./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa --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 ad24518eb48bdb2cd9eb62c6c7c8e6761cdaf552ed2e2f0623280cf19933d94d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:12:56,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:12:56,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:12:56,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:12:56,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:12:56,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:12:56,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:12:56,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:12:56,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:12:56,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:12:56,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:12:56,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:12:56,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:12:56,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:12:56,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:12:56,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:12:56,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:12:56,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:12:56,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:12:56,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:12:56,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:12:56,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:12:56,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:12:56,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:12:56,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:12:56,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:12:56,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:12:56,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:12:56,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:12:56,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:12:56,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:12:56,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:12:56,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:12:56,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:12:56,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:12:56,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:12:56,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:12:56,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:12:56,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:12:56,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:12:56,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:12:56,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:12:56,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:12:56,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:12:56,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:12:56,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:12:56,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:12:56,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:12:56,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:12:56,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:12:56,448 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:12:56,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:12:56,448 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:12:56,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:12:56,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:12:56,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:12:56,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:12:56,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:12:56,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:12:56,449 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:12:56,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:12:56,450 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:12:56,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:12:56,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:12:56,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:12:56,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:12:56,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:12:56,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:12:56,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:12:56,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:12:56,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:12:56,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:12:56,451 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:12:56,451 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:12:56,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:12:56,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:12:56,451 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_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad24518eb48bdb2cd9eb62c6c7c8e6761cdaf552ed2e2f0623280cf19933d94d [2021-12-06 23:12:56,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:12:56,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:12:56,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:12:56,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:12:56,655 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:12:56,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem16_label11.c [2021-12-06 23:12:56,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/data/675967988/650aff12fec24fbe816ddc93a07db1a7/FLAGdd1ab4487 [2021-12-06 23:12:57,188 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:12:57,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/sv-benchmarks/c/eca-rers2012/Problem16_label11.c [2021-12-06 23:12:57,202 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/data/675967988/650aff12fec24fbe816ddc93a07db1a7/FLAGdd1ab4487 [2021-12-06 23:12:57,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/data/675967988/650aff12fec24fbe816ddc93a07db1a7 [2021-12-06 23:12:57,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:12:57,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:12:57,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:12:57,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:12:57,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:12:57,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:12:57" (1/1) ... [2021-12-06 23:12:57,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a534284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:57, skipping insertion in model container [2021-12-06 23:12:57,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:12:57" (1/1) ... [2021-12-06 23:12:57,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:12:57,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:12:57,976 WARN L230 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_7daabbde-59da-462a-8423-2c5a9d3e342e/sv-benchmarks/c/eca-rers2012/Problem16_label11.c[5798,5811] [2021-12-06 23:12:58,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:12:58,232 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:12:58,251 WARN L230 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_7daabbde-59da-462a-8423-2c5a9d3e342e/sv-benchmarks/c/eca-rers2012/Problem16_label11.c[5798,5811] [2021-12-06 23:12:58,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:12:58,404 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:12:58,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:58 WrapperNode [2021-12-06 23:12:58,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:12:58,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:12:58,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:12:58,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:12:58,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:58" (1/1) ... [2021-12-06 23:12:58,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:58" (1/1) ... [2021-12-06 23:12:58,520 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-12-06 23:12:58,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:12:58,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:12:58,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:12:58,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:12:58,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:58" (1/1) ... [2021-12-06 23:12:58,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:58" (1/1) ... [2021-12-06 23:12:58,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:58" (1/1) ... [2021-12-06 23:12:58,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:58" (1/1) ... [2021-12-06 23:12:58,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:58" (1/1) ... [2021-12-06 23:12:58,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:58" (1/1) ... [2021-12-06 23:12:58,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:58" (1/1) ... [2021-12-06 23:12:58,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:12:58,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:12:58,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:12:58,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:12:58,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:58" (1/1) ... [2021-12-06 23:12:58,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:12:58,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:12:58,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:12:58,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:12:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:12:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:12:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:12:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:12:58,749 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:12:58,750 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:13:00,196 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:13:00,206 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:13:00,206 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:13:00,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:13:00 BoogieIcfgContainer [2021-12-06 23:13:00,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:13:00,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:13:00,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:13:00,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:13:00,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:12:57" (1/3) ... [2021-12-06 23:13:00,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b99e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:13:00, skipping insertion in model container [2021-12-06 23:13:00,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:12:58" (2/3) ... [2021-12-06 23:13:00,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b99e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:13:00, skipping insertion in model container [2021-12-06 23:13:00,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:13:00" (3/3) ... [2021-12-06 23:13:00,214 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label11.c [2021-12-06 23:13:00,218 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:13:00,218 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:13:00,254 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:13:00,259 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-06 23:13:00,259 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:13:00,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:13:00,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-06 23:13:00,283 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:00,283 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:00,283 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:00,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:00,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1246856209, now seen corresponding path program 1 times [2021-12-06 23:13:00,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:00,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191956241] [2021-12-06 23:13:00,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:00,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:13:00,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:00,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191956241] [2021-12-06 23:13:00,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191956241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:00,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:00,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:13:00,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822748544] [2021-12-06 23:13:00,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:00,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:00,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:00,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:00,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:00,505 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 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) [2021-12-06 23:13:01,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:01,686 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2021-12-06 23:13:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:01,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 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 55 [2021-12-06 23:13:01,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:01,702 INFO L225 Difference]: With dead ends: 1122 [2021-12-06 23:13:01,702 INFO L226 Difference]: Without dead ends: 662 [2021-12-06 23:13:01,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:01,708 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 332 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:01,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [332 Valid, 254 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-06 23:13:01,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-12-06 23:13:01,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-12-06 23:13:01,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.518910741301059) internal successors, (1004), 661 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:13:01,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions. [2021-12-06 23:13:01,769 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 55 [2021-12-06 23:13:01,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:01,770 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions. [2021-12-06 23:13:01,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 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) [2021-12-06 23:13:01,770 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions. [2021-12-06 23:13:01,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-06 23:13:01,774 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:01,774 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:01,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:13:01,774 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:01,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:01,775 INFO L85 PathProgramCache]: Analyzing trace with hash 748383446, now seen corresponding path program 1 times [2021-12-06 23:13:01,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:01,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159499698] [2021-12-06 23:13:01,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:01,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:01,860 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:13:01,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:01,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159499698] [2021-12-06 23:13:01,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159499698] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:01,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:01,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:13:01,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038716617] [2021-12-06 23:13:01,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:01,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:01,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:01,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:01,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:01,863 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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) [2021-12-06 23:13:02,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:02,996 INFO L93 Difference]: Finished difference Result 1980 states and 3007 transitions. [2021-12-06 23:13:02,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:02,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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 123 [2021-12-06 23:13:02,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:03,002 INFO L225 Difference]: With dead ends: 1980 [2021-12-06 23:13:03,002 INFO L226 Difference]: Without dead ends: 1320 [2021-12-06 23:13:03,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:03,005 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 269 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:03,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 216 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-06 23:13:03,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-12-06 23:13:03,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-12-06 23:13:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.4564063684609552) internal successors, (1921), 1319 states have internal predecessors, (1921), 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) [2021-12-06 23:13:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1921 transitions. [2021-12-06 23:13:03,037 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1921 transitions. Word has length 123 [2021-12-06 23:13:03,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:03,037 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1921 transitions. [2021-12-06 23:13:03,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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) [2021-12-06 23:13:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1921 transitions. [2021-12-06 23:13:03,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-12-06 23:13:03,040 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:03,040 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:03,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:13:03,040 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:03,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:03,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1184773585, now seen corresponding path program 1 times [2021-12-06 23:13:03,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:03,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504621545] [2021-12-06 23:13:03,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:03,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:13:03,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:03,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504621545] [2021-12-06 23:13:03,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504621545] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:03,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:03,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:13:03,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329868468] [2021-12-06 23:13:03,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:03,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:03,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:03,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:03,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:03,128 INFO L87 Difference]: Start difference. First operand 1320 states and 1921 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 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) [2021-12-06 23:13:04,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:04,197 INFO L93 Difference]: Finished difference Result 3954 states and 5758 transitions. [2021-12-06 23:13:04,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:04,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 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 134 [2021-12-06 23:13:04,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:04,212 INFO L225 Difference]: With dead ends: 3954 [2021-12-06 23:13:04,212 INFO L226 Difference]: Without dead ends: 2636 [2021-12-06 23:13:04,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:04,216 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 369 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:04,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 155 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-06 23:13:04,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2021-12-06 23:13:04,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2021-12-06 23:13:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.3248576850094878) internal successors, (3491), 2635 states have internal predecessors, (3491), 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) [2021-12-06 23:13:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3491 transitions. [2021-12-06 23:13:04,279 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3491 transitions. Word has length 134 [2021-12-06 23:13:04,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:04,280 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3491 transitions. [2021-12-06 23:13:04,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 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) [2021-12-06 23:13:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3491 transitions. [2021-12-06 23:13:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-12-06 23:13:04,284 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:04,284 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:04,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:13:04,284 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:04,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:04,285 INFO L85 PathProgramCache]: Analyzing trace with hash -307424911, now seen corresponding path program 1 times [2021-12-06 23:13:04,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:04,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608001598] [2021-12-06 23:13:04,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:04,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:04,408 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:13:04,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:04,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608001598] [2021-12-06 23:13:04,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608001598] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:04,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:04,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:13:04,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363978197] [2021-12-06 23:13:04,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:04,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:04,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:04,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:04,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:04,411 INFO L87 Difference]: Start difference. First operand 2636 states and 3491 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 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) [2021-12-06 23:13:05,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:05,309 INFO L93 Difference]: Finished difference Result 6586 states and 8550 transitions. [2021-12-06 23:13:05,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:05,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 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 186 [2021-12-06 23:13:05,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:05,325 INFO L225 Difference]: With dead ends: 6586 [2021-12-06 23:13:05,325 INFO L226 Difference]: Without dead ends: 3952 [2021-12-06 23:13:05,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:05,329 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 278 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:05,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 83 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 23:13:05,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-12-06 23:13:05,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-12-06 23:13:05,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.2171602126044039) internal successors, (4809), 3951 states have internal predecessors, (4809), 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) [2021-12-06 23:13:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4809 transitions. [2021-12-06 23:13:05,405 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4809 transitions. Word has length 186 [2021-12-06 23:13:05,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:05,406 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4809 transitions. [2021-12-06 23:13:05,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 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) [2021-12-06 23:13:05,406 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4809 transitions. [2021-12-06 23:13:05,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-12-06 23:13:05,410 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:05,410 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:05,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:13:05,410 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:05,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:05,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1533751285, now seen corresponding path program 1 times [2021-12-06 23:13:05,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:05,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556450289] [2021-12-06 23:13:05,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:05,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:05,532 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:13:05,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:05,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556450289] [2021-12-06 23:13:05,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556450289] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:05,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:05,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:13:05,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327022149] [2021-12-06 23:13:05,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:05,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:05,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:05,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:05,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:05,534 INFO L87 Difference]: Start difference. First operand 3952 states and 4809 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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) [2021-12-06 23:13:06,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:06,489 INFO L93 Difference]: Finished difference Result 9547 states and 11836 transitions. [2021-12-06 23:13:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:06,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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 290 [2021-12-06 23:13:06,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:06,509 INFO L225 Difference]: With dead ends: 9547 [2021-12-06 23:13:06,509 INFO L226 Difference]: Without dead ends: 5597 [2021-12-06 23:13:06,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:06,514 INFO L933 BasicCegarLoop]: 589 mSDtfsCounter, 277 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:06,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 595 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 23:13:06,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-12-06 23:13:06,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-12-06 23:13:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.1801286633309507) internal successors, (6604), 5596 states have internal predecessors, (6604), 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) [2021-12-06 23:13:06,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6604 transitions. [2021-12-06 23:13:06,594 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6604 transitions. Word has length 290 [2021-12-06 23:13:06,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:06,595 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 6604 transitions. [2021-12-06 23:13:06,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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) [2021-12-06 23:13:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6604 transitions. [2021-12-06 23:13:06,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-12-06 23:13:06,598 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:06,598 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:06,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:13:06,599 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:06,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:06,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1401295250, now seen corresponding path program 1 times [2021-12-06 23:13:06,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:06,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211260808] [2021-12-06 23:13:06,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:06,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:13:06,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:06,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211260808] [2021-12-06 23:13:06,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211260808] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:06,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:06,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:13:06,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178708199] [2021-12-06 23:13:06,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:06,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:13:06,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:06,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:13:06,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:13:06,749 INFO L87 Difference]: Start difference. First operand 5597 states and 6604 transitions. Second operand has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2021-12-06 23:13:07,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:07,754 INFO L93 Difference]: Finished difference Result 11574 states and 13600 transitions. [2021-12-06 23:13:07,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:13:07,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 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 300 [2021-12-06 23:13:07,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:07,774 INFO L225 Difference]: With dead ends: 11574 [2021-12-06 23:13:07,774 INFO L226 Difference]: Without dead ends: 5979 [2021-12-06 23:13:07,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:13:07,778 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 175 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:07,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 371 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 23:13:07,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5979 states. [2021-12-06 23:13:07,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5979 to 5926. [2021-12-06 23:13:07,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5925 states have (on average 1.171139240506329) internal successors, (6939), 5925 states have internal predecessors, (6939), 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) [2021-12-06 23:13:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 6939 transitions. [2021-12-06 23:13:07,854 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 6939 transitions. Word has length 300 [2021-12-06 23:13:07,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:07,854 INFO L470 AbstractCegarLoop]: Abstraction has 5926 states and 6939 transitions. [2021-12-06 23:13:07,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2021-12-06 23:13:07,855 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 6939 transitions. [2021-12-06 23:13:07,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-12-06 23:13:07,859 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:07,859 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:07,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:13:07,860 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:07,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:07,860 INFO L85 PathProgramCache]: Analyzing trace with hash -113397764, now seen corresponding path program 1 times [2021-12-06 23:13:07,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:07,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035145761] [2021-12-06 23:13:07,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:07,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:13:08,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:08,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035145761] [2021-12-06 23:13:08,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035145761] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:08,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:08,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:13:08,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883053513] [2021-12-06 23:13:08,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:08,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:13:08,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:08,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:13:08,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:13:08,020 INFO L87 Difference]: Start difference. First operand 5926 states and 6939 transitions. Second operand has 7 states, 7 states have (on average 55.285714285714285) internal successors, (387), 6 states have internal predecessors, (387), 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) [2021-12-06 23:13:09,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:09,105 INFO L93 Difference]: Finished difference Result 11380 states and 13388 transitions. [2021-12-06 23:13:09,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:13:09,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 55.285714285714285) internal successors, (387), 6 states have internal predecessors, (387), 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 387 [2021-12-06 23:13:09,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:09,127 INFO L225 Difference]: With dead ends: 11380 [2021-12-06 23:13:09,127 INFO L226 Difference]: Without dead ends: 5597 [2021-12-06 23:13:09,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:13:09,132 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 380 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 1985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:09,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [380 Valid, 282 Invalid, 1985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-06 23:13:09,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-12-06 23:13:09,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-12-06 23:13:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0687991422444603) internal successors, (5981), 5596 states have internal predecessors, (5981), 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) [2021-12-06 23:13:09,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 5981 transitions. [2021-12-06 23:13:09,197 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 5981 transitions. Word has length 387 [2021-12-06 23:13:09,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:09,197 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 5981 transitions. [2021-12-06 23:13:09,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 55.285714285714285) internal successors, (387), 6 states have internal predecessors, (387), 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) [2021-12-06 23:13:09,198 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 5981 transitions. [2021-12-06 23:13:09,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-12-06 23:13:09,200 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:09,200 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:09,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 23:13:09,200 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:09,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:09,201 INFO L85 PathProgramCache]: Analyzing trace with hash -144449516, now seen corresponding path program 1 times [2021-12-06 23:13:09,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:09,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92233436] [2021-12-06 23:13:09,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:09,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-06 23:13:09,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:09,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92233436] [2021-12-06 23:13:09,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92233436] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:09,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:09,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:13:09,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129673709] [2021-12-06 23:13:09,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:09,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:09,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:09,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:09,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:09,302 INFO L87 Difference]: Start difference. First operand 5597 states and 5981 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2021-12-06 23:13:09,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:09,933 INFO L93 Difference]: Finished difference Result 12837 states and 13843 transitions. [2021-12-06 23:13:09,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:09,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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 [2021-12-06 23:13:09,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:09,954 INFO L225 Difference]: With dead ends: 12837 [2021-12-06 23:13:09,954 INFO L226 Difference]: Without dead ends: 7571 [2021-12-06 23:13:09,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:09,958 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 294 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:09,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 40 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 23:13:09,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2021-12-06 23:13:10,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7571. [2021-12-06 23:13:10,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7571 states, 7570 states have (on average 1.0738441215323646) internal successors, (8129), 7570 states have internal predecessors, (8129), 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) [2021-12-06 23:13:10,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 8129 transitions. [2021-12-06 23:13:10,036 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 8129 transitions. Word has length 394 [2021-12-06 23:13:10,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:10,037 INFO L470 AbstractCegarLoop]: Abstraction has 7571 states and 8129 transitions. [2021-12-06 23:13:10,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2021-12-06 23:13:10,038 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 8129 transitions. [2021-12-06 23:13:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2021-12-06 23:13:10,040 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:10,041 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:13:10,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 23:13:10,041 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:10,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:10,041 INFO L85 PathProgramCache]: Analyzing trace with hash 491283419, now seen corresponding path program 1 times [2021-12-06 23:13:10,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:10,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562806565] [2021-12-06 23:13:10,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:10,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-12-06 23:13:10,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:10,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562806565] [2021-12-06 23:13:10,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562806565] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:10,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:10,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:13:10,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811874649] [2021-12-06 23:13:10,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:10,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:10,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:10,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:10,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:10,197 INFO L87 Difference]: Start difference. First operand 7571 states and 8129 transitions. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2021-12-06 23:13:10,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:10,885 INFO L93 Difference]: Finished difference Result 16785 states and 18139 transitions. [2021-12-06 23:13:10,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:10,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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 448 [2021-12-06 23:13:10,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:10,896 INFO L225 Difference]: With dead ends: 16785 [2021-12-06 23:13:10,896 INFO L226 Difference]: Without dead ends: 9545 [2021-12-06 23:13:10,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:10,910 INFO L933 BasicCegarLoop]: 436 mSDtfsCounter, 279 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:10,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 442 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 23:13:10,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9545 states. [2021-12-06 23:13:11,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9545 to 9216. [2021-12-06 23:13:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 9215 states have (on average 1.0667390124796527) internal successors, (9830), 9215 states have internal predecessors, (9830), 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) [2021-12-06 23:13:11,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9830 transitions. [2021-12-06 23:13:11,018 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9830 transitions. Word has length 448 [2021-12-06 23:13:11,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:11,018 INFO L470 AbstractCegarLoop]: Abstraction has 9216 states and 9830 transitions. [2021-12-06 23:13:11,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2021-12-06 23:13:11,019 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9830 transitions. [2021-12-06 23:13:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-12-06 23:13:11,022 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:11,022 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:13:11,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 23:13:11,023 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:11,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:11,023 INFO L85 PathProgramCache]: Analyzing trace with hash -86315415, now seen corresponding path program 1 times [2021-12-06 23:13:11,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:11,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567249054] [2021-12-06 23:13:11,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:11,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2021-12-06 23:13:11,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:11,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567249054] [2021-12-06 23:13:11,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567249054] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:13:11,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133590672] [2021-12-06 23:13:11,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:11,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:13:11,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:13:11,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:13:11,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 23:13:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:11,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:13:11,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:13:11,893 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2021-12-06 23:13:11,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:13:11,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133590672] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:11,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:13:11,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-12-06 23:13:11,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978558611] [2021-12-06 23:13:11,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:11,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:11,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:11,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:11,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:13:11,896 INFO L87 Difference]: Start difference. First operand 9216 states and 9830 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:13:12,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:12,473 INFO L93 Difference]: Finished difference Result 11521 states and 12189 transitions. [2021-12-06 23:13:12,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:12,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 509 [2021-12-06 23:13:12,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:12,485 INFO L225 Difference]: With dead ends: 11521 [2021-12-06 23:13:12,485 INFO L226 Difference]: Without dead ends: 11519 [2021-12-06 23:13:12,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:13:12,488 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 116 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:12,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 83 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:13:12,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11519 states. [2021-12-06 23:13:12,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11519 to 9874. [2021-12-06 23:13:12,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9874 states, 9873 states have (on average 1.0646206826699078) internal successors, (10511), 9873 states have internal predecessors, (10511), 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) [2021-12-06 23:13:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9874 states to 9874 states and 10511 transitions. [2021-12-06 23:13:12,600 INFO L78 Accepts]: Start accepts. Automaton has 9874 states and 10511 transitions. Word has length 509 [2021-12-06 23:13:12,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:12,601 INFO L470 AbstractCegarLoop]: Abstraction has 9874 states and 10511 transitions. [2021-12-06 23:13:12,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:13:12,601 INFO L276 IsEmpty]: Start isEmpty. Operand 9874 states and 10511 transitions. [2021-12-06 23:13:12,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 858 [2021-12-06 23:13:12,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:12,616 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:12,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:13:12,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:13:12,817 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:12,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:12,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1259269283, now seen corresponding path program 1 times [2021-12-06 23:13:12,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:12,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648141688] [2021-12-06 23:13:12,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:12,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1372 backedges. 948 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2021-12-06 23:13:13,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:13,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648141688] [2021-12-06 23:13:13,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648141688] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:13,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:13,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:13:13,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636998040] [2021-12-06 23:13:13,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:13,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:13,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:13,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:13,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:13,052 INFO L87 Difference]: Start difference. First operand 9874 states and 10511 transitions. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:13:13,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:13,679 INFO L93 Difference]: Finished difference Result 19417 states and 20689 transitions. [2021-12-06 23:13:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:13,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 857 [2021-12-06 23:13:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:13,690 INFO L225 Difference]: With dead ends: 19417 [2021-12-06 23:13:13,690 INFO L226 Difference]: Without dead ends: 9874 [2021-12-06 23:13:13,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:13,697 INFO L933 BasicCegarLoop]: 429 mSDtfsCounter, 222 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:13,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 434 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 23:13:13,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9874 states. [2021-12-06 23:13:13,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9874 to 9216. [2021-12-06 23:13:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 9215 states have (on average 1.0460119370591427) internal successors, (9639), 9215 states have internal predecessors, (9639), 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) [2021-12-06 23:13:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9639 transitions. [2021-12-06 23:13:13,806 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9639 transitions. Word has length 857 [2021-12-06 23:13:13,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:13,807 INFO L470 AbstractCegarLoop]: Abstraction has 9216 states and 9639 transitions. [2021-12-06 23:13:13,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:13:13,807 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9639 transitions. [2021-12-06 23:13:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2021-12-06 23:13:13,817 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:13,818 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:13,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 23:13:13,818 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:13,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:13,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1436891218, now seen corresponding path program 1 times [2021-12-06 23:13:13,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:13,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549050611] [2021-12-06 23:13:13,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:13,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:14,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1376 backedges. 716 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2021-12-06 23:13:14,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:14,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549050611] [2021-12-06 23:13:14,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549050611] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:14,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:14,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:13:14,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161080185] [2021-12-06 23:13:14,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:14,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:14,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:14,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:14,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:14,033 INFO L87 Difference]: Start difference. First operand 9216 states and 9639 transitions. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 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) [2021-12-06 23:13:14,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:14,649 INFO L93 Difference]: Finished difference Result 18101 states and 18945 transitions. [2021-12-06 23:13:14,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:14,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 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 858 [2021-12-06 23:13:14,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:14,659 INFO L225 Difference]: With dead ends: 18101 [2021-12-06 23:13:14,659 INFO L226 Difference]: Without dead ends: 9216 [2021-12-06 23:13:14,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:14,666 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 211 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:14,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 38 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 23:13:14,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2021-12-06 23:13:14,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 9216. [2021-12-06 23:13:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 9215 states have (on average 1.0408030385241454) internal successors, (9591), 9215 states have internal predecessors, (9591), 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) [2021-12-06 23:13:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9591 transitions. [2021-12-06 23:13:14,755 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9591 transitions. Word has length 858 [2021-12-06 23:13:14,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:14,756 INFO L470 AbstractCegarLoop]: Abstraction has 9216 states and 9591 transitions. [2021-12-06 23:13:14,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 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) [2021-12-06 23:13:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9591 transitions. [2021-12-06 23:13:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2021-12-06 23:13:14,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:14,772 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:14,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 23:13:14,773 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:14,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:14,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1555969717, now seen corresponding path program 1 times [2021-12-06 23:13:14,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:14,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790653539] [2021-12-06 23:13:14,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:14,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:15,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 526 proven. 660 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2021-12-06 23:13:15,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:15,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790653539] [2021-12-06 23:13:15,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790653539] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:13:15,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236125179] [2021-12-06 23:13:15,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:15,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:13:15,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:13:15,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:13:15,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 23:13:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:15,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 1088 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:13:15,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:13:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2021-12-06 23:13:15,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:13:15,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236125179] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:15,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:13:15,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-06 23:13:15,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387964803] [2021-12-06 23:13:15,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:15,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:15,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:15,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:15,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:13:15,868 INFO L87 Difference]: Start difference. First operand 9216 states and 9591 transitions. Second operand has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 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) [2021-12-06 23:13:16,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:16,434 INFO L93 Difference]: Finished difference Result 18101 states and 18849 transitions. [2021-12-06 23:13:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:16,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 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 912 [2021-12-06 23:13:16,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:16,444 INFO L225 Difference]: With dead ends: 18101 [2021-12-06 23:13:16,444 INFO L226 Difference]: Without dead ends: 9216 [2021-12-06 23:13:16,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 916 GetRequests, 912 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:13:16,451 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 226 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:16,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 377 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:13:16,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2021-12-06 23:13:16,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 9216. [2021-12-06 23:13:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 9215 states have (on average 1.0359196961475854) internal successors, (9546), 9215 states have internal predecessors, (9546), 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) [2021-12-06 23:13:16,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9546 transitions. [2021-12-06 23:13:16,527 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9546 transitions. Word has length 912 [2021-12-06 23:13:16,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:16,528 INFO L470 AbstractCegarLoop]: Abstraction has 9216 states and 9546 transitions. [2021-12-06 23:13:16,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 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) [2021-12-06 23:13:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9546 transitions. [2021-12-06 23:13:16,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2021-12-06 23:13:16,540 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:16,540 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:16,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 23:13:16,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-06 23:13:16,742 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:16,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:16,743 INFO L85 PathProgramCache]: Analyzing trace with hash -350339014, now seen corresponding path program 1 times [2021-12-06 23:13:16,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:16,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422151816] [2021-12-06 23:13:16,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:16,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 828 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2021-12-06 23:13:17,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:17,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422151816] [2021-12-06 23:13:17,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422151816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:17,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:17,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:13:17,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61200938] [2021-12-06 23:13:17,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:17,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:17,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:17,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:17,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:17,004 INFO L87 Difference]: Start difference. First operand 9216 states and 9546 transitions. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2021-12-06 23:13:17,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:17,655 INFO L93 Difference]: Finished difference Result 18101 states and 18759 transitions. [2021-12-06 23:13:17,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:17,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 914 [2021-12-06 23:13:17,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:17,666 INFO L225 Difference]: With dead ends: 18101 [2021-12-06 23:13:17,666 INFO L226 Difference]: Without dead ends: 9216 [2021-12-06 23:13:17,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:17,673 INFO L933 BasicCegarLoop]: 427 mSDtfsCounter, 136 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:17,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 433 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 23:13:17,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2021-12-06 23:13:17,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 9216. [2021-12-06 23:13:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 9215 states have (on average 1.0279978296256105) internal successors, (9473), 9215 states have internal predecessors, (9473), 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) [2021-12-06 23:13:17,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9473 transitions. [2021-12-06 23:13:17,755 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9473 transitions. Word has length 914 [2021-12-06 23:13:17,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:17,756 INFO L470 AbstractCegarLoop]: Abstraction has 9216 states and 9473 transitions. [2021-12-06 23:13:17,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2021-12-06 23:13:17,756 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9473 transitions. [2021-12-06 23:13:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 929 [2021-12-06 23:13:17,769 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:17,770 INFO L514 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-06 23:13:17,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 23:13:17,770 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:17,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:17,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1265714498, now seen corresponding path program 1 times [2021-12-06 23:13:17,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:17,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469998513] [2021-12-06 23:13:17,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:17,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 789 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2021-12-06 23:13:18,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:18,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469998513] [2021-12-06 23:13:18,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469998513] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:18,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:18,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:13:18,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782440357] [2021-12-06 23:13:18,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:18,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:18,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:18,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:18,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:18,014 INFO L87 Difference]: Start difference. First operand 9216 states and 9473 transitions. Second operand has 3 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 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) [2021-12-06 23:13:18,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:18,617 INFO L93 Difference]: Finished difference Result 23036 states and 23718 transitions. [2021-12-06 23:13:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:18,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 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 928 [2021-12-06 23:13:18,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:18,625 INFO L225 Difference]: With dead ends: 23036 [2021-12-06 23:13:18,625 INFO L226 Difference]: Without dead ends: 12835 [2021-12-06 23:13:18,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:18,629 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 145 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:18,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 428 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:13:18,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12835 states. [2021-12-06 23:13:18,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12835 to 12506. [2021-12-06 23:13:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12506 states, 12505 states have (on average 1.0226309476209516) internal successors, (12788), 12505 states have internal predecessors, (12788), 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) [2021-12-06 23:13:18,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 12788 transitions. [2021-12-06 23:13:18,721 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 12788 transitions. Word has length 928 [2021-12-06 23:13:18,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:18,721 INFO L470 AbstractCegarLoop]: Abstraction has 12506 states and 12788 transitions. [2021-12-06 23:13:18,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 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) [2021-12-06 23:13:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 12788 transitions. [2021-12-06 23:13:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2021-12-06 23:13:18,739 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:18,740 INFO L514 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:13:18,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 23:13:18,740 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:18,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:18,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1950069927, now seen corresponding path program 1 times [2021-12-06 23:13:18,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:18,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560490999] [2021-12-06 23:13:18,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:18,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3043 backedges. 1693 proven. 0 refuted. 0 times theorem prover too weak. 1350 trivial. 0 not checked. [2021-12-06 23:13:19,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:19,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560490999] [2021-12-06 23:13:19,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560490999] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:19,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:19,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:13:19,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785646765] [2021-12-06 23:13:19,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:19,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:19,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:19,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:19,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:19,029 INFO L87 Difference]: Start difference. First operand 12506 states and 12788 transitions. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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) [2021-12-06 23:13:19,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:19,610 INFO L93 Difference]: Finished difference Result 25668 states and 26245 transitions. [2021-12-06 23:13:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:19,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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 1212 [2021-12-06 23:13:19,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:19,620 INFO L225 Difference]: With dead ends: 25668 [2021-12-06 23:13:19,620 INFO L226 Difference]: Without dead ends: 13493 [2021-12-06 23:13:19,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:19,625 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 225 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:19,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 438 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:13:19,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states. [2021-12-06 23:13:19,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13493. [2021-12-06 23:13:19,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0214942187963238) internal successors, (13782), 13492 states have internal predecessors, (13782), 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) [2021-12-06 23:13:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 13782 transitions. [2021-12-06 23:13:19,764 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 13782 transitions. Word has length 1212 [2021-12-06 23:13:19,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:19,764 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 13782 transitions. [2021-12-06 23:13:19,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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) [2021-12-06 23:13:19,764 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 13782 transitions. [2021-12-06 23:13:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1267 [2021-12-06 23:13:19,784 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:19,785 INFO L514 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:19,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 23:13:19,785 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:19,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:19,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1311347424, now seen corresponding path program 1 times [2021-12-06 23:13:19,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:19,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813476125] [2021-12-06 23:13:19,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:19,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3047 backedges. 1234 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2021-12-06 23:13:20,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:20,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813476125] [2021-12-06 23:13:20,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813476125] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:20,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:20,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:13:20,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808471429] [2021-12-06 23:13:20,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:20,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:13:20,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:20,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:13:20,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:20,118 INFO L87 Difference]: Start difference. First operand 13493 states and 13782 transitions. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2021-12-06 23:13:20,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:20,662 INFO L93 Difference]: Finished difference Result 29287 states and 29957 transitions. [2021-12-06 23:13:20,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:13:20,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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 1266 [2021-12-06 23:13:20,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:20,672 INFO L225 Difference]: With dead ends: 29287 [2021-12-06 23:13:20,672 INFO L226 Difference]: Without dead ends: 14151 [2021-12-06 23:13:20,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:13:20,678 INFO L933 BasicCegarLoop]: 407 mSDtfsCounter, 147 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:20,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 413 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:13:20,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-12-06 23:13:20,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 12177. [2021-12-06 23:13:20,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12177 states, 12176 states have (on average 1.0199572930354797) internal successors, (12419), 12176 states have internal predecessors, (12419), 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) [2021-12-06 23:13:20,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12177 states to 12177 states and 12419 transitions. [2021-12-06 23:13:20,784 INFO L78 Accepts]: Start accepts. Automaton has 12177 states and 12419 transitions. Word has length 1266 [2021-12-06 23:13:20,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:20,785 INFO L470 AbstractCegarLoop]: Abstraction has 12177 states and 12419 transitions. [2021-12-06 23:13:20,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2021-12-06 23:13:20,785 INFO L276 IsEmpty]: Start isEmpty. Operand 12177 states and 12419 transitions. [2021-12-06 23:13:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1360 [2021-12-06 23:13:20,803 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:20,804 INFO L514 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:20,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 23:13:20,804 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:20,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:20,805 INFO L85 PathProgramCache]: Analyzing trace with hash 456022747, now seen corresponding path program 1 times [2021-12-06 23:13:20,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:20,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099182056] [2021-12-06 23:13:20,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:20,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:21,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3199 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 2829 trivial. 0 not checked. [2021-12-06 23:13:21,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:21,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099182056] [2021-12-06 23:13:21,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099182056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:21,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:21,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:13:21,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95981465] [2021-12-06 23:13:21,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:21,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:13:21,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:21,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:13:21,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:13:21,188 INFO L87 Difference]: Start difference. First operand 12177 states and 12419 transitions. Second operand has 6 states, 6 states have (on average 58.166666666666664) internal successors, (349), 6 states have internal predecessors, (349), 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) [2021-12-06 23:13:21,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:21,858 INFO L93 Difference]: Finished difference Result 23753 states and 24231 transitions. [2021-12-06 23:13:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:13:21,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 58.166666666666664) internal successors, (349), 6 states have internal predecessors, (349), 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 1359 [2021-12-06 23:13:21,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:21,865 INFO L225 Difference]: With dead ends: 23753 [2021-12-06 23:13:21,866 INFO L226 Difference]: Without dead ends: 11848 [2021-12-06 23:13:21,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:13:21,871 INFO L933 BasicCegarLoop]: 429 mSDtfsCounter, 45 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:21,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 458 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 23:13:21,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2021-12-06 23:13:21,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11848. [2021-12-06 23:13:21,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.019667426352663) internal successors, (12080), 11847 states have internal predecessors, (12080), 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) [2021-12-06 23:13:21,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12080 transitions. [2021-12-06 23:13:21,975 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12080 transitions. Word has length 1359 [2021-12-06 23:13:21,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:21,976 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12080 transitions. [2021-12-06 23:13:21,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 58.166666666666664) internal successors, (349), 6 states have internal predecessors, (349), 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) [2021-12-06 23:13:21,976 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12080 transitions. [2021-12-06 23:13:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1806 [2021-12-06 23:13:22,015 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:13:22,016 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:22,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 23:13:22,017 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:13:22,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:13:22,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1073789857, now seen corresponding path program 1 times [2021-12-06 23:13:22,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:13:22,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166208572] [2021-12-06 23:13:22,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:13:22,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:13:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:13:22,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5683 backedges. 1728 proven. 0 refuted. 0 times theorem prover too weak. 3955 trivial. 0 not checked. [2021-12-06 23:13:22,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:13:22,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166208572] [2021-12-06 23:13:22,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166208572] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:13:22,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:13:22,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:13:22,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701905516] [2021-12-06 23:13:22,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:13:22,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:13:22,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:13:22,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:13:22,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:13:22,610 INFO L87 Difference]: Start difference. First operand 11848 states and 12080 transitions. Second operand has 4 states, 4 states have (on average 146.25) internal successors, (585), 4 states have internal predecessors, (585), 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) [2021-12-06 23:13:23,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:13:23,560 INFO L93 Difference]: Finished difference Result 27969 states and 28543 transitions. [2021-12-06 23:13:23,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:13:23,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 146.25) internal successors, (585), 4 states have internal predecessors, (585), 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 1805 [2021-12-06 23:13:23,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:13:23,562 INFO L225 Difference]: With dead ends: 27969 [2021-12-06 23:13:23,562 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 23:13:23,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:13:23,587 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 416 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:13:23,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [416 Valid, 39 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 23:13:23,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 23:13:23,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 23:13:23,587 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) [2021-12-06 23:13:23,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 23:13:23,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1805 [2021-12-06 23:13:23,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:13:23,588 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:13:23,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 146.25) internal successors, (585), 4 states have internal predecessors, (585), 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) [2021-12-06 23:13:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:13:23,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 23:13:23,590 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:13:23,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 23:13:23,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 23:13:26,633 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,633 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,633 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,633 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,634 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,635 INFO L858 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,636 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L854 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse0 (= ~a12~0 6)) (.cse10 (<= (+ ~a18~0 156) 0)) (.cse11 (<= 11 ~a16~0)) (.cse8 (= ~a12~0 9)) (.cse7 (= 5 ~a12~0)) (.cse13 (<= (+ 87 ~a18~0) 0)) (.cse1 (<= ~a16~0 11)) (.cse2 (= ~a15~0 3)) (.cse3 (= ~a16~0 9)) (.cse12 (= 7 ~a12~0)) (.cse6 (= ~a16~0 8)) (.cse4 (= ~a12~0 8)) (.cse9 (<= 0 (+ 154 ~a18~0))) (.cse5 (<= 4 ~a15~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2) (and .cse8 .cse3 .cse5) (and .cse8 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and .cse0 .cse9 .cse2) (and .cse6 .cse4 .cse10 .cse5) (and .cse0 .cse1 .cse5) (and .cse9 .cse7 .cse2) (and .cse4 .cse9 .cse2 .cse11) (and .cse6 .cse5 .cse12) (and (<= ~a12~0 5) .cse1 .cse5) (and .cse4 .cse10 .cse2 .cse11) (and .cse8 .cse6 .cse9 .cse5) (and .cse3 .cse7 .cse2) (and .cse6 .cse13 .cse1 .cse2 .cse12) (and (= ~a16~0 10) .cse4 .cse1 .cse2) (and .cse6 .cse4 .cse1 .cse2 (<= 567606 ~a18~0)) (and .cse3 .cse13 .cse1 .cse2 .cse12) (and .cse9 .cse2 .cse12) (and .cse3 .cse5 .cse12) (and .cse6 .cse4 .cse9 .cse5))) [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,637 INFO L858 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,638 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,639 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L854 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse0 (= ~a12~0 6)) (.cse11 (<= (+ ~a18~0 156) 0)) (.cse12 (<= 11 ~a16~0)) (.cse8 (= ~a12~0 9)) (.cse7 (= 5 ~a12~0)) (.cse1 (<= ~a16~0 11)) (.cse2 (= ~a15~0 3)) (.cse3 (= ~a16~0 9)) (.cse10 (= 7 ~a12~0)) (.cse6 (= ~a16~0 8)) (.cse4 (= ~a12~0 8)) (.cse9 (<= 0 (+ 154 ~a18~0))) (.cse5 (<= 4 ~a15~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2) (and .cse8 .cse3 .cse5) (and .cse8 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and .cse0 .cse9 .cse2) (and .cse6 .cse2 .cse10) (and .cse6 .cse4 .cse11 .cse5) (and .cse0 .cse1 .cse5) (and .cse9 .cse7 .cse2) (and .cse4 .cse9 .cse2 .cse12) (and .cse6 .cse5 .cse10) (and (<= ~a12~0 5) .cse1 .cse5) (and .cse4 .cse11 .cse2 .cse12) (and .cse8 .cse6 .cse9 .cse5) (and .cse3 .cse7 .cse2) (and .cse3 .cse2 .cse10) (and (= ~a16~0 10) .cse4 .cse1 .cse2) (and .cse6 .cse4 .cse1 .cse2 (<= 567606 ~a18~0)) (and .cse9 .cse2 .cse10) (and .cse3 .cse5 .cse10) (and .cse6 .cse4 .cse9 .cse5))) [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,640 INFO L858 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L861 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,641 INFO L858 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,642 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L854 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse0 (= ~a12~0 6)) (.cse10 (<= (+ ~a18~0 156) 0)) (.cse11 (<= 11 ~a16~0)) (.cse8 (= ~a12~0 9)) (.cse7 (= 5 ~a12~0)) (.cse13 (<= (+ 87 ~a18~0) 0)) (.cse1 (<= ~a16~0 11)) (.cse2 (= ~a15~0 3)) (.cse3 (= ~a16~0 9)) (.cse12 (= 7 ~a12~0)) (.cse6 (= ~a16~0 8)) (.cse4 (= ~a12~0 8)) (.cse9 (<= 0 (+ 154 ~a18~0))) (.cse5 (<= 4 ~a15~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2) (and .cse8 .cse3 .cse5) (and .cse8 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and .cse0 .cse9 .cse2) (and .cse6 .cse4 .cse10 .cse5) (and .cse0 .cse1 .cse5) (and .cse9 .cse7 .cse2) (and .cse4 .cse9 .cse2 .cse11) (and .cse6 .cse5 .cse12) (and (<= ~a12~0 5) .cse1 .cse5) (and .cse4 .cse10 .cse2 .cse11) (and .cse8 .cse6 .cse9 .cse5) (and .cse3 .cse7 .cse2) (and .cse6 .cse13 .cse1 .cse2 .cse12) (and (= ~a16~0 10) .cse4 .cse1 .cse2) (and .cse6 .cse4 .cse1 .cse2 (<= 567606 ~a18~0)) (and .cse3 .cse13 .cse1 .cse2 .cse12) (and .cse9 .cse2 .cse12) (and .cse3 .cse5 .cse12) (and .cse6 .cse4 .cse9 .cse5))) [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,643 INFO L858 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,644 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,645 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,646 INFO L858 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-06 23:13:26,647 INFO L858 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,648 INFO L858 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,649 INFO L858 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,650 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,651 INFO L858 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,651 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,651 INFO L858 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,651 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-06 23:13:26,651 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-06 23:13:26,651 INFO L858 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,651 INFO L858 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,651 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,651 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,654 INFO L858 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,655 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,656 INFO L858 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-12-06 23:13:26,657 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-06 23:13:26,657 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-06 23:13:26,657 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-06 23:13:26,659 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:13:26,660 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:13:26,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:13:26 BoogieIcfgContainer [2021-12-06 23:13:26,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:13:26,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:13:26,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:13:26,682 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:13:26,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:13:00" (3/4) ... [2021-12-06 23:13:26,685 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 23:13:26,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-06 23:13:26,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 23:13:26,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 23:13:26,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 23:13:26,850 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 23:13:26,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:13:26,851 INFO L158 Benchmark]: Toolchain (without parser) took 29132.71ms. Allocated memory was 100.7MB in the beginning and 1.0GB in the end (delta: 943.7MB). Free memory was 63.0MB in the beginning and 640.3MB in the end (delta: -577.3MB). Peak memory consumption was 366.2MB. Max. memory is 16.1GB. [2021-12-06 23:13:26,851 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 50.4MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:13:26,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 678.58ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 65.5MB in the end (delta: -2.8MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2021-12-06 23:13:26,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.17ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 41.9MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-06 23:13:26,852 INFO L158 Benchmark]: Boogie Preprocessor took 123.14ms. Allocated memory is still 100.7MB. Free memory was 41.9MB in the beginning and 51.3MB in the end (delta: -9.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-12-06 23:13:26,852 INFO L158 Benchmark]: RCFGBuilder took 1564.16ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 51.3MB in the beginning and 59.8MB in the end (delta: -8.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2021-12-06 23:13:26,852 INFO L158 Benchmark]: TraceAbstraction took 26472.11ms. Allocated memory was 138.4MB in the beginning and 1.0GB in the end (delta: 906.0MB). Free memory was 59.8MB in the beginning and 678.5MB in the end (delta: -618.7MB). Peak memory consumption was 733.7MB. Max. memory is 16.1GB. [2021-12-06 23:13:26,853 INFO L158 Benchmark]: Witness Printer took 168.50ms. Allocated memory is still 1.0GB. Free memory was 678.5MB in the beginning and 640.3MB in the end (delta: 38.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-06 23:13:26,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 50.4MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 678.58ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 65.5MB in the end (delta: -2.8MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.17ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 41.9MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.14ms. Allocated memory is still 100.7MB. Free memory was 41.9MB in the beginning and 51.3MB in the end (delta: -9.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1564.16ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 51.3MB in the beginning and 59.8MB in the end (delta: -8.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * TraceAbstraction took 26472.11ms. Allocated memory was 138.4MB in the beginning and 1.0GB in the end (delta: 906.0MB). Free memory was 59.8MB in the beginning and 678.5MB in the end (delta: -618.7MB). Peak memory consumption was 733.7MB. Max. memory is 16.1GB. * Witness Printer took 168.50ms. Allocated memory is still 1.0GB. Free memory was 678.5MB in the beginning and 640.3MB in the end (delta: 38.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 182]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.4s, OverallIterations: 19, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4542 SdHoareTripleChecker+Valid, 14.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4542 mSDsluCounter, 5579 SdHoareTripleChecker+Invalid, 11.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 3076 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17741 IncrementalHoareTripleChecker+Invalid, 20817 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3076 mSolverCounterUnsat, 5337 mSDtfsCounter, 17741 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1484 GetRequests, 1450 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13493occurred in iteration=16, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 19 MinimizatonAttempts, 4988 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 204 NumberOfFragments, 846 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1279 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 4 FomulaSimplificationsInter, 8065 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 14358 NumberOfCodeBlocks, 14358 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 14337 ConstructedInterpolants, 0 QuantifiedInterpolants, 32970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1702 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 21 InterpolantComputations, 19 PerfectInterpolantSequences, 24605/25301 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((a12 == 6 && a16 <= 11) && a15 == 3) || ((a16 == 9 && a12 == 8) && 4 <= a15)) || ((a16 == 8 && 5 == a12) && a15 == 3)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (a12 == 9 && a15 == 3)) || (((a16 == 9 && a12 == 8) && a16 <= 11) && a15 == 3)) || ((a12 == 6 && 0 <= 154 + a18) && a15 == 3)) || ((a16 == 8 && a15 == 3) && 7 == a12)) || (((a16 == 8 && a12 == 8) && a18 + 156 <= 0) && 4 <= a15)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || ((0 <= 154 + a18 && 5 == a12) && a15 == 3)) || (((a12 == 8 && 0 <= 154 + a18) && a15 == 3) && 11 <= a16)) || ((a16 == 8 && 4 <= a15) && 7 == a12)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || (((a12 == 8 && a18 + 156 <= 0) && a15 == 3) && 11 <= a16)) || (((a12 == 9 && a16 == 8) && 0 <= 154 + a18) && 4 <= a15)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || ((a16 == 9 && a15 == 3) && 7 == a12)) || (((a16 == 10 && a12 == 8) && a16 <= 11) && a15 == 3)) || ((((a16 == 8 && a12 == 8) && a16 <= 11) && a15 == 3) && 567606 <= a18)) || ((0 <= 154 + a18 && a15 == 3) && 7 == a12)) || ((a16 == 9 && 4 <= a15) && 7 == a12)) || (((a16 == 8 && a12 == 8) && 0 <= 154 + a18) && 4 <= a15) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((a12 == 6 && a16 <= 11) && a15 == 3) || ((a16 == 9 && a12 == 8) && 4 <= a15)) || ((a16 == 8 && 5 == a12) && a15 == 3)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (a12 == 9 && a15 == 3)) || (((a16 == 9 && a12 == 8) && a16 <= 11) && a15 == 3)) || ((a12 == 6 && 0 <= 154 + a18) && a15 == 3)) || (((a16 == 8 && a12 == 8) && a18 + 156 <= 0) && 4 <= a15)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || ((0 <= 154 + a18 && 5 == a12) && a15 == 3)) || (((a12 == 8 && 0 <= 154 + a18) && a15 == 3) && 11 <= a16)) || ((a16 == 8 && 4 <= a15) && 7 == a12)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || (((a12 == 8 && a18 + 156 <= 0) && a15 == 3) && 11 <= a16)) || (((a12 == 9 && a16 == 8) && 0 <= 154 + a18) && 4 <= a15)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || ((((a16 == 8 && 87 + a18 <= 0) && a16 <= 11) && a15 == 3) && 7 == a12)) || (((a16 == 10 && a12 == 8) && a16 <= 11) && a15 == 3)) || ((((a16 == 8 && a12 == 8) && a16 <= 11) && a15 == 3) && 567606 <= a18)) || ((((a16 == 9 && 87 + a18 <= 0) && a16 <= 11) && a15 == 3) && 7 == a12)) || ((0 <= 154 + a18 && a15 == 3) && 7 == a12)) || ((a16 == 9 && 4 <= a15) && 7 == a12)) || (((a16 == 8 && a12 == 8) && 0 <= 154 + a18) && 4 <= a15) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((a12 == 6 && a16 <= 11) && a15 == 3) || ((a16 == 9 && a12 == 8) && 4 <= a15)) || ((a16 == 8 && 5 == a12) && a15 == 3)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (a12 == 9 && a15 == 3)) || (((a16 == 9 && a12 == 8) && a16 <= 11) && a15 == 3)) || ((a12 == 6 && 0 <= 154 + a18) && a15 == 3)) || (((a16 == 8 && a12 == 8) && a18 + 156 <= 0) && 4 <= a15)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || ((0 <= 154 + a18 && 5 == a12) && a15 == 3)) || (((a12 == 8 && 0 <= 154 + a18) && a15 == 3) && 11 <= a16)) || ((a16 == 8 && 4 <= a15) && 7 == a12)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || (((a12 == 8 && a18 + 156 <= 0) && a15 == 3) && 11 <= a16)) || (((a12 == 9 && a16 == 8) && 0 <= 154 + a18) && 4 <= a15)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || ((((a16 == 8 && 87 + a18 <= 0) && a16 <= 11) && a15 == 3) && 7 == a12)) || (((a16 == 10 && a12 == 8) && a16 <= 11) && a15 == 3)) || ((((a16 == 8 && a12 == 8) && a16 <= 11) && a15 == 3) && 567606 <= a18)) || ((((a16 == 9 && 87 + a18 <= 0) && a16 <= 11) && a15 == 3) && 7 == a12)) || ((0 <= 154 + a18 && a15 == 3) && 7 == a12)) || ((a16 == 9 && 4 <= a15) && 7 == a12)) || (((a16 == 8 && a12 == 8) && 0 <= 154 + a18) && 4 <= a15) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 23:13:26,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7daabbde-59da-462a-8423-2c5a9d3e342e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE