./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label18.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_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/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_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/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_e49e5851-fbb3-4600-a90f-d0974873cba8/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 dc863406f6436892e411d421aa2656d04e66128b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:26:55,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:26:55,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:26:55,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:26:55,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:26:55,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:26:55,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:26:55,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:26:55,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:26:55,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:26:55,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:26:55,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:26:55,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:26:55,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:26:55,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:26:55,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:26:55,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:26:55,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:26:55,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:26:55,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:26:55,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:26:55,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:26:55,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:26:55,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:26:55,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:26:55,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:26:55,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:26:55,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:26:55,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:26:55,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:26:55,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:26:55,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:26:55,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:26:55,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:26:55,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:26:55,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:26:55,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:26:55,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:26:55,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:26:55,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:26:55,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:26:55,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:26:55,872 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:26:55,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:26:55,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:26:55,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:26:55,874 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:26:55,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:26:55,875 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:26:55,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:26:55,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:26:55,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:26:55,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:26:55,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:26:55,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:26:55,876 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:26:55,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:26:55,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:26:55,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:26:55,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:26:55,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:26:55,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:26:55,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:26:55,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:26:55,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:26:55,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:26:55,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:26:55,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:26:55,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:26:55,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:26:55,880 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_e49e5851-fbb3-4600-a90f-d0974873cba8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc863406f6436892e411d421aa2656d04e66128b [2021-10-11 00:26:56,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:26:56,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:26:56,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:26:56,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:26:56,185 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:26:56,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem10_label18.c [2021-10-11 00:26:56,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/data/dd4aa4207/45b59efe8afd4c3f9fc10cceb88f8749/FLAG1d6fff5f4 [2021-10-11 00:26:56,916 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:26:56,917 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/sv-benchmarks/c/eca-rers2012/Problem10_label18.c [2021-10-11 00:26:56,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/data/dd4aa4207/45b59efe8afd4c3f9fc10cceb88f8749/FLAG1d6fff5f4 [2021-10-11 00:26:57,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/data/dd4aa4207/45b59efe8afd4c3f9fc10cceb88f8749 [2021-10-11 00:26:57,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:26:57,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:26:57,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:57,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:26:57,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:26:57,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:57" (1/1) ... [2021-10-11 00:26:57,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bcd4e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57, skipping insertion in model container [2021-10-11 00:26:57,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:57" (1/1) ... [2021-10-11 00:26:57,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:26:57,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:26:57,462 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_e49e5851-fbb3-4600-a90f-d0974873cba8/sv-benchmarks/c/eca-rers2012/Problem10_label18.c[6668,6681] [2021-10-11 00:26:57,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:57,649 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:26:57,687 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_e49e5851-fbb3-4600-a90f-d0974873cba8/sv-benchmarks/c/eca-rers2012/Problem10_label18.c[6668,6681] [2021-10-11 00:26:57,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:57,809 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:26:57,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57 WrapperNode [2021-10-11 00:26:57,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:57,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:57,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:26:57,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:26:57,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ... [2021-10-11 00:26:57,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ... [2021-10-11 00:26:57,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:57,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:26:57,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:26:57,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:26:57,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ... [2021-10-11 00:26:57,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ... [2021-10-11 00:26:57,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ... [2021-10-11 00:26:57,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ... [2021-10-11 00:26:57,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ... [2021-10-11 00:26:58,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ... [2021-10-11 00:26:58,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ... [2021-10-11 00:26:58,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:26:58,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:26:58,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:26:58,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:26:58,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/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 00:26:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:26:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:26:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:26:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:26:59,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:26:59,655 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:26:59,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:59 BoogieIcfgContainer [2021-10-11 00:26:59,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:26:59,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:26:59,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:26:59,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:26:59,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:26:57" (1/3) ... [2021-10-11 00:26:59,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285b1b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:59, skipping insertion in model container [2021-10-11 00:26:59,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:57" (2/3) ... [2021-10-11 00:26:59,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285b1b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:59, skipping insertion in model container [2021-10-11 00:26:59,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:59" (3/3) ... [2021-10-11 00:26:59,670 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label18.c [2021-10-11 00:26:59,687 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:26:59,691 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:26:59,714 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:26:59,752 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:26:59,752 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:26:59,752 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:26:59,752 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:26:59,752 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:26:59,753 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:26:59,753 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:26:59,753 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:26:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2021-10-11 00:26:59,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:26:59,780 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:59,781 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] [2021-10-11 00:26:59,782 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:59,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:59,787 INFO L82 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2021-10-11 00:26:59,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:59,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115358640] [2021-10-11 00:26:59,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:00,078 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 00:27:00,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115358640] [2021-10-11 00:27:00,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:00,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:00,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24113365] [2021-10-11 00:27:00,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:00,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:00,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:00,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:00,107 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2021-10-11 00:27:01,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:01,160 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2021-10-11 00:27:01,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:01,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-10-11 00:27:01,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:01,186 INFO L225 Difference]: With dead ends: 552 [2021-10-11 00:27:01,187 INFO L226 Difference]: Without dead ends: 282 [2021-10-11 00:27:01,191 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 00:27:01,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-11 00:27:01,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-10-11 00:27:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-10-11 00:27:01,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2021-10-11 00:27:01,245 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 58 [2021-10-11 00:27:01,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:01,246 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2021-10-11 00:27:01,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:01,247 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2021-10-11 00:27:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-11 00:27:01,252 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:01,252 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:27:01,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:27:01,253 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:01,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:01,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1112125382, now seen corresponding path program 1 times [2021-10-11 00:27:01,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:01,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095550822] [2021-10-11 00:27:01,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:01,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095550822] [2021-10-11 00:27:01,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:01,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:01,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808578743] [2021-10-11 00:27:01,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:01,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:01,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:01,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:01,530 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2021-10-11 00:27:02,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:02,274 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2021-10-11 00:27:02,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:02,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2021-10-11 00:27:02,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:02,287 INFO L225 Difference]: With dead ends: 701 [2021-10-11 00:27:02,287 INFO L226 Difference]: Without dead ends: 421 [2021-10-11 00:27:02,293 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 00:27:02,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-11 00:27:02,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-10-11 00:27:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-10-11 00:27:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2021-10-11 00:27:02,351 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 124 [2021-10-11 00:27:02,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:02,356 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2021-10-11 00:27:02,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2021-10-11 00:27:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-11 00:27:02,363 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:02,364 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:27:02,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:27:02,365 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:02,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:02,367 INFO L82 PathProgramCache]: Analyzing trace with hash -625542055, now seen corresponding path program 1 times [2021-10-11 00:27:02,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:02,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874132665] [2021-10-11 00:27:02,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:02,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874132665] [2021-10-11 00:27:02,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:02,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:02,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296615345] [2021-10-11 00:27:02,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:02,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:02,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:02,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:02,590 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2021-10-11 00:27:03,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:03,360 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2021-10-11 00:27:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:03,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2021-10-11 00:27:03,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:03,369 INFO L225 Difference]: With dead ends: 979 [2021-10-11 00:27:03,369 INFO L226 Difference]: Without dead ends: 560 [2021-10-11 00:27:03,371 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 00:27:03,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-10-11 00:27:03,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-10-11 00:27:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2021-10-11 00:27:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2021-10-11 00:27:03,416 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 131 [2021-10-11 00:27:03,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:03,416 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2021-10-11 00:27:03,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:03,417 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2021-10-11 00:27:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-11 00:27:03,425 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:03,425 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:27:03,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:27:03,429 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:03,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:03,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1951151340, now seen corresponding path program 1 times [2021-10-11 00:27:03,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:03,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289852957] [2021-10-11 00:27:03,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:03,768 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:03,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289852957] [2021-10-11 00:27:03,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:03,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:27:03,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062734239] [2021-10-11 00:27:03,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:27:03,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:03,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:27:03,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:03,771 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 7 states. [2021-10-11 00:27:04,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:04,299 INFO L93 Difference]: Finished difference Result 1034 states and 1254 transitions. [2021-10-11 00:27:04,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:27:04,300 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2021-10-11 00:27:04,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:04,304 INFO L225 Difference]: With dead ends: 1034 [2021-10-11 00:27:04,304 INFO L226 Difference]: Without dead ends: 560 [2021-10-11 00:27:04,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:04,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-10-11 00:27:04,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-10-11 00:27:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2021-10-11 00:27:04,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 672 transitions. [2021-10-11 00:27:04,323 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 672 transitions. Word has length 133 [2021-10-11 00:27:04,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:04,324 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 672 transitions. [2021-10-11 00:27:04,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:27:04,324 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 672 transitions. [2021-10-11 00:27:04,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-11 00:27:04,326 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:04,327 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:27:04,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:27:04,327 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:04,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:04,328 INFO L82 PathProgramCache]: Analyzing trace with hash 360403180, now seen corresponding path program 1 times [2021-10-11 00:27:04,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:04,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572909707] [2021-10-11 00:27:04,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:04,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572909707] [2021-10-11 00:27:04,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:04,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:04,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499958536] [2021-10-11 00:27:04,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:04,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:04,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:04,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:04,432 INFO L87 Difference]: Start difference. First operand 560 states and 672 transitions. Second operand 3 states. [2021-10-11 00:27:05,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:05,031 INFO L93 Difference]: Finished difference Result 1257 states and 1566 transitions. [2021-10-11 00:27:05,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:05,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2021-10-11 00:27:05,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:05,036 INFO L225 Difference]: With dead ends: 1257 [2021-10-11 00:27:05,036 INFO L226 Difference]: Without dead ends: 838 [2021-10-11 00:27:05,037 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 00:27:05,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-11 00:27:05,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-10-11 00:27:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2021-10-11 00:27:05,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1004 transitions. [2021-10-11 00:27:05,060 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1004 transitions. Word has length 149 [2021-10-11 00:27:05,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:05,060 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1004 transitions. [2021-10-11 00:27:05,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1004 transitions. [2021-10-11 00:27:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-10-11 00:27:05,063 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:05,063 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:27:05,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:27:05,064 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:05,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:05,064 INFO L82 PathProgramCache]: Analyzing trace with hash -748855238, now seen corresponding path program 1 times [2021-10-11 00:27:05,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:05,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443195614] [2021-10-11 00:27:05,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:05,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443195614] [2021-10-11 00:27:05,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:05,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:05,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243601420] [2021-10-11 00:27:05,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:05,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:05,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:05,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:05,175 INFO L87 Difference]: Start difference. First operand 838 states and 1004 transitions. Second operand 3 states. [2021-10-11 00:27:05,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:05,907 INFO L93 Difference]: Finished difference Result 1674 states and 2052 transitions. [2021-10-11 00:27:05,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:05,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2021-10-11 00:27:05,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:05,913 INFO L225 Difference]: With dead ends: 1674 [2021-10-11 00:27:05,914 INFO L226 Difference]: Without dead ends: 977 [2021-10-11 00:27:05,915 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 00:27:05,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-10-11 00:27:05,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2021-10-11 00:27:05,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2021-10-11 00:27:05,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1118 transitions. [2021-10-11 00:27:05,939 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1118 transitions. Word has length 169 [2021-10-11 00:27:05,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:05,939 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1118 transitions. [2021-10-11 00:27:05,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:05,940 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1118 transitions. [2021-10-11 00:27:05,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-10-11 00:27:05,944 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:05,944 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:27:05,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:27:05,945 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:05,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:05,945 INFO L82 PathProgramCache]: Analyzing trace with hash -967532423, now seen corresponding path program 1 times [2021-10-11 00:27:05,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:05,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198939331] [2021-10-11 00:27:05,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-11 00:27:06,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198939331] [2021-10-11 00:27:06,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:06,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:06,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624638377] [2021-10-11 00:27:06,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:06,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:06,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:06,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:06,132 INFO L87 Difference]: Start difference. First operand 977 states and 1118 transitions. Second operand 3 states. [2021-10-11 00:27:06,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:06,834 INFO L93 Difference]: Finished difference Result 1952 states and 2280 transitions. [2021-10-11 00:27:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:06,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2021-10-11 00:27:06,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:06,843 INFO L225 Difference]: With dead ends: 1952 [2021-10-11 00:27:06,843 INFO L226 Difference]: Without dead ends: 1116 [2021-10-11 00:27:06,845 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 00:27:06,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-10-11 00:27:06,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-10-11 00:27:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2021-10-11 00:27:06,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1272 transitions. [2021-10-11 00:27:06,876 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1272 transitions. Word has length 242 [2021-10-11 00:27:06,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:06,877 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1272 transitions. [2021-10-11 00:27:06,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:06,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1272 transitions. [2021-10-11 00:27:06,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-10-11 00:27:06,882 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:06,883 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:06,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:27:06,883 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:06,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:06,884 INFO L82 PathProgramCache]: Analyzing trace with hash 344812064, now seen corresponding path program 1 times [2021-10-11 00:27:06,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:06,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413819698] [2021-10-11 00:27:06,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-11 00:27:07,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413819698] [2021-10-11 00:27:07,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457749345] [2021-10-11 00:27:07,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/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 00:27:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:07,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:27:07,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:27:07,962 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-10-11 00:27:07,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:27:07,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-11 00:27:07,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311667740] [2021-10-11 00:27:07,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:07,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:07,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:07,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:07,965 INFO L87 Difference]: Start difference. First operand 1116 states and 1272 transitions. Second operand 3 states. [2021-10-11 00:27:08,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:08,718 INFO L93 Difference]: Finished difference Result 1813 states and 2067 transitions. [2021-10-11 00:27:08,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:08,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2021-10-11 00:27:08,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:08,730 INFO L225 Difference]: With dead ends: 1813 [2021-10-11 00:27:08,731 INFO L226 Difference]: Without dead ends: 1811 [2021-10-11 00:27:08,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:08,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2021-10-11 00:27:08,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255. [2021-10-11 00:27:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-10-11 00:27:08,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2021-10-11 00:27:08,768 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 252 [2021-10-11 00:27:08,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:08,768 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2021-10-11 00:27:08,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:08,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2021-10-11 00:27:08,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-10-11 00:27:08,775 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:08,776 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:27:09,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-11 00:27:09,001 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:09,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:09,001 INFO L82 PathProgramCache]: Analyzing trace with hash 107165657, now seen corresponding path program 1 times [2021-10-11 00:27:09,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:09,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845943816] [2021-10-11 00:27:09,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 55 proven. 56 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-11 00:27:09,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845943816] [2021-10-11 00:27:09,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173287580] [2021-10-11 00:27:09,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/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 00:27:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:09,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:27:09,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:27:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-11 00:27:10,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:27:10,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2021-10-11 00:27:10,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124667361] [2021-10-11 00:27:10,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:10,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:10,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:10,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:27:10,100 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2021-10-11 00:27:10,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:10,804 INFO L93 Difference]: Finished difference Result 1952 states and 2255 transitions. [2021-10-11 00:27:10,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:10,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 306 [2021-10-11 00:27:10,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:10,818 INFO L225 Difference]: With dead ends: 1952 [2021-10-11 00:27:10,818 INFO L226 Difference]: Without dead ends: 1950 [2021-10-11 00:27:10,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:27:10,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2021-10-11 00:27:10,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1255. [2021-10-11 00:27:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-10-11 00:27:10,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2021-10-11 00:27:10,859 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 306 [2021-10-11 00:27:10,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:10,860 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2021-10-11 00:27:10,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:10,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2021-10-11 00:27:10,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-10-11 00:27:10,868 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:10,869 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:11,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:27:11,097 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:11,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:11,097 INFO L82 PathProgramCache]: Analyzing trace with hash -2054357862, now seen corresponding path program 1 times [2021-10-11 00:27:11,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:11,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310398315] [2021-10-11 00:27:11,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:11,728 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 367 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:11,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310398315] [2021-10-11 00:27:11,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428774203] [2021-10-11 00:27:11,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:27:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:11,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:27:11,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:27:12,340 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-11 00:27:12,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:27:12,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-11 00:27:12,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391092399] [2021-10-11 00:27:12,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:12,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:12,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:12,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:12,343 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2021-10-11 00:27:13,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:13,062 INFO L93 Difference]: Finished difference Result 3203 states and 3742 transitions. [2021-10-11 00:27:13,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:13,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 358 [2021-10-11 00:27:13,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:13,076 INFO L225 Difference]: With dead ends: 3203 [2021-10-11 00:27:13,077 INFO L226 Difference]: Without dead ends: 2089 [2021-10-11 00:27:13,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:13,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2021-10-11 00:27:13,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2021-10-11 00:27:13,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2021-10-11 00:27:13,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2369 transitions. [2021-10-11 00:27:13,133 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2369 transitions. Word has length 358 [2021-10-11 00:27:13,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:13,133 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2369 transitions. [2021-10-11 00:27:13,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:13,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2369 transitions. [2021-10-11 00:27:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-10-11 00:27:13,144 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:13,145 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:13,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:27:13,365 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:13,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:13,365 INFO L82 PathProgramCache]: Analyzing trace with hash 396556598, now seen corresponding path program 1 times [2021-10-11 00:27:13,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:13,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209421441] [2021-10-11 00:27:13,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-10-11 00:27:13,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209421441] [2021-10-11 00:27:13,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:13,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:13,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038059848] [2021-10-11 00:27:13,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:13,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:13,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:13,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:13,689 INFO L87 Difference]: Start difference. First operand 2089 states and 2369 transitions. Second operand 3 states. [2021-10-11 00:27:14,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:14,474 INFO L93 Difference]: Finished difference Result 4730 states and 5375 transitions. [2021-10-11 00:27:14,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:14,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2021-10-11 00:27:14,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:14,477 INFO L225 Difference]: With dead ends: 4730 [2021-10-11 00:27:14,477 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:27:14,486 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 00:27:14,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:27:14,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:27:14,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:27:14,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:27:14,487 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 371 [2021-10-11 00:27:14,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:14,488 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:27:14,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:27:14,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:27:14,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:27:14,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:27:14,784 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-10-11 00:27:14,947 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-10-11 00:27:14,951 INFO L262 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2021-10-11 00:27:14,952 INFO L262 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-10-11 00:27:14,952 INFO L262 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-10-11 00:27:14,952 INFO L262 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-10-11 00:27:14,952 INFO L262 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-10-11 00:27:14,952 INFO L262 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-10-11 00:27:14,954 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,954 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,954 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,954 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,954 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,954 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,955 INFO L262 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-10-11 00:27:14,955 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-11 00:27:14,955 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-11 00:27:14,955 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-11 00:27:14,955 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-11 00:27:14,955 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-11 00:27:14,957 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-11 00:27:14,957 INFO L262 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-10-11 00:27:14,958 INFO L262 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-10-11 00:27:14,958 INFO L262 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-10-11 00:27:14,958 INFO L262 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-10-11 00:27:14,958 INFO L262 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-10-11 00:27:14,958 INFO L262 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-10-11 00:27:14,959 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,959 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,959 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,959 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,960 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,960 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,960 INFO L262 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-10-11 00:27:14,960 INFO L262 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-10-11 00:27:14,960 INFO L262 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-10-11 00:27:14,960 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-11 00:27:14,960 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-11 00:27:14,961 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-11 00:27:14,961 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-11 00:27:14,961 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-11 00:27:14,961 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-11 00:27:14,961 INFO L262 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-10-11 00:27:14,961 INFO L262 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-10-11 00:27:14,961 INFO L262 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-10-11 00:27:14,961 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,962 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,962 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,962 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,962 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,962 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,962 INFO L262 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-10-11 00:27:14,962 INFO L262 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-10-11 00:27:14,963 INFO L262 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-10-11 00:27:14,963 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-11 00:27:14,963 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-11 00:27:14,963 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-11 00:27:14,963 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-11 00:27:14,963 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-11 00:27:14,963 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-11 00:27:14,963 INFO L262 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-10-11 00:27:14,964 INFO L262 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-10-11 00:27:14,964 INFO L262 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-10-11 00:27:14,964 INFO L262 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-10-11 00:27:14,964 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,964 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,965 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,965 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,965 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,965 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,965 INFO L262 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-10-11 00:27:14,965 INFO L262 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-10-11 00:27:14,965 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-11 00:27:14,965 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-11 00:27:14,966 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-11 00:27:14,966 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-11 00:27:14,966 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-11 00:27:14,966 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-11 00:27:14,966 INFO L262 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-10-11 00:27:14,966 INFO L262 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-10-11 00:27:14,966 INFO L262 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-10-11 00:27:14,966 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,967 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,967 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,968 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,968 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,968 INFO L262 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-10-11 00:27:14,968 INFO L262 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-10-11 00:27:14,968 INFO L262 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-10-11 00:27:14,968 INFO L262 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-10-11 00:27:14,968 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-11 00:27:14,969 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-11 00:27:14,969 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-11 00:27:14,969 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-11 00:27:14,969 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-11 00:27:14,969 INFO L262 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-10-11 00:27:14,969 INFO L262 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-10-11 00:27:14,969 INFO L262 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-10-11 00:27:14,969 INFO L262 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-10-11 00:27:14,970 INFO L262 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-10-11 00:27:14,970 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,970 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,970 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,970 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,970 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,970 INFO L262 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-10-11 00:27:14,970 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:27:14,971 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-11 00:27:14,971 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-11 00:27:14,971 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-11 00:27:14,971 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-11 00:27:14,971 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-11 00:27:14,973 INFO L258 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and (<= (+ ~a1~0 333899) 0) .cse0 .cse1 .cse2) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2021-10-11 00:27:14,973 INFO L262 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-10-11 00:27:14,973 INFO L262 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-10-11 00:27:14,974 INFO L262 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-10-11 00:27:14,974 INFO L262 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-10-11 00:27:14,974 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,974 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,974 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,974 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,974 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,974 INFO L262 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-10-11 00:27:14,975 INFO L262 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-10-11 00:27:14,975 INFO L262 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-10-11 00:27:14,975 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-11 00:27:14,975 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-11 00:27:14,975 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-11 00:27:14,975 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-11 00:27:14,975 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-11 00:27:14,975 INFO L262 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-10-11 00:27:14,976 INFO L262 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-10-11 00:27:14,976 INFO L265 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-10-11 00:27:14,976 INFO L262 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-10-11 00:27:14,976 INFO L262 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-10-11 00:27:14,976 INFO L262 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-10-11 00:27:14,976 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:27:14,976 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,977 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,977 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,977 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,977 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,977 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-11 00:27:14,977 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-11 00:27:14,977 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-11 00:27:14,977 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-11 00:27:14,978 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-11 00:27:14,978 INFO L262 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-10-11 00:27:14,978 INFO L262 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-10-11 00:27:14,978 INFO L262 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-10-11 00:27:14,978 INFO L262 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-10-11 00:27:14,978 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,978 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,978 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,979 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,979 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:27:14,979 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,979 INFO L262 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-10-11 00:27:14,979 INFO L262 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-10-11 00:27:14,979 INFO L262 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-10-11 00:27:14,979 INFO L262 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-10-11 00:27:14,979 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-11 00:27:14,980 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-11 00:27:14,980 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-11 00:27:14,980 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-11 00:27:14,980 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-11 00:27:14,980 INFO L262 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-10-11 00:27:14,980 INFO L262 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-10-11 00:27:14,980 INFO L262 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-10-11 00:27:14,981 INFO L258 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and (<= (+ ~a1~0 333899) 0) .cse0 .cse1 .cse2) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2021-10-11 00:27:14,981 INFO L262 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-10-11 00:27:14,981 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,981 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,981 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,981 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,981 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-10-11 00:27:14,982 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,982 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,982 INFO L262 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-10-11 00:27:14,982 INFO L262 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-10-11 00:27:14,982 INFO L262 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-10-11 00:27:14,982 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-11 00:27:14,982 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-11 00:27:14,982 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-11 00:27:14,983 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-11 00:27:14,983 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-11 00:27:14,983 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-11 00:27:14,983 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:27:14,983 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2021-10-11 00:27:14,983 INFO L262 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-10-11 00:27:14,983 INFO L262 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-10-11 00:27:14,984 INFO L262 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-10-11 00:27:14,984 INFO L262 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-10-11 00:27:14,984 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,984 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,984 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,984 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,984 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,985 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:27:14,985 INFO L262 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-10-11 00:27:14,985 INFO L262 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-10-11 00:27:14,985 INFO L262 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-10-11 00:27:14,985 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-11 00:27:14,985 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-11 00:27:14,985 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-11 00:27:14,985 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-11 00:27:14,986 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-11 00:27:14,986 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-11 00:27:15,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:27:15 BoogieIcfgContainer [2021-10-11 00:27:15,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:27:15,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:27:15,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:27:15,031 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:27:15,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:59" (3/4) ... [2021-10-11 00:27:15,035 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:27:15,066 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:27:15,068 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:27:15,069 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:27:15,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:27:15,235 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49e5851-fbb3-4600-a90f-d0974873cba8/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:27:15,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:27:15,237 INFO L168 Benchmark]: Toolchain (without parser) took 18110.85 ms. Allocated memory was 107.0 MB in the beginning and 394.3 MB in the end (delta: 287.3 MB). Free memory was 73.4 MB in the beginning and 237.9 MB in the end (delta: -164.4 MB). Peak memory consumption was 121.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:15,238 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 75.5 MB. Free memory was 33.7 MB in the beginning and 33.7 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:15,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.42 ms. Allocated memory is still 107.0 MB. Free memory was 73.2 MB in the beginning and 67.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:15,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.04 ms. Allocated memory is still 107.0 MB. Free memory was 67.3 MB in the beginning and 59.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:15,239 INFO L168 Benchmark]: Boogie Preprocessor took 127.98 ms. Allocated memory is still 107.0 MB. Free memory was 59.4 MB in the beginning and 54.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:15,239 INFO L168 Benchmark]: RCFGBuilder took 1601.50 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 54.1 MB in the beginning and 62.0 MB in the end (delta: -7.8 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:15,240 INFO L168 Benchmark]: TraceAbstraction took 15368.59 ms. Allocated memory was 136.3 MB in the beginning and 394.3 MB in the end (delta: 257.9 MB). Free memory was 61.2 MB in the beginning and 252.5 MB in the end (delta: -191.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:15,240 INFO L168 Benchmark]: Witness Printer took 205.28 ms. Allocated memory is still 394.3 MB. Free memory was 252.5 MB in the beginning and 237.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:15,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 75.5 MB. Free memory was 33.7 MB in the beginning and 33.7 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.42 ms. Allocated memory is still 107.0 MB. Free memory was 73.2 MB in the beginning and 67.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.04 ms. Allocated memory is still 107.0 MB. Free memory was 67.3 MB in the beginning and 59.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 127.98 ms. Allocated memory is still 107.0 MB. Free memory was 59.4 MB in the beginning and 54.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1601.50 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 54.1 MB in the beginning and 62.0 MB in the end (delta: -7.8 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15368.59 ms. Allocated memory was 136.3 MB in the beginning and 394.3 MB in the end (delta: 257.9 MB). Free memory was 61.2 MB in the beginning and 252.5 MB in the end (delta: -191.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 16.1 GB. * Witness Printer took 205.28 ms. Allocated memory is still 394.3 MB. Free memory was 252.5 MB in the beginning and 237.9 MB in the end (delta: 14.7 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: 188]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1258 SDtfs, 1051 SDslu, 53 SDs, 0 SdLazy, 4146 SolverSat, 657 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 952 GetRequests, 925 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1251 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 47 NumberOfFragments, 151 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1222 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 516 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 3209 NumberOfCodeBlocks, 3209 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3195 ConstructedInterpolants, 0 QuantifiedInterpolants, 3320610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1297 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 2359/2548 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...