./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt --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 1c27d0a67fbac00c843cd2ff1f177d6005ac649a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:01:45,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:01:45,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:01:45,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:01:45,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:01:45,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:01:45,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:01:45,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:01:45,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:01:45,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:01:45,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:01:45,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:01:45,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:01:45,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:01:45,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:01:45,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:01:45,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:01:45,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:01:45,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:01:45,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:01:45,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:01:45,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:01:45,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:01:45,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:01:45,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:01:45,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:01:45,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:01:45,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:01:45,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:01:45,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:01:45,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:01:45,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:01:45,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:01:45,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:01:45,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:01:45,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:01:45,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:01:45,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:01:45,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:01:45,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:01:45,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:01:45,790 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:01:45,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:01:45,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:01:45,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:01:45,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:01:45,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:01:45,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:01:45,817 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:01:45,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:01:45,818 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:01:45,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:01:45,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:01:45,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:01:45,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:01:45,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:01:45,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:01:45,820 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:01:45,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:01:45,820 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:01:45,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:01:45,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:01:45,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:01:45,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:01:45,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:01:45,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:01:45,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:01:45,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:01:45,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:01:45,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:01:45,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:01:45,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:01:45,824 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_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c27d0a67fbac00c843cd2ff1f177d6005ac649a [2021-10-13 01:01:46,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:01:46,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:01:46,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:01:46,075 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:01:46,076 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:01:46,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/eca-rers2012/Problem16_label13.c [2021-10-13 01:01:46,155 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/data/e6f3ca68b/d8c2d0a1ce5f44d6863c6871fcc6b353/FLAGb83a786f0 [2021-10-13 01:01:46,750 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:01:46,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/sv-benchmarks/c/eca-rers2012/Problem16_label13.c [2021-10-13 01:01:46,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/data/e6f3ca68b/d8c2d0a1ce5f44d6863c6871fcc6b353/FLAGb83a786f0 [2021-10-13 01:01:46,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/data/e6f3ca68b/d8c2d0a1ce5f44d6863c6871fcc6b353 [2021-10-13 01:01:46,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:01:46,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:01:46,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:01:46,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:01:46,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:01:46,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:46" (1/1) ... [2021-10-13 01:01:46,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cc35ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:46, skipping insertion in model container [2021-10-13 01:01:46,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:46" (1/1) ... [2021-10-13 01:01:46,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:01:47,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:01:47,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/sv-benchmarks/c/eca-rers2012/Problem16_label13.c[5905,5918] [2021-10-13 01:01:47,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:01:47,797 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:01:47,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/sv-benchmarks/c/eca-rers2012/Problem16_label13.c[5905,5918] [2021-10-13 01:01:48,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:01:48,099 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:01:48,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:48 WrapperNode [2021-10-13 01:01:48,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:01:48,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:01:48,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:01:48,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:01:48,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:48" (1/1) ... [2021-10-13 01:01:48,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:48" (1/1) ... [2021-10-13 01:01:48,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:01:48,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:01:48,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:01:48,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:01:48,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:48" (1/1) ... [2021-10-13 01:01:48,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:48" (1/1) ... [2021-10-13 01:01:48,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:48" (1/1) ... [2021-10-13 01:01:48,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:48" (1/1) ... [2021-10-13 01:01:48,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:48" (1/1) ... [2021-10-13 01:01:48,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:48" (1/1) ... [2021-10-13 01:01:48,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:48" (1/1) ... [2021-10-13 01:01:48,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:01:48,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:01:48,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:01:48,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:01:48,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:48" (1/1) ... [2021-10-13 01:01:48,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:01:48,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:48,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:48,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:01:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:01:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:01:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:01:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:01:50,729 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:01:50,729 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-13 01:01:50,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:50 BoogieIcfgContainer [2021-10-13 01:01:50,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:01:50,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:01:50,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:01:50,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:01:50,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:01:46" (1/3) ... [2021-10-13 01:01:50,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2667b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:01:50, skipping insertion in model container [2021-10-13 01:01:50,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:48" (2/3) ... [2021-10-13 01:01:50,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2667b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:01:50, skipping insertion in model container [2021-10-13 01:01:50,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:50" (3/3) ... [2021-10-13 01:01:50,740 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label13.c [2021-10-13 01:01:50,746 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:01:50,746 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 01:01:50,798 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:01:50,804 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 01:01:50,804 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 01:01:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:50,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 01:01:50,856 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:01:50,857 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:50,857 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:01:50,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:50,863 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2021-10-13 01:01:50,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:50,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187803407] [2021-10-13 01:01:50,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:50,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:01:51,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:01:51,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187803407] [2021-10-13 01:01:51,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187803407] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:01:51,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:01:51,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:01:51,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058296046] [2021-10-13 01:01:51,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:01:51,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:01:51,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:01:51,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:01:51,192 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:53,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:01:53,096 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2021-10-13 01:01:53,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:01:53,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-13 01:01:53,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:01:53,119 INFO L225 Difference]: With dead ends: 1122 [2021-10-13 01:01:53,120 INFO L226 Difference]: Without dead ends: 662 [2021-10-13 01:01:53,124 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:01:53,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-10-13 01:01:53,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-10-13 01:01:53,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.518910741301059) internal successors, (1004), 661 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:53,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions. [2021-10-13 01:01:53,224 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 56 [2021-10-13 01:01:53,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:01:53,226 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions. [2021-10-13 01:01:53,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:53,226 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions. [2021-10-13 01:01:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-13 01:01:53,239 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:01:53,239 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:53,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:01:53,240 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:01:53,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:53,242 INFO L82 PathProgramCache]: Analyzing trace with hash -2086237172, now seen corresponding path program 1 times [2021-10-13 01:01:53,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:53,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051568717] [2021-10-13 01:01:53,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:53,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:01:53,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:01:53,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051568717] [2021-10-13 01:01:53,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051568717] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:01:53,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:01:53,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:01:53,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238753767] [2021-10-13 01:01:53,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:01:53,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:01:53,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:01:53,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:01:53,468 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:55,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:01:55,405 INFO L93 Difference]: Finished difference Result 1980 states and 3007 transitions. [2021-10-13 01:01:55,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:01:55,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2021-10-13 01:01:55,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:01:55,414 INFO L225 Difference]: With dead ends: 1980 [2021-10-13 01:01:55,414 INFO L226 Difference]: Without dead ends: 1320 [2021-10-13 01:01:55,417 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:01:55,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-10-13 01:01:55,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-10-13 01:01:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.4556482183472328) internal successors, (1920), 1319 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:55,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1920 transitions. [2021-10-13 01:01:55,475 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1920 transitions. Word has length 124 [2021-10-13 01:01:55,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:01:55,475 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1920 transitions. [2021-10-13 01:01:55,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1920 transitions. [2021-10-13 01:01:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-13 01:01:55,479 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:01:55,479 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:55,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 01:01:55,479 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:01:55,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:55,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1143350005, now seen corresponding path program 1 times [2021-10-13 01:01:55,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:55,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057128583] [2021-10-13 01:01:55,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:55,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:01:55,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:01:55,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057128583] [2021-10-13 01:01:55,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057128583] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:01:55,637 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:01:55,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:01:55,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500460328] [2021-10-13 01:01:55,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:01:55,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:01:55,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:01:55,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:01:55,643 INFO L87 Difference]: Start difference. First operand 1320 states and 1920 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:57,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:01:57,174 INFO L93 Difference]: Finished difference Result 3954 states and 5755 transitions. [2021-10-13 01:01:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:01:57,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2021-10-13 01:01:57,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:01:57,190 INFO L225 Difference]: With dead ends: 3954 [2021-10-13 01:01:57,191 INFO L226 Difference]: Without dead ends: 2636 [2021-10-13 01:01:57,193 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:01:57,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2021-10-13 01:01:57,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2021-10-13 01:01:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.3240986717267553) internal successors, (3489), 2635 states have internal predecessors, (3489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:57,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3489 transitions. [2021-10-13 01:01:57,260 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3489 transitions. Word has length 135 [2021-10-13 01:01:57,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:01:57,260 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3489 transitions. [2021-10-13 01:01:57,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:57,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3489 transitions. [2021-10-13 01:01:57,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-13 01:01:57,265 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:01:57,265 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:57,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 01:01:57,266 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:01:57,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:57,267 INFO L82 PathProgramCache]: Analyzing trace with hash 489524018, now seen corresponding path program 1 times [2021-10-13 01:01:57,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:57,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138247158] [2021-10-13 01:01:57,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:57,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:57,475 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-13 01:01:57,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:01:57,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138247158] [2021-10-13 01:01:57,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138247158] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:01:57,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:01:57,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:01:57,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910423674] [2021-10-13 01:01:57,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:01:57,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:01:57,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:01:57,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:01:57,481 INFO L87 Difference]: Start difference. First operand 2636 states and 3489 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:59,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:01:59,092 INFO L93 Difference]: Finished difference Result 6586 states and 8545 transitions. [2021-10-13 01:01:59,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:01:59,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2021-10-13 01:01:59,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:01:59,114 INFO L225 Difference]: With dead ends: 6586 [2021-10-13 01:01:59,114 INFO L226 Difference]: Without dead ends: 3952 [2021-10-13 01:01:59,120 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:01:59,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-10-13 01:01:59,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-10-13 01:01:59,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.216400911161731) internal successors, (4806), 3951 states have internal predecessors, (4806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2021-10-13 01:01:59,249 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 253 [2021-10-13 01:01:59,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:01:59,251 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2021-10-13 01:01:59,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:59,251 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2021-10-13 01:01:59,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-10-13 01:01:59,258 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:01:59,258 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:59,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 01:01:59,259 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:01:59,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:59,261 INFO L82 PathProgramCache]: Analyzing trace with hash 2007041494, now seen corresponding path program 1 times [2021-10-13 01:01:59,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:59,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200223516] [2021-10-13 01:01:59,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:59,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:01:59,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:01:59,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200223516] [2021-10-13 01:01:59,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200223516] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:01:59,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:01:59,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:01:59,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689986220] [2021-10-13 01:01:59,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:01:59,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:01:59,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:01:59,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:01:59,543 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand has 4 states, 4 states have (on average 75.25) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:01,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:01,281 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2021-10-13 01:02:01,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:02:01,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.25) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 301 [2021-10-13 01:02:01,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:01,305 INFO L225 Difference]: With dead ends: 8269 [2021-10-13 01:02:01,305 INFO L226 Difference]: Without dead ends: 4319 [2021-10-13 01:02:01,310 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:01,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2021-10-13 01:02:01,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2021-10-13 01:02:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.2011682242990653) internal successors, (5141), 4280 states have internal predecessors, (5141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2021-10-13 01:02:01,416 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 301 [2021-10-13 01:02:01,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:01,417 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2021-10-13 01:02:01,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.25) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:01,418 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2021-10-13 01:02:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-10-13 01:02:01,426 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:01,427 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:01,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 01:02:01,428 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:01,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:01,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1804160057, now seen corresponding path program 1 times [2021-10-13 01:02:01,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:01,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546738421] [2021-10-13 01:02:01,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:01,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:01,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:01,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546738421] [2021-10-13 01:02:01,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546738421] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:01,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:01,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 01:02:01,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128946764] [2021-10-13 01:02:01,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 01:02:01,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:01,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 01:02:01,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:02:01,686 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand has 7 states, 7 states have (on average 55.42857142857143) internal successors, (388), 6 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:03,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:03,777 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2021-10-13 01:02:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:02:03,778 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 55.42857142857143) internal successors, (388), 6 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 388 [2021-10-13 01:02:03,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:03,798 INFO L225 Difference]: With dead ends: 8090 [2021-10-13 01:02:03,798 INFO L226 Difference]: Without dead ends: 3952 [2021-10-13 01:02:03,808 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.9ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:02:03,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-10-13 01:02:03,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-10-13 01:02:03,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0802328524424196) internal successors, (4268), 3951 states have internal predecessors, (4268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2021-10-13 01:02:03,899 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 388 [2021-10-13 01:02:03,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:03,900 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2021-10-13 01:02:03,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 55.42857142857143) internal successors, (388), 6 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2021-10-13 01:02:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-10-13 01:02:03,908 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:03,908 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:03,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 01:02:03,909 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:03,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:03,910 INFO L82 PathProgramCache]: Analyzing trace with hash -691103377, now seen corresponding path program 1 times [2021-10-13 01:02:03,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:03,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667005007] [2021-10-13 01:02:03,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:03,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:04,160 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-10-13 01:02:04,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:04,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667005007] [2021-10-13 01:02:04,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667005007] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:04,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:04,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:04,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280274421] [2021-10-13 01:02:04,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:04,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:04,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:04,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:04,164 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:05,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:05,287 INFO L93 Difference]: Finished difference Result 9547 states and 10414 transitions. [2021-10-13 01:02:05,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:05,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 395 [2021-10-13 01:02:05,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:05,317 INFO L225 Difference]: With dead ends: 9547 [2021-10-13 01:02:05,317 INFO L226 Difference]: Without dead ends: 5926 [2021-10-13 01:02:05,323 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:05,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2021-10-13 01:02:05,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5926. [2021-10-13 01:02:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5925 states have (on average 1.0828691983122363) internal successors, (6416), 5925 states have internal predecessors, (6416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:05,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 6416 transitions. [2021-10-13 01:02:05,453 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 6416 transitions. Word has length 395 [2021-10-13 01:02:05,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:05,454 INFO L470 AbstractCegarLoop]: Abstraction has 5926 states and 6416 transitions. [2021-10-13 01:02:05,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 6416 transitions. [2021-10-13 01:02:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2021-10-13 01:02:05,467 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:05,468 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 01:02:05,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 01:02:05,468 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:05,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:05,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1623184949, now seen corresponding path program 1 times [2021-10-13 01:02:05,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:05,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523409650] [2021-10-13 01:02:05,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:05,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-10-13 01:02:05,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:05,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523409650] [2021-10-13 01:02:05,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523409650] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:02:05,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965007380] [2021-10-13 01:02:05,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:05,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:02:05,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:02:05,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:02:05,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 01:02:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:06,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:02:06,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:02:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-10-13 01:02:07,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965007380] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:07,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:02:07,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-13 01:02:07,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196844917] [2021-10-13 01:02:07,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:07,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:07,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:07,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:07,424 INFO L87 Difference]: Start difference. First operand 5926 states and 6416 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:08,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:08,787 INFO L93 Difference]: Finished difference Result 7573 states and 8112 transitions. [2021-10-13 01:02:08,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:08,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 512 [2021-10-13 01:02:08,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:08,841 INFO L225 Difference]: With dead ends: 7573 [2021-10-13 01:02:08,841 INFO L226 Difference]: Without dead ends: 7571 [2021-10-13 01:02:08,844 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.1ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:08,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2021-10-13 01:02:08,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 6255. [2021-10-13 01:02:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 6254 states have (on average 1.0805884234090182) internal successors, (6758), 6254 states have internal predecessors, (6758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 6758 transitions. [2021-10-13 01:02:09,006 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 6758 transitions. Word has length 512 [2021-10-13 01:02:09,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:09,007 INFO L470 AbstractCegarLoop]: Abstraction has 6255 states and 6758 transitions. [2021-10-13 01:02:09,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:09,008 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 6758 transitions. [2021-10-13 01:02:09,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 907 [2021-10-13 01:02:09,054 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:09,055 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:09,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:02:09,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:02:09,270 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:09,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:09,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1576845819, now seen corresponding path program 1 times [2021-10-13 01:02:09,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:09,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159099414] [2021-10-13 01:02:09,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:09,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 1078 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2021-10-13 01:02:09,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:09,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159099414] [2021-10-13 01:02:09,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159099414] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:09,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:09,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:09,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374410412] [2021-10-13 01:02:09,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:02:09,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:09,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:02:09,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:02:09,729 INFO L87 Difference]: Start difference. First operand 6255 states and 6758 transitions. Second operand has 4 states, 4 states have (on average 169.75) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:11,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:11,315 INFO L93 Difference]: Finished difference Result 16456 states and 17847 transitions. [2021-10-13 01:02:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:02:11,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 906 [2021-10-13 01:02:11,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:11,335 INFO L225 Difference]: With dead ends: 16456 [2021-10-13 01:02:11,335 INFO L226 Difference]: Without dead ends: 10532 [2021-10-13 01:02:11,343 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:02:11,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2021-10-13 01:02:11,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10532. [2021-10-13 01:02:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.0784350963821099) internal successors, (11357), 10531 states have internal predecessors, (11357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 11357 transitions. [2021-10-13 01:02:11,568 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 11357 transitions. Word has length 906 [2021-10-13 01:02:11,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:11,569 INFO L470 AbstractCegarLoop]: Abstraction has 10532 states and 11357 transitions. [2021-10-13 01:02:11,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:11,569 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 11357 transitions. [2021-10-13 01:02:11,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 945 [2021-10-13 01:02:11,591 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:11,592 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 01:02:11,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 01:02:11,592 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:11,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:11,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1254190856, now seen corresponding path program 1 times [2021-10-13 01:02:11,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:11,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408306046] [2021-10-13 01:02:11,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:11,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1972 backedges. 1214 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2021-10-13 01:02:12,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:12,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408306046] [2021-10-13 01:02:12,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408306046] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:12,001 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:12,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:12,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458956443] [2021-10-13 01:02:12,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:02:12,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:12,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:02:12,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:02:12,005 INFO L87 Difference]: Start difference. First operand 10532 states and 11357 transitions. Second operand has 4 states, 4 states have (on average 148.25) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:12,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:12,998 INFO L93 Difference]: Finished difference Result 20404 states and 22045 transitions. [2021-10-13 01:02:12,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:12,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 148.25) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 944 [2021-10-13 01:02:12,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:13,017 INFO L225 Difference]: With dead ends: 20404 [2021-10-13 01:02:13,017 INFO L226 Difference]: Without dead ends: 10532 [2021-10-13 01:02:13,027 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:02:13,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2021-10-13 01:02:13,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10532. [2021-10-13 01:02:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.0781502231506979) internal successors, (11354), 10531 states have internal predecessors, (11354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 11354 transitions. [2021-10-13 01:02:13,192 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 11354 transitions. Word has length 944 [2021-10-13 01:02:13,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:13,193 INFO L470 AbstractCegarLoop]: Abstraction has 10532 states and 11354 transitions. [2021-10-13 01:02:13,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 148.25) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:13,193 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 11354 transitions. [2021-10-13 01:02:13,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1006 [2021-10-13 01:02:13,216 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:13,217 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:13,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 01:02:13,217 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:13,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:13,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1909614394, now seen corresponding path program 1 times [2021-10-13 01:02:13,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:13,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517042463] [2021-10-13 01:02:13,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:13,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:13,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2069 backedges. 1354 proven. 0 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2021-10-13 01:02:13,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:13,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517042463] [2021-10-13 01:02:13,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517042463] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:13,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:13,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:13,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992361684] [2021-10-13 01:02:13,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:13,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:13,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:13,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:13,733 INFO L87 Difference]: Start difference. First operand 10532 states and 11354 transitions. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:14,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:14,847 INFO L93 Difference]: Finished difference Result 23036 states and 24995 transitions. [2021-10-13 01:02:14,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:14,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1005 [2021-10-13 01:02:14,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:14,873 INFO L225 Difference]: With dead ends: 23036 [2021-10-13 01:02:14,874 INFO L226 Difference]: Without dead ends: 13164 [2021-10-13 01:02:14,884 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:14,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-10-13 01:02:15,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-10-13 01:02:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0643470333510598) internal successors, (14010), 13163 states have internal predecessors, (14010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 14010 transitions. [2021-10-13 01:02:15,101 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 14010 transitions. Word has length 1005 [2021-10-13 01:02:15,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:15,102 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 14010 transitions. [2021-10-13 01:02:15,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:15,103 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 14010 transitions. [2021-10-13 01:02:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1007 [2021-10-13 01:02:15,127 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:15,128 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:15,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 01:02:15,128 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:15,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:15,129 INFO L82 PathProgramCache]: Analyzing trace with hash 710764797, now seen corresponding path program 1 times [2021-10-13 01:02:15,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:15,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465563122] [2021-10-13 01:02:15,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:15,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:15,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 1012 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-10-13 01:02:15,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:15,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465563122] [2021-10-13 01:02:15,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465563122] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:15,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:15,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:15,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888486449] [2021-10-13 01:02:15,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:15,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:15,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:15,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:15,601 INFO L87 Difference]: Start difference. First operand 13164 states and 14010 transitions. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:16,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:16,619 INFO L93 Difference]: Finished difference Result 26655 states and 28407 transitions. [2021-10-13 01:02:16,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:16,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1006 [2021-10-13 01:02:16,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:16,644 INFO L225 Difference]: With dead ends: 26655 [2021-10-13 01:02:16,644 INFO L226 Difference]: Without dead ends: 14151 [2021-10-13 01:02:16,657 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:16,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-10-13 01:02:16,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 13493. [2021-10-13 01:02:16,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0558108508745923) internal successors, (14245), 13492 states have internal predecessors, (14245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14245 transitions. [2021-10-13 01:02:16,912 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14245 transitions. Word has length 1006 [2021-10-13 01:02:16,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:16,913 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 14245 transitions. [2021-10-13 01:02:16,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:16,914 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14245 transitions. [2021-10-13 01:02:16,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2021-10-13 01:02:16,938 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:16,940 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:16,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 01:02:16,940 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:16,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:16,941 INFO L82 PathProgramCache]: Analyzing trace with hash -2055445420, now seen corresponding path program 1 times [2021-10-13 01:02:16,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:16,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781645738] [2021-10-13 01:02:16,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:16,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1945 backedges. 972 proven. 0 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2021-10-13 01:02:17,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:17,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781645738] [2021-10-13 01:02:17,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781645738] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:17,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:17,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:17,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604638409] [2021-10-13 01:02:17,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:17,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:17,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:17,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:17,514 INFO L87 Difference]: Start difference. First operand 13493 states and 14245 transitions. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:18,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:18,421 INFO L93 Difference]: Finished difference Result 31919 states and 33747 transitions. [2021-10-13 01:02:18,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:18,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1020 [2021-10-13 01:02:18,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:18,449 INFO L225 Difference]: With dead ends: 31919 [2021-10-13 01:02:18,449 INFO L226 Difference]: Without dead ends: 17441 [2021-10-13 01:02:18,459 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:18,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-10-13 01:02:18,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 17112. [2021-10-13 01:02:18,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.042195079188826) internal successors, (17833), 17111 states have internal predecessors, (17833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17833 transitions. [2021-10-13 01:02:18,726 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17833 transitions. Word has length 1020 [2021-10-13 01:02:18,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:18,728 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17833 transitions. [2021-10-13 01:02:18,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17833 transitions. [2021-10-13 01:02:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2021-10-13 01:02:18,758 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:18,760 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:18,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 01:02:18,760 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:18,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:18,761 INFO L82 PathProgramCache]: Analyzing trace with hash 597019323, now seen corresponding path program 1 times [2021-10-13 01:02:18,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:18,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479922907] [2021-10-13 01:02:18,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:18,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 1817 trivial. 0 not checked. [2021-10-13 01:02:19,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:19,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479922907] [2021-10-13 01:02:19,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479922907] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:19,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:19,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:19,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246036207] [2021-10-13 01:02:19,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:19,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:19,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:19,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:19,237 INFO L87 Difference]: Start difference. First operand 17112 states and 17833 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:20,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:20,286 INFO L93 Difference]: Finished difference Result 33893 states and 35330 transitions. [2021-10-13 01:02:20,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:20,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1058 [2021-10-13 01:02:20,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:20,311 INFO L225 Difference]: With dead ends: 33893 [2021-10-13 01:02:20,311 INFO L226 Difference]: Without dead ends: 17112 [2021-10-13 01:02:20,319 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:20,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-13 01:02:20,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16454. [2021-10-13 01:02:20,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0314228408193036) internal successors, (16970), 16453 states have internal predecessors, (16970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16970 transitions. [2021-10-13 01:02:20,586 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16970 transitions. Word has length 1058 [2021-10-13 01:02:20,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:20,587 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 16970 transitions. [2021-10-13 01:02:20,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:20,588 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16970 transitions. [2021-10-13 01:02:20,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1132 [2021-10-13 01:02:20,609 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:20,610 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:20,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 01:02:20,610 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:20,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:20,611 INFO L82 PathProgramCache]: Analyzing trace with hash 971405822, now seen corresponding path program 1 times [2021-10-13 01:02:20,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:20,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933927848] [2021-10-13 01:02:20,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:20,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:21,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 1024 proven. 0 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2021-10-13 01:02:21,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:21,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933927848] [2021-10-13 01:02:21,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933927848] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:21,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:21,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:21,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762929889] [2021-10-13 01:02:21,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:21,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:21,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:21,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:21,179 INFO L87 Difference]: Start difference. First operand 16454 states and 16970 transitions. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:22,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:22,048 INFO L93 Difference]: Finished difference Result 32248 states and 33274 transitions. [2021-10-13 01:02:22,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:22,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1131 [2021-10-13 01:02:22,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:22,068 INFO L225 Difference]: With dead ends: 32248 [2021-10-13 01:02:22,068 INFO L226 Difference]: Without dead ends: 16454 [2021-10-13 01:02:22,077 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:22,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-10-13 01:02:22,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 16125. [2021-10-13 01:02:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0277226494666336) internal successors, (16571), 16124 states have internal predecessors, (16571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:22,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16571 transitions. [2021-10-13 01:02:22,379 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16571 transitions. Word has length 1131 [2021-10-13 01:02:22,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:22,380 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16571 transitions. [2021-10-13 01:02:22,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:22,381 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16571 transitions. [2021-10-13 01:02:22,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1290 [2021-10-13 01:02:22,417 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:22,418 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-10-13 01:02:22,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-13 01:02:22,419 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:22,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:22,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1873235178, now seen corresponding path program 1 times [2021-10-13 01:02:22,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:22,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532627287] [2021-10-13 01:02:22,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:22,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:23,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 1220 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-10-13 01:02:23,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:23,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532627287] [2021-10-13 01:02:23,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532627287] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:23,029 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:23,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:23,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279484511] [2021-10-13 01:02:23,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:23,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:23,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:23,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:23,033 INFO L87 Difference]: Start difference. First operand 16125 states and 16571 transitions. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:24,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:24,216 INFO L93 Difference]: Finished difference Result 31919 states and 32809 transitions. [2021-10-13 01:02:24,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:24,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1289 [2021-10-13 01:02:24,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:24,228 INFO L225 Difference]: With dead ends: 31919 [2021-10-13 01:02:24,228 INFO L226 Difference]: Without dead ends: 16125 [2021-10-13 01:02:24,235 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:24,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-10-13 01:02:24,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 16125. [2021-10-13 01:02:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0236293723641776) internal successors, (16505), 16124 states have internal predecessors, (16505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:24,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16505 transitions. [2021-10-13 01:02:24,421 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16505 transitions. Word has length 1289 [2021-10-13 01:02:24,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:24,422 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16505 transitions. [2021-10-13 01:02:24,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:24,422 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16505 transitions. [2021-10-13 01:02:24,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1338 [2021-10-13 01:02:24,444 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:24,445 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:24,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-13 01:02:24,445 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:24,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:24,446 INFO L82 PathProgramCache]: Analyzing trace with hash 123759935, now seen corresponding path program 1 times [2021-10-13 01:02:24,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:24,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705516394] [2021-10-13 01:02:24,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:24,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 1447 proven. 0 refuted. 0 times theorem prover too weak. 2585 trivial. 0 not checked. [2021-10-13 01:02:25,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:25,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705516394] [2021-10-13 01:02:25,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705516394] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:25,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:25,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:25,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74797146] [2021-10-13 01:02:25,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:25,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:25,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:25,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:25,067 INFO L87 Difference]: Start difference. First operand 16125 states and 16505 transitions. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:25,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:25,982 INFO L93 Difference]: Finished difference Result 34551 states and 35440 transitions. [2021-10-13 01:02:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:25,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1337 [2021-10-13 01:02:25,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:25,994 INFO L225 Difference]: With dead ends: 34551 [2021-10-13 01:02:25,994 INFO L226 Difference]: Without dead ends: 16783 [2021-10-13 01:02:26,003 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:26,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-10-13 01:02:26,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16783. [2021-10-13 01:02:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0227028959599571) internal successors, (17163), 16782 states have internal predecessors, (17163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17163 transitions. [2021-10-13 01:02:26,303 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17163 transitions. Word has length 1337 [2021-10-13 01:02:26,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:26,304 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17163 transitions. [2021-10-13 01:02:26,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:26,304 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17163 transitions. [2021-10-13 01:02:26,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1452 [2021-10-13 01:02:26,324 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:26,326 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:26,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-13 01:02:26,327 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:26,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:26,328 INFO L82 PathProgramCache]: Analyzing trace with hash 255529046, now seen corresponding path program 1 times [2021-10-13 01:02:26,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:26,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774260496] [2021-10-13 01:02:26,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:26,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:26,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3950 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 3519 trivial. 0 not checked. [2021-10-13 01:02:26,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:26,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774260496] [2021-10-13 01:02:26,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774260496] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:26,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:26,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 01:02:26,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336030283] [2021-10-13 01:02:26,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 01:02:26,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:26,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:02:26,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:02:26,934 INFO L87 Difference]: Start difference. First operand 16783 states and 17163 transitions. Second operand has 6 states, 6 states have (on average 58.5) internal successors, (351), 6 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:27,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:27,699 INFO L93 Difference]: Finished difference Result 32672 states and 33424 transitions. [2021-10-13 01:02:27,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:02:27,699 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 58.5) internal successors, (351), 6 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1451 [2021-10-13 01:02:27,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:27,709 INFO L225 Difference]: With dead ends: 32672 [2021-10-13 01:02:27,709 INFO L226 Difference]: Without dead ends: 16454 [2021-10-13 01:02:27,713 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.3ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:02:27,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-10-13 01:02:27,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 14480. [2021-10-13 01:02:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0221700393673596) internal successors, (14800), 14479 states have internal predecessors, (14800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:27,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14800 transitions. [2021-10-13 01:02:27,865 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14800 transitions. Word has length 1451 [2021-10-13 01:02:27,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:27,866 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14800 transitions. [2021-10-13 01:02:27,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 58.5) internal successors, (351), 6 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:27,866 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14800 transitions. [2021-10-13 01:02:27,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1829 [2021-10-13 01:02:27,912 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:27,913 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:27,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-13 01:02:27,914 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:27,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:27,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1760245359, now seen corresponding path program 1 times [2021-10-13 01:02:27,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:27,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650717141] [2021-10-13 01:02:27,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:27,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 5655 backedges. 3611 proven. 0 refuted. 0 times theorem prover too weak. 2044 trivial. 0 not checked. [2021-10-13 01:02:28,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:28,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650717141] [2021-10-13 01:02:28,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650717141] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:28,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:28,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:28,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749431028] [2021-10-13 01:02:28,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:28,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:28,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:28,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:28,862 INFO L87 Difference]: Start difference. First operand 14480 states and 14800 transitions. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:29,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:29,763 INFO L93 Difference]: Finished difference Result 28300 states and 28936 transitions. [2021-10-13 01:02:29,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:29,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1828 [2021-10-13 01:02:29,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:29,777 INFO L225 Difference]: With dead ends: 28300 [2021-10-13 01:02:29,777 INFO L226 Difference]: Without dead ends: 14480 [2021-10-13 01:02:29,784 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:29,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-10-13 01:02:30,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13822. [2021-10-13 01:02:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.020259026119673) internal successors, (14101), 13821 states have internal predecessors, (14101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14101 transitions. [2021-10-13 01:02:30,050 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14101 transitions. Word has length 1828 [2021-10-13 01:02:30,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:30,051 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14101 transitions. [2021-10-13 01:02:30,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:30,051 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14101 transitions. [2021-10-13 01:02:30,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1877 [2021-10-13 01:02:30,085 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:30,086 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:30,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-13 01:02:30,086 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:30,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:30,087 INFO L82 PathProgramCache]: Analyzing trace with hash 460303014, now seen corresponding path program 1 times [2021-10-13 01:02:30,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:30,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677237380] [2021-10-13 01:02:30,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:30,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6875 backedges. 4154 proven. 0 refuted. 0 times theorem prover too weak. 2721 trivial. 0 not checked. [2021-10-13 01:02:30,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:30,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677237380] [2021-10-13 01:02:30,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677237380] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:30,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:30,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:30,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441472545] [2021-10-13 01:02:30,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:30,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:30,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:30,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:30,777 INFO L87 Difference]: Start difference. First operand 13822 states and 14101 transitions. Second operand has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:31,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:31,793 INFO L93 Difference]: Finished difference Result 27313 states and 27875 transitions. [2021-10-13 01:02:31,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:31,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1876 [2021-10-13 01:02:31,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:31,805 INFO L225 Difference]: With dead ends: 27313 [2021-10-13 01:02:31,805 INFO L226 Difference]: Without dead ends: 14151 [2021-10-13 01:02:31,809 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:31,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-10-13 01:02:31,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 14151. [2021-10-13 01:02:31,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0199293286219082) internal successors, (14432), 14150 states have internal predecessors, (14432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14432 transitions. [2021-10-13 01:02:31,932 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14432 transitions. Word has length 1876 [2021-10-13 01:02:31,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:31,933 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14432 transitions. [2021-10-13 01:02:31,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:31,934 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14432 transitions. [2021-10-13 01:02:31,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1900 [2021-10-13 01:02:31,958 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:31,959 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:31,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-13 01:02:31,959 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:31,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:31,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1068307765, now seen corresponding path program 1 times [2021-10-13 01:02:31,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:31,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698284699] [2021-10-13 01:02:31,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:31,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6692 backedges. 3474 proven. 0 refuted. 0 times theorem prover too weak. 3218 trivial. 0 not checked. [2021-10-13 01:02:32,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:32,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698284699] [2021-10-13 01:02:32,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698284699] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:32,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:32,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:32,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743180135] [2021-10-13 01:02:32,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:32,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:32,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:32,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:32,651 INFO L87 Difference]: Start difference. First operand 14151 states and 14432 transitions. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:33,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:33,584 INFO L93 Difference]: Finished difference Result 30603 states and 31212 transitions. [2021-10-13 01:02:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:33,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1899 [2021-10-13 01:02:33,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:33,596 INFO L225 Difference]: With dead ends: 30603 [2021-10-13 01:02:33,597 INFO L226 Difference]: Without dead ends: 17112 [2021-10-13 01:02:33,604 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-13 01:02:33,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 14809. [2021-10-13 01:02:33,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.0195164775796866) internal successors, (15097), 14808 states have internal predecessors, (15097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15097 transitions. [2021-10-13 01:02:33,780 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15097 transitions. Word has length 1899 [2021-10-13 01:02:33,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:33,781 INFO L470 AbstractCegarLoop]: Abstraction has 14809 states and 15097 transitions. [2021-10-13 01:02:33,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15097 transitions. [2021-10-13 01:02:33,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1941 [2021-10-13 01:02:33,822 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:33,823 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:33,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-13 01:02:33,824 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:33,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:33,824 INFO L82 PathProgramCache]: Analyzing trace with hash 161859330, now seen corresponding path program 1 times [2021-10-13 01:02:33,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:33,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439950601] [2021-10-13 01:02:33,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:33,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:34,839 INFO L134 CoverageAnalysis]: Checked inductivity of 7413 backedges. 2030 proven. 0 refuted. 0 times theorem prover too weak. 5383 trivial. 0 not checked. [2021-10-13 01:02:34,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:34,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439950601] [2021-10-13 01:02:34,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439950601] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:34,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:34,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:02:34,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237731682] [2021-10-13 01:02:34,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:02:34,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:34,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:02:34,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:02:34,844 INFO L87 Difference]: Start difference. First operand 14809 states and 15097 transitions. Second operand has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:35,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:35,993 INFO L93 Difference]: Finished difference Result 31275 states and 31900 transitions. [2021-10-13 01:02:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:02:35,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1940 [2021-10-13 01:02:35,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:35,997 INFO L225 Difference]: With dead ends: 31275 [2021-10-13 01:02:35,997 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 01:02:36,005 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:02:36,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 01:02:36,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 01:02:36,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:02:36,006 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1940 [2021-10-13 01:02:36,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:36,006 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:02:36,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:36,006 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:02:36,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 01:02:36,008 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:02:36,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-13 01:02:36,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 01:02:36,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:36,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:36,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:36,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:38,757 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,757 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,758 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,758 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,758 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,758 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,758 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,758 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,759 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,759 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,759 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,759 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,759 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,759 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,759 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,760 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-13 01:02:38,760 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-13 01:02:38,760 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-13 01:02:38,760 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,760 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,760 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,761 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,761 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,761 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,761 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,761 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,761 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,761 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,762 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,762 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,762 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,762 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,762 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,762 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,763 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,763 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,763 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-13 01:02:38,763 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-13 01:02:38,763 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-13 01:02:38,763 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,763 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,764 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,764 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,764 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,764 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,764 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,764 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,764 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,765 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,765 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-13 01:02:38,765 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-13 01:02:38,765 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-13 01:02:38,765 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,765 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,766 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,766 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,766 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,766 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,766 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,766 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,766 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,767 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,767 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,767 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,767 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,767 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,767 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,767 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,768 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,768 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,768 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,768 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-13 01:02:38,768 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,768 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-13 01:02:38,768 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-13 01:02:38,769 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse10 (+ 87 ~a18~0))) (let ((.cse5 (<= (+ ~a18~0 156) 0)) (.cse4 (= ~a16~0 8)) (.cse15 (<= 4 ~a15~0)) (.cse7 (= ~a12~0 9)) (.cse0 (= ~a16~0 9)) (.cse6 (<= ~a12~0 8)) (.cse11 (<= ~a18~0 132)) (.cse14 (<= 0 .cse10)) (.cse2 (= ~a12~0 8)) (.cse9 (<= ~a15~0 3)) (.cse1 (= 7 ~a12~0)) (.cse16 (<= ~a12~0 6)) (.cse13 (<= ~a16~0 11)) (.cse17 (<= 6 ~a12~0)) (.cse8 (<= 0 (+ 154 ~a18~0))) (.cse12 (= 5 ~a12~0)) (.cse3 (= ~a15~0 3)) (.cse18 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and (= ~a16~0 10) .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse8) (and .cse7 .cse0) (and .cse4 .cse2 .cse3 (<= 567606 ~a18~0)) (and .cse4 .cse9 (<= .cse10 0)) (and .cse9 .cse2 .cse5) (and .cse9 .cse11 .cse8 .cse1) (and .cse4 (<= ~a12~0 7)) (and .cse0 .cse12 .cse13 .cse3) (and .cse0 .cse9 .cse2) (and .cse14 .cse4 .cse11 .cse6 .cse15) (and .cse16 .cse13 .cse15) (and .cse7 .cse9) (and .cse0 .cse11 .cse6 .cse17) (and .cse14 .cse11 .cse12 .cse13 .cse3) (and .cse14 .cse9 .cse16 .cse17) (and .cse9 .cse2 .cse8 .cse18) (and .cse9 .cse8 .cse13 .cse1) (and .cse16 .cse13 .cse17) (and .cse8 .cse12 .cse3 .cse18)))) [2021-10-13 01:02:38,769 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,769 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,769 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,770 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,770 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,770 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,770 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,770 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,770 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,770 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,770 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-13 01:02:38,771 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-13 01:02:38,771 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,771 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-13 01:02:38,771 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,771 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,771 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,771 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,771 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,771 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,772 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,772 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,772 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,772 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,772 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,772 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,772 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,772 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,772 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,772 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,772 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,772 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-13 01:02:38,773 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,773 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-13 01:02:38,773 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-13 01:02:38,773 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,773 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,773 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,773 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,773 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,773 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,773 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,773 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,774 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,774 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,774 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,774 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-13 01:02:38,774 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-13 01:02:38,774 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,774 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-13 01:02:38,775 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,775 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse10 (+ 87 ~a18~0))) (let ((.cse5 (<= (+ ~a18~0 156) 0)) (.cse4 (= ~a16~0 8)) (.cse13 (<= 4 ~a15~0)) (.cse7 (= ~a12~0 9)) (.cse0 (= ~a16~0 9)) (.cse6 (<= ~a12~0 8)) (.cse2 (= ~a12~0 8)) (.cse9 (<= ~a15~0 3)) (.cse1 (= 7 ~a12~0)) (.cse12 (<= 0 .cse10)) (.cse11 (<= ~a18~0 132)) (.cse14 (<= ~a12~0 6)) (.cse15 (<= ~a16~0 11)) (.cse17 (<= 6 ~a12~0)) (.cse8 (<= 0 (+ 154 ~a18~0))) (.cse16 (= 5 ~a12~0)) (.cse3 (= ~a15~0 3)) (.cse18 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and (= ~a16~0 10) .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse8) (and .cse7 .cse0) (and .cse4 .cse9 (<= .cse10 0)) (and .cse9 .cse2 .cse5) (and .cse9 .cse11 .cse8 .cse1) (and .cse4 (<= ~a12~0 7)) (and .cse0 .cse9 .cse2) (and .cse12 .cse4 .cse11 .cse6 .cse13) (and .cse14 .cse15 .cse13) (and .cse7 .cse9) (and .cse0 .cse16 .cse3) (and .cse0 .cse11 .cse6 .cse17) (and .cse12 .cse9 .cse14 .cse17) (and .cse9 .cse2 .cse8 .cse18) (and .cse9 .cse8 .cse15 .cse1) (and .cse12 .cse11 .cse16 .cse3) (and .cse14 .cse15 .cse17) (and .cse8 .cse16 .cse3 .cse18)))) [2021-10-13 01:02:38,775 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,775 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,775 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,776 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,776 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,776 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,776 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,776 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,776 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 01:02:38,777 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,777 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,777 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,777 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,777 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,777 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,777 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-13 01:02:38,778 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,778 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-13 01:02:38,778 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-13 01:02:38,778 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,778 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-10-13 01:02:38,778 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,779 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,779 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,779 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,779 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,779 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,779 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,779 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,780 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,780 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,780 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,780 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-13 01:02:38,780 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,780 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-13 01:02:38,781 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,781 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-13 01:02:38,781 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,781 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,781 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,781 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,781 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,782 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,782 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,782 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,782 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,782 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,782 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,782 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,783 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,783 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,783 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,783 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,783 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-13 01:02:38,783 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-13 01:02:38,784 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-13 01:02:38,784 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 01:02:38,784 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-13 01:02:38,784 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse10 (+ 87 ~a18~0))) (let ((.cse5 (<= (+ ~a18~0 156) 0)) (.cse4 (= ~a16~0 8)) (.cse15 (<= 4 ~a15~0)) (.cse7 (= ~a12~0 9)) (.cse0 (= ~a16~0 9)) (.cse6 (<= ~a12~0 8)) (.cse11 (<= ~a18~0 132)) (.cse14 (<= 0 .cse10)) (.cse2 (= ~a12~0 8)) (.cse9 (<= ~a15~0 3)) (.cse1 (= 7 ~a12~0)) (.cse16 (<= ~a12~0 6)) (.cse13 (<= ~a16~0 11)) (.cse17 (<= 6 ~a12~0)) (.cse8 (<= 0 (+ 154 ~a18~0))) (.cse12 (= 5 ~a12~0)) (.cse3 (= ~a15~0 3)) (.cse18 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and (= ~a16~0 10) .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse8) (and .cse7 .cse0) (and .cse4 .cse2 .cse3 (<= 567606 ~a18~0)) (and .cse4 .cse9 (<= .cse10 0)) (and .cse9 .cse2 .cse5) (and .cse9 .cse11 .cse8 .cse1) (and .cse4 (<= ~a12~0 7)) (and .cse0 .cse12 .cse13 .cse3) (and .cse0 .cse9 .cse2) (and .cse14 .cse4 .cse11 .cse6 .cse15) (and .cse16 .cse13 .cse15) (and .cse7 .cse9) (and .cse0 .cse11 .cse6 .cse17) (and .cse14 .cse11 .cse12 .cse13 .cse3) (and .cse14 .cse9 .cse16 .cse17) (and .cse9 .cse2 .cse8 .cse18) (and .cse9 .cse8 .cse13 .cse1) (and .cse16 .cse13 .cse17) (and .cse8 .cse12 .cse3 .cse18)))) [2021-10-13 01:02:38,784 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,785 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,785 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,785 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,785 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,785 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,785 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,786 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,786 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,786 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,786 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,786 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,786 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,786 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,787 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-13 01:02:38,787 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,787 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-13 01:02:38,787 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-13 01:02:38,787 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,787 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,787 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,788 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,788 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,788 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,788 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,788 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,788 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,789 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,789 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,789 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,789 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-10-13 01:02:38,789 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,789 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,789 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,790 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,790 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,790 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-13 01:02:38,790 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-13 01:02:38,790 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-13 01:02:38,790 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,790 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,791 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,791 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,791 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,791 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,791 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,791 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,792 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,792 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,792 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,792 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,792 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,792 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-13 01:02:38,793 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,793 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-13 01:02:38,793 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-13 01:02:38,793 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,793 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,793 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,793 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,794 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,794 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,794 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,794 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,794 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,794 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,795 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,795 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,795 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,795 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,795 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-13 01:02:38,795 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-13 01:02:38,795 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-13 01:02:38,796 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,796 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,796 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,796 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,796 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,796 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,797 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,797 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,797 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,797 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,797 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,797 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,797 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,798 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,798 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-13 01:02:38,798 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,798 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-13 01:02:38,798 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-13 01:02:38,798 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,798 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,799 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,799 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,799 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,799 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,799 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,799 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,800 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,800 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,800 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,800 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,800 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,800 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,800 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-13 01:02:38,801 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-13 01:02:38,801 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-13 01:02:38,801 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,801 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,801 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,801 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,801 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,802 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,802 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,802 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,802 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,802 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,802 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,802 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,803 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,803 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,803 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 01:02:38,803 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,803 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-13 01:02:38,803 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-13 01:02:38,804 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,804 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,804 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,804 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,804 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,804 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,804 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,805 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,805 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,805 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,805 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,805 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,805 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-13 01:02:38,805 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-13 01:02:38,806 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,806 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,806 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,806 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,806 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,806 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,806 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,807 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,807 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,807 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,807 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,807 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,807 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,807 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,808 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,808 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,808 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-13 01:02:38,808 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-13 01:02:38,808 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,808 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,809 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,809 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,809 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,809 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,809 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,809 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,809 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,810 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 01:02:38,810 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,810 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,810 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-13 01:02:38,810 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-13 01:02:38,810 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,811 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,811 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,811 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,811 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,811 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,811 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,811 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,812 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,812 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,812 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,812 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,812 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,812 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,812 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,813 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,813 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,813 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-13 01:02:38,813 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-13 01:02:38,813 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,813 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,813 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,814 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,814 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,814 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,814 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-10-13 01:02:38,814 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,814 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,815 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,815 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-13 01:02:38,815 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-10-13 01:02:38,815 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,815 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,815 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-10-13 01:02:38,815 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-13 01:02:38,816 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-13 01:02:38,816 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-13 01:02:38,820 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:02:38,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:02:38 BoogieIcfgContainer [2021-10-13 01:02:38,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:02:38,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:02:38,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:02:38,859 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:02:38,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:50" (3/4) ... [2021-10-13 01:02:38,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:02:38,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-13 01:02:38,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 01:02:38,919 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:02:38,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:02:39,177 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:02:39,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:02:39,179 INFO L168 Benchmark]: Toolchain (without parser) took 52218.06 ms. Allocated memory was 102.8 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 64.4 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 635.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:39,180 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 102.8 MB. Free memory was 74.2 MB in the beginning and 74.1 MB in the end (delta: 31.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:02:39,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1140.15 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 64.1 MB in the beginning and 84.6 MB in the end (delta: -20.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:39,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.87 ms. Allocated memory is still 123.7 MB. Free memory was 84.6 MB in the beginning and 60.9 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:39,182 INFO L168 Benchmark]: Boogie Preprocessor took 200.77 ms. Allocated memory is still 123.7 MB. Free memory was 60.9 MB in the beginning and 74.3 MB in the end (delta: -13.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:39,182 INFO L168 Benchmark]: RCFGBuilder took 2243.13 ms. Allocated memory was 123.7 MB in the beginning and 203.4 MB in the end (delta: 79.7 MB). Free memory was 74.3 MB in the beginning and 96.9 MB in the end (delta: -22.6 MB). Peak memory consumption was 61.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:39,182 INFO L168 Benchmark]: TraceAbstraction took 48124.28 ms. Allocated memory was 203.4 MB in the beginning and 3.9 GB in the end (delta: 3.7 GB). Free memory was 96.9 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2021-10-13 01:02:39,183 INFO L168 Benchmark]: Witness Printer took 318.94 ms. Allocated memory is still 3.9 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:39,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 102.8 MB. Free memory was 74.2 MB in the beginning and 74.1 MB in the end (delta: 31.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1140.15 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 64.1 MB in the beginning and 84.6 MB in the end (delta: -20.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 182.87 ms. Allocated memory is still 123.7 MB. Free memory was 84.6 MB in the beginning and 60.9 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 200.77 ms. Allocated memory is still 123.7 MB. Free memory was 60.9 MB in the beginning and 74.3 MB in the end (delta: -13.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2243.13 ms. Allocated memory was 123.7 MB in the beginning and 203.4 MB in the end (delta: 79.7 MB). Free memory was 74.3 MB in the beginning and 96.9 MB in the end (delta: -22.6 MB). Peak memory consumption was 61.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 48124.28 ms. Allocated memory was 203.4 MB in the beginning and 3.9 GB in the end (delta: 3.7 GB). Free memory was 96.9 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. * Witness Printer took 318.94 ms. Allocated memory is still 3.9 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48024.0ms, OverallIterations: 22, TraceHistogramMax: 12, EmptinessCheckTime: 478.0ms, AutomataDifference: 28333.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2747.9ms, InitialAbstractionConstructionTime: 37.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5683 SDtfs, 4644 SDslu, 254 SDs, 0 SdLazy, 19124 SolverSat, 3063 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21021.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 581 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 167.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=17112occurred in iteration=13, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3712.7ms AutomataMinimizationTime, 22 MinimizatonAttempts, 8263 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 224 NumberOfFragments, 783 HoareAnnotationTreeSize, 4 FomulaSimplifications, 10034 FormulaSimplificationTreeSizeReduction, 568.5ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 3912 FormulaSimplificationTreeSizeReductionInter, 2166.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 793.0ms SsaConstructionTime, 1899.9ms SatisfiabilityAnalysisTime, 9173.4ms InterpolantComputationTime, 21366 NumberOfCodeBlocks, 21366 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 21343 ConstructedInterpolants, 0 QuantifiedInterpolants, 45325 SizeOfPredicates, 0 NumberOfNonLiveVariables, 624 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 23 InterpolantComputations, 22 PerfectInterpolantSequences, 52744/52780 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a16 == 9 && 7 == a12) || ((a16 == 10 && a12 == 8) && a15 == 3)) || ((a16 == 8 && a18 + 156 <= 0) && a12 <= 8)) || ((a12 == 9 && a16 == 8) && 0 <= 154 + a18)) || (a12 == 9 && a16 == 9)) || ((a16 == 8 && a15 <= 3) && 87 + a18 <= 0)) || ((a15 <= 3 && a12 == 8) && a18 + 156 <= 0)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || (a16 == 8 && a12 <= 7)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((((0 <= 87 + a18 && a16 == 8) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 4 <= a15)) || (a12 == 9 && a15 <= 3)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 6 <= a12)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && 11 <= a16)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || (((0 <= 87 + a18 && a18 <= 132) && 5 == a12) && a15 == 3)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (((0 <= 154 + a18 && 5 == a12) && a15 == 3) && 11 <= a16) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a16 == 9 && 7 == a12) || ((a16 == 10 && a12 == 8) && a15 == 3)) || ((a16 == 8 && a18 + 156 <= 0) && a12 <= 8)) || ((a12 == 9 && a16 == 8) && 0 <= 154 + a18)) || (a12 == 9 && a16 == 9)) || (((a16 == 8 && a12 == 8) && a15 == 3) && 567606 <= a18)) || ((a16 == 8 && a15 <= 3) && 87 + a18 <= 0)) || ((a15 <= 3 && a12 == 8) && a18 + 156 <= 0)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || (a16 == 8 && a12 <= 7)) || (((a16 == 9 && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((((0 <= 87 + a18 && a16 == 8) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 4 <= a15)) || (a12 == 9 && a15 <= 3)) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 6 <= a12)) || ((((0 <= 87 + a18 && a18 <= 132) && 5 == a12) && a16 <= 11) && a15 == 3)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && 11 <= a16)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (((0 <= 154 + a18 && 5 == a12) && a15 == 3) && 11 <= a16) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a16 == 9 && 7 == a12) || ((a16 == 10 && a12 == 8) && a15 == 3)) || ((a16 == 8 && a18 + 156 <= 0) && a12 <= 8)) || ((a12 == 9 && a16 == 8) && 0 <= 154 + a18)) || (a12 == 9 && a16 == 9)) || (((a16 == 8 && a12 == 8) && a15 == 3) && 567606 <= a18)) || ((a16 == 8 && a15 <= 3) && 87 + a18 <= 0)) || ((a15 <= 3 && a12 == 8) && a18 + 156 <= 0)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || (a16 == 8 && a12 <= 7)) || (((a16 == 9 && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((((0 <= 87 + a18 && a16 == 8) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 4 <= a15)) || (a12 == 9 && a15 <= 3)) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 6 <= a12)) || ((((0 <= 87 + a18 && a18 <= 132) && 5 == a12) && a16 <= 11) && a15 == 3)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && 11 <= a16)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (((0 <= 154 + a18 && 5 == a12) && a15 == 3) && 11 <= a16) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 01:02:39,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a4176d-0f18-4fb0-827c-e1b03035d916/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...