [2021-10-11 00:18:58,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-11 00:18:58,188 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:18:58,189 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:18:58,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:18:58,189 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:18:58,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:18:58,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1479809937, now seen corresponding path program 1 times [2021-10-11 00:18:58,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:18:58,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045174007] [2021-10-11 00:18:58,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:18:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:18:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:18:58,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045174007] [2021-10-11 00:18:58,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:18:58,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:18:58,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221235530] [2021-10-11 00:18:58,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:18:58,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:18:58,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:18:58,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:18:58,367 INFO L87 Difference]: Start difference. First operand 438 states and 573 transitions. Second operand 3 states. [2021-10-11 00:18:59,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:18:59,252 INFO L93 Difference]: Finished difference Result 1017 states and 1348 transitions. [2021-10-11 00:18:59,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:18:59,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2021-10-11 00:18:59,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:18:59,268 INFO L225 Difference]: With dead ends: 1017 [2021-10-11 00:18:59,268 INFO L226 Difference]: Without dead ends: 581 [2021-10-11 00:18:59,270 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 00:18:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2021-10-11 00:18:59,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 579. [2021-10-11 00:18:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2021-10-11 00:18:59,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 754 transitions. [2021-10-11 00:18:59,305 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 754 transitions. Word has length 119 [2021-10-11 00:18:59,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:18:59,305 INFO L481 AbstractCegarLoop]: Abstraction has 579 states and 754 transitions. [2021-10-11 00:18:59,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:18:59,306 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 754 transitions. [2021-10-11 00:18:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-11 00:18:59,308 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:18:59,309 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:18:59,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:18:59,309 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:18:59,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:18:59,310 INFO L82 PathProgramCache]: Analyzing trace with hash -943539321, now seen corresponding path program 1 times [2021-10-11 00:18:59,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:18:59,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336254288] [2021-10-11 00:18:59,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:18:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:18:59,744 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:18:59,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336254288] [2021-10-11 00:18:59,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910278173] [2021-10-11 00:18:59,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/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 00:18:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:18:59,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:18:59,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:19:00,140 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-11 00:19:00,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:19:00,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-11 00:19:00,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209920813] [2021-10-11 00:19:00,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:19:00,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:00,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:00,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:19:00,144 INFO L87 Difference]: Start difference. First operand 579 states and 754 transitions. Second operand 3 states. [2021-10-11 00:19:00,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:00,850 INFO L93 Difference]: Finished difference Result 1582 states and 2046 transitions. [2021-10-11 00:19:00,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:19:00,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2021-10-11 00:19:00,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:00,859 INFO L225 Difference]: With dead ends: 1582 [2021-10-11 00:19:00,859 INFO L226 Difference]: Without dead ends: 1005 [2021-10-11 00:19:00,861 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:19:00,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2021-10-11 00:19:00,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 861. [2021-10-11 00:19:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2021-10-11 00:19:00,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1086 transitions. [2021-10-11 00:19:00,888 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1086 transitions. Word has length 123 [2021-10-11 00:19:00,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:00,889 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1086 transitions. [2021-10-11 00:19:00,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:19:00,890 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1086 transitions. [2021-10-11 00:19:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-11 00:19:00,893 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:00,893 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:01,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:19:01,109 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:01,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:01,110 INFO L82 PathProgramCache]: Analyzing trace with hash -571607555, now seen corresponding path program 1 times [2021-10-11 00:19:01,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:01,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79926663] [2021-10-11 00:19:01,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:01,206 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-11 00:19:01,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79926663] [2021-10-11 00:19:01,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:01,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:19:01,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121863555] [2021-10-11 00:19:01,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:19:01,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:01,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:01,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:01,209 INFO L87 Difference]: Start difference. First operand 861 states and 1086 transitions. Second operand 3 states. [2021-10-11 00:19:01,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:01,972 INFO L93 Difference]: Finished difference Result 2281 states and 2841 transitions. [2021-10-11 00:19:01,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:19:01,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2021-10-11 00:19:01,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:01,983 INFO L225 Difference]: With dead ends: 2281 [2021-10-11 00:19:01,983 INFO L226 Difference]: Without dead ends: 1422 [2021-10-11 00:19:01,985 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 00:19:01,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2021-10-11 00:19:02,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1422. [2021-10-11 00:19:02,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1422 states. [2021-10-11 00:19:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1677 transitions. [2021-10-11 00:19:02,026 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1677 transitions. Word has length 127 [2021-10-11 00:19:02,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:02,026 INFO L481 AbstractCegarLoop]: Abstraction has 1422 states and 1677 transitions. [2021-10-11 00:19:02,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:19:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1677 transitions. [2021-10-11 00:19:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-11 00:19:02,031 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:02,032 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:02,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:19:02,032 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:02,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:02,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1412370548, now seen corresponding path program 1 times [2021-10-11 00:19:02,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:02,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564329907] [2021-10-11 00:19:02,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:02,154 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-11 00:19:02,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564329907] [2021-10-11 00:19:02,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:02,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:19:02,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997392975] [2021-10-11 00:19:02,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:19:02,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:02,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:02,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:02,159 INFO L87 Difference]: Start difference. First operand 1422 states and 1677 transitions. Second operand 3 states. [2021-10-11 00:19:02,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:02,929 INFO L93 Difference]: Finished difference Result 3263 states and 3903 transitions. [2021-10-11 00:19:02,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:19:02,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2021-10-11 00:19:02,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:02,940 INFO L225 Difference]: With dead ends: 3263 [2021-10-11 00:19:02,941 INFO L226 Difference]: Without dead ends: 1700 [2021-10-11 00:19:02,943 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 00:19:02,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2021-10-11 00:19:02,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1700. [2021-10-11 00:19:02,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2021-10-11 00:19:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 1872 transitions. [2021-10-11 00:19:02,987 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 1872 transitions. Word has length 149 [2021-10-11 00:19:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:02,988 INFO L481 AbstractCegarLoop]: Abstraction has 1700 states and 1872 transitions. [2021-10-11 00:19:02,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:19:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 1872 transitions. [2021-10-11 00:19:02,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-10-11 00:19:02,994 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:02,994 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:02,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:19:02,994 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:02,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:02,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1211313905, now seen corresponding path program 1 times [2021-10-11 00:19:02,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:02,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106974004] [2021-10-11 00:19:02,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:03,107 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-10-11 00:19:03,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106974004] [2021-10-11 00:19:03,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:03,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:19:03,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732509848] [2021-10-11 00:19:03,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:19:03,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:03,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:03,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:03,110 INFO L87 Difference]: Start difference. First operand 1700 states and 1872 transitions. Second operand 3 states. [2021-10-11 00:19:03,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:03,740 INFO L93 Difference]: Finished difference Result 3118 states and 3424 transitions. [2021-10-11 00:19:03,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:19:03,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2021-10-11 00:19:03,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:03,750 INFO L225 Difference]: With dead ends: 3118 [2021-10-11 00:19:03,750 INFO L226 Difference]: Without dead ends: 1418 [2021-10-11 00:19:03,753 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 00:19:03,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2021-10-11 00:19:03,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1415. [2021-10-11 00:19:03,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1415 states. [2021-10-11 00:19:03,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 1499 transitions. [2021-10-11 00:19:03,820 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 1499 transitions. Word has length 172 [2021-10-11 00:19:03,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:03,820 INFO L481 AbstractCegarLoop]: Abstraction has 1415 states and 1499 transitions. [2021-10-11 00:19:03,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:19:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1499 transitions. [2021-10-11 00:19:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-10-11 00:19:03,826 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:03,826 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:03,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:19:03,827 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:03,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:03,828 INFO L82 PathProgramCache]: Analyzing trace with hash 599974459, now seen corresponding path program 1 times [2021-10-11 00:19:03,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:03,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755866285] [2021-10-11 00:19:03,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:03,949 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-11 00:19:03,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755866285] [2021-10-11 00:19:03,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:03,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:19:03,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318170694] [2021-10-11 00:19:03,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:19:03,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:03,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:03,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:03,953 INFO L87 Difference]: Start difference. First operand 1415 states and 1499 transitions. Second operand 3 states. [2021-10-11 00:19:04,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:04,610 INFO L93 Difference]: Finished difference Result 3107 states and 3296 transitions. [2021-10-11 00:19:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:19:04,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2021-10-11 00:19:04,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:04,623 INFO L225 Difference]: With dead ends: 3107 [2021-10-11 00:19:04,624 INFO L226 Difference]: Without dead ends: 1834 [2021-10-11 00:19:04,627 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 00:19:04,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2021-10-11 00:19:04,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1414. [2021-10-11 00:19:04,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1414 states. [2021-10-11 00:19:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1497 transitions. [2021-10-11 00:19:04,677 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1497 transitions. Word has length 194 [2021-10-11 00:19:04,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:04,678 INFO L481 AbstractCegarLoop]: Abstraction has 1414 states and 1497 transitions. [2021-10-11 00:19:04,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:19:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1497 transitions. [2021-10-11 00:19:04,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-10-11 00:19:04,684 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:04,685 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:04,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:19:04,685 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:04,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:04,686 INFO L82 PathProgramCache]: Analyzing trace with hash -185043600, now seen corresponding path program 1 times [2021-10-11 00:19:04,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:04,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121547489] [2021-10-11 00:19:04,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:05,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121547489] [2021-10-11 00:19:05,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627781894] [2021-10-11 00:19:05,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:19:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:05,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:19:05,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:19:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-11 00:19:05,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:19:05,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-11 00:19:05,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768243098] [2021-10-11 00:19:05,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:19:05,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:05,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:05,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:19:05,591 INFO L87 Difference]: Start difference. First operand 1414 states and 1497 transitions. Second operand 3 states. [2021-10-11 00:19:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:06,205 INFO L93 Difference]: Finished difference Result 2684 states and 2847 transitions. [2021-10-11 00:19:06,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:19:06,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2021-10-11 00:19:06,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:06,207 INFO L225 Difference]: With dead ends: 2684 [2021-10-11 00:19:06,207 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:19:06,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:19:06,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:19:06,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:19:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:19:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:19:06,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2021-10-11 00:19:06,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:06,212 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:19:06,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:19:06,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:19:06,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:19:06,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:19:06,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:19:06,760 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2021-10-11 00:19:06,928 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2021-10-11 00:19:06,930 INFO L262 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,930 INFO L262 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,930 INFO L262 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,930 INFO L262 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-11 00:19:06,930 INFO L262 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-11 00:19:06,931 INFO L262 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-11 00:19:06,931 INFO L262 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-11 00:19:06,931 INFO L262 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-11 00:19:06,931 INFO L262 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-11 00:19:06,931 INFO L262 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-11 00:19:06,931 INFO L262 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-11 00:19:06,931 INFO L262 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,931 INFO L262 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,931 INFO L262 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,931 INFO L262 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-11 00:19:06,931 INFO L262 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-11 00:19:06,931 INFO L262 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-11 00:19:06,932 INFO L262 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-11 00:19:06,933 INFO L262 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,934 INFO L262 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,934 INFO L262 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,934 INFO L262 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-11 00:19:06,934 INFO L262 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-11 00:19:06,934 INFO L262 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-11 00:19:06,934 INFO L262 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-11 00:19:06,934 INFO L262 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-11 00:19:06,934 INFO L262 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-11 00:19:06,934 INFO L262 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-11 00:19:06,934 INFO L262 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,934 INFO L262 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,934 INFO L262 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,936 INFO L262 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-11 00:19:06,936 INFO L262 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-11 00:19:06,937 INFO L262 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-11 00:19:06,937 INFO L262 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-11 00:19:06,937 INFO L262 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-11 00:19:06,937 INFO L262 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,937 INFO L262 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,937 INFO L262 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,937 INFO L262 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-11 00:19:06,937 INFO L262 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-11 00:19:06,937 INFO L262 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-11 00:19:06,937 INFO L262 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-11 00:19:06,937 INFO L262 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-11 00:19:06,937 INFO L262 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-11 00:19:06,938 INFO L262 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-11 00:19:06,938 INFO L262 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-11 00:19:06,938 INFO L262 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,938 INFO L262 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,938 INFO L262 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,938 INFO L262 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-11 00:19:06,938 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:19:06,938 INFO L262 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-11 00:19:06,938 INFO L262 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-11 00:19:06,938 INFO L262 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-11 00:19:06,938 INFO L262 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-11 00:19:06,938 INFO L262 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-11 00:19:06,939 INFO L262 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-11 00:19:06,939 INFO L262 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-11 00:19:06,939 INFO L262 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,939 INFO L262 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,939 INFO L262 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,939 INFO L262 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-11 00:19:06,939 INFO L262 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-11 00:19:06,939 INFO L262 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-11 00:19:06,939 INFO L262 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-11 00:19:06,939 INFO L262 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-11 00:19:06,939 INFO L262 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-11 00:19:06,939 INFO L262 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-11 00:19:06,940 INFO L262 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-11 00:19:06,940 INFO L262 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-11 00:19:06,940 INFO L262 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,940 INFO L262 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,940 INFO L262 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,940 INFO L262 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-11 00:19:06,940 INFO L262 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-11 00:19:06,940 INFO L262 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-11 00:19:06,940 INFO L262 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-11 00:19:06,940 INFO L262 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-11 00:19:06,940 INFO L262 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-11 00:19:06,940 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:19:06,941 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2021-10-11 00:19:06,941 INFO L262 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,941 INFO L262 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,941 INFO L262 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,941 INFO L262 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-11 00:19:06,941 INFO L262 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-11 00:19:06,941 INFO L262 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-11 00:19:06,941 INFO L262 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-11 00:19:06,941 INFO L262 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-11 00:19:06,941 INFO L262 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-11 00:19:06,941 INFO L262 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-11 00:19:06,941 INFO L262 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-11 00:19:06,942 INFO L262 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,942 INFO L262 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,942 INFO L262 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,942 INFO L262 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-11 00:19:06,942 INFO L262 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-11 00:19:06,942 INFO L262 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-11 00:19:06,942 INFO L262 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-11 00:19:06,942 INFO L262 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-11 00:19:06,942 INFO L262 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,942 INFO L262 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,942 INFO L262 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,942 INFO L262 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-11 00:19:06,943 INFO L262 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-11 00:19:06,943 INFO L262 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-11 00:19:06,943 INFO L262 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-11 00:19:06,943 INFO L262 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-11 00:19:06,943 INFO L262 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-11 00:19:06,943 INFO L262 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-11 00:19:06,943 INFO L262 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-11 00:19:06,943 INFO L262 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-11 00:19:06,943 INFO L262 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-11 00:19:06,943 INFO L262 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-11 00:19:06,943 INFO L262 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,943 INFO L262 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,944 INFO L262 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-11 00:19:06,944 INFO L262 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-11 00:19:06,944 INFO L262 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-11 00:19:06,944 INFO L262 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-11 00:19:06,944 INFO L262 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-11 00:19:06,944 INFO L262 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-11 00:19:06,944 INFO L262 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-11 00:19:06,944 INFO L262 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-11 00:19:06,944 INFO L262 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-11 00:19:06,945 INFO L258 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 7)) (.cse5 (= ~a25~0 1)) (.cse0 (<= ~a19~0 0)) (.cse9 (not (= ~a11~0 1))) (.cse3 (<= ~a25~0 0)) (.cse4 (= ~a19~0 1)) (.cse7 (<= 10 ~a28~0)) (.cse8 (<= 8 ~a17~0)) (.cse2 (<= ~a17~0 8)) (.cse6 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse2 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse6) (and .cse4 .cse8 .cse5 .cse9 .cse2) (and .cse4 .cse2 .cse3 .cse6) (and .cse4 .cse8 .cse5 .cse2 .cse6) (and .cse0 .cse9 .cse2 .cse3 .cse6) (and .cse4 .cse7 .cse8 .cse2 .cse6))) [2021-10-11 00:19:06,945 INFO L262 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,945 INFO L262 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,945 INFO L262 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-11 00:19:06,945 INFO L262 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-11 00:19:06,945 INFO L262 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-11 00:19:06,945 INFO L262 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-11 00:19:06,945 INFO L262 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-11 00:19:06,945 INFO L262 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-11 00:19:06,946 INFO L265 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-11 00:19:06,946 INFO L262 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,946 INFO L262 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,946 INFO L262 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-11 00:19:06,946 INFO L262 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-11 00:19:06,946 INFO L262 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-11 00:19:06,946 INFO L262 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-11 00:19:06,946 INFO L262 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-11 00:19:06,946 INFO L262 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-11 00:19:06,946 INFO L262 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-11 00:19:06,946 INFO L262 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-11 00:19:06,946 INFO L262 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-11 00:19:06,947 INFO L262 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,947 INFO L262 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,947 INFO L262 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-11 00:19:06,947 INFO L262 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-11 00:19:06,947 INFO L262 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-11 00:19:06,947 INFO L262 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-11 00:19:06,947 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:19:06,947 INFO L262 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-11 00:19:06,947 INFO L262 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-11 00:19:06,948 INFO L258 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 7)) (.cse5 (= ~a25~0 1)) (.cse0 (<= ~a19~0 0)) (.cse9 (not (= ~a11~0 1))) (.cse3 (<= ~a25~0 0)) (.cse4 (= ~a19~0 1)) (.cse7 (<= 10 ~a28~0)) (.cse8 (<= 8 ~a17~0)) (.cse2 (<= ~a17~0 8)) (.cse6 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse2 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse6) (and .cse4 .cse8 .cse5 .cse9 .cse2) (and .cse4 .cse2 .cse3 .cse6) (and .cse4 .cse8 .cse5 .cse2 .cse6) (and .cse0 .cse9 .cse2 .cse3 .cse6) (and .cse4 .cse7 .cse8 .cse2 .cse6))) [2021-10-11 00:19:06,948 INFO L262 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,948 INFO L262 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,948 INFO L262 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-11 00:19:06,948 INFO L262 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-11 00:19:06,948 INFO L262 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-11 00:19:06,948 INFO L262 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-11 00:19:06,948 INFO L262 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-11 00:19:06,948 INFO L262 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,948 INFO L262 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,948 INFO L262 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-11 00:19:06,948 INFO L262 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-11 00:19:06,949 INFO L262 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-11 00:19:06,949 INFO L262 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-11 00:19:06,949 INFO L262 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-11 00:19:06,949 INFO L262 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-11 00:19:06,949 INFO L262 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-11 00:19:06,949 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-11 00:19:06,949 INFO L262 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-11 00:19:06,949 INFO L262 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,949 INFO L262 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,949 INFO L262 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-11 00:19:06,950 INFO L262 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,950 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:19:06,950 INFO L262 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-11 00:19:06,950 INFO L262 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-11 00:19:06,950 INFO L262 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-11 00:19:06,950 INFO L262 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-11 00:19:06,950 INFO L262 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-11 00:19:06,950 INFO L262 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-11 00:19:06,950 INFO L262 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,950 INFO L262 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,951 INFO L262 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,951 INFO L262 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-11 00:19:06,951 INFO L262 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-11 00:19:06,951 INFO L262 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-11 00:19:06,951 INFO L262 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-11 00:19:06,951 INFO L262 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-11 00:19:06,951 INFO L262 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,951 INFO L262 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,951 INFO L262 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:19:06,952 INFO L262 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-11 00:19:06,952 INFO L262 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-11 00:19:06,965 INFO L262 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-11 00:19:06,966 INFO L262 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-11 00:19:06,966 INFO L262 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-11 00:19:06,966 INFO L262 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-11 00:19:06,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:19:06 BoogieIcfgContainer [2021-10-11 00:19:06,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:19:06,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:19:06,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:19:06,996 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:19:06,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:18:54" (3/4) ... [2021-10-11 00:19:07,001 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:19:07,028 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:19:07,030 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:19:07,032 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:19:07,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:19:07,232 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e05320-c03e-434c-be6a-b8fced7a8186/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:19:07,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:19:07,234 INFO L168 Benchmark]: Toolchain (without parser) took 15596.14 ms. Allocated memory was 92.3 MB in the beginning and 247.5 MB in the end (delta: 155.2 MB). Free memory was 61.2 MB in the beginning and 200.3 MB in the end (delta: -139.2 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:07,235 INFO L168 Benchmark]: CDTParser took 1.05 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 51.2 MB in the end (delta: 45.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:19:07,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 837.39 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 60.9 MB in the beginning and 72.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:07,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.69 ms. Allocated memory is still 111.1 MB. Free memory was 72.8 MB in the beginning and 67.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:07,236 INFO L168 Benchmark]: Boogie Preprocessor took 102.44 ms. Allocated memory is still 111.1 MB. Free memory was 67.1 MB in the beginning and 62.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:07,237 INFO L168 Benchmark]: RCFGBuilder took 1806.33 ms. Allocated memory is still 111.1 MB. Free memory was 62.9 MB in the beginning and 79.1 MB in the end (delta: -16.1 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:07,237 INFO L168 Benchmark]: TraceAbstraction took 12487.32 ms. Allocated memory was 111.1 MB in the beginning and 247.5 MB in the end (delta: 136.3 MB). Free memory was 79.1 MB in the beginning and 214.0 MB in the end (delta: -134.9 MB). Peak memory consumption was 142.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:07,238 INFO L168 Benchmark]: Witness Printer took 236.46 ms. Allocated memory is still 247.5 MB. Free memory was 214.0 MB in the beginning and 200.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:07,240 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 51.2 MB in the end (delta: 45.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 837.39 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 60.9 MB in the beginning and 72.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.69 ms. Allocated memory is still 111.1 MB. Free memory was 72.8 MB in the beginning and 67.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.44 ms. Allocated memory is still 111.1 MB. Free memory was 67.1 MB in the beginning and 62.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1806.33 ms. Allocated memory is still 111.1 MB. Free memory was 62.9 MB in the beginning and 79.1 MB in the end (delta: -16.1 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12487.32 ms. Allocated memory was 111.1 MB in the beginning and 247.5 MB in the end (delta: 136.3 MB). Free memory was 79.1 MB in the beginning and 214.0 MB in the end (delta: -134.9 MB). Peak memory consumption was 142.9 MB. Max. memory is 16.1 GB. * Witness Printer took 236.46 ms. Allocated memory is still 247.5 MB. Free memory was 214.0 MB in the beginning and 200.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 470]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((a19 <= 0 && a28 <= 7) && a17 <= 8) && a25 <= 0) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || (((a19 <= 0 && a25 == 1) && a17 <= 8) && a28 <= 10)) || ((((a19 <= 0 && 10 <= a28) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && !(a11 == 1)) && a17 <= 8)) || (((a19 == 1 && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8) && a28 <= 10)) || ((((a19 <= 0 && !(a11 == 1)) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((((a19 == 1 && 10 <= a28) && 8 <= a17) && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((a19 <= 0 && a28 <= 7) && a17 <= 8) && a25 <= 0) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || (((a19 <= 0 && a25 == 1) && a17 <= 8) && a28 <= 10)) || ((((a19 <= 0 && 10 <= a28) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && !(a11 == 1)) && a17 <= 8)) || (((a19 == 1 && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8) && a28 <= 10)) || ((((a19 <= 0 && !(a11 == 1)) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((((a19 == 1 && 10 <= a28) && 8 <= a17) && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.8s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 905 SDtfs, 1312 SDslu, 104 SDs, 0 SdLazy, 3221 SolverSat, 570 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 343 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1700occurred in iteration=7, 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, 10 MinimizatonAttempts, 709 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 31 NumberOfFragments, 271 HoareAnnotationTreeSize, 3 FomulaSimplifications, 508 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 50 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1712 NumberOfCodeBlocks, 1712 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1700 ConstructedInterpolants, 0 QuantifiedInterpolants, 978069 SizeOfPredicates, 0 NumberOfNonLiveVariables, 600 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 745/819 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...