./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY --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 b3a00e8e91353fe2867235d39a21deaf6e027bf890f337090cb073a769f36f77 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:00:06,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:00:06,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:00:06,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:00:06,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:00:06,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:00:06,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:00:06,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:00:06,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:00:06,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:00:06,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:00:06,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:00:06,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:00:06,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:00:06,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:00:06,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:00:06,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:00:06,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:00:06,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:00:06,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:00:06,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:00:06,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:00:06,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:00:06,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:00:06,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:00:06,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:00:06,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:00:06,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:00:06,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:00:06,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:00:06,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:00:06,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:00:06,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:00:06,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:00:06,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:00:06,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:00:06,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:00:06,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:00:06,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:00:06,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:00:06,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:00:06,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:00:06,374 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:00:06,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:00:06,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:00:06,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:00:06,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:00:06,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:00:06,376 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:00:06,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:00:06,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:00:06,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:00:06,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:00:06,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:00:06,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:00:06,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:00:06,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:00:06,378 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:00:06,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:00:06,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:00:06,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:00:06,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:00:06,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:00:06,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:00:06,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:00:06,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:00:06,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:00:06,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:00:06,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:00:06,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:00:06,381 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:00:06,381 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:00:06,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:00:06,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:00:06,382 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_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a00e8e91353fe2867235d39a21deaf6e027bf890f337090cb073a769f36f77 [2021-11-07 08:00:06,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:00:06,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:00:06,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:00:06,687 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:00:06,688 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:00:06,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/eca-rers2012/Problem16_label25.c [2021-11-07 08:00:06,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/data/f64d533a6/ae18f1834543428c8017a71e0acd8c42/FLAGfa8d68e59 [2021-11-07 08:00:07,349 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:00:07,352 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/sv-benchmarks/c/eca-rers2012/Problem16_label25.c [2021-11-07 08:00:07,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/data/f64d533a6/ae18f1834543428c8017a71e0acd8c42/FLAGfa8d68e59 [2021-11-07 08:00:07,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/data/f64d533a6/ae18f1834543428c8017a71e0acd8c42 [2021-11-07 08:00:07,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:00:07,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:00:07,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:00:07,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:00:07,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:00:07,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:00:07" (1/1) ... [2021-11-07 08:00:07,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2895e0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:07, skipping insertion in model container [2021-11-07 08:00:07,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:00:07" (1/1) ... [2021-11-07 08:00:07,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:00:07,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:00:07,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/sv-benchmarks/c/eca-rers2012/Problem16_label25.c[5318,5331] [2021-11-07 08:00:08,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:00:08,342 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:00:08,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/sv-benchmarks/c/eca-rers2012/Problem16_label25.c[5318,5331] [2021-11-07 08:00:08,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:00:08,617 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:00:08,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:08 WrapperNode [2021-11-07 08:00:08,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:00:08,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:00:08,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:00:08,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:00:08,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:08" (1/1) ... [2021-11-07 08:00:08,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:08" (1/1) ... [2021-11-07 08:00:08,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:00:08,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:00:08,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:00:08,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:00:08,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:08" (1/1) ... [2021-11-07 08:00:08,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:08" (1/1) ... [2021-11-07 08:00:08,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:08" (1/1) ... [2021-11-07 08:00:08,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:08" (1/1) ... [2021-11-07 08:00:08,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:08" (1/1) ... [2021-11-07 08:00:08,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:08" (1/1) ... [2021-11-07 08:00:08,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:08" (1/1) ... [2021-11-07 08:00:09,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:00:09,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:00:09,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:00:09,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:00:09,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:08" (1/1) ... [2021-11-07 08:00:09,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:00:09,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:00:09,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:00:09,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:00:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:00:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:00:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:00:09,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:00:11,664 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:00:11,665 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-07 08:00:11,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:00:11 BoogieIcfgContainer [2021-11-07 08:00:11,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:00:11,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:00:11,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:00:11,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:00:11,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:00:07" (1/3) ... [2021-11-07 08:00:11,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa70c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:00:11, skipping insertion in model container [2021-11-07 08:00:11,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:00:08" (2/3) ... [2021-11-07 08:00:11,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa70c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:00:11, skipping insertion in model container [2021-11-07 08:00:11,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:00:11" (3/3) ... [2021-11-07 08:00:11,678 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label25.c [2021-11-07 08:00:11,686 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:00:11,687 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 08:00:11,754 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:00:11,763 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 [2021-11-07 08:00:11,763 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 08:00:11,800 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) [2021-11-07 08:00:11,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 08:00:11,809 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:11,810 INFO L513 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] [2021-11-07 08:00:11,811 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:11,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:11,819 INFO L85 PathProgramCache]: Analyzing trace with hash 761214138, now seen corresponding path program 1 times [2021-11-07 08:00:11,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:11,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674180603] [2021-11-07 08:00:11,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:11,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:00:12,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:12,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674180603] [2021-11-07 08:00:12,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674180603] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:12,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:12,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:00:12,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377231515] [2021-11-07 08:00:12,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:12,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:12,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:12,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:12,180 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 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:14,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:14,649 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2021-11-07 08:00:14,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:14,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2021-11-07 08:00:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:14,677 INFO L225 Difference]: With dead ends: 1137 [2021-11-07 08:00:14,677 INFO L226 Difference]: Without dead ends: 662 [2021-11-07 08:00:14,682 INFO L786 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 [2021-11-07 08:00:14,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-11-07 08:00:14,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-11-07 08:00:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7004538577912254) internal successors, (1124), 661 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:14,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2021-11-07 08:00:14,802 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 50 [2021-11-07 08:00:14,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:14,803 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2021-11-07 08:00:14,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2021-11-07 08:00:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-07 08:00:14,817 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:14,818 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:14,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 08:00:14,819 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:14,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:14,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1369025113, now seen corresponding path program 1 times [2021-11-07 08:00:14,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:14,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105500740] [2021-11-07 08:00:14,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:14,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:00:15,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:15,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105500740] [2021-11-07 08:00:15,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105500740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:15,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:15,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:00:15,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920007034] [2021-11-07 08:00:15,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:15,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:15,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:15,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:15,052 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:16,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:16,983 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2021-11-07 08:00:16,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:16,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2021-11-07 08:00:16,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:16,993 INFO L225 Difference]: With dead ends: 1980 [2021-11-07 08:00:16,993 INFO L226 Difference]: Without dead ends: 1320 [2021-11-07 08:00:16,997 INFO L786 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 [2021-11-07 08:00:16,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-11-07 08:00:17,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-11-07 08:00:17,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.620166793025019) internal successors, (2137), 1319 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:17,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2021-11-07 08:00:17,045 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 116 [2021-11-07 08:00:17,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:17,046 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2021-11-07 08:00:17,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2021-11-07 08:00:17,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-07 08:00:17,048 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:17,049 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:17,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 08:00:17,049 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:17,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:17,050 INFO L85 PathProgramCache]: Analyzing trace with hash 73847739, now seen corresponding path program 1 times [2021-11-07 08:00:17,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:17,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510896574] [2021-11-07 08:00:17,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:17,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:17,155 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:00:17,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:17,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510896574] [2021-11-07 08:00:17,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510896574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:17,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:17,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:00:17,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903047934] [2021-11-07 08:00:17,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:17,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:17,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:17,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:17,158 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:18,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:18,700 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2021-11-07 08:00:18,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:18,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2021-11-07 08:00:18,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:18,713 INFO L225 Difference]: With dead ends: 3296 [2021-11-07 08:00:18,714 INFO L226 Difference]: Without dead ends: 1978 [2021-11-07 08:00:18,716 INFO L786 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 [2021-11-07 08:00:18,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-11-07 08:00:18,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-11-07 08:00:18,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.3323216995447649) internal successors, (2634), 1977 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:18,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2021-11-07 08:00:18,774 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 117 [2021-11-07 08:00:18,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:18,776 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2021-11-07 08:00:18,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:18,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2021-11-07 08:00:18,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-07 08:00:18,780 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:18,781 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:18,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 08:00:18,782 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:18,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:18,783 INFO L85 PathProgramCache]: Analyzing trace with hash -41347243, now seen corresponding path program 1 times [2021-11-07 08:00:18,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:18,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423004357] [2021-11-07 08:00:18,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:18,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:00:19,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:19,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423004357] [2021-11-07 08:00:19,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423004357] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:19,035 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:19,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:00:19,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932666952] [2021-11-07 08:00:19,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:19,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:19,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:19,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:19,039 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 2 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:20,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:20,580 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2021-11-07 08:00:20,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:20,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 2 states have internal predecessors, (209), 0 states have call successors, (0), 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 209 [2021-11-07 08:00:20,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:20,604 INFO L225 Difference]: With dead ends: 5928 [2021-11-07 08:00:20,604 INFO L226 Difference]: Without dead ends: 3952 [2021-11-07 08:00:20,608 INFO L786 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 [2021-11-07 08:00:20,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-11-07 08:00:20,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-11-07 08:00:20,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.216400911161731) internal successors, (4806), 3951 states have internal predecessors, (4806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:20,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2021-11-07 08:00:20,711 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 209 [2021-11-07 08:00:20,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:20,712 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2021-11-07 08:00:20,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 2 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:20,713 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2021-11-07 08:00:20,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-07 08:00:20,718 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:20,719 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:20,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 08:00:20,719 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:20,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:20,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1563186754, now seen corresponding path program 1 times [2021-11-07 08:00:20,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:20,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732529295] [2021-11-07 08:00:20,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:20,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:00:21,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:21,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732529295] [2021-11-07 08:00:21,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732529295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:21,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:21,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:21,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524886410] [2021-11-07 08:00:21,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:00:21,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:21,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:00:21,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:00:21,058 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand has 4 states, 4 states have (on average 73.75) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:22,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:22,718 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2021-11-07 08:00:22,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:00:22,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 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 295 [2021-11-07 08:00:22,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:22,743 INFO L225 Difference]: With dead ends: 8269 [2021-11-07 08:00:22,743 INFO L226 Difference]: Without dead ends: 4319 [2021-11-07 08:00:22,748 INFO L786 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 [2021-11-07 08:00:22,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2021-11-07 08:00:22,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2021-11-07 08:00:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.2011682242990653) internal successors, (5141), 4280 states have internal predecessors, (5141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:22,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2021-11-07 08:00:22,875 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 295 [2021-11-07 08:00:22,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:22,876 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2021-11-07 08:00:22,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2021-11-07 08:00:22,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-11-07 08:00:22,886 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:22,886 INFO L513 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-07 08:00:22,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 08:00:22,887 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:22,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:22,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1803491121, now seen corresponding path program 1 times [2021-11-07 08:00:22,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:22,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101123172] [2021-11-07 08:00:22,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:22,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:23,160 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:00:23,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:23,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101123172] [2021-11-07 08:00:23,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101123172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:23,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:23,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 08:00:23,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471984991] [2021-11-07 08:00:23,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 08:00:23,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:23,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 08:00:23,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:00:23,167 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand has 7 states, 7 states have (on average 54.57142857142857) internal successors, (382), 6 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:25,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:25,156 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2021-11-07 08:00:25,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 08:00:25,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 54.57142857142857) internal successors, (382), 6 states have internal predecessors, (382), 0 states have call successors, (0), 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 382 [2021-11-07 08:00:25,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:25,178 INFO L225 Difference]: With dead ends: 8090 [2021-11-07 08:00:25,178 INFO L226 Difference]: Without dead ends: 3952 [2021-11-07 08:00:25,183 INFO L786 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 [2021-11-07 08:00:25,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-11-07 08:00:25,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-11-07 08:00:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0802328524424196) internal successors, (4268), 3951 states have internal predecessors, (4268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2021-11-07 08:00:25,268 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 382 [2021-11-07 08:00:25,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:25,269 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2021-11-07 08:00:25,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.57142857142857) internal successors, (382), 6 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:25,270 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2021-11-07 08:00:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-11-07 08:00:25,277 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:25,278 INFO L513 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-07 08:00:25,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 08:00:25,278 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:25,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:25,279 INFO L85 PathProgramCache]: Analyzing trace with hash -231398281, now seen corresponding path program 1 times [2021-11-07 08:00:25,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:25,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288139089] [2021-11-07 08:00:25,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:25,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:25,436 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-07 08:00:25,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:25,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288139089] [2021-11-07 08:00:25,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288139089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:25,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:25,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:25,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639645697] [2021-11-07 08:00:25,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:25,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:25,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:25,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:25,440 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:26,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:26,666 INFO L93 Difference]: Finished difference Result 9218 states and 10060 transitions. [2021-11-07 08:00:26,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:26,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 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 389 [2021-11-07 08:00:26,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:26,696 INFO L225 Difference]: With dead ends: 9218 [2021-11-07 08:00:26,697 INFO L226 Difference]: Without dead ends: 5597 [2021-11-07 08:00:26,701 INFO L786 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 [2021-11-07 08:00:26,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-11-07 08:00:26,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-11-07 08:00:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0748749106504647) internal successors, (6015), 5596 states have internal predecessors, (6015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:26,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6015 transitions. [2021-11-07 08:00:26,821 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6015 transitions. Word has length 389 [2021-11-07 08:00:26,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:26,822 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 6015 transitions. [2021-11-07 08:00:26,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:26,823 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6015 transitions. [2021-11-07 08:00:26,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2021-11-07 08:00:26,832 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:26,833 INFO L513 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-07 08:00:26,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 08:00:26,834 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:26,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:26,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1427750056, now seen corresponding path program 1 times [2021-11-07 08:00:26,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:26,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86522505] [2021-11-07 08:00:26,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:26,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:27,032 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:00:27,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:27,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86522505] [2021-11-07 08:00:27,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86522505] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:27,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:27,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:27,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431945819] [2021-11-07 08:00:27,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:27,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:27,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:27,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:27,037 INFO L87 Difference]: Start difference. First operand 5597 states and 6015 transitions. Second operand has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:28,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:28,044 INFO L93 Difference]: Finished difference Result 10863 states and 11697 transitions. [2021-11-07 08:00:28,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:28,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 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 444 [2021-11-07 08:00:28,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:28,075 INFO L225 Difference]: With dead ends: 10863 [2021-11-07 08:00:28,075 INFO L226 Difference]: Without dead ends: 5597 [2021-11-07 08:00:28,080 INFO L786 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 [2021-11-07 08:00:28,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-11-07 08:00:28,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-11-07 08:00:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0620085775553967) internal successors, (5943), 5596 states have internal predecessors, (5943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 5943 transitions. [2021-11-07 08:00:28,189 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 5943 transitions. Word has length 444 [2021-11-07 08:00:28,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:28,190 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 5943 transitions. [2021-11-07 08:00:28,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 5943 transitions. [2021-11-07 08:00:28,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-11-07 08:00:28,206 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:28,207 INFO L513 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-07 08:00:28,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 08:00:28,207 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:28,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:28,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1390777810, now seen corresponding path program 1 times [2021-11-07 08:00:28,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:28,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925110948] [2021-11-07 08:00:28,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:28,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:00:28,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:28,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925110948] [2021-11-07 08:00:28,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925110948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:28,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:28,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:28,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814131344] [2021-11-07 08:00:28,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:00:28,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:28,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:00:28,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:00:28,449 INFO L87 Difference]: Start difference. First operand 5597 states and 5943 transitions. Second operand has 4 states, 4 states have (on average 132.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:30,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:30,363 INFO L93 Difference]: Finished difference Result 16458 states and 17513 transitions. [2021-11-07 08:00:30,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:00:30,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 132.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 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 528 [2021-11-07 08:00:30,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:30,405 INFO L225 Difference]: With dead ends: 16458 [2021-11-07 08:00:30,412 INFO L226 Difference]: Without dead ends: 11192 [2021-11-07 08:00:30,420 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:00:30,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11192 states. [2021-11-07 08:00:30,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11192 to 10861. [2021-11-07 08:00:30,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 10860 states have (on average 1.0593001841620626) internal successors, (11504), 10860 states have internal predecessors, (11504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:30,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11504 transitions. [2021-11-07 08:00:30,641 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11504 transitions. Word has length 528 [2021-11-07 08:00:30,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:30,642 INFO L470 AbstractCegarLoop]: Abstraction has 10861 states and 11504 transitions. [2021-11-07 08:00:30,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 132.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11504 transitions. [2021-11-07 08:00:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-11-07 08:00:30,649 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:30,650 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:30,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 08:00:30,651 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:30,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:30,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1785151480, now seen corresponding path program 1 times [2021-11-07 08:00:30,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:30,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977209705] [2021-11-07 08:00:30,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:30,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-07 08:00:30,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:30,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977209705] [2021-11-07 08:00:30,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977209705] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:30,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:30,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:30,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645097361] [2021-11-07 08:00:30,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:30,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:30,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:30,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:30,887 INFO L87 Difference]: Start difference. First operand 10861 states and 11504 transitions. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:32,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:32,111 INFO L93 Difference]: Finished difference Result 24023 states and 25475 transitions. [2021-11-07 08:00:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:32,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 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 548 [2021-11-07 08:00:32,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:32,141 INFO L225 Difference]: With dead ends: 24023 [2021-11-07 08:00:32,141 INFO L226 Difference]: Without dead ends: 13822 [2021-11-07 08:00:32,154 INFO L786 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 [2021-11-07 08:00:32,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-11-07 08:00:32,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13164. [2021-11-07 08:00:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.055306541062068) internal successors, (13891), 13163 states have internal predecessors, (13891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:32,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13891 transitions. [2021-11-07 08:00:32,408 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13891 transitions. Word has length 548 [2021-11-07 08:00:32,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:32,409 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13891 transitions. [2021-11-07 08:00:32,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:32,410 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13891 transitions. [2021-11-07 08:00:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2021-11-07 08:00:32,418 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:32,419 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:32,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 08:00:32,420 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:32,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:32,421 INFO L85 PathProgramCache]: Analyzing trace with hash -131073, now seen corresponding path program 1 times [2021-11-07 08:00:32,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:32,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181937449] [2021-11-07 08:00:32,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:32,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 568 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-07 08:00:32,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:32,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181937449] [2021-11-07 08:00:32,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181937449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:32,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:32,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:32,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348717423] [2021-11-07 08:00:32,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:00:32,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:32,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:00:32,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:00:32,751 INFO L87 Difference]: Start difference. First operand 13164 states and 13891 transitions. Second operand has 4 states, 4 states have (on average 138.75) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:34,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:34,056 INFO L93 Difference]: Finished difference Result 25668 states and 27112 transitions. [2021-11-07 08:00:34,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:34,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 138.75) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 602 [2021-11-07 08:00:34,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:34,084 INFO L225 Difference]: With dead ends: 25668 [2021-11-07 08:00:34,084 INFO L226 Difference]: Without dead ends: 13164 [2021-11-07 08:00:34,098 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:00:34,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-11-07 08:00:34,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-11-07 08:00:34,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0550026589683204) internal successors, (13887), 13163 states have internal predecessors, (13887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:34,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13887 transitions. [2021-11-07 08:00:34,365 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13887 transitions. Word has length 602 [2021-11-07 08:00:34,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:34,366 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13887 transitions. [2021-11-07 08:00:34,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 138.75) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:34,366 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13887 transitions. [2021-11-07 08:00:34,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2021-11-07 08:00:34,375 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:34,376 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:34,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 08:00:34,377 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:34,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:34,378 INFO L85 PathProgramCache]: Analyzing trace with hash -279212467, now seen corresponding path program 1 times [2021-11-07 08:00:34,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:34,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671881805] [2021-11-07 08:00:34,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:34,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2021-11-07 08:00:34,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:34,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671881805] [2021-11-07 08:00:34,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671881805] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:34,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:34,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:34,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473984228] [2021-11-07 08:00:34,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:34,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:34,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:34,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:34,660 INFO L87 Difference]: Start difference. First operand 13164 states and 13887 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:35,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:35,607 INFO L93 Difference]: Finished difference Result 25668 states and 27108 transitions. [2021-11-07 08:00:35,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:35,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 663 [2021-11-07 08:00:35,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:35,636 INFO L225 Difference]: With dead ends: 25668 [2021-11-07 08:00:35,636 INFO L226 Difference]: Without dead ends: 13164 [2021-11-07 08:00:35,651 INFO L786 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 [2021-11-07 08:00:35,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-11-07 08:00:35,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 11848. [2021-11-07 08:00:35,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.052924791086351) internal successors, (12474), 11847 states have internal predecessors, (12474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:35,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12474 transitions. [2021-11-07 08:00:35,844 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12474 transitions. Word has length 663 [2021-11-07 08:00:35,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:35,847 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12474 transitions. [2021-11-07 08:00:35,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12474 transitions. [2021-11-07 08:00:35,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2021-11-07 08:00:35,864 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:35,866 INFO L513 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:35,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 08:00:35,867 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:35,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:35,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1028058416, now seen corresponding path program 1 times [2021-11-07 08:00:35,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:35,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513929169] [2021-11-07 08:00:35,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:35,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:36,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 925 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-11-07 08:00:36,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:36,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513929169] [2021-11-07 08:00:36,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513929169] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:36,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:36,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:36,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089875072] [2021-11-07 08:00:36,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:36,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:36,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:36,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:36,262 INFO L87 Difference]: Start difference. First operand 11848 states and 12474 transitions. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:37,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:37,185 INFO L93 Difference]: Finished difference Result 25997 states and 27429 transitions. [2021-11-07 08:00:37,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:37,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 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 852 [2021-11-07 08:00:37,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:37,217 INFO L225 Difference]: With dead ends: 25997 [2021-11-07 08:00:37,217 INFO L226 Difference]: Without dead ends: 14809 [2021-11-07 08:00:37,226 INFO L786 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 [2021-11-07 08:00:37,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2021-11-07 08:00:37,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14151. [2021-11-07 08:00:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0501766784452298) internal successors, (14860), 14150 states have internal predecessors, (14860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:37,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14860 transitions. [2021-11-07 08:00:37,429 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14860 transitions. Word has length 852 [2021-11-07 08:00:37,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:37,430 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14860 transitions. [2021-11-07 08:00:37,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14860 transitions. [2021-11-07 08:00:37,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 862 [2021-11-07 08:00:37,448 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:37,449 INFO L513 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:37,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 08:00:37,449 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:37,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:37,450 INFO L85 PathProgramCache]: Analyzing trace with hash 713403652, now seen corresponding path program 1 times [2021-11-07 08:00:37,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:37,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979453429] [2021-11-07 08:00:37,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:37,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2021-11-07 08:00:37,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:37,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979453429] [2021-11-07 08:00:37,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979453429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:37,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:37,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:37,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211757234] [2021-11-07 08:00:37,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:37,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:37,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:37,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:37,871 INFO L87 Difference]: Start difference. First operand 14151 states and 14860 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:38,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:38,879 INFO L93 Difference]: Finished difference Result 33564 states and 35371 transitions. [2021-11-07 08:00:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:38,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 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 861 [2021-11-07 08:00:38,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:38,909 INFO L225 Difference]: With dead ends: 33564 [2021-11-07 08:00:38,909 INFO L226 Difference]: Without dead ends: 17770 [2021-11-07 08:00:38,920 INFO L786 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 [2021-11-07 08:00:38,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-11-07 08:00:39,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17112. [2021-11-07 08:00:39,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0403833791128514) internal successors, (17802), 17111 states have internal predecessors, (17802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17802 transitions. [2021-11-07 08:00:39,239 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17802 transitions. Word has length 861 [2021-11-07 08:00:39,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:39,240 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17802 transitions. [2021-11-07 08:00:39,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17802 transitions. [2021-11-07 08:00:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1078 [2021-11-07 08:00:39,265 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:39,266 INFO L513 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, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:39,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 08:00:39,267 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:39,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:39,268 INFO L85 PathProgramCache]: Analyzing trace with hash -723490929, now seen corresponding path program 1 times [2021-11-07 08:00:39,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:39,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155489754] [2021-11-07 08:00:39,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:39,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:39,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 996 proven. 0 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2021-11-07 08:00:39,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:39,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155489754] [2021-11-07 08:00:39,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155489754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:39,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:39,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:39,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113068901] [2021-11-07 08:00:39,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:39,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:39,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:39,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:39,940 INFO L87 Difference]: Start difference. First operand 17112 states and 17802 transitions. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:40,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:40,892 INFO L93 Difference]: Finished difference Result 33564 states and 34938 transitions. [2021-11-07 08:00:40,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:40,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 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 1077 [2021-11-07 08:00:40,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:40,922 INFO L225 Difference]: With dead ends: 33564 [2021-11-07 08:00:40,923 INFO L226 Difference]: Without dead ends: 17112 [2021-11-07 08:00:40,934 INFO L786 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 [2021-11-07 08:00:40,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-11-07 08:00:41,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2021-11-07 08:00:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0383379112851383) internal successors, (17767), 17111 states have internal predecessors, (17767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:41,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17767 transitions. [2021-11-07 08:00:41,239 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17767 transitions. Word has length 1077 [2021-11-07 08:00:41,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:41,241 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17767 transitions. [2021-11-07 08:00:41,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:41,241 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17767 transitions. [2021-11-07 08:00:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1080 [2021-11-07 08:00:41,263 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:41,264 INFO L513 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:41,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 08:00:41,265 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:41,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:41,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1449834699, now seen corresponding path program 1 times [2021-11-07 08:00:41,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:41,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952860510] [2021-11-07 08:00:41,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:41,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1676 backedges. 899 proven. 0 refuted. 0 times theorem prover too weak. 777 trivial. 0 not checked. [2021-11-07 08:00:41,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:41,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952860510] [2021-11-07 08:00:41,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952860510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:41,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:41,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:41,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168740053] [2021-11-07 08:00:41,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:41,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:41,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:41,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:41,823 INFO L87 Difference]: Start difference. First operand 17112 states and 17767 transitions. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:42,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:42,976 INFO L93 Difference]: Finished difference Result 33564 states and 34868 transitions. [2021-11-07 08:00:42,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:42,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1079 [2021-11-07 08:00:42,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:43,005 INFO L225 Difference]: With dead ends: 33564 [2021-11-07 08:00:43,005 INFO L226 Difference]: Without dead ends: 17112 [2021-11-07 08:00:43,016 INFO L786 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 [2021-11-07 08:00:43,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-11-07 08:00:43,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2021-11-07 08:00:43,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0332534626848227) internal successors, (17680), 17111 states have internal predecessors, (17680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17680 transitions. [2021-11-07 08:00:43,257 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17680 transitions. Word has length 1079 [2021-11-07 08:00:43,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:43,259 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17680 transitions. [2021-11-07 08:00:43,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17680 transitions. [2021-11-07 08:00:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1135 [2021-11-07 08:00:43,284 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:43,286 INFO L513 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-07 08:00:43,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 08:00:43,286 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:43,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:43,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1714657460, now seen corresponding path program 1 times [2021-11-07 08:00:43,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:43,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238764524] [2021-11-07 08:00:43,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:43,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:43,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2547 backedges. 1790 proven. 0 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2021-11-07 08:00:43,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:43,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238764524] [2021-11-07 08:00:43,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238764524] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:43,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:43,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:43,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780463074] [2021-11-07 08:00:43,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:43,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:43,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:43,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:43,789 INFO L87 Difference]: Start difference. First operand 17112 states and 17680 transitions. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:44,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:44,740 INFO L93 Difference]: Finished difference Result 33564 states and 34694 transitions. [2021-11-07 08:00:44,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:44,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 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 1134 [2021-11-07 08:00:44,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:44,764 INFO L225 Difference]: With dead ends: 33564 [2021-11-07 08:00:44,764 INFO L226 Difference]: Without dead ends: 17112 [2021-11-07 08:00:44,775 INFO L786 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 [2021-11-07 08:00:44,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-11-07 08:00:45,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 15796. [2021-11-07 08:00:45,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.0282367837923394) internal successors, (16241), 15795 states have internal predecessors, (16241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:45,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16241 transitions. [2021-11-07 08:00:45,087 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16241 transitions. Word has length 1134 [2021-11-07 08:00:45,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:45,088 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16241 transitions. [2021-11-07 08:00:45,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16241 transitions. [2021-11-07 08:00:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1136 [2021-11-07 08:00:45,121 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:45,122 INFO L513 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-07 08:00:45,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 08:00:45,123 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:45,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:45,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1069375333, now seen corresponding path program 1 times [2021-11-07 08:00:45,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:45,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034182492] [2021-11-07 08:00:45,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:45,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2553 backedges. 740 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2021-11-07 08:00:45,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:45,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034182492] [2021-11-07 08:00:45,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034182492] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:45,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:45,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:45,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023962801] [2021-11-07 08:00:45,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:45,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:45,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:45,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:45,676 INFO L87 Difference]: Start difference. First operand 15796 states and 16241 transitions. Second operand has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:46,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:46,888 INFO L93 Difference]: Finished difference Result 33893 states and 34909 transitions. [2021-11-07 08:00:46,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:46,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 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 1135 [2021-11-07 08:00:46,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:46,917 INFO L225 Difference]: With dead ends: 33893 [2021-11-07 08:00:46,917 INFO L226 Difference]: Without dead ends: 16454 [2021-11-07 08:00:46,929 INFO L786 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 [2021-11-07 08:00:46,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-11-07 08:00:47,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 13822. [2021-11-07 08:00:47,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.025106721655452) internal successors, (14168), 13821 states have internal predecessors, (14168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:47,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14168 transitions. [2021-11-07 08:00:47,135 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14168 transitions. Word has length 1135 [2021-11-07 08:00:47,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:47,137 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14168 transitions. [2021-11-07 08:00:47,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:47,137 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14168 transitions. [2021-11-07 08:00:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1278 [2021-11-07 08:00:47,162 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:47,163 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:47,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 08:00:47,164 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:47,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:47,164 INFO L85 PathProgramCache]: Analyzing trace with hash 2005899029, now seen corresponding path program 1 times [2021-11-07 08:00:47,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:47,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247706899] [2021-11-07 08:00:47,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:47,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2750 backedges. 1963 proven. 0 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2021-11-07 08:00:47,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:47,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247706899] [2021-11-07 08:00:47,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247706899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:47,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:47,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:47,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304513828] [2021-11-07 08:00:47,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:47,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:47,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:47,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:47,703 INFO L87 Difference]: Start difference. First operand 13822 states and 14168 transitions. Second operand has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:48,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:48,725 INFO L93 Difference]: Finished difference Result 26984 states and 27670 transitions. [2021-11-07 08:00:48,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:48,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 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 1277 [2021-11-07 08:00:48,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:48,742 INFO L225 Difference]: With dead ends: 26984 [2021-11-07 08:00:48,743 INFO L226 Difference]: Without dead ends: 13822 [2021-11-07 08:00:48,751 INFO L786 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 [2021-11-07 08:00:48,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-11-07 08:00:48,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13822. [2021-11-07 08:00:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0248173069965993) internal successors, (14164), 13821 states have internal predecessors, (14164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14164 transitions. [2021-11-07 08:00:48,921 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14164 transitions. Word has length 1277 [2021-11-07 08:00:48,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:48,922 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14164 transitions. [2021-11-07 08:00:48,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14164 transitions. [2021-11-07 08:00:48,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1293 [2021-11-07 08:00:48,940 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:48,941 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:48,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 08:00:48,942 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:48,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:48,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1518616663, now seen corresponding path program 1 times [2021-11-07 08:00:48,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:48,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414836356] [2021-11-07 08:00:48,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:48,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3565 backedges. 2104 proven. 0 refuted. 0 times theorem prover too weak. 1461 trivial. 0 not checked. [2021-11-07 08:00:49,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:49,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414836356] [2021-11-07 08:00:49,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414836356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:49,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:49,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:49,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162283449] [2021-11-07 08:00:49,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:49,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:49,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:49,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:49,428 INFO L87 Difference]: Start difference. First operand 13822 states and 14164 transitions. Second operand has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:50,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:50,446 INFO L93 Difference]: Finished difference Result 27642 states and 28328 transitions. [2021-11-07 08:00:50,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:50,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 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 1292 [2021-11-07 08:00:50,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:50,465 INFO L225 Difference]: With dead ends: 27642 [2021-11-07 08:00:50,465 INFO L226 Difference]: Without dead ends: 14480 [2021-11-07 08:00:50,469 INFO L786 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 [2021-11-07 08:00:50,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-11-07 08:00:50,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14480. [2021-11-07 08:00:50,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0239657434905725) internal successors, (14826), 14479 states have internal predecessors, (14826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:50,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14826 transitions. [2021-11-07 08:00:50,609 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14826 transitions. Word has length 1292 [2021-11-07 08:00:50,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:50,610 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14826 transitions. [2021-11-07 08:00:50,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:50,610 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14826 transitions. [2021-11-07 08:00:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1318 [2021-11-07 08:00:50,629 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:50,630 INFO L513 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:50,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 08:00:50,630 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:50,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:50,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1263037269, now seen corresponding path program 1 times [2021-11-07 08:00:50,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:50,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773158923] [2021-11-07 08:00:50,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:50,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:51,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3116 backedges. 2159 proven. 0 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2021-11-07 08:00:51,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:51,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773158923] [2021-11-07 08:00:51,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773158923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:51,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:51,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:00:51,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927460411] [2021-11-07 08:00:51,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:00:51,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:51,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:00:51,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:00:51,160 INFO L87 Difference]: Start difference. First operand 14480 states and 14826 transitions. Second operand has 4 states, 4 states have (on average 183.25) internal successors, (733), 4 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:52,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:52,264 INFO L93 Difference]: Finished difference Result 28414 states and 29100 transitions. [2021-11-07 08:00:52,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:00:52,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 183.25) internal successors, (733), 4 states have internal predecessors, (733), 0 states have call successors, (0), 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 1317 [2021-11-07 08:00:52,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:52,277 INFO L225 Difference]: With dead ends: 28414 [2021-11-07 08:00:52,278 INFO L226 Difference]: Without dead ends: 14594 [2021-11-07 08:00:52,285 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 08:00:52,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14594 states. [2021-11-07 08:00:52,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14594 to 14480. [2021-11-07 08:00:52,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0232750880585675) internal successors, (14816), 14479 states have internal predecessors, (14816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:52,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14816 transitions. [2021-11-07 08:00:52,432 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14816 transitions. Word has length 1317 [2021-11-07 08:00:52,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:52,433 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14816 transitions. [2021-11-07 08:00:52,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 183.25) internal successors, (733), 4 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14816 transitions. [2021-11-07 08:00:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1347 [2021-11-07 08:00:52,500 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:52,501 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2021-11-07 08:00:52,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 08:00:52,502 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:52,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:52,503 INFO L85 PathProgramCache]: Analyzing trace with hash -832906628, now seen corresponding path program 1 times [2021-11-07 08:00:52,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:52,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319341688] [2021-11-07 08:00:52,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:52,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:53,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3584 backedges. 856 proven. 0 refuted. 0 times theorem prover too weak. 2728 trivial. 0 not checked. [2021-11-07 08:00:53,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:53,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319341688] [2021-11-07 08:00:53,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319341688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:53,028 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:53,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:53,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458637915] [2021-11-07 08:00:53,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:53,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:53,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:53,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:53,031 INFO L87 Difference]: Start difference. First operand 14480 states and 14816 transitions. Second operand has 3 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:54,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:54,091 INFO L93 Difference]: Finished difference Result 28629 states and 29299 transitions. [2021-11-07 08:00:54,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:54,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 0 states have call successors, (0), 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 1346 [2021-11-07 08:00:54,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:54,106 INFO L225 Difference]: With dead ends: 28629 [2021-11-07 08:00:54,106 INFO L226 Difference]: Without dead ends: 14480 [2021-11-07 08:00:54,114 INFO L786 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 [2021-11-07 08:00:54,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-11-07 08:00:54,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13822. [2021-11-07 08:00:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0177266478547138) internal successors, (14066), 13821 states have internal predecessors, (14066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:54,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14066 transitions. [2021-11-07 08:00:54,259 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14066 transitions. Word has length 1346 [2021-11-07 08:00:54,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:54,261 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14066 transitions. [2021-11-07 08:00:54,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:54,261 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14066 transitions. [2021-11-07 08:00:54,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1445 [2021-11-07 08:00:54,288 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:00:54,289 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:54,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-07 08:00:54,289 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:00:54,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:00:54,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1292040295, now seen corresponding path program 1 times [2021-11-07 08:00:54,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:00:54,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428506539] [2021-11-07 08:00:54,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:00:54,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:00:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:00:54,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4057 backedges. 1281 proven. 0 refuted. 0 times theorem prover too weak. 2776 trivial. 0 not checked. [2021-11-07 08:00:54,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:00:54,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428506539] [2021-11-07 08:00:54,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428506539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:00:54,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:00:54,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:00:54,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614329705] [2021-11-07 08:00:54,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:00:54,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:00:54,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:00:54,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:00:54,924 INFO L87 Difference]: Start difference. First operand 13822 states and 14066 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:55,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:00:55,823 INFO L93 Difference]: Finished difference Result 26982 states and 27467 transitions. [2021-11-07 08:00:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:00:55,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1444 [2021-11-07 08:00:55,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:00:55,825 INFO L225 Difference]: With dead ends: 26982 [2021-11-07 08:00:55,825 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 08:00:55,833 INFO L786 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 [2021-11-07 08:00:55,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 08:00:55,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 08:00:55,834 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) [2021-11-07 08:00:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 08:00:55,835 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1444 [2021-11-07 08:00:55,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:00:55,836 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:00:55,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:00:55,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 08:00:55,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 08:00:55,840 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 08:00:55,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-07 08:00:55,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 08:00:55,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:00:56,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:00:56,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:00:56,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:00:59,672 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,672 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,672 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,672 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,672 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,673 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,673 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,673 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,673 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,673 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,673 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,673 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,673 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,673 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,673 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,673 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-07 08:00:59,673 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-07 08:00:59,674 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-07 08:00:59,674 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,674 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,676 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,676 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,676 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,676 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,676 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,676 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-07 08:00:59,677 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,678 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,679 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,680 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,680 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,680 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-07 08:00:59,680 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,680 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-07 08:00:59,680 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-07 08:00:59,682 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse18 (+ 87 ~a18~0))) (let ((.cse7 (<= (+ ~a18~0 156) 0)) (.cse13 (= ~a12~0 9)) (.cse15 (= ~a16~0 9)) (.cse1 (= ~a12~0 6)) (.cse8 (<= ~a16~0 11)) (.cse17 (<= .cse18 0)) (.cse11 (<= 0 .cse18)) (.cse2 (= ~a16~0 8)) (.cse6 (= ~a12~0 8)) (.cse9 (= 5 ~a12~0)) (.cse10 (= ~a15~0 3)) (.cse5 (<= ~a15~0 3)) (.cse14 (= ~a16~0 12)) (.cse3 (<= ~a12~0 7)) (.cse4 (<= 7 ~a12~0)) (.cse0 (= ~a16~0 10)) (.cse12 (<= ~a12~0 6)) (.cse16 (<= 4 ~a15~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse8 .cse10 (<= 83 ~a18~0)) (and .cse11 .cse5 .cse6 .cse4 .cse8) (and .cse2 (not (= 3 ULTIMATE.start_calculate_output_~input)) (= ~a15~0 4) (<= (+ ~a18~0 388559) 0) .cse12) (and .cse13 .cse5 .cse14) (and (<= ~a12~0 5) .cse2) (and .cse13 .cse15) (and .cse11 .cse2 .cse5 .cse4 .cse8) (and .cse13 .cse5 .cse8) (and .cse11 .cse2 .cse12) (and .cse2 .cse6 .cse7) (and .cse11 .cse5 .cse1 .cse14) (and .cse11 .cse0 .cse9 .cse10) (and .cse5 .cse3 .cse4 .cse8) (and .cse15 .cse6) (and .cse13 .cse2) (and .cse0 .cse5 .cse6) (and .cse15 .cse9 .cse10) (and .cse5 .cse6 .cse14) (and .cse15 .cse3 .cse16) (and .cse11 .cse5 .cse1 .cse17 .cse8) (and .cse11 (= ~a16~0 11) .cse17 (not (= ULTIMATE.start_calculate_output_~input 4)) .cse9 .cse10) (and .cse2 .cse5 .cse12) (and .cse11 .cse2 .cse6) (and .cse14 .cse9 .cse10) (and .cse5 .cse14 .cse3 .cse4) (and .cse0 .cse12 .cse16)))) [2021-11-07 08:00:59,682 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,682 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,682 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,682 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,682 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,682 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,682 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,682 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,682 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,682 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,683 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-07 08:00:59,683 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-07 08:00:59,683 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,683 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-07 08:00:59,685 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,685 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,685 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,689 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,690 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,690 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,690 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,690 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,690 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,690 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,691 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,691 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,691 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,691 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,691 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,691 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,691 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,692 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-07 08:00:59,692 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,692 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-07 08:00:59,692 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-07 08:00:59,692 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,692 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,692 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,693 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,693 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,693 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,693 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,693 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,693 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,693 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,694 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,694 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-07 08:00:59,694 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-07 08:00:59,694 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,694 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-07 08:00:59,694 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,695 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse18 (+ 87 ~a18~0))) (let ((.cse7 (<= (+ ~a18~0 156) 0)) (.cse13 (= ~a12~0 9)) (.cse15 (= ~a16~0 9)) (.cse1 (= ~a12~0 6)) (.cse8 (<= ~a16~0 11)) (.cse17 (<= .cse18 0)) (.cse11 (<= 0 .cse18)) (.cse2 (= ~a16~0 8)) (.cse6 (= ~a12~0 8)) (.cse9 (= 5 ~a12~0)) (.cse10 (= ~a15~0 3)) (.cse5 (<= ~a15~0 3)) (.cse14 (= ~a16~0 12)) (.cse3 (<= ~a12~0 7)) (.cse4 (<= 7 ~a12~0)) (.cse0 (= ~a16~0 10)) (.cse12 (<= ~a12~0 6)) (.cse16 (<= 4 ~a15~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse8 .cse10 (<= 83 ~a18~0)) (and .cse11 .cse5 .cse6 .cse4 .cse8) (and .cse2 (not (= 3 ULTIMATE.start_calculate_output_~input)) (= ~a15~0 4) (<= (+ ~a18~0 388559) 0) .cse12) (and .cse13 .cse5 .cse14) (and (<= ~a12~0 5) .cse2) (and .cse13 .cse15) (and .cse11 .cse2 .cse5 .cse4 .cse8) (and .cse13 .cse5 .cse8) (and .cse11 .cse2 .cse12) (and .cse2 .cse6 .cse7) (and .cse11 .cse5 .cse1 .cse14) (and .cse11 .cse0 .cse9 .cse10) (and .cse5 .cse3 .cse4 .cse8) (and .cse15 .cse6) (and .cse13 .cse2) (and .cse0 .cse5 .cse6) (and .cse15 .cse9 .cse10) (and .cse5 .cse6 .cse14) (and .cse15 .cse3 .cse16) (and .cse11 .cse5 .cse1 .cse17 .cse8) (and .cse11 (= ~a16~0 11) .cse17 (not (= ULTIMATE.start_calculate_output_~input 4)) .cse9 .cse10) (and .cse2 .cse5 .cse12) (and .cse11 .cse2 .cse6) (and .cse14 .cse9 .cse10) (and .cse5 .cse14 .cse3 .cse4) (and .cse0 .cse12 .cse16)))) [2021-11-07 08:00:59,695 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,695 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,695 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,695 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,695 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,696 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,696 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,696 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,696 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 08:00:59,696 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,697 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,697 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,697 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,698 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,698 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,698 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-07 08:00:59,698 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,698 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-07 08:00:59,698 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-07 08:00:59,698 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,698 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-11-07 08:00:59,698 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,698 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,699 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,699 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,699 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,699 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,699 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,699 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,699 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,699 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,699 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,699 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-07 08:00:59,700 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,700 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-07 08:00:59,700 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,700 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-07 08:00:59,700 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,700 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,700 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,701 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,701 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,701 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,701 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,701 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,701 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,702 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,702 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,702 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,702 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,702 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,702 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,702 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,703 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-07 08:00:59,703 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-07 08:00:59,703 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-07 08:00:59,703 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 08:00:59,703 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2021-11-07 08:00:59,704 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse18 (+ 87 ~a18~0))) (let ((.cse7 (<= (+ ~a18~0 156) 0)) (.cse13 (= ~a12~0 9)) (.cse15 (= ~a16~0 9)) (.cse1 (= ~a12~0 6)) (.cse8 (<= ~a16~0 11)) (.cse2 (= ~a16~0 8)) (.cse6 (= ~a12~0 8)) (.cse11 (<= 0 .cse18)) (.cse17 (<= .cse18 0)) (.cse9 (= 5 ~a12~0)) (.cse10 (= ~a15~0 3)) (.cse5 (<= ~a15~0 3)) (.cse14 (= ~a16~0 12)) (.cse3 (<= ~a12~0 7)) (.cse4 (<= 7 ~a12~0)) (.cse0 (= ~a16~0 10)) (.cse12 (<= ~a12~0 6)) (.cse16 (<= 4 ~a15~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse8 .cse10 (<= 83 ~a18~0)) (and .cse11 .cse5 .cse6 .cse4 .cse8) (and .cse2 (not (= 3 ULTIMATE.start_calculate_output_~input)) (= ~a15~0 4) (<= (+ ~a18~0 388559) 0) .cse12) (and .cse13 .cse5 .cse14) (and (<= ~a12~0 5) .cse2) (and .cse13 .cse15) (and .cse11 .cse2 .cse5 .cse4 .cse8) (and .cse13 .cse5 .cse8) (and .cse11 .cse2 .cse12) (and .cse2 .cse6 .cse7) (and .cse11 .cse5 .cse1 .cse14) (and .cse11 .cse0 .cse9 .cse10) (and .cse5 .cse3 .cse4 .cse8) (and .cse15 .cse6) (and .cse13 .cse2) (and .cse0 .cse5 .cse6) (and .cse15 .cse9 .cse10) (and .cse5 .cse6 .cse14) (and .cse15 .cse3 .cse16) (and .cse11 .cse5 .cse1 .cse17 .cse8) (and .cse2 .cse5 .cse12) (and .cse11 .cse2 .cse6) (and .cse14 .cse9 .cse10) (and .cse11 (= ~a16~0 11) .cse17 .cse9 .cse10) (and .cse5 .cse14 .cse3 .cse4) (and .cse0 .cse12 .cse16)))) [2021-11-07 08:00:59,704 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,704 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,704 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,704 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,704 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,705 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,705 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,705 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,705 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,705 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,705 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,705 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,706 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,706 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,706 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-07 08:00:59,706 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,706 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-07 08:00:59,706 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-07 08:00:59,706 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,707 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,707 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,707 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,707 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,707 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,707 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,708 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,708 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,708 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,708 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,708 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,708 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-11-07 08:00:59,708 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,709 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,709 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,709 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,709 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,709 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-07 08:00:59,709 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-07 08:00:59,709 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-07 08:00:59,710 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,710 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,710 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,710 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,710 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,710 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,710 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,711 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,711 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,711 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,711 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,711 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,711 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,711 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-07 08:00:59,712 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,712 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-07 08:00:59,712 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-07 08:00:59,712 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,712 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,712 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,712 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,713 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,713 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,713 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,713 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,713 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,713 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,713 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,714 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,714 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,714 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,714 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-07 08:00:59,714 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-07 08:00:59,714 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-07 08:00:59,715 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,715 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,715 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,715 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,715 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,715 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,715 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,716 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,716 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,716 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,716 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,716 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,716 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,716 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,717 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-07 08:00:59,717 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,717 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-07 08:00:59,717 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-07 08:00:59,717 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,717 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,717 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,718 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,718 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,718 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,718 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,718 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,718 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,718 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,719 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,719 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,719 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,719 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,719 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-07 08:00:59,719 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-07 08:00:59,719 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-07 08:00:59,720 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,720 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,720 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,720 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,720 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,720 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,720 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,721 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,721 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,721 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,721 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,721 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,721 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,721 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,722 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 08:00:59,722 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,722 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-07 08:00:59,722 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-07 08:00:59,722 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,722 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,722 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,723 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,723 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,723 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,723 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,723 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,723 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,723 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,724 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,724 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,724 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-07 08:00:59,724 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-07 08:00:59,724 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,724 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,724 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,725 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,725 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,725 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,725 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,725 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,725 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,725 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,726 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,726 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,726 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,726 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,726 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,726 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,726 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-07 08:00:59,727 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-07 08:00:59,727 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,727 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,727 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,727 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,727 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,727 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,727 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,727 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,727 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,727 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,728 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,729 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,729 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,729 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,729 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,729 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,729 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,729 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,730 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,730 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-07 08:00:59,730 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-07 08:00:59,730 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,730 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,730 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,730 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,731 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,731 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,731 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-11-07 08:00:59,731 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,731 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,731 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,731 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-11-07 08:00:59,731 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:00:59,732 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,732 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,732 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-11-07 08:00:59,732 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-07 08:00:59,732 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-07 08:00:59,732 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-07 08:00:59,736 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:00:59,737 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 08:00:59,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:00:59 BoogieIcfgContainer [2021-11-07 08:00:59,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:00:59,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:00:59,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:00:59,790 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:00:59,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:00:11" (3/4) ... [2021-11-07 08:00:59,793 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 08:00:59,842 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-07 08:00:59,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 08:00:59,848 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:00:59,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:01:00,092 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 08:01:00,093 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:01:00,094 INFO L168 Benchmark]: Toolchain (without parser) took 52552.49 ms. Allocated memory was 88.1 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 47.4 MB in the beginning and 472.8 MB in the end (delta: -425.4 MB). Peak memory consumption was 791.3 MB. Max. memory is 16.1 GB. [2021-11-07 08:01:00,095 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:01:00,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1075.88 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 47.2 MB in the beginning and 79.1 MB in the end (delta: -31.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:01:00,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.06 ms. Allocated memory is still 119.5 MB. Free memory was 78.6 MB in the beginning and 55.1 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:01:00,096 INFO L168 Benchmark]: Boogie Preprocessor took 204.99 ms. Allocated memory is still 119.5 MB. Free memory was 55.1 MB in the beginning and 68.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:01:00,097 INFO L168 Benchmark]: RCFGBuilder took 2650.49 ms. Allocated memory was 119.5 MB in the beginning and 184.5 MB in the end (delta: 65.0 MB). Free memory was 68.4 MB in the beginning and 85.6 MB in the end (delta: -17.2 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:01:00,097 INFO L168 Benchmark]: TraceAbstraction took 48118.31 ms. Allocated memory was 184.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 85.6 MB in the beginning and 511.0 MB in the end (delta: -425.4 MB). Peak memory consumption was 695.6 MB. Max. memory is 16.1 GB. [2021-11-07 08:01:00,097 INFO L168 Benchmark]: Witness Printer took 303.53 ms. Allocated memory is still 1.3 GB. Free memory was 511.0 MB in the beginning and 472.8 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:01:00,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1075.88 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 47.2 MB in the beginning and 79.1 MB in the end (delta: -31.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 191.06 ms. Allocated memory is still 119.5 MB. Free memory was 78.6 MB in the beginning and 55.1 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 204.99 ms. Allocated memory is still 119.5 MB. Free memory was 55.1 MB in the beginning and 68.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2650.49 ms. Allocated memory was 119.5 MB in the beginning and 184.5 MB in the end (delta: 65.0 MB). Free memory was 68.4 MB in the beginning and 85.6 MB in the end (delta: -17.2 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 48118.31 ms. Allocated memory was 184.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 85.6 MB in the beginning and 511.0 MB in the end (delta: -425.4 MB). Peak memory consumption was 695.6 MB. Max. memory is 16.1 GB. * Witness Printer took 303.53 ms. Allocated memory is still 1.3 GB. Free memory was 511.0 MB in the beginning and 472.8 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 167]: 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: 47.9s, OverallIterations: 23, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 30.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 6774 SDtfs, 5230 SDslu, 370 SDs, 0 SdLazy, 20504 SolverSat, 2941 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17112occurred in iteration=14, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 23 MinimizatonAttempts, 8379 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 187 NumberOfFragments, 1062 HoareAnnotationTreeSize, 4 FomulaSimplifications, 8895 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3323 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 17157 NumberOfCodeBlocks, 17157 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 17134 ConstructedInterpolants, 0 QuantifiedInterpolants, 39908 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 31090/31090 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a16 == 10 && a12 == 6) || ((a16 == 8 && a12 <= 7) && 7 <= a12)) || (((a15 <= 3 && a12 == 8) && a18 + 156 <= 0) && a16 <= 11)) || (((5 == a12 && a16 <= 11) && a15 == 3) && 83 <= a18)) || ((((0 <= 87 + a18 && a15 <= 3) && a12 == 8) && 7 <= a12) && a16 <= 11)) || ((((a16 == 8 && !(3 == input)) && a15 == 4) && a18 + 388559 <= 0) && a12 <= 6)) || ((a12 == 9 && a15 <= 3) && a16 == 12)) || (a12 <= 5 && a16 == 8)) || (a12 == 9 && a16 == 9)) || ((((0 <= 87 + a18 && a16 == 8) && a15 <= 3) && 7 <= a12) && a16 <= 11)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a16 == 8) && a12 <= 6)) || ((a16 == 8 && a12 == 8) && a18 + 156 <= 0)) || (((0 <= 87 + a18 && a15 <= 3) && a12 == 6) && a16 == 12)) || (((0 <= 87 + a18 && a16 == 10) && 5 == a12) && a15 == 3)) || (((a15 <= 3 && a12 <= 7) && 7 <= a12) && a16 <= 11)) || (a16 == 9 && a12 == 8)) || (a12 == 9 && a16 == 8)) || ((a16 == 10 && a15 <= 3) && a12 == 8)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || ((a15 <= 3 && a12 == 8) && a16 == 12)) || ((a16 == 9 && a12 <= 7) && 4 <= a15)) || ((((0 <= 87 + a18 && a15 <= 3) && a12 == 6) && 87 + a18 <= 0) && a16 <= 11)) || (((((0 <= 87 + a18 && a16 == 11) && 87 + a18 <= 0) && !(input == 4)) && 5 == a12) && a15 == 3)) || ((a16 == 8 && a15 <= 3) && a12 <= 6)) || ((0 <= 87 + a18 && a16 == 8) && a12 == 8)) || ((a16 == 12 && 5 == a12) && a15 == 3)) || (((a15 <= 3 && a16 == 12) && a12 <= 7) && 7 <= a12)) || ((a16 == 10 && a12 <= 6) && 4 <= a15) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a16 == 10 && a12 == 6) || ((a16 == 8 && a12 <= 7) && 7 <= a12)) || (((a15 <= 3 && a12 == 8) && a18 + 156 <= 0) && a16 <= 11)) || (((5 == a12 && a16 <= 11) && a15 == 3) && 83 <= a18)) || ((((0 <= 87 + a18 && a15 <= 3) && a12 == 8) && 7 <= a12) && a16 <= 11)) || ((((a16 == 8 && !(3 == input)) && a15 == 4) && a18 + 388559 <= 0) && a12 <= 6)) || ((a12 == 9 && a15 <= 3) && a16 == 12)) || (a12 <= 5 && a16 == 8)) || (a12 == 9 && a16 == 9)) || ((((0 <= 87 + a18 && a16 == 8) && a15 <= 3) && 7 <= a12) && a16 <= 11)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a16 == 8) && a12 <= 6)) || ((a16 == 8 && a12 == 8) && a18 + 156 <= 0)) || (((0 <= 87 + a18 && a15 <= 3) && a12 == 6) && a16 == 12)) || (((0 <= 87 + a18 && a16 == 10) && 5 == a12) && a15 == 3)) || (((a15 <= 3 && a12 <= 7) && 7 <= a12) && a16 <= 11)) || (a16 == 9 && a12 == 8)) || (a12 == 9 && a16 == 8)) || ((a16 == 10 && a15 <= 3) && a12 == 8)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || ((a15 <= 3 && a12 == 8) && a16 == 12)) || ((a16 == 9 && a12 <= 7) && 4 <= a15)) || ((((0 <= 87 + a18 && a15 <= 3) && a12 == 6) && 87 + a18 <= 0) && a16 <= 11)) || ((a16 == 8 && a15 <= 3) && a12 <= 6)) || ((0 <= 87 + a18 && a16 == 8) && a12 == 8)) || ((a16 == 12 && 5 == a12) && a15 == 3)) || ((((0 <= 87 + a18 && a16 == 11) && 87 + a18 <= 0) && 5 == a12) && a15 == 3)) || (((a15 <= 3 && a16 == 12) && a12 <= 7) && 7 <= a12)) || ((a16 == 10 && a12 <= 6) && 4 <= a15) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a16 == 10 && a12 == 6) || ((a16 == 8 && a12 <= 7) && 7 <= a12)) || (((a15 <= 3 && a12 == 8) && a18 + 156 <= 0) && a16 <= 11)) || (((5 == a12 && a16 <= 11) && a15 == 3) && 83 <= a18)) || ((((0 <= 87 + a18 && a15 <= 3) && a12 == 8) && 7 <= a12) && a16 <= 11)) || ((((a16 == 8 && !(3 == input)) && a15 == 4) && a18 + 388559 <= 0) && a12 <= 6)) || ((a12 == 9 && a15 <= 3) && a16 == 12)) || (a12 <= 5 && a16 == 8)) || (a12 == 9 && a16 == 9)) || ((((0 <= 87 + a18 && a16 == 8) && a15 <= 3) && 7 <= a12) && a16 <= 11)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a16 == 8) && a12 <= 6)) || ((a16 == 8 && a12 == 8) && a18 + 156 <= 0)) || (((0 <= 87 + a18 && a15 <= 3) && a12 == 6) && a16 == 12)) || (((0 <= 87 + a18 && a16 == 10) && 5 == a12) && a15 == 3)) || (((a15 <= 3 && a12 <= 7) && 7 <= a12) && a16 <= 11)) || (a16 == 9 && a12 == 8)) || (a12 == 9 && a16 == 8)) || ((a16 == 10 && a15 <= 3) && a12 == 8)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || ((a15 <= 3 && a12 == 8) && a16 == 12)) || ((a16 == 9 && a12 <= 7) && 4 <= a15)) || ((((0 <= 87 + a18 && a15 <= 3) && a12 == 6) && 87 + a18 <= 0) && a16 <= 11)) || (((((0 <= 87 + a18 && a16 == 11) && 87 + a18 <= 0) && !(input == 4)) && 5 == a12) && a15 == 3)) || ((a16 == 8 && a15 <= 3) && a12 <= 6)) || ((0 <= 87 + a18 && a16 == 8) && a12 == 8)) || ((a16 == 12 && 5 == a12) && a15 == 3)) || (((a15 <= 3 && a16 == 12) && a12 <= 7) && 7 <= a12)) || ((a16 == 10 && a12 <= 6) && 4 <= a15) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-07 08:01:00,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24344a2-0016-4bc8-91d4-abeddd3f788a/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE