./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label54.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_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/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_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label54.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/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_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/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 4950cd8c1f780721b5eded288194da6fcc96a674 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:12:45,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:12:45,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:12:45,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:12:45,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:12:45,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:12:45,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:12:45,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:12:45,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:12:45,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:12:45,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:12:45,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:12:45,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:12:45,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:12:45,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:12:45,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:12:45,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:12:45,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:12:45,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:12:45,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:12:45,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:12:45,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:12:45,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:12:45,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:12:45,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:12:45,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:12:45,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:12:45,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:12:45,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:12:45,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:12:45,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:12:45,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:12:45,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:12:45,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:12:45,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:12:45,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:12:45,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:12:45,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:12:45,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:12:45,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:12:45,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:12:45,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:12:45,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:12:45,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:12:45,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:12:45,821 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:12:45,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:12:45,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:12:45,832 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:12:45,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:12:45,832 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:12:45,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:12:45,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:12:45,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:12:45,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:12:45,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:12:45,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:12:45,838 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:12:45,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:12:45,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:12:45,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:12:45,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:12:45,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:12:45,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:12:45,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:12:45,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:12:45,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:12:45,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:12:45,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:12:45,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:12:45,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:12:45,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:12:45,841 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_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4950cd8c1f780721b5eded288194da6fcc96a674 [2021-10-13 00:12:46,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:12:46,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:12:46,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:12:46,233 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:12:46,234 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:12:46,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/eca-rers2012/Problem11_label54.c [2021-10-13 00:12:46,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/data/79bf7123f/49c51825159647a287aa56d08b6cd3f7/FLAG3e74ee874 [2021-10-13 00:12:47,069 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:12:47,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/sv-benchmarks/c/eca-rers2012/Problem11_label54.c [2021-10-13 00:12:47,103 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/data/79bf7123f/49c51825159647a287aa56d08b6cd3f7/FLAG3e74ee874 [2021-10-13 00:12:47,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/data/79bf7123f/49c51825159647a287aa56d08b6cd3f7 [2021-10-13 00:12:47,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:12:47,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:12:47,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:12:47,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:12:47,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:12:47,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:12:47" (1/1) ... [2021-10-13 00:12:47,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6204092d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:47, skipping insertion in model container [2021-10-13 00:12:47,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:12:47" (1/1) ... [2021-10-13 00:12:47,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:12:47,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:12:47,766 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_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/sv-benchmarks/c/eca-rers2012/Problem11_label54.c[5423,5436] [2021-10-13 00:12:48,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:12:48,212 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:12:48,242 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_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/sv-benchmarks/c/eca-rers2012/Problem11_label54.c[5423,5436] [2021-10-13 00:12:48,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:12:48,428 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:12:48,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:48 WrapperNode [2021-10-13 00:12:48,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:12:48,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:12:48,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:12:48,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:12:48,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:48" (1/1) ... [2021-10-13 00:12:48,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:48" (1/1) ... [2021-10-13 00:12:48,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:12:48,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:12:48,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:12:48,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:12:48,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:48" (1/1) ... [2021-10-13 00:12:48,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:48" (1/1) ... [2021-10-13 00:12:48,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:48" (1/1) ... [2021-10-13 00:12:48,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:48" (1/1) ... [2021-10-13 00:12:48,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:48" (1/1) ... [2021-10-13 00:12:48,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:48" (1/1) ... [2021-10-13 00:12:48,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:48" (1/1) ... [2021-10-13 00:12:48,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:12:48,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:12:48,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:12:48,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:12:48,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:48" (1/1) ... [2021-10-13 00:12:48,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:12:48,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:12:48,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:12:48,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:12:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:12:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:12:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:12:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:12:51,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:12:51,118 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:12:51,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:12:51 BoogieIcfgContainer [2021-10-13 00:12:51,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:12:51,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:12:51,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:12:51,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:12:51,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:12:47" (1/3) ... [2021-10-13 00:12:51,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fb5a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:12:51, skipping insertion in model container [2021-10-13 00:12:51,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:48" (2/3) ... [2021-10-13 00:12:51,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fb5a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:12:51, skipping insertion in model container [2021-10-13 00:12:51,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:12:51" (3/3) ... [2021-10-13 00:12:51,132 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label54.c [2021-10-13 00:12:51,138 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:12:51,139 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:12:51,201 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:12:51,208 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 00:12:51,209 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:12:51,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 00:12:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 00:12:51,244 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:51,245 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] [2021-10-13 00:12:51,246 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:51,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:51,252 INFO L82 PathProgramCache]: Analyzing trace with hash 2088660649, now seen corresponding path program 1 times [2021-10-13 00:12:51,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:51,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599771315] [2021-10-13 00:12:51,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:51,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:51,534 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 00:12:51,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:51,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599771315] [2021-10-13 00:12:51,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599771315] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:12:51,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:12:51,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:12:51,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88196940] [2021-10-13 00:12:51,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:12:51,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:51,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:12:51,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:51,566 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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 00:12:53,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:53,015 INFO L93 Difference]: Finished difference Result 763 states and 1352 transitions. [2021-10-13 00:12:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:12:53,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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 37 [2021-10-13 00:12:53,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:53,035 INFO L225 Difference]: With dead ends: 763 [2021-10-13 00:12:53,035 INFO L226 Difference]: Without dead ends: 416 [2021-10-13 00:12:53,040 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:53,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-10-13 00:12:53,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408. [2021-10-13 00:12:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 407 states have (on average 1.6142506142506143) internal successors, (657), 407 states have internal predecessors, (657), 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 00:12:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions. [2021-10-13 00:12:53,149 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 37 [2021-10-13 00:12:53,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:53,151 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions. [2021-10-13 00:12:53,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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 00:12:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions. [2021-10-13 00:12:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-13 00:12:53,160 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:53,160 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:53,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:12:53,161 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:53,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:53,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1296179654, now seen corresponding path program 1 times [2021-10-13 00:12:53,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:53,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235800158] [2021-10-13 00:12:53,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:53,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:53,357 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:12:53,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:53,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235800158] [2021-10-13 00:12:53,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235800158] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:12:53,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:12:53,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:12:53,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889447724] [2021-10-13 00:12:53,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:12:53,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:53,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:12:53,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:53,362 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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 00:12:54,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:54,477 INFO L93 Difference]: Finished difference Result 1191 states and 1930 transitions. [2021-10-13 00:12:54,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:12:54,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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 102 [2021-10-13 00:12:54,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:54,489 INFO L225 Difference]: With dead ends: 1191 [2021-10-13 00:12:54,489 INFO L226 Difference]: Without dead ends: 785 [2021-10-13 00:12:54,492 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:54,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2021-10-13 00:12:54,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 783. [2021-10-13 00:12:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 782 states have (on average 1.438618925831202) internal successors, (1125), 782 states have internal predecessors, (1125), 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 00:12:54,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1125 transitions. [2021-10-13 00:12:54,523 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1125 transitions. Word has length 102 [2021-10-13 00:12:54,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:54,524 INFO L470 AbstractCegarLoop]: Abstraction has 783 states and 1125 transitions. [2021-10-13 00:12:54,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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 00:12:54,524 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1125 transitions. [2021-10-13 00:12:54,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-13 00:12:54,527 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:54,527 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:54,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:12:54,528 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:54,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:54,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1017074320, now seen corresponding path program 1 times [2021-10-13 00:12:54,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:54,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236522151] [2021-10-13 00:12:54,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:54,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:12:54,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:54,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236522151] [2021-10-13 00:12:54,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236522151] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:12:54,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:12:54,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:12:54,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371764628] [2021-10-13 00:12:54,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:12:54,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:54,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:12:54,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:54,726 INFO L87 Difference]: Start difference. First operand 783 states and 1125 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 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 00:12:55,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:55,836 INFO L93 Difference]: Finished difference Result 1948 states and 2801 transitions. [2021-10-13 00:12:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:12:55,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 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 105 [2021-10-13 00:12:55,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:55,846 INFO L225 Difference]: With dead ends: 1948 [2021-10-13 00:12:55,847 INFO L226 Difference]: Without dead ends: 1167 [2021-10-13 00:12:55,848 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:55,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2021-10-13 00:12:55,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1154. [2021-10-13 00:12:55,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1153 states have (on average 1.3391153512575888) internal successors, (1544), 1153 states have internal predecessors, (1544), 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 00:12:55,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1544 transitions. [2021-10-13 00:12:55,884 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1544 transitions. Word has length 105 [2021-10-13 00:12:55,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:55,885 INFO L470 AbstractCegarLoop]: Abstraction has 1154 states and 1544 transitions. [2021-10-13 00:12:55,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 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 00:12:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1544 transitions. [2021-10-13 00:12:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-13 00:12:55,889 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:55,889 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:55,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:12:55,890 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:55,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:55,891 INFO L82 PathProgramCache]: Analyzing trace with hash -166569456, now seen corresponding path program 1 times [2021-10-13 00:12:55,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:55,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670803099] [2021-10-13 00:12:55,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:55,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:12:56,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:56,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670803099] [2021-10-13 00:12:56,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670803099] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:12:56,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:12:56,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:12:56,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966915926] [2021-10-13 00:12:56,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:12:56,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:56,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:12:56,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:56,013 INFO L87 Difference]: Start difference. First operand 1154 states and 1544 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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 00:12:57,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:57,023 INFO L93 Difference]: Finished difference Result 2676 states and 3529 transitions. [2021-10-13 00:12:57,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:12:57,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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 106 [2021-10-13 00:12:57,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:57,034 INFO L225 Difference]: With dead ends: 2676 [2021-10-13 00:12:57,034 INFO L226 Difference]: Without dead ends: 1524 [2021-10-13 00:12:57,036 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:57,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2021-10-13 00:12:57,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1523. [2021-10-13 00:12:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1522 states have (on average 1.268725361366623) internal successors, (1931), 1522 states have internal predecessors, (1931), 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 00:12:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1931 transitions. [2021-10-13 00:12:57,080 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1931 transitions. Word has length 106 [2021-10-13 00:12:57,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:57,081 INFO L470 AbstractCegarLoop]: Abstraction has 1523 states and 1931 transitions. [2021-10-13 00:12:57,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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 00:12:57,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1931 transitions. [2021-10-13 00:12:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-10-13 00:12:57,084 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:57,085 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:57,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:12:57,086 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:57,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:57,086 INFO L82 PathProgramCache]: Analyzing trace with hash -2070966061, now seen corresponding path program 1 times [2021-10-13 00:12:57,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:57,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837771115] [2021-10-13 00:12:57,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:57,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:57,276 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:12:57,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:57,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837771115] [2021-10-13 00:12:57,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837771115] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:12:57,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:12:57,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:12:57,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026828335] [2021-10-13 00:12:57,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:12:57,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:57,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:12:57,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:57,283 INFO L87 Difference]: Start difference. First operand 1523 states and 1931 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 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 00:12:58,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:58,310 INFO L93 Difference]: Finished difference Result 3968 states and 5151 transitions. [2021-10-13 00:12:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:12:58,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 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 164 [2021-10-13 00:12:58,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:58,329 INFO L225 Difference]: With dead ends: 3968 [2021-10-13 00:12:58,329 INFO L226 Difference]: Without dead ends: 2631 [2021-10-13 00:12:58,332 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:58,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2021-10-13 00:12:58,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2447. [2021-10-13 00:12:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2447 states, 2446 states have (on average 1.2236304170073589) internal successors, (2993), 2446 states have internal predecessors, (2993), 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 00:12:58,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2447 states and 2993 transitions. [2021-10-13 00:12:58,401 INFO L78 Accepts]: Start accepts. Automaton has 2447 states and 2993 transitions. Word has length 164 [2021-10-13 00:12:58,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:58,404 INFO L470 AbstractCegarLoop]: Abstraction has 2447 states and 2993 transitions. [2021-10-13 00:12:58,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 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 00:12:58,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 2993 transitions. [2021-10-13 00:12:58,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-10-13 00:12:58,414 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:58,415 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:58,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:12:58,416 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:58,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:58,417 INFO L82 PathProgramCache]: Analyzing trace with hash -558806157, now seen corresponding path program 1 times [2021-10-13 00:12:58,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:58,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785399619] [2021-10-13 00:12:58,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:58,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:58,631 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-13 00:12:58,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:58,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785399619] [2021-10-13 00:12:58,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785399619] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:12:58,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:12:58,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:12:58,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295335737] [2021-10-13 00:12:58,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:12:58,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:58,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:12:58,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:58,639 INFO L87 Difference]: Start difference. First operand 2447 states and 2993 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 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 00:12:59,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:12:59,677 INFO L93 Difference]: Finished difference Result 5266 states and 6463 transitions. [2021-10-13 00:12:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:12:59,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 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 180 [2021-10-13 00:12:59,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:12:59,699 INFO L225 Difference]: With dead ends: 5266 [2021-10-13 00:12:59,700 INFO L226 Difference]: Without dead ends: 3005 [2021-10-13 00:12:59,713 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:59,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2021-10-13 00:12:59,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 2820. [2021-10-13 00:12:59,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2820 states, 2819 states have (on average 1.2220645619013835) internal successors, (3445), 2819 states have internal predecessors, (3445), 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 00:12:59,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2820 states and 3445 transitions. [2021-10-13 00:12:59,812 INFO L78 Accepts]: Start accepts. Automaton has 2820 states and 3445 transitions. Word has length 180 [2021-10-13 00:12:59,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:12:59,813 INFO L470 AbstractCegarLoop]: Abstraction has 2820 states and 3445 transitions. [2021-10-13 00:12:59,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 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 00:12:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3445 transitions. [2021-10-13 00:12:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-10-13 00:12:59,823 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:12:59,823 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:12:59,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:12:59,824 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:12:59,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:12:59,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1961217037, now seen corresponding path program 1 times [2021-10-13 00:12:59,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:12:59,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321341287] [2021-10-13 00:12:59,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:12:59,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:12:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:12:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:12:59,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:12:59,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321341287] [2021-10-13 00:12:59,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321341287] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:12:59,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:12:59,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:12:59,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066273025] [2021-10-13 00:12:59,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:12:59,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:12:59,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:12:59,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:12:59,991 INFO L87 Difference]: Start difference. First operand 2820 states and 3445 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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 00:13:01,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:01,068 INFO L93 Difference]: Finished difference Result 6567 states and 8101 transitions. [2021-10-13 00:13:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:01,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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 217 [2021-10-13 00:13:01,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:01,096 INFO L225 Difference]: With dead ends: 6567 [2021-10-13 00:13:01,097 INFO L226 Difference]: Without dead ends: 3933 [2021-10-13 00:13:01,102 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:01,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3933 states. [2021-10-13 00:13:01,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3933 to 3556. [2021-10-13 00:13:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3556 states, 3555 states have (on average 1.2115330520393812) internal successors, (4307), 3555 states have internal predecessors, (4307), 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 00:13:01,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3556 states and 4307 transitions. [2021-10-13 00:13:01,226 INFO L78 Accepts]: Start accepts. Automaton has 3556 states and 4307 transitions. Word has length 217 [2021-10-13 00:13:01,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:01,227 INFO L470 AbstractCegarLoop]: Abstraction has 3556 states and 4307 transitions. [2021-10-13 00:13:01,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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 00:13:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3556 states and 4307 transitions. [2021-10-13 00:13:01,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-13 00:13:01,232 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:01,233 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 00:13:01,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:13:01,234 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:01,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:01,234 INFO L82 PathProgramCache]: Analyzing trace with hash 629777389, now seen corresponding path program 1 times [2021-10-13 00:13:01,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:01,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843910868] [2021-10-13 00:13:01,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:01,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-13 00:13:01,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:01,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843910868] [2021-10-13 00:13:01,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843910868] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:01,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:01,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:01,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326216586] [2021-10-13 00:13:01,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:01,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:01,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:01,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:01,383 INFO L87 Difference]: Start difference. First operand 3556 states and 4307 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 00:13:02,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:02,543 INFO L93 Difference]: Finished difference Result 9521 states and 11627 transitions. [2021-10-13 00:13:02,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:02,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 218 [2021-10-13 00:13:02,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:02,582 INFO L225 Difference]: With dead ends: 9521 [2021-10-13 00:13:02,582 INFO L226 Difference]: Without dead ends: 5967 [2021-10-13 00:13:02,588 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:02,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5967 states. [2021-10-13 00:13:02,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5967 to 5231. [2021-10-13 00:13:02,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5231 states, 5230 states have (on average 1.2061185468451243) internal successors, (6308), 5230 states have internal predecessors, (6308), 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 00:13:02,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 5231 states and 6308 transitions. [2021-10-13 00:13:02,777 INFO L78 Accepts]: Start accepts. Automaton has 5231 states and 6308 transitions. Word has length 218 [2021-10-13 00:13:02,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:02,778 INFO L470 AbstractCegarLoop]: Abstraction has 5231 states and 6308 transitions. [2021-10-13 00:13:02,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 00:13:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 5231 states and 6308 transitions. [2021-10-13 00:13:02,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-10-13 00:13:02,785 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:02,786 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 00:13:02,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:13:02,786 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:02,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:02,787 INFO L82 PathProgramCache]: Analyzing trace with hash 216235323, now seen corresponding path program 1 times [2021-10-13 00:13:02,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:02,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921784435] [2021-10-13 00:13:02,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:02,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:02,934 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:13:02,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:02,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921784435] [2021-10-13 00:13:02,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921784435] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:02,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:02,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:02,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105356125] [2021-10-13 00:13:02,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:02,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:02,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:02,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:02,938 INFO L87 Difference]: Start difference. First operand 5231 states and 6308 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 00:13:03,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:03,938 INFO L93 Difference]: Finished difference Result 10457 states and 12611 transitions. [2021-10-13 00:13:03,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:03,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 255 [2021-10-13 00:13:03,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:03,981 INFO L225 Difference]: With dead ends: 10457 [2021-10-13 00:13:03,981 INFO L226 Difference]: Without dead ends: 5228 [2021-10-13 00:13:03,988 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:03,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5228 states. [2021-10-13 00:13:04,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5228 to 5228. [2021-10-13 00:13:04,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5228 states, 5227 states have (on average 1.178687583700019) internal successors, (6161), 5227 states have internal predecessors, (6161), 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 00:13:04,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 6161 transitions. [2021-10-13 00:13:04,197 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 6161 transitions. Word has length 255 [2021-10-13 00:13:04,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:04,198 INFO L470 AbstractCegarLoop]: Abstraction has 5228 states and 6161 transitions. [2021-10-13 00:13:04,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 00:13:04,199 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 6161 transitions. [2021-10-13 00:13:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-10-13 00:13:04,206 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:04,206 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:04,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:13:04,207 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:04,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:04,208 INFO L82 PathProgramCache]: Analyzing trace with hash -2143692386, now seen corresponding path program 1 times [2021-10-13 00:13:04,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:04,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555341966] [2021-10-13 00:13:04,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:04,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:04,396 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-13 00:13:04,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:04,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555341966] [2021-10-13 00:13:04,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555341966] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:04,397 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:04,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:04,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947785805] [2021-10-13 00:13:04,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:04,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:04,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:04,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:04,400 INFO L87 Difference]: Start difference. First operand 5228 states and 6161 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 00:13:05,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:05,405 INFO L93 Difference]: Finished difference Result 11195 states and 13196 transitions. [2021-10-13 00:13:05,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:05,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 269 [2021-10-13 00:13:05,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:05,460 INFO L225 Difference]: With dead ends: 11195 [2021-10-13 00:13:05,460 INFO L226 Difference]: Without dead ends: 5969 [2021-10-13 00:13:05,466 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:05,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5969 states. [2021-10-13 00:13:05,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5969 to 5228. [2021-10-13 00:13:05,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5228 states, 5227 states have (on average 1.178687583700019) internal successors, (6161), 5227 states have internal predecessors, (6161), 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 00:13:05,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 6161 transitions. [2021-10-13 00:13:05,651 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 6161 transitions. Word has length 269 [2021-10-13 00:13:05,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:05,652 INFO L470 AbstractCegarLoop]: Abstraction has 5228 states and 6161 transitions. [2021-10-13 00:13:05,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 00:13:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 6161 transitions. [2021-10-13 00:13:05,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-10-13 00:13:05,662 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:05,663 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 00:13:05,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:13:05,664 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:05,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:05,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1892161860, now seen corresponding path program 1 times [2021-10-13 00:13:05,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:05,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616384] [2021-10-13 00:13:05,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:05,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:05,844 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-13 00:13:05,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:05,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616384] [2021-10-13 00:13:05,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616384] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:05,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:05,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:05,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858470225] [2021-10-13 00:13:05,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:05,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:05,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:05,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:05,849 INFO L87 Difference]: Start difference. First operand 5228 states and 6161 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 00:13:07,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:07,011 INFO L93 Difference]: Finished difference Result 12849 states and 15240 transitions. [2021-10-13 00:13:07,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:07,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 272 [2021-10-13 00:13:07,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:07,031 INFO L225 Difference]: With dead ends: 12849 [2021-10-13 00:13:07,032 INFO L226 Difference]: Without dead ends: 7623 [2021-10-13 00:13:07,040 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:07,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7623 states. [2021-10-13 00:13:07,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7623 to 7252. [2021-10-13 00:13:07,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7252 states, 7251 states have (on average 1.1842504482140395) internal successors, (8587), 7251 states have internal predecessors, (8587), 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 00:13:07,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7252 states to 7252 states and 8587 transitions. [2021-10-13 00:13:07,244 INFO L78 Accepts]: Start accepts. Automaton has 7252 states and 8587 transitions. Word has length 272 [2021-10-13 00:13:07,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:07,245 INFO L470 AbstractCegarLoop]: Abstraction has 7252 states and 8587 transitions. [2021-10-13 00:13:07,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 00:13:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 7252 states and 8587 transitions. [2021-10-13 00:13:07,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-10-13 00:13:07,257 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:07,258 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 00:13:07,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 00:13:07,258 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:07,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:07,259 INFO L82 PathProgramCache]: Analyzing trace with hash -218760648, now seen corresponding path program 1 times [2021-10-13 00:13:07,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:07,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472680529] [2021-10-13 00:13:07,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:07,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:07,440 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2021-10-13 00:13:07,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:07,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472680529] [2021-10-13 00:13:07,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472680529] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:07,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:07,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:07,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441002000] [2021-10-13 00:13:07,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:07,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:07,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:07,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:07,444 INFO L87 Difference]: Start difference. First operand 7252 states and 8587 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 00:13:08,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:08,347 INFO L93 Difference]: Finished difference Result 15789 states and 18676 transitions. [2021-10-13 00:13:08,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:08,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 310 [2021-10-13 00:13:08,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:08,370 INFO L225 Difference]: With dead ends: 15789 [2021-10-13 00:13:08,370 INFO L226 Difference]: Without dead ends: 8539 [2021-10-13 00:13:08,379 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:08,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8539 states. [2021-10-13 00:13:08,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8539 to 6143. [2021-10-13 00:13:08,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6143 states, 6142 states have (on average 1.1859329208726799) internal successors, (7284), 6142 states have internal predecessors, (7284), 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 00:13:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6143 states to 6143 states and 7284 transitions. [2021-10-13 00:13:08,598 INFO L78 Accepts]: Start accepts. Automaton has 6143 states and 7284 transitions. Word has length 310 [2021-10-13 00:13:08,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:08,599 INFO L470 AbstractCegarLoop]: Abstraction has 6143 states and 7284 transitions. [2021-10-13 00:13:08,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 00:13:08,600 INFO L276 IsEmpty]: Start isEmpty. Operand 6143 states and 7284 transitions. [2021-10-13 00:13:08,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-10-13 00:13:08,610 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:08,611 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 00:13:08,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 00:13:08,611 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:08,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:08,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1789936803, now seen corresponding path program 1 times [2021-10-13 00:13:08,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:08,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474643165] [2021-10-13 00:13:08,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:08,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:08,909 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-10-13 00:13:08,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:08,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474643165] [2021-10-13 00:13:08,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474643165] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:08,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:08,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:08,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865883427] [2021-10-13 00:13:08,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:13:08,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:08,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:13:08,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:08,913 INFO L87 Difference]: Start difference. First operand 6143 states and 7284 transitions. Second operand has 4 states, 4 states have (on average 45.5) internal successors, (182), 3 states have internal predecessors, (182), 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 00:13:10,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:10,225 INFO L93 Difference]: Finished difference Result 14510 states and 17070 transitions. [2021-10-13 00:13:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:13:10,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 3 states have internal predecessors, (182), 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 320 [2021-10-13 00:13:10,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:10,245 INFO L225 Difference]: With dead ends: 14510 [2021-10-13 00:13:10,246 INFO L226 Difference]: Without dead ends: 8355 [2021-10-13 00:13:10,253 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:10,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8355 states. [2021-10-13 00:13:10,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8355 to 8170. [2021-10-13 00:13:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8170 states, 8169 states have (on average 1.1726037458685274) internal successors, (9579), 8169 states have internal predecessors, (9579), 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 00:13:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8170 states to 8170 states and 9579 transitions. [2021-10-13 00:13:10,427 INFO L78 Accepts]: Start accepts. Automaton has 8170 states and 9579 transitions. Word has length 320 [2021-10-13 00:13:10,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:10,428 INFO L470 AbstractCegarLoop]: Abstraction has 8170 states and 9579 transitions. [2021-10-13 00:13:10,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 3 states have internal predecessors, (182), 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 00:13:10,429 INFO L276 IsEmpty]: Start isEmpty. Operand 8170 states and 9579 transitions. [2021-10-13 00:13:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-10-13 00:13:10,449 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:10,450 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:10,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 00:13:10,450 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:10,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:10,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1148105623, now seen corresponding path program 1 times [2021-10-13 00:13:10,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:10,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810805819] [2021-10-13 00:13:10,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:10,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-13 00:13:10,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:10,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810805819] [2021-10-13 00:13:10,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810805819] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:10,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:10,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:13:10,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000598756] [2021-10-13 00:13:10,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:13:10,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:10,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:13:10,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:10,715 INFO L87 Difference]: Start difference. First operand 8170 states and 9579 transitions. Second operand has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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 00:13:12,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:12,574 INFO L93 Difference]: Finished difference Result 21877 states and 25680 transitions. [2021-10-13 00:13:12,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:13:12,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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 394 [2021-10-13 00:13:12,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:12,608 INFO L225 Difference]: With dead ends: 21877 [2021-10-13 00:13:12,609 INFO L226 Difference]: Without dead ends: 14077 [2021-10-13 00:13:12,619 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:12,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14077 states. [2021-10-13 00:13:12,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14077 to 12973. [2021-10-13 00:13:12,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12973 states, 12972 states have (on average 1.1669750231267344) internal successors, (15138), 12972 states have internal predecessors, (15138), 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 00:13:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12973 states to 12973 states and 15138 transitions. [2021-10-13 00:13:12,947 INFO L78 Accepts]: Start accepts. Automaton has 12973 states and 15138 transitions. Word has length 394 [2021-10-13 00:13:12,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:12,948 INFO L470 AbstractCegarLoop]: Abstraction has 12973 states and 15138 transitions. [2021-10-13 00:13:12,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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 00:13:12,948 INFO L276 IsEmpty]: Start isEmpty. Operand 12973 states and 15138 transitions. [2021-10-13 00:13:13,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-10-13 00:13:13,023 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:13,024 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 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 00:13:13,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 00:13:13,025 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:13,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:13,026 INFO L82 PathProgramCache]: Analyzing trace with hash 917869103, now seen corresponding path program 1 times [2021-10-13 00:13:13,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:13,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096675292] [2021-10-13 00:13:13,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:13,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 00:13:13,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:13,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096675292] [2021-10-13 00:13:13,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096675292] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:13,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:13,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:13,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579228580] [2021-10-13 00:13:13,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:13:13,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:13,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:13:13,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:13,251 INFO L87 Difference]: Start difference. First operand 12973 states and 15138 transitions. Second operand has 4 states, 4 states have (on average 103.25) internal successors, (413), 3 states have internal predecessors, (413), 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 00:13:14,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:14,913 INFO L93 Difference]: Finished difference Result 32968 states and 38384 transitions. [2021-10-13 00:13:14,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:13:14,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 103.25) internal successors, (413), 3 states have internal predecessors, (413), 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 447 [2021-10-13 00:13:14,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:14,968 INFO L225 Difference]: With dead ends: 32968 [2021-10-13 00:13:14,968 INFO L226 Difference]: Without dead ends: 20365 [2021-10-13 00:13:14,989 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:15,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20365 states. [2021-10-13 00:13:15,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20365 to 17777. [2021-10-13 00:13:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17777 states, 17776 states have (on average 1.161284878487849) internal successors, (20643), 17776 states have internal predecessors, (20643), 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 00:13:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17777 states to 17777 states and 20643 transitions. [2021-10-13 00:13:15,436 INFO L78 Accepts]: Start accepts. Automaton has 17777 states and 20643 transitions. Word has length 447 [2021-10-13 00:13:15,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:15,437 INFO L470 AbstractCegarLoop]: Abstraction has 17777 states and 20643 transitions. [2021-10-13 00:13:15,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.25) internal successors, (413), 3 states have internal predecessors, (413), 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 00:13:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 17777 states and 20643 transitions. [2021-10-13 00:13:15,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2021-10-13 00:13:15,462 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:15,462 INFO L512 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 00:13:15,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-13 00:13:15,463 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:15,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:15,466 INFO L82 PathProgramCache]: Analyzing trace with hash -395850802, now seen corresponding path program 1 times [2021-10-13 00:13:15,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:15,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630874249] [2021-10-13 00:13:15,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:15,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:15,723 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2021-10-13 00:13:15,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:15,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630874249] [2021-10-13 00:13:15,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630874249] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:15,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:15,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:15,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272344226] [2021-10-13 00:13:15,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:15,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:15,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:15,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:15,729 INFO L87 Difference]: Start difference. First operand 17777 states and 20643 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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 00:13:16,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:16,790 INFO L93 Difference]: Finished difference Result 34442 states and 40071 transitions. [2021-10-13 00:13:16,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:16,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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 514 [2021-10-13 00:13:16,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:16,824 INFO L225 Difference]: With dead ends: 34442 [2021-10-13 00:13:16,824 INFO L226 Difference]: Without dead ends: 17035 [2021-10-13 00:13:16,835 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:16,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17035 states. [2021-10-13 00:13:17,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17035 to 12601. [2021-10-13 00:13:17,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12601 states, 12600 states have (on average 1.1617460317460317) internal successors, (14638), 12600 states have internal predecessors, (14638), 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 00:13:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12601 states to 12601 states and 14638 transitions. [2021-10-13 00:13:17,200 INFO L78 Accepts]: Start accepts. Automaton has 12601 states and 14638 transitions. Word has length 514 [2021-10-13 00:13:17,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:17,202 INFO L470 AbstractCegarLoop]: Abstraction has 12601 states and 14638 transitions. [2021-10-13 00:13:17,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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 00:13:17,202 INFO L276 IsEmpty]: Start isEmpty. Operand 12601 states and 14638 transitions. [2021-10-13 00:13:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2021-10-13 00:13:17,229 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:17,230 INFO L512 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:17,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-13 00:13:17,230 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:17,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:17,231 INFO L82 PathProgramCache]: Analyzing trace with hash -584826003, now seen corresponding path program 1 times [2021-10-13 00:13:17,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:17,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865221099] [2021-10-13 00:13:17,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:17,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:17,609 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 559 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-10-13 00:13:17,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:17,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865221099] [2021-10-13 00:13:17,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865221099] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:17,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:17,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:13:17,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435357916] [2021-10-13 00:13:17,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:13:17,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:17,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:13:17,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:17,614 INFO L87 Difference]: Start difference. First operand 12601 states and 14638 transitions. Second operand has 4 states, 4 states have (on average 85.25) internal successors, (341), 4 states have internal predecessors, (341), 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 00:13:19,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:19,334 INFO L93 Difference]: Finished difference Result 28899 states and 33610 transitions. [2021-10-13 00:13:19,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:13:19,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 85.25) internal successors, (341), 4 states have internal predecessors, (341), 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 535 [2021-10-13 00:13:19,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:19,362 INFO L225 Difference]: With dead ends: 28899 [2021-10-13 00:13:19,362 INFO L226 Difference]: Without dead ends: 16668 [2021-10-13 00:13:19,370 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:19,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16668 states. [2021-10-13 00:13:19,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16668 to 12049. [2021-10-13 00:13:19,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12049 states, 12048 states have (on average 1.1661686586985391) internal successors, (14050), 12048 states have internal predecessors, (14050), 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 00:13:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12049 states to 12049 states and 14050 transitions. [2021-10-13 00:13:19,611 INFO L78 Accepts]: Start accepts. Automaton has 12049 states and 14050 transitions. Word has length 535 [2021-10-13 00:13:19,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:19,612 INFO L470 AbstractCegarLoop]: Abstraction has 12049 states and 14050 transitions. [2021-10-13 00:13:19,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 85.25) internal successors, (341), 4 states have internal predecessors, (341), 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 00:13:19,612 INFO L276 IsEmpty]: Start isEmpty. Operand 12049 states and 14050 transitions. [2021-10-13 00:13:19,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2021-10-13 00:13:19,636 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:19,638 INFO L512 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:19,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-13 00:13:19,638 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:19,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:19,639 INFO L82 PathProgramCache]: Analyzing trace with hash -861206840, now seen corresponding path program 1 times [2021-10-13 00:13:19,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:19,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306595212] [2021-10-13 00:13:19,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:19,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 705 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-13 00:13:20,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:20,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306595212] [2021-10-13 00:13:20,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306595212] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:20,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:20,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:13:20,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258014621] [2021-10-13 00:13:20,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:13:20,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:20,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:13:20,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:20,054 INFO L87 Difference]: Start difference. First operand 12049 states and 14050 transitions. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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 00:13:21,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:21,789 INFO L93 Difference]: Finished difference Result 30746 states and 35969 transitions. [2021-10-13 00:13:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:13:21,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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 561 [2021-10-13 00:13:21,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:21,819 INFO L225 Difference]: With dead ends: 30746 [2021-10-13 00:13:21,819 INFO L226 Difference]: Without dead ends: 19067 [2021-10-13 00:13:21,830 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:21,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19067 states. [2021-10-13 00:13:22,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19067 to 14453. [2021-10-13 00:13:22,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14453 states, 14452 states have (on average 1.17153335178522) internal successors, (16931), 14452 states have internal predecessors, (16931), 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 00:13:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14453 states to 14453 states and 16931 transitions. [2021-10-13 00:13:22,267 INFO L78 Accepts]: Start accepts. Automaton has 14453 states and 16931 transitions. Word has length 561 [2021-10-13 00:13:22,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:22,268 INFO L470 AbstractCegarLoop]: Abstraction has 14453 states and 16931 transitions. [2021-10-13 00:13:22,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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 00:13:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 14453 states and 16931 transitions. [2021-10-13 00:13:22,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2021-10-13 00:13:22,303 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:22,304 INFO L512 BasicCegarLoop]: trace histogram [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, 4, 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, 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] [2021-10-13 00:13:22,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-13 00:13:22,305 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:22,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:22,306 INFO L82 PathProgramCache]: Analyzing trace with hash 802140522, now seen corresponding path program 1 times [2021-10-13 00:13:22,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:22,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189504168] [2021-10-13 00:13:22,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:22,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-10-13 00:13:22,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:22,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189504168] [2021-10-13 00:13:22,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189504168] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:22,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:22,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:13:22,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800789955] [2021-10-13 00:13:22,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:22,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:22,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:22,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:22,615 INFO L87 Difference]: Start difference. First operand 14453 states and 16931 transitions. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 2 states have internal predecessors, (306), 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 00:13:23,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:23,249 INFO L93 Difference]: Finished difference Result 28527 states and 33465 transitions. [2021-10-13 00:13:23,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:23,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 2 states have internal predecessors, (306), 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 602 [2021-10-13 00:13:23,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:23,268 INFO L225 Difference]: With dead ends: 28527 [2021-10-13 00:13:23,268 INFO L226 Difference]: Without dead ends: 14444 [2021-10-13 00:13:23,277 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:23,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14444 states. [2021-10-13 00:13:23,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14444 to 14440. [2021-10-13 00:13:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14440 states, 14439 states have (on average 1.1708567075282221) internal successors, (16906), 14439 states have internal predecessors, (16906), 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 00:13:23,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14440 states to 14440 states and 16906 transitions. [2021-10-13 00:13:23,527 INFO L78 Accepts]: Start accepts. Automaton has 14440 states and 16906 transitions. Word has length 602 [2021-10-13 00:13:23,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:23,528 INFO L470 AbstractCegarLoop]: Abstraction has 14440 states and 16906 transitions. [2021-10-13 00:13:23,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 2 states have internal predecessors, (306), 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 00:13:23,528 INFO L276 IsEmpty]: Start isEmpty. Operand 14440 states and 16906 transitions. [2021-10-13 00:13:23,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2021-10-13 00:13:23,545 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:23,547 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:23,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-13 00:13:23,548 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:23,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:23,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1745204086, now seen corresponding path program 1 times [2021-10-13 00:13:23,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:23,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827473549] [2021-10-13 00:13:23,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:23,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 594 proven. 0 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2021-10-13 00:13:23,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:23,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827473549] [2021-10-13 00:13:23,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827473549] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:23,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:23,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:23,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121304773] [2021-10-13 00:13:23,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:23,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:23,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:23,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:23,870 INFO L87 Difference]: Start difference. First operand 14440 states and 16906 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 00:13:24,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:24,990 INFO L93 Difference]: Finished difference Result 30547 states and 35892 transitions. [2021-10-13 00:13:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:24,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 622 [2021-10-13 00:13:24,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:25,007 INFO L225 Difference]: With dead ends: 30547 [2021-10-13 00:13:25,008 INFO L226 Difference]: Without dead ends: 16291 [2021-10-13 00:13:25,017 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:25,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16291 states. [2021-10-13 00:13:25,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16291 to 15172. [2021-10-13 00:13:25,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15172 states, 15171 states have (on average 1.139147056884846) internal successors, (17282), 15171 states have internal predecessors, (17282), 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 00:13:25,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15172 states to 15172 states and 17282 transitions. [2021-10-13 00:13:25,301 INFO L78 Accepts]: Start accepts. Automaton has 15172 states and 17282 transitions. Word has length 622 [2021-10-13 00:13:25,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:25,302 INFO L470 AbstractCegarLoop]: Abstraction has 15172 states and 17282 transitions. [2021-10-13 00:13:25,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 00:13:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 15172 states and 17282 transitions. [2021-10-13 00:13:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-10-13 00:13:25,320 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:25,321 INFO L512 BasicCegarLoop]: trace histogram [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, 4, 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, 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] [2021-10-13 00:13:25,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-13 00:13:25,321 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:25,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:25,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1165858962, now seen corresponding path program 1 times [2021-10-13 00:13:25,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:25,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607973742] [2021-10-13 00:13:25,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:25,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 621 proven. 154 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-10-13 00:13:25,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:25,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607973742] [2021-10-13 00:13:25,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607973742] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:25,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383335984] [2021-10-13 00:13:25,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:25,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:13:25,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:25,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:13:25,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:13:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:26,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 00:13:26,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 621 proven. 154 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-10-13 00:13:30,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383335984] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:30,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:13:30,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-13 00:13:30,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415244976] [2021-10-13 00:13:30,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:13:30,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:30,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:13:30,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:13:30,352 INFO L87 Difference]: Start difference. First operand 15172 states and 17282 transitions. Second operand has 5 states, 5 states have (on average 93.8) internal successors, (469), 4 states have internal predecessors, (469), 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 00:13:32,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:32,152 INFO L93 Difference]: Finished difference Result 33219 states and 37863 transitions. [2021-10-13 00:13:32,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:13:32,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 93.8) internal successors, (469), 4 states have internal predecessors, (469), 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 626 [2021-10-13 00:13:32,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:32,176 INFO L225 Difference]: With dead ends: 33219 [2021-10-13 00:13:32,177 INFO L226 Difference]: Without dead ends: 18049 [2021-10-13 00:13:32,188 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 40.0ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:13:32,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18049 states. [2021-10-13 00:13:32,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18049 to 15157. [2021-10-13 00:13:32,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15157 states, 15156 states have (on average 1.1211401425178147) internal successors, (16992), 15156 states have internal predecessors, (16992), 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 00:13:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15157 states to 15157 states and 16992 transitions. [2021-10-13 00:13:32,583 INFO L78 Accepts]: Start accepts. Automaton has 15157 states and 16992 transitions. Word has length 626 [2021-10-13 00:13:32,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:32,585 INFO L470 AbstractCegarLoop]: Abstraction has 15157 states and 16992 transitions. [2021-10-13 00:13:32,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 93.8) internal successors, (469), 4 states have internal predecessors, (469), 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 00:13:32,585 INFO L276 IsEmpty]: Start isEmpty. Operand 15157 states and 16992 transitions. [2021-10-13 00:13:32,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2021-10-13 00:13:32,611 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:32,612 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:32,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:32,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-13 00:13:32,834 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:32,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:32,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1097980107, now seen corresponding path program 1 times [2021-10-13 00:13:32,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:32,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104905900] [2021-10-13 00:13:32,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:32,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:33,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 847 proven. 240 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-10-13 00:13:33,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:33,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104905900] [2021-10-13 00:13:33,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104905900] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:33,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811166228] [2021-10-13 00:13:33,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:33,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:13:33,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:33,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:13:33,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 00:13:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:34,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:13:34,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:35,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 852 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-10-13 00:13:35,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811166228] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:35,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:13:35,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-10-13 00:13:35,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814159325] [2021-10-13 00:13:35,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:35,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:35,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:35,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:13:35,851 INFO L87 Difference]: Start difference. First operand 15157 states and 16992 transitions. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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 00:13:36,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:36,786 INFO L93 Difference]: Finished difference Result 30316 states and 33984 transitions. [2021-10-13 00:13:36,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:36,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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 639 [2021-10-13 00:13:36,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:36,805 INFO L225 Difference]: With dead ends: 30316 [2021-10-13 00:13:36,805 INFO L226 Difference]: Without dead ends: 15345 [2021-10-13 00:13:36,814 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 644 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 43.5ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:13:36,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15345 states. [2021-10-13 00:13:37,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15345 to 15157. [2021-10-13 00:13:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15157 states, 15156 states have (on average 1.103853259435207) internal successors, (16730), 15156 states have internal predecessors, (16730), 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 00:13:37,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15157 states to 15157 states and 16730 transitions. [2021-10-13 00:13:37,162 INFO L78 Accepts]: Start accepts. Automaton has 15157 states and 16730 transitions. Word has length 639 [2021-10-13 00:13:37,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:37,162 INFO L470 AbstractCegarLoop]: Abstraction has 15157 states and 16730 transitions. [2021-10-13 00:13:37,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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 00:13:37,163 INFO L276 IsEmpty]: Start isEmpty. Operand 15157 states and 16730 transitions. [2021-10-13 00:13:37,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2021-10-13 00:13:37,181 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:37,182 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:37,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:37,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-10-13 00:13:37,398 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:37,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:37,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1717664100, now seen corresponding path program 1 times [2021-10-13 00:13:37,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:37,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82909375] [2021-10-13 00:13:37,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:37,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 876 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-10-13 00:13:37,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:37,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82909375] [2021-10-13 00:13:37,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82909375] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:37,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:37,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:37,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949950877] [2021-10-13 00:13:37,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:37,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:37,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:37,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:37,715 INFO L87 Difference]: Start difference. First operand 15157 states and 16730 transitions. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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 00:13:38,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:38,704 INFO L93 Difference]: Finished difference Result 32518 states and 35866 transitions. [2021-10-13 00:13:38,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:38,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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 645 [2021-10-13 00:13:38,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:38,721 INFO L225 Difference]: With dead ends: 32518 [2021-10-13 00:13:38,721 INFO L226 Difference]: Without dead ends: 18285 [2021-10-13 00:13:38,727 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:38,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18285 states. [2021-10-13 00:13:38,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18285 to 16627. [2021-10-13 00:13:38,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16627 states, 16626 states have (on average 1.0974377481053772) internal successors, (18246), 16626 states have internal predecessors, (18246), 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 00:13:38,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16627 states to 16627 states and 18246 transitions. [2021-10-13 00:13:38,937 INFO L78 Accepts]: Start accepts. Automaton has 16627 states and 18246 transitions. Word has length 645 [2021-10-13 00:13:38,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:38,938 INFO L470 AbstractCegarLoop]: Abstraction has 16627 states and 18246 transitions. [2021-10-13 00:13:38,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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 00:13:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 16627 states and 18246 transitions. [2021-10-13 00:13:38,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-10-13 00:13:38,960 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:38,961 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, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:38,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-13 00:13:38,962 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:38,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:38,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1198800803, now seen corresponding path program 1 times [2021-10-13 00:13:38,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:38,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394395561] [2021-10-13 00:13:38,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:38,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 1049 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-10-13 00:13:39,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:39,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394395561] [2021-10-13 00:13:39,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394395561] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:39,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:39,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:39,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263751712] [2021-10-13 00:13:39,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:13:39,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:39,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:13:39,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:39,279 INFO L87 Difference]: Start difference. First operand 16627 states and 18246 transitions. Second operand has 4 states, 4 states have (on average 106.0) internal successors, (424), 3 states have internal predecessors, (424), 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 00:13:40,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:40,627 INFO L93 Difference]: Finished difference Result 35101 states and 38541 transitions. [2021-10-13 00:13:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:13:40,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 3 states have internal predecessors, (424), 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 680 [2021-10-13 00:13:40,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:40,644 INFO L225 Difference]: With dead ends: 35101 [2021-10-13 00:13:40,644 INFO L226 Difference]: Without dead ends: 19582 [2021-10-13 00:13:40,652 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:40,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19582 states. [2021-10-13 00:13:40,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19582 to 16627. [2021-10-13 00:13:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16627 states, 16626 states have (on average 1.0974377481053772) internal successors, (18246), 16626 states have internal predecessors, (18246), 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 00:13:40,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16627 states to 16627 states and 18246 transitions. [2021-10-13 00:13:40,956 INFO L78 Accepts]: Start accepts. Automaton has 16627 states and 18246 transitions. Word has length 680 [2021-10-13 00:13:40,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:40,957 INFO L470 AbstractCegarLoop]: Abstraction has 16627 states and 18246 transitions. [2021-10-13 00:13:40,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 3 states have internal predecessors, (424), 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 00:13:40,957 INFO L276 IsEmpty]: Start isEmpty. Operand 16627 states and 18246 transitions. [2021-10-13 00:13:40,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 695 [2021-10-13 00:13:40,978 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:40,979 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, 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, 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, 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 00:13:40,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-13 00:13:40,980 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:40,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:40,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1912494515, now seen corresponding path program 1 times [2021-10-13 00:13:40,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:40,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634279992] [2021-10-13 00:13:40,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:40,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:41,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 1034 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-10-13 00:13:41,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:41,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634279992] [2021-10-13 00:13:41,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634279992] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:41,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:41,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:41,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471874475] [2021-10-13 00:13:41,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:41,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:41,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:41,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:41,286 INFO L87 Difference]: Start difference. First operand 16627 states and 18246 transitions. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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 00:13:42,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:42,278 INFO L93 Difference]: Finished difference Result 32882 states and 36090 transitions. [2021-10-13 00:13:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:42,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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 694 [2021-10-13 00:13:42,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:42,299 INFO L225 Difference]: With dead ends: 32882 [2021-10-13 00:13:42,299 INFO L226 Difference]: Without dead ends: 17179 [2021-10-13 00:13:42,309 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 00:13:42,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17179 states. [2021-10-13 00:13:42,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17179 to 15701. [2021-10-13 00:13:42,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15701 states, 15700 states have (on average 1.0945859872611465) internal successors, (17185), 15700 states have internal predecessors, (17185), 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 00:13:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15701 states to 15701 states and 17185 transitions. [2021-10-13 00:13:42,513 INFO L78 Accepts]: Start accepts. Automaton has 15701 states and 17185 transitions. Word has length 694 [2021-10-13 00:13:42,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:42,514 INFO L470 AbstractCegarLoop]: Abstraction has 15701 states and 17185 transitions. [2021-10-13 00:13:42,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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 00:13:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 15701 states and 17185 transitions. [2021-10-13 00:13:42,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2021-10-13 00:13:42,531 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:42,532 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, 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, 3, 3, 3, 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] [2021-10-13 00:13:42,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-13 00:13:42,533 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:42,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:42,533 INFO L82 PathProgramCache]: Analyzing trace with hash 737170325, now seen corresponding path program 1 times [2021-10-13 00:13:42,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:42,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203130786] [2021-10-13 00:13:42,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:42,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 954 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-10-13 00:13:42,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:42,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203130786] [2021-10-13 00:13:42,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203130786] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:42,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:42,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:42,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998388011] [2021-10-13 00:13:42,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:13:42,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:42,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:13:42,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:42,874 INFO L87 Difference]: Start difference. First operand 15701 states and 17185 transitions. Second operand has 4 states, 4 states have (on average 115.75) internal successors, (463), 3 states have internal predecessors, (463), 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 00:13:44,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:44,373 INFO L93 Difference]: Finished difference Result 34722 states and 38039 transitions. [2021-10-13 00:13:44,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:13:44,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.75) internal successors, (463), 3 states have internal predecessors, (463), 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 725 [2021-10-13 00:13:44,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:44,389 INFO L225 Difference]: With dead ends: 34722 [2021-10-13 00:13:44,389 INFO L226 Difference]: Without dead ends: 19391 [2021-10-13 00:13:44,483 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:44,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19391 states. [2021-10-13 00:13:44,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19391 to 17732. [2021-10-13 00:13:44,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17732 states, 17731 states have (on average 1.0903502340533529) internal successors, (19333), 17731 states have internal predecessors, (19333), 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 00:13:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17732 states to 17732 states and 19333 transitions. [2021-10-13 00:13:44,691 INFO L78 Accepts]: Start accepts. Automaton has 17732 states and 19333 transitions. Word has length 725 [2021-10-13 00:13:44,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:44,691 INFO L470 AbstractCegarLoop]: Abstraction has 17732 states and 19333 transitions. [2021-10-13 00:13:44,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.75) internal successors, (463), 3 states have internal predecessors, (463), 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 00:13:44,692 INFO L276 IsEmpty]: Start isEmpty. Operand 17732 states and 19333 transitions. [2021-10-13 00:13:44,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 757 [2021-10-13 00:13:44,707 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:44,708 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, 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, 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, 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] [2021-10-13 00:13:44,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-13 00:13:44,708 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:44,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:44,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1817314565, now seen corresponding path program 1 times [2021-10-13 00:13:44,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:44,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594996972] [2021-10-13 00:13:44,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:44,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 903 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2021-10-13 00:13:45,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:45,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594996972] [2021-10-13 00:13:45,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594996972] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:45,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:45,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:45,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795234900] [2021-10-13 00:13:45,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:45,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:45,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:45,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:45,029 INFO L87 Difference]: Start difference. First operand 17732 states and 19333 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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 00:13:45,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:45,958 INFO L93 Difference]: Finished difference Result 35646 states and 38895 transitions. [2021-10-13 00:13:45,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:45,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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 756 [2021-10-13 00:13:45,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:45,974 INFO L225 Difference]: With dead ends: 35646 [2021-10-13 00:13:45,974 INFO L226 Difference]: Without dead ends: 18654 [2021-10-13 00:13:45,982 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 00:13:45,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18654 states. [2021-10-13 00:13:46,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18654 to 14596. [2021-10-13 00:13:46,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14596 states, 14595 states have (on average 1.086125385405961) internal successors, (15852), 14595 states have internal predecessors, (15852), 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 00:13:46,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14596 states to 14596 states and 15852 transitions. [2021-10-13 00:13:46,175 INFO L78 Accepts]: Start accepts. Automaton has 14596 states and 15852 transitions. Word has length 756 [2021-10-13 00:13:46,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:46,176 INFO L470 AbstractCegarLoop]: Abstraction has 14596 states and 15852 transitions. [2021-10-13 00:13:46,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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 00:13:46,176 INFO L276 IsEmpty]: Start isEmpty. Operand 14596 states and 15852 transitions. [2021-10-13 00:13:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2021-10-13 00:13:46,188 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:46,188 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, 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, 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, 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 00:13:46,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-13 00:13:46,189 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:46,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:46,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1456791539, now seen corresponding path program 1 times [2021-10-13 00:13:46,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:46,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870059673] [2021-10-13 00:13:46,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:46,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:46,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 648 proven. 554 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-10-13 00:13:46,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:46,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870059673] [2021-10-13 00:13:46,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870059673] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:46,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377986321] [2021-10-13 00:13:46,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:46,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:13:46,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:46,593 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:13:46,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 00:13:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:47,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:13:47,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 1027 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2021-10-13 00:13:49,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377986321] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:49,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:13:49,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-13 00:13:49,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706172785] [2021-10-13 00:13:49,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:49,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:49,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:49,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:13:49,894 INFO L87 Difference]: Start difference. First operand 14596 states and 15852 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 00:13:50,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:50,762 INFO L93 Difference]: Finished difference Result 29199 states and 31740 transitions. [2021-10-13 00:13:50,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:50,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 763 [2021-10-13 00:13:50,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:50,783 INFO L225 Difference]: With dead ends: 29199 [2021-10-13 00:13:50,783 INFO L226 Difference]: Without dead ends: 15159 [2021-10-13 00:13:50,793 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 766 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 16.9ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:13:50,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15159 states. [2021-10-13 00:13:51,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15159 to 14782. [2021-10-13 00:13:51,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14782 states, 14781 states have (on average 1.085041607469048) internal successors, (16038), 14781 states have internal predecessors, (16038), 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 00:13:51,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14782 states to 14782 states and 16038 transitions. [2021-10-13 00:13:51,045 INFO L78 Accepts]: Start accepts. Automaton has 14782 states and 16038 transitions. Word has length 763 [2021-10-13 00:13:51,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:51,046 INFO L470 AbstractCegarLoop]: Abstraction has 14782 states and 16038 transitions. [2021-10-13 00:13:51,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 00:13:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 14782 states and 16038 transitions. [2021-10-13 00:13:51,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2021-10-13 00:13:51,065 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:51,065 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:51,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:51,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-10-13 00:13:51,269 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:51,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:51,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1494290570, now seen corresponding path program 1 times [2021-10-13 00:13:51,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:51,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648610247] [2021-10-13 00:13:51,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:51,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2182 backedges. 1317 proven. 0 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2021-10-13 00:13:51,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:51,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648610247] [2021-10-13 00:13:51,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648610247] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:51,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:51,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:13:51,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700800095] [2021-10-13 00:13:51,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:13:51,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:51,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:13:51,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:51,777 INFO L87 Difference]: Start difference. First operand 14782 states and 16038 transitions. Second operand has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 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 00:13:52,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:52,995 INFO L93 Difference]: Finished difference Result 29374 states and 31788 transitions. [2021-10-13 00:13:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:13:52,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 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 817 [2021-10-13 00:13:52,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:53,009 INFO L225 Difference]: With dead ends: 29374 [2021-10-13 00:13:53,009 INFO L226 Difference]: Without dead ends: 15148 [2021-10-13 00:13:53,016 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:53,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15148 states. [2021-10-13 00:13:53,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15148 to 12564. [2021-10-13 00:13:53,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12564 states, 12563 states have (on average 1.078962031361936) internal successors, (13555), 12563 states have internal predecessors, (13555), 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 00:13:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12564 states to 12564 states and 13555 transitions. [2021-10-13 00:13:53,172 INFO L78 Accepts]: Start accepts. Automaton has 12564 states and 13555 transitions. Word has length 817 [2021-10-13 00:13:53,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:53,173 INFO L470 AbstractCegarLoop]: Abstraction has 12564 states and 13555 transitions. [2021-10-13 00:13:53,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 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 00:13:53,173 INFO L276 IsEmpty]: Start isEmpty. Operand 12564 states and 13555 transitions. [2021-10-13 00:13:53,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2021-10-13 00:13:53,185 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:53,186 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, 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:53,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-13 00:13:53,187 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:13:53,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:53,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1603139587, now seen corresponding path program 1 times [2021-10-13 00:13:53,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:53,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688607776] [2021-10-13 00:13:53,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:53,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1896 backedges. 1341 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2021-10-13 00:13:53,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:53,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688607776] [2021-10-13 00:13:53,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688607776] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:53,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:53,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:53,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413808429] [2021-10-13 00:13:53,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:53,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:53,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:53,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:53,538 INFO L87 Difference]: Start difference. First operand 12564 states and 13555 transitions. Second operand has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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 00:13:54,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:54,264 INFO L93 Difference]: Finished difference Result 22362 states and 24134 transitions. [2021-10-13 00:13:54,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:54,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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 829 [2021-10-13 00:13:54,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:54,265 INFO L225 Difference]: With dead ends: 22362 [2021-10-13 00:13:54,265 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:13:54,272 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:54,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:13:54,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:13:54,273 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 00:13:54,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:13:54,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 829 [2021-10-13 00:13:54,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:54,274 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:13:54,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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 00:13:54,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:13:54,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:13:54,277 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:13:54,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-13 00:13:54,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:13:54,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:13:56,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:13:58,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:14:04,957 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-13 00:14:04,957 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,957 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-13 00:14:04,958 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,958 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,958 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,958 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,958 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,959 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,959 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-13 00:14:04,959 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-13 00:14:04,959 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-13 00:14:04,959 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,959 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,960 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,960 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,960 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,960 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,960 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,961 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,961 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,961 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,961 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-13 00:14:04,961 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-13 00:14:04,961 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-13 00:14:04,962 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,962 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-13 00:14:04,962 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-13 00:14:04,962 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,962 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,963 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,963 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,963 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,963 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,963 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-13 00:14:04,963 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-13 00:14:04,964 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-13 00:14:04,964 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,964 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,964 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,965 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse24 (< 140 ~a29~0)) (.cse1 (= ~a25~0 12)) (.cse27 (<= 312 ~a23~0)) (.cse14 (<= 10 ~a25~0)) (.cse2 (<= ~a29~0 276)) (.cse12 (<= ~a23~0 137)) (.cse18 (<= ~a25~0 10)) (.cse4 (= ~a3~0 1)) (.cse17 (<= ~a23~0 138)) (.cse7 (= ~a4~0 1))) (let ((.cse15 (<= ~a29~0 599998)) (.cse10 (or (and .cse14 .cse2 .cse17 .cse7) (and .cse7 .cse12) (and .cse18 .cse4 .cse17 .cse7))) (.cse16 (<= 278 ~a29~0)) (.cse20 (<= (+ ~a29~0 320173) 0)) (.cse19 (= ~a25~0 9)) (.cse25 (<= ~a29~0 245)) (.cse23 (<= 13 ~a25~0)) (.cse8 (<= ~a23~0 312)) (.cse6 (<= 130 ~a29~0)) (.cse26 (<= ~a23~0 599999)) (.cse22 (let ((.cse28 (<= ~a29~0 130))) (or (and .cse14 .cse18 .cse7 .cse27 .cse28) (and .cse1 .cse7 .cse27 .cse28)))) (.cse9 (= ~a25~0 11)) (.cse11 (<= (+ 59274 ~a29~0) 0)) (.cse13 (<= ~a23~0 600000)) (.cse0 (or .cse24 (<= ~a23~0 306))) (.cse21 (<= ~a29~0 310110)) (.cse3 (= ~a4~0 0)) (.cse5 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse4 .cse7 .cse8 .cse5) (and .cse9 .cse10 .cse5) (and .cse3 .cse4 .cse5 .cse11 .cse12) (and .cse13 .cse0 .cse14 .cse9 .cse4 .cse7 .cse5) (and .cse1 .cse3 .cse15 .cse4 .cse5 .cse12) (and .cse3 .cse9 .cse16 .cse15 .cse4 .cse17 .cse5) (and .cse2 .cse18 .cse19 .cse4 .cse7 .cse5 .cse6) (and .cse10 .cse4 .cse5) (and .cse2 .cse3 .cse9 .cse4 .cse17 .cse5) (and .cse20 .cse3 .cse4 .cse17 .cse5) (and .cse3 .cse16 .cse18 .cse21 .cse4 .cse5 .cse12) (and .cse13 .cse4 .cse5 (or (and .cse18 (< 306 ~a23~0) .cse7) (and .cse14 .cse18 .cse7))) (and .cse4 .cse8 .cse5 .cse22 .cse6) (and .cse13 .cse14 .cse4 .cse7 .cse5 .cse23) (and .cse2 .cse24 .cse18 .cse25 .cse4 .cse7 .cse5) (and .cse1 .cse20 .cse3 .cse4 .cse5) (and .cse2 .cse26 .cse18 .cse19 .cse4 .cse7 .cse5) (and .cse14 .cse2 .cse24 .cse25 .cse4 .cse7 .cse5 .cse23) (and .cse2 .cse18 .cse4 .cse7 .cse8 .cse5 .cse6) (and (or (and .cse26 .cse5 .cse22) (and .cse13 .cse9 .cse7 .cse27 .cse5)) .cse4 .cse11) (and .cse13 .cse0 .cse1 .cse21 .cse4 .cse7 .cse5) (and (<= ~a29~0 140) .cse3 .cse18 .cse4 .cse17 .cse5)))) [2021-10-13 00:14:04,965 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,965 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-13 00:14:04,965 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-13 00:14:04,965 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,966 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,966 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,966 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,966 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,966 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,967 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-13 00:14:04,967 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-13 00:14:04,967 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-13 00:14:04,967 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-13 00:14:04,967 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,967 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,968 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,968 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,968 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,968 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,968 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,968 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-13 00:14:04,969 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-13 00:14:04,969 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-13 00:14:04,969 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,969 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,969 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,970 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,970 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,970 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,970 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,970 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,970 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,971 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-13 00:14:04,971 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-13 00:14:04,971 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-13 00:14:04,971 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,972 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse24 (< 140 ~a29~0)) (.cse1 (= ~a25~0 12)) (.cse27 (<= 312 ~a23~0)) (.cse14 (<= 10 ~a25~0)) (.cse2 (<= ~a29~0 276)) (.cse12 (<= ~a23~0 137)) (.cse18 (<= ~a25~0 10)) (.cse4 (= ~a3~0 1)) (.cse17 (<= ~a23~0 138)) (.cse7 (= ~a4~0 1))) (let ((.cse15 (<= ~a29~0 599998)) (.cse10 (or (and .cse14 .cse2 .cse17 .cse7) (and .cse7 .cse12) (and .cse18 .cse4 .cse17 .cse7))) (.cse16 (<= 278 ~a29~0)) (.cse20 (<= (+ ~a29~0 320173) 0)) (.cse19 (= ~a25~0 9)) (.cse25 (<= ~a29~0 245)) (.cse23 (<= 13 ~a25~0)) (.cse8 (<= ~a23~0 312)) (.cse6 (<= 130 ~a29~0)) (.cse26 (<= ~a23~0 599999)) (.cse22 (let ((.cse28 (<= ~a29~0 130))) (or (and .cse14 .cse18 .cse7 .cse27 .cse28) (and .cse1 .cse7 .cse27 .cse28)))) (.cse9 (= ~a25~0 11)) (.cse11 (<= (+ 59274 ~a29~0) 0)) (.cse13 (<= ~a23~0 600000)) (.cse0 (or .cse24 (<= ~a23~0 306))) (.cse21 (<= ~a29~0 310110)) (.cse3 (= ~a4~0 0)) (.cse5 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse4 .cse7 .cse8 .cse5) (and .cse9 .cse10 .cse5) (and .cse3 .cse4 .cse5 .cse11 .cse12) (and .cse13 .cse0 .cse14 .cse9 .cse4 .cse7 .cse5) (and .cse1 .cse3 .cse15 .cse4 .cse5 .cse12) (and .cse3 .cse9 .cse16 .cse15 .cse4 .cse17 .cse5) (and .cse2 .cse18 .cse19 .cse4 .cse7 .cse5 .cse6) (and .cse10 .cse4 .cse5) (and .cse2 .cse3 .cse9 .cse4 .cse17 .cse5) (and .cse20 .cse3 .cse4 .cse17 .cse5) (and .cse3 .cse16 .cse18 .cse21 .cse4 .cse5 .cse12) (and .cse13 .cse4 .cse5 (or (and .cse18 (< 306 ~a23~0) .cse7) (and .cse14 .cse18 .cse7))) (and .cse4 .cse8 .cse5 .cse22 .cse6) (and .cse13 .cse14 .cse4 .cse7 .cse5 .cse23) (and .cse2 .cse24 .cse18 .cse25 .cse4 .cse7 .cse5) (and .cse1 .cse20 .cse3 .cse4 .cse5) (and .cse2 .cse26 .cse18 .cse19 .cse4 .cse7 .cse5) (and .cse14 .cse2 .cse24 .cse25 .cse4 .cse7 .cse5 .cse23) (and .cse2 .cse18 .cse4 .cse7 .cse8 .cse5 .cse6) (and (or (and .cse26 .cse5 .cse22) (and .cse13 .cse9 .cse7 .cse27 .cse5)) .cse4 .cse11) (and .cse13 .cse0 .cse1 .cse21 .cse4 .cse7 .cse5) (and (<= ~a29~0 140) .cse3 .cse18 .cse4 .cse17 .cse5)))) [2021-10-13 00:14:04,972 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,972 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,972 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,972 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,973 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,973 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,973 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,973 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,973 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-13 00:14:04,973 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-13 00:14:04,974 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-13 00:14:04,974 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-13 00:14:04,974 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-13 00:14:04,974 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-13 00:14:04,974 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-13 00:14:04,974 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,974 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,974 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,974 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,975 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,975 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,975 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,975 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,975 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,975 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,975 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:14:04,975 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-13 00:14:04,975 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-13 00:14:04,975 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-13 00:14:04,975 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-13 00:14:04,975 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,976 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,976 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,976 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,976 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,976 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-13 00:14:04,976 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-13 00:14:04,976 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-13 00:14:04,976 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,976 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,976 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,977 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,977 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-13 00:14:04,977 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-13 00:14:04,977 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,977 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,977 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,977 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,977 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,977 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,977 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-13 00:14:04,977 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-13 00:14:04,978 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,978 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,978 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-13 00:14:04,978 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-13 00:14:04,978 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-13 00:14:04,978 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:14:04,978 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2021-10-13 00:14:04,978 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,978 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,978 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,978 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,979 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,979 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,979 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,979 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-13 00:14:04,979 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-13 00:14:04,979 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-13 00:14:04,979 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-13 00:14:04,979 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-13 00:14:04,979 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-13 00:14:04,980 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-13 00:14:04,980 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,980 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,980 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-13 00:14:04,980 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-13 00:14:04,980 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,980 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,980 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,980 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,980 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,981 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-13 00:14:04,981 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-13 00:14:04,981 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-13 00:14:04,981 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,981 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,981 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,981 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,981 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,981 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,981 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-13 00:14:04,981 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-13 00:14:04,982 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-13 00:14:04,982 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,982 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,982 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,982 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,982 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,982 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,982 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,982 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,982 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-13 00:14:04,982 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-13 00:14:04,982 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-13 00:14:04,983 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,983 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,983 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,983 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,983 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,983 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,983 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,983 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,983 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,983 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,983 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,983 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-13 00:14:04,984 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-13 00:14:04,984 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-13 00:14:04,984 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-13 00:14:04,984 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-13 00:14:04,984 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,984 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,984 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,984 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,984 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,984 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,984 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,984 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-13 00:14:04,985 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-13 00:14:04,985 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-13 00:14:04,985 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,985 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,985 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,985 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-13 00:14:04,985 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-13 00:14:04,985 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,985 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,985 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,985 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,985 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,986 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-13 00:14:04,986 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-13 00:14:04,986 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,986 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,986 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-13 00:14:04,986 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-13 00:14:04,986 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,986 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:14:04,986 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,987 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,987 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,987 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,987 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,987 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-13 00:14:04,987 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-13 00:14:04,987 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-13 00:14:04,987 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-13 00:14:04,987 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,987 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,987 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,987 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,988 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,988 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,988 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,988 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,988 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-13 00:14:04,988 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-13 00:14:04,988 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-13 00:14:04,988 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-13 00:14:04,988 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-13 00:14:04,989 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-13 00:14:04,989 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,989 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,989 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,989 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,989 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,990 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,990 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,991 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-13 00:14:04,991 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-13 00:14:04,991 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:14:04,991 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,991 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,991 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,992 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,992 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,992 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,992 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-13 00:14:04,992 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-13 00:14:04,993 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,993 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,993 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,993 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,993 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,993 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,994 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,994 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-13 00:14:04,994 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:14:04,994 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,994 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,994 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-13 00:14:04,995 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-13 00:14:04,995 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-13 00:14:04,995 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-13 00:14:04,999 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:14:05,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:14:05 BoogieIcfgContainer [2021-10-13 00:14:05,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:14:05,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:14:05,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:14:05,057 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:14:05,058 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:12:51" (3/4) ... [2021-10-13 00:14:05,061 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:14:05,096 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 00:14:05,099 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 00:14:05,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:14:05,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:14:05,272 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:14:05,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:14:05,274 INFO L168 Benchmark]: Toolchain (without parser) took 78024.16 ms. Allocated memory was 109.1 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 69.6 MB in the beginning and 542.1 MB in the end (delta: -472.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2021-10-13 00:14:05,275 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 109.1 MB. Free memory was 82.8 MB in the beginning and 82.8 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:14:05,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1177.66 ms. Allocated memory is still 109.1 MB. Free memory was 69.3 MB in the beginning and 50.8 MB in the end (delta: 18.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:05,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 292.77 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 50.8 MB in the beginning and 113.6 MB in the end (delta: -62.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:05,276 INFO L168 Benchmark]: Boogie Preprocessor took 172.18 ms. Allocated memory is still 151.0 MB. Free memory was 113.6 MB in the beginning and 104.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:05,277 INFO L168 Benchmark]: RCFGBuilder took 2223.39 ms. Allocated memory is still 151.0 MB. Free memory was 104.3 MB in the beginning and 101.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:05,277 INFO L168 Benchmark]: TraceAbstraction took 73932.65 ms. Allocated memory was 151.0 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 100.9 MB in the beginning and 567.5 MB in the end (delta: -466.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2021-10-13 00:14:05,278 INFO L168 Benchmark]: Witness Printer took 216.25 ms. Allocated memory is still 1.7 GB. Free memory was 567.5 MB in the beginning and 542.1 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:05,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 109.1 MB. Free memory was 82.8 MB in the beginning and 82.8 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1177.66 ms. Allocated memory is still 109.1 MB. Free memory was 69.3 MB in the beginning and 50.8 MB in the end (delta: 18.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 292.77 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 50.8 MB in the beginning and 113.6 MB in the end (delta: -62.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 172.18 ms. Allocated memory is still 151.0 MB. Free memory was 113.6 MB in the beginning and 104.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2223.39 ms. Allocated memory is still 151.0 MB. Free memory was 104.3 MB in the beginning and 101.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 73932.65 ms. Allocated memory was 151.0 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 100.9 MB in the beginning and 567.5 MB in the end (delta: -466.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Witness Printer took 216.25 ms. Allocated memory is still 1.7 GB. Free memory was 567.5 MB in the beginning and 542.1 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 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: 127]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 73800.3ms, OverallIterations: 30, TraceHistogramMax: 8, EmptinessCheckTime: 497.9ms, AutomataDifference: 36562.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 10678.7ms, InitialAbstractionConstructionTime: 20.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4540 SDtfs, 4870 SDslu, 713 SDs, 0 SdLazy, 20737 SolverSat, 3287 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26139.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2119 GetRequests, 2069 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 201.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=17777occurred in iteration=15, InterpolantAutomatonStates: 101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 6287.7ms AutomataMinimizationTime, 30 MinimizatonAttempts, 41530 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 127 NumberOfFragments, 1217 HoareAnnotationTreeSize, 3 FomulaSimplifications, 42810910 FormulaSimplificationTreeSizeReduction, 3906.1ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 14757992 FormulaSimplificationTreeSizeReductionInter, 6756.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 898.5ms SsaConstructionTime, 2501.2ms SatisfiabilityAnalysisTime, 13583.7ms InterpolantComputationTime, 15432 NumberOfCodeBlocks, 15432 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 15399 ConstructedInterpolants, 0 QuantifiedInterpolants, 39340 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2623 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 33 InterpolantComputations, 29 PerfectInterpolantSequences, 23962/25064 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: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((140 < a29 || a23 <= 306) && a25 == 12) && a29 <= 276) && a4 == 0) && a3 == 1) && a8 == 15) && 130 <= a29) || ((((((140 < a29 || a23 <= 306) && a25 == 12) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((a25 == 11 && (((((10 <= a25 && a29 <= 276) && a23 <= 138) && a4 == 1) || (a4 == 1 && a23 <= 137)) || (((a25 <= 10 && a3 == 1) && a23 <= 138) && a4 == 1))) && a8 == 15)) || ((((a4 == 0 && a3 == 1) && a8 == 15) && 59274 + a29 <= 0) && a23 <= 137)) || ((((((a23 <= 600000 && (140 < a29 || a23 <= 306)) && 10 <= a25) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && a4 == 0) && a29 <= 599998) && a3 == 1) && a8 == 15) && a23 <= 137)) || ((((((a4 == 0 && a25 == 11) && 278 <= a29) && a29 <= 599998) && a3 == 1) && a23 <= 138) && a8 == 15)) || ((((((a29 <= 276 && a25 <= 10) && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((((10 <= a25 && a29 <= 276) && a23 <= 138) && a4 == 1) || (a4 == 1 && a23 <= 137)) || (((a25 <= 10 && a3 == 1) && a23 <= 138) && a4 == 1)) && a3 == 1) && a8 == 15)) || (((((a29 <= 276 && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 138) && a8 == 15)) || ((((a29 + 320173 <= 0 && a4 == 0) && a3 == 1) && a23 <= 138) && a8 == 15)) || ((((((a4 == 0 && 278 <= a29) && a25 <= 10) && a29 <= 310110) && a3 == 1) && a8 == 15) && a23 <= 137)) || (((a23 <= 600000 && a3 == 1) && a8 == 15) && (((a25 <= 10 && 306 < a23) && a4 == 1) || ((10 <= a25 && a25 <= 10) && a4 == 1)))) || ((((a3 == 1 && a23 <= 312) && a8 == 15) && (((((10 <= a25 && a25 <= 10) && a4 == 1) && 312 <= a23) && a29 <= 130) || (((a25 == 12 && a4 == 1) && 312 <= a23) && a29 <= 130))) && 130 <= a29)) || (((((a23 <= 600000 && 10 <= a25) && a3 == 1) && a4 == 1) && a8 == 15) && 13 <= a25)) || ((((((a29 <= 276 && 140 < a29) && a25 <= 10) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((a25 == 12 && a29 + 320173 <= 0) && a4 == 0) && a3 == 1) && a8 == 15)) || ((((((a29 <= 276 && a23 <= 599999) && a25 <= 10) && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((10 <= a25 && a29 <= 276) && 140 < a29) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15) && 13 <= a25)) || ((((((a29 <= 276 && a25 <= 10) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || (((((a23 <= 599999 && a8 == 15) && (((((10 <= a25 && a25 <= 10) && a4 == 1) && 312 <= a23) && a29 <= 130) || (((a25 == 12 && a4 == 1) && 312 <= a23) && a29 <= 130))) || ((((a23 <= 600000 && a25 == 11) && a4 == 1) && 312 <= a23) && a8 == 15)) && a3 == 1) && 59274 + a29 <= 0)) || ((((((a23 <= 600000 && (140 < a29 || a23 <= 306)) && a25 == 12) && a29 <= 310110) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 140 && a4 == 0) && a25 <= 10) && a3 == 1) && a23 <= 138) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((140 < a29 || a23 <= 306) && a25 == 12) && a29 <= 276) && a4 == 0) && a3 == 1) && a8 == 15) && 130 <= a29) || ((((((140 < a29 || a23 <= 306) && a25 == 12) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((a25 == 11 && (((((10 <= a25 && a29 <= 276) && a23 <= 138) && a4 == 1) || (a4 == 1 && a23 <= 137)) || (((a25 <= 10 && a3 == 1) && a23 <= 138) && a4 == 1))) && a8 == 15)) || ((((a4 == 0 && a3 == 1) && a8 == 15) && 59274 + a29 <= 0) && a23 <= 137)) || ((((((a23 <= 600000 && (140 < a29 || a23 <= 306)) && 10 <= a25) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && a4 == 0) && a29 <= 599998) && a3 == 1) && a8 == 15) && a23 <= 137)) || ((((((a4 == 0 && a25 == 11) && 278 <= a29) && a29 <= 599998) && a3 == 1) && a23 <= 138) && a8 == 15)) || ((((((a29 <= 276 && a25 <= 10) && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((((10 <= a25 && a29 <= 276) && a23 <= 138) && a4 == 1) || (a4 == 1 && a23 <= 137)) || (((a25 <= 10 && a3 == 1) && a23 <= 138) && a4 == 1)) && a3 == 1) && a8 == 15)) || (((((a29 <= 276 && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 138) && a8 == 15)) || ((((a29 + 320173 <= 0 && a4 == 0) && a3 == 1) && a23 <= 138) && a8 == 15)) || ((((((a4 == 0 && 278 <= a29) && a25 <= 10) && a29 <= 310110) && a3 == 1) && a8 == 15) && a23 <= 137)) || (((a23 <= 600000 && a3 == 1) && a8 == 15) && (((a25 <= 10 && 306 < a23) && a4 == 1) || ((10 <= a25 && a25 <= 10) && a4 == 1)))) || ((((a3 == 1 && a23 <= 312) && a8 == 15) && (((((10 <= a25 && a25 <= 10) && a4 == 1) && 312 <= a23) && a29 <= 130) || (((a25 == 12 && a4 == 1) && 312 <= a23) && a29 <= 130))) && 130 <= a29)) || (((((a23 <= 600000 && 10 <= a25) && a3 == 1) && a4 == 1) && a8 == 15) && 13 <= a25)) || ((((((a29 <= 276 && 140 < a29) && a25 <= 10) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((a25 == 12 && a29 + 320173 <= 0) && a4 == 0) && a3 == 1) && a8 == 15)) || ((((((a29 <= 276 && a23 <= 599999) && a25 <= 10) && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((10 <= a25 && a29 <= 276) && 140 < a29) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15) && 13 <= a25)) || ((((((a29 <= 276 && a25 <= 10) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || (((((a23 <= 599999 && a8 == 15) && (((((10 <= a25 && a25 <= 10) && a4 == 1) && 312 <= a23) && a29 <= 130) || (((a25 == 12 && a4 == 1) && 312 <= a23) && a29 <= 130))) || ((((a23 <= 600000 && a25 == 11) && a4 == 1) && 312 <= a23) && a8 == 15)) && a3 == 1) && 59274 + a29 <= 0)) || ((((((a23 <= 600000 && (140 < a29 || a23 <= 306)) && a25 == 12) && a29 <= 310110) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 140 && a4 == 0) && a25 <= 10) && a3 == 1) && a23 <= 138) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:14:05,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9a61-e6d2-4fdd-bb04-abe123876faa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...