./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0 --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 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:19:22,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:19:22,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:19:22,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:19:22,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:19:22,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:19:22,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:19:22,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:19:22,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:19:22,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:19:22,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:19:22,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:19:22,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:19:22,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:19:22,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:19:22,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:19:22,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:19:22,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:19:22,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:19:22,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:19:22,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:19:22,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:19:22,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:19:22,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:19:22,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:19:22,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:19:22,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:19:22,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:19:22,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:19:22,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:19:22,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:19:22,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:19:22,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:19:22,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:19:22,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:19:22,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:19:22,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:19:22,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:19:22,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:19:22,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:19:22,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:19:22,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 15:19:22,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:19:22,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:19:22,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:19:22,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:19:22,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:19:22,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:19:22,389 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:19:22,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:19:22,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:19:22,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:19:22,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:19:22,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:19:22,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:19:22,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:19:22,392 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:19:22,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:19:22,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:19:22,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:19:22,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:19:22,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:19:22,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:19:22,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:19:22,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:19:22,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:19:22,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:19:22,395 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:19:22,395 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:19:22,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:19:22,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:19:22,396 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_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2021-11-22 15:19:22,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:19:22,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:19:22,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:19:22,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:19:22,724 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:19:22,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-22 15:19:22,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/data/a5bdff547/27dbddf724d645baab3eca7f521cd689/FLAG59b2bb50d [2021-11-22 15:19:23,690 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:19:23,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-22 15:19:23,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/data/a5bdff547/27dbddf724d645baab3eca7f521cd689/FLAG59b2bb50d [2021-11-22 15:19:24,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/data/a5bdff547/27dbddf724d645baab3eca7f521cd689 [2021-11-22 15:19:24,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:19:24,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:19:24,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:19:24,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:19:24,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:19:24,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:19:24" (1/1) ... [2021-11-22 15:19:24,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d265f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:24, skipping insertion in model container [2021-11-22 15:19:24,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:19:24" (1/1) ... [2021-11-22 15:19:24,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:19:24,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:19:25,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-22 15:19:25,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:19:25,699 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:19:26,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-22 15:19:26,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:19:26,290 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:19:26,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:26 WrapperNode [2021-11-22 15:19:26,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:19:26,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:19:26,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:19:26,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:19:26,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:26" (1/1) ... [2021-11-22 15:19:26,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:26" (1/1) ... [2021-11-22 15:19:27,173 INFO L137 Inliner]: procedures = 236, calls = 1201, calls flagged for inlining = 365, calls inlined = 2020, statements flattened = 28356 [2021-11-22 15:19:27,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:19:27,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:19:27,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:19:27,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:19:27,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:26" (1/1) ... [2021-11-22 15:19:27,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:26" (1/1) ... [2021-11-22 15:19:27,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:26" (1/1) ... [2021-11-22 15:19:27,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:26" (1/1) ... [2021-11-22 15:19:28,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:26" (1/1) ... [2021-11-22 15:19:28,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:26" (1/1) ... [2021-11-22 15:19:28,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:26" (1/1) ... [2021-11-22 15:19:28,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:19:28,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:19:28,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:19:28,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:19:28,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:26" (1/1) ... [2021-11-22 15:19:28,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:19:28,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:19:28,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:19:28,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:19:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 15:19:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 15:19:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:19:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:19:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:19:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 15:19:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 15:19:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 15:19:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:19:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:19:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:19:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:19:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:19:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 15:19:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:19:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:19:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:19:29,538 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:19:29,540 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:19:29,555 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 15:19:29,624 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 15:19:29,723 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 15:19:29,754 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 15:19:48,193 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1293: assume false; [2021-11-22 15:19:48,194 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1294: assume !false; [2021-11-22 15:19:48,194 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1299: assume false; [2021-11-22 15:19:48,194 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1288: assume false; [2021-11-22 15:19:48,194 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1289: assume !false; [2021-11-22 15:19:48,194 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1273: assume false; [2021-11-22 15:19:48,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1274: assume !false; [2021-11-22 15:19:48,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1278: assume false; [2021-11-22 15:19:48,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1279: assume !false; [2021-11-22 15:19:48,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2509: assume !false; [2021-11-22 15:19:48,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2513: assume false; [2021-11-22 15:19:48,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2514: assume !false; [2021-11-22 15:19:48,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2519: assume !false; [2021-11-22 15:19:48,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2518: assume false; [2021-11-22 15:19:48,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2502: assume !false; [2021-11-22 15:19:48,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2501: assume false; [2021-11-22 15:19:48,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2508: assume false; [2021-11-22 15:19:48,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2591: assume !false; [2021-11-22 15:19:48,197 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2590: assume false; [2021-11-22 15:19:48,197 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2595: assume false; [2021-11-22 15:19:48,197 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2596: assume !false; [2021-11-22 15:19:48,197 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2580: assume !false; [2021-11-22 15:19:48,197 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2584: assume false; [2021-11-22 15:19:48,197 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1253: assume false; [2021-11-22 15:19:48,198 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1254: assume !false; [2021-11-22 15:19:48,198 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2585: assume !false; [2021-11-22 15:19:48,198 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2570: assume !false; [2021-11-22 15:19:48,198 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1243: assume false; [2021-11-22 15:19:48,198 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1244: assume !false; [2021-11-22 15:19:48,199 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2579: assume false; [2021-11-22 15:19:48,199 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1248: assume false; [2021-11-22 15:19:48,199 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1249: assume !false; [2021-11-22 15:19:48,199 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2564: assume false; [2021-11-22 15:19:48,199 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2565: assume !false; [2021-11-22 15:19:48,199 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2569: assume false; [2021-11-22 15:19:48,200 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1222: assume false; [2021-11-22 15:19:48,200 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1223: assume !false; [2021-11-22 15:19:48,200 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1227: assume false; [2021-11-22 15:19:48,200 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1228: assume !false; [2021-11-22 15:19:48,200 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2540: assume !false; [2021-11-22 15:19:48,200 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-11-22 15:19:48,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-11-22 15:19:48,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2544: assume false; [2021-11-22 15:19:48,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2545: assume !false; [2021-11-22 15:19:48,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1217: assume false; [2021-11-22 15:19:48,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume !false; [2021-11-22 15:19:48,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2535: assume !false; [2021-11-22 15:19:48,202 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2534: assume false; [2021-11-22 15:19:48,202 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1205: assume false; [2021-11-22 15:19:48,202 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1206: assume !false; [2021-11-22 15:19:48,202 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2539: assume false; [2021-11-22 15:19:48,202 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1180: assume false; [2021-11-22 15:19:48,203 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1181: assume !false; [2021-11-22 15:19:48,203 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1185: assume false; [2021-11-22 15:19:48,203 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1186: assume !false; [2021-11-22 15:19:48,203 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1170: assume !false; [2021-11-22 15:19:48,203 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1174: assume false; [2021-11-22 15:19:48,204 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1175: assume !false; [2021-11-22 15:19:48,204 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2021-11-22 15:19:48,204 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2496: assume false; [2021-11-22 15:19:48,204 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2497: assume !false; [2021-11-22 15:19:48,204 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1169: assume false; [2021-11-22 15:19:48,204 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1154: assume false; [2021-11-22 15:19:48,205 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1155: assume !false; [2021-11-22 15:19:48,205 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2021-11-22 15:19:48,205 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3712: assume !false; [2021-11-22 15:19:48,205 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3711: assume false; [2021-11-22 15:19:48,205 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3701: assume false; [2021-11-22 15:19:48,206 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3702: assume !false; [2021-11-22 15:19:48,206 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3707: assume !false; [2021-11-22 15:19:48,206 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3706: assume false; [2021-11-22 15:19:48,206 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2472: assume !false; [2021-11-22 15:19:48,206 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2471: assume false; [2021-11-22 15:19:48,206 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2476: assume false; [2021-11-22 15:19:48,207 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2477: assume !false; [2021-11-22 15:19:48,207 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2461: assume !false; [2021-11-22 15:19:48,207 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2460: assume false; [2021-11-22 15:19:48,207 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2465: assume false; [2021-11-22 15:19:48,207 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2466: assume !false; [2021-11-22 15:19:48,208 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2450: assume false; [2021-11-22 15:19:48,208 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3783: assume !false; [2021-11-22 15:19:48,208 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2451: assume !false; [2021-11-22 15:19:48,208 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3782: assume false; [2021-11-22 15:19:48,208 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3787: assume false; [2021-11-22 15:19:48,209 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3788: assume !false; [2021-11-22 15:19:48,209 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2445: assume false; [2021-11-22 15:19:48,209 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2446: assume !false; [2021-11-22 15:19:48,209 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1100: assume !false; [2021-11-22 15:19:48,209 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3763: assume !false; [2021-11-22 15:19:48,209 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3762: assume false; [2021-11-22 15:19:48,210 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3752: assume !false; [2021-11-22 15:19:48,210 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3751: assume false; [2021-11-22 15:19:48,210 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3758: assume !false; [2021-11-22 15:19:48,210 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3757: assume false; [2021-11-22 15:19:48,210 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3747: assume !false; [2021-11-22 15:19:48,210 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3746: assume false; [2021-11-22 15:19:48,211 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3732: assume !false; [2021-11-22 15:19:48,211 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3731: assume false; [2021-11-22 15:19:48,211 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3736: assume false; [2021-11-22 15:19:48,211 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3737: assume !false; [2021-11-22 15:19:48,211 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1090: assume false; [2021-11-22 15:19:48,212 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1091: assume !false; [2021-11-22 15:19:48,212 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1099: assume false; [2021-11-22 15:19:48,212 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1081: assume false; [2021-11-22 15:19:48,212 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1082: assume !false; [2021-11-22 15:19:48,212 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2391: assume !false; [2021-11-22 15:19:48,212 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2390: assume false; [2021-11-22 15:19:48,213 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2382: assume !false; [2021-11-22 15:19:48,213 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2381: assume false; [2021-11-22 15:19:48,213 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1057: assume false; [2021-11-22 15:19:48,213 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1058: assume !false; [2021-11-22 15:19:48,213 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2373: assume !false; [2021-11-22 15:19:48,214 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2372: assume false; [2021-11-22 15:19:48,214 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3680: assume false; [2021-11-22 15:19:48,214 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3681: assume !false; [2021-11-22 15:19:48,214 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3686: assume !false; [2021-11-22 15:19:48,214 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3685: assume false; [2021-11-22 15:19:48,214 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3675: assume false; [2021-11-22 15:19:48,215 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3676: assume !false; [2021-11-22 15:19:48,215 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2348: assume false; [2021-11-22 15:19:48,215 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2349: assume !false; [2021-11-22 15:19:48,215 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3664: assume !false; [2021-11-22 15:19:48,215 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3663: assume false; [2021-11-22 15:19:48,215 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3668: assume false; [2021-11-22 15:19:48,216 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3669: assume !false; [2021-11-22 15:19:48,216 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3644: assume !false; [2021-11-22 15:19:48,216 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3643: assume false; [2021-11-22 15:19:48,216 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3633: assume !false; [2021-11-22 15:19:48,216 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3632: assume false; [2021-11-22 15:19:48,217 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3639: assume !false; [2021-11-22 15:19:48,217 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3638: assume false; [2021-11-22 15:19:48,217 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3628: assume !false; [2021-11-22 15:19:48,217 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3627: assume false; [2021-11-22 15:19:48,217 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3613: assume !false; [2021-11-22 15:19:48,217 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3612: assume false; [2021-11-22 15:19:48,217 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3617: assume false; [2021-11-22 15:19:48,218 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3618: assume !false; [2021-11-22 15:19:48,218 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2281: assume !false; [2021-11-22 15:19:48,218 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2280: assume false; [2021-11-22 15:19:48,218 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume !false; [2021-11-22 15:19:48,218 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##94: assume false; [2021-11-22 15:19:48,219 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume !false; [2021-11-22 15:19:48,219 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-11-22 15:19:48,219 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-22 15:19:48,219 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-22 15:19:48,219 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume false; [2021-11-22 15:19:48,219 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume !false; [2021-11-22 15:19:48,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2021-11-22 15:19:48,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2021-11-22 15:19:48,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##59: assume false; [2021-11-22 15:19:48,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-22 15:19:48,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-11-22 15:19:48,220 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3558: assume !false; [2021-11-22 15:19:48,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3557: assume false; [2021-11-22 15:19:48,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3540: assume !false; [2021-11-22 15:19:48,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3549: assume !false; [2021-11-22 15:19:48,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3548: assume false; [2021-11-22 15:19:48,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3539: assume false; [2021-11-22 15:19:48,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3516: assume !false; [2021-11-22 15:19:48,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3515: assume false; [2021-11-22 15:19:48,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1705: assume false; [2021-11-22 15:19:48,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2975: assume false; [2021-11-22 15:19:48,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2976: assume !false; [2021-11-22 15:19:48,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1681: assume false; [2021-11-22 15:19:48,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1682: assume !false; [2021-11-22 15:19:48,223 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1300: assume !false; [2021-11-22 15:19:48,223 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1304: assume false; [2021-11-22 15:19:48,223 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1305: assume !false; [2021-11-22 15:19:48,223 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2621: assume !false; [2021-11-22 15:19:48,223 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2620: assume false; [2021-11-22 15:19:48,224 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2616: assume !false; [2021-11-22 15:19:48,224 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2615: assume false; [2021-11-22 15:19:48,224 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume !false; [2021-11-22 15:19:48,224 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##142: assume false; [2021-11-22 15:19:48,224 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume false; [2021-11-22 15:19:48,224 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume !false; [2021-11-22 15:19:48,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2021-11-22 15:19:48,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2021-11-22 15:19:48,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1330: assume !false; [2021-11-22 15:19:48,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-11-22 15:19:48,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume false; [2021-11-22 15:19:48,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1324: assume false; [2021-11-22 15:19:48,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !false; [2021-11-22 15:19:48,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1325: assume !false; [2021-11-22 15:19:48,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume !false; [2021-11-22 15:19:48,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume false; [2021-11-22 15:19:48,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1329: assume false; [2021-11-22 15:19:48,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4370: assume false; [2021-11-22 15:19:48,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4371: assume !false; [2021-11-22 15:19:48,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4376: assume !false; [2021-11-22 15:19:48,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4375: assume false; [2021-11-22 15:19:48,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4361: assume !false; [2021-11-22 15:19:48,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4360: assume false; [2021-11-22 15:19:48,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4355: assume false; [2021-11-22 15:19:48,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4356: assume !false; [2021-11-22 15:19:48,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4330: assume false; [2021-11-22 15:19:48,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4331: assume !false; [2021-11-22 15:19:48,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4336: assume !false; [2021-11-22 15:19:48,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4335: assume false; [2021-11-22 15:19:48,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4325: assume false; [2021-11-22 15:19:48,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4326: assume !false; [2021-11-22 15:19:48,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4310: assume !false; [2021-11-22 15:19:48,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4300: assume !false; [2021-11-22 15:19:48,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4304: assume false; [2021-11-22 15:19:48,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4305: assume !false; [2021-11-22 15:19:48,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4309: assume false; [2021-11-22 15:19:48,230 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4381: assume false; [2021-11-22 15:19:48,230 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4382: assume !false; [2021-11-22 15:19:48,230 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4387: assume !false; [2021-11-22 15:19:48,230 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4386: assume false; [2021-11-22 15:19:48,230 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##267: assume !false; [2021-11-22 15:19:48,230 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##266: assume false; [2021-11-22 15:19:48,231 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##272: assume !false; [2021-11-22 15:19:48,231 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume false; [2021-11-22 15:19:48,231 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume !false; [2021-11-22 15:19:48,231 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##278: assume false; [2021-11-22 15:19:48,231 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##283: assume false; [2021-11-22 15:19:48,232 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##284: assume !false; [2021-11-22 15:19:48,232 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2021-11-22 15:19:48,232 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-11-22 15:19:48,232 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume !false; [2021-11-22 15:19:48,232 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##215: assume false; [2021-11-22 15:19:48,232 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2021-11-22 15:19:48,232 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2021-11-22 15:19:48,233 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##231: assume !false; [2021-11-22 15:19:48,233 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##230: assume false; [2021-11-22 15:19:48,233 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##236: assume !false; [2021-11-22 15:19:48,233 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##235: assume false; [2021-11-22 15:19:48,233 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2021-11-22 15:19:48,234 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2021-11-22 15:19:48,234 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##247: assume !false; [2021-11-22 15:19:48,234 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume false; [2021-11-22 15:19:48,234 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4251: assume false; [2021-11-22 15:19:48,234 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4252: assume !false; [2021-11-22 15:19:48,234 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4256: assume false; [2021-11-22 15:19:48,235 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4257: assume !false; [2021-11-22 15:19:48,235 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4241: assume false; [2021-11-22 15:19:48,235 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4242: assume !false; [2021-11-22 15:19:48,235 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##305: assume !false; [2021-11-22 15:19:48,235 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume false; [2021-11-22 15:19:48,235 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##309: assume false; [2021-11-22 15:19:48,236 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4237: assume !false; [2021-11-22 15:19:48,236 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4236: assume false; [2021-11-22 15:19:48,236 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##310: assume !false; [2021-11-22 15:19:48,236 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##315: assume !false; [2021-11-22 15:19:48,236 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##314: assume false; [2021-11-22 15:19:48,236 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4292: assume false; [2021-11-22 15:19:48,237 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4293: assume !false; [2021-11-22 15:19:48,237 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4299: assume false; [2021-11-22 15:19:48,237 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4288: assume !false; [2021-11-22 15:19:48,237 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4287: assume false; [2021-11-22 15:19:48,237 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4262: assume false; [2021-11-22 15:19:48,237 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4263: assume !false; [2021-11-22 15:19:48,238 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4267: assume false; [2021-11-22 15:19:48,238 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4268: assume !false; [2021-11-22 15:19:48,238 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##386: assume !false; [2021-11-22 15:19:48,238 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##385: assume false; [2021-11-22 15:19:48,238 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2021-11-22 15:19:48,238 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2021-11-22 15:19:48,239 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !false; [2021-11-22 15:19:48,239 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume false; [2021-11-22 15:19:48,239 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##339: assume false; [2021-11-22 15:19:48,239 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##340: assume !false; [2021-11-22 15:19:48,239 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume false; [2021-11-22 15:19:48,239 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##350: assume !false; [2021-11-22 15:19:48,240 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##355: assume !false; [2021-11-22 15:19:48,240 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##354: assume false; [2021-11-22 15:19:48,240 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume false; [2021-11-22 15:19:48,240 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !false; [2021-11-22 15:19:48,240 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume !false; [2021-11-22 15:19:48,240 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume false; [2021-11-22 15:19:48,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4139: assume false; [2021-11-22 15:19:48,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4181: assume false; [2021-11-22 15:19:48,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4182: assume !false; [2021-11-22 15:19:48,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4172: assume false; [2021-11-22 15:19:48,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4173: assume !false; [2021-11-22 15:19:48,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4163: assume false; [2021-11-22 15:19:48,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4164: assume !false; [2021-11-22 15:19:48,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4140: assume !false; [2021-11-22 15:19:48,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##518: assume !false; [2021-11-22 15:19:48,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##517: assume false; [2021-11-22 15:19:48,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##667: assume !false; [2021-11-22 15:19:48,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##666: assume false; [2021-11-22 15:19:48,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##676: assume !false; [2021-11-22 15:19:48,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##675: assume false; [2021-11-22 15:19:48,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2021-11-22 15:19:48,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2021-11-22 15:19:48,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##766: assume !false; [2021-11-22 15:19:48,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##765: assume false; [2021-11-22 15:19:48,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##771: assume !false; [2021-11-22 15:19:48,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##770: assume false; [2021-11-22 15:19:48,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##791: assume !false; [2021-11-22 15:19:48,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##790: assume false; [2021-11-22 15:19:48,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##796: assume !false; [2021-11-22 15:19:48,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##795: assume false; [2021-11-22 15:19:48,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3372: assume false; [2021-11-22 15:19:48,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3373: assume !false; [2021-11-22 15:19:48,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3367: assume false; [2021-11-22 15:19:48,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3368: assume !false; [2021-11-22 15:19:48,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##739: assume false; [2021-11-22 15:19:48,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##740: assume !false; [2021-11-22 15:19:48,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##745: assume !false; [2021-11-22 15:19:48,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##744: assume false; [2021-11-22 15:19:48,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3343: assume !false; [2021-11-22 15:19:48,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3342: assume false; [2021-11-22 15:19:48,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3347: assume false; [2021-11-22 15:19:48,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3348: assume !false; [2021-11-22 15:19:48,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##755: assume !false; [2021-11-22 15:19:48,247 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##754: assume false; [2021-11-22 15:19:48,247 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##759: assume false; [2021-11-22 15:19:48,247 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3332: assume !false; [2021-11-22 15:19:48,247 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3331: assume false; [2021-11-22 15:19:48,247 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3336: assume false; [2021-11-22 15:19:48,247 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##760: assume !false; [2021-11-22 15:19:48,248 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3337: assume !false; [2021-11-22 15:19:48,248 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3321: assume false; [2021-11-22 15:19:48,248 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3322: assume !false; [2021-11-22 15:19:48,248 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3316: assume false; [2021-11-22 15:19:48,248 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3317: assume !false; [2021-11-22 15:19:48,248 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##889: assume false; [2021-11-22 15:19:48,249 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3286: assume false; [2021-11-22 15:19:48,249 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3287: assume !false; [2021-11-22 15:19:48,249 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##890: assume !false; [2021-11-22 15:19:48,249 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3271: assume !false; [2021-11-22 15:19:48,249 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3270: assume false; [2021-11-22 15:19:48,249 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3260: assume false; [2021-11-22 15:19:48,250 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3261: assume !false; [2021-11-22 15:19:48,250 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3266: assume !false; [2021-11-22 15:19:48,250 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3265: assume false; [2021-11-22 15:19:48,250 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3253: assume false; [2021-11-22 15:19:48,250 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3254: assume !false; [2021-11-22 15:19:48,250 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3248: assume false; [2021-11-22 15:19:48,251 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3249: assume !false; [2021-11-22 15:19:48,251 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##859: assume !false; [2021-11-22 15:19:48,251 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##858: assume false; [2021-11-22 15:19:48,251 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##863: assume false; [2021-11-22 15:19:48,251 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##864: assume !false; [2021-11-22 15:19:48,251 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3224: assume !false; [2021-11-22 15:19:48,252 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3223: assume false; [2021-11-22 15:19:48,252 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3228: assume false; [2021-11-22 15:19:48,252 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3229: assume !false; [2021-11-22 15:19:48,252 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##874: assume !false; [2021-11-22 15:19:48,252 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##873: assume false; [2021-11-22 15:19:48,252 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##878: assume false; [2021-11-22 15:19:48,253 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##879: assume !false; [2021-11-22 15:19:48,253 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3213: assume !false; [2021-11-22 15:19:48,253 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3212: assume false; [2021-11-22 15:19:48,253 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3217: assume false; [2021-11-22 15:19:48,253 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3218: assume !false; [2021-11-22 15:19:48,253 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##885: assume !false; [2021-11-22 15:19:48,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##884: assume false; [2021-11-22 15:19:48,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##803: assume !false; [2021-11-22 15:19:48,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume false; [2021-11-22 15:19:48,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##808: assume !false; [2021-11-22 15:19:48,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##807: assume false; [2021-11-22 15:19:48,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##812: assume false; [2021-11-22 15:19:48,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##813: assume !false; [2021-11-22 15:19:48,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##829: assume !false; [2021-11-22 15:19:48,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##828: assume false; [2021-11-22 15:19:48,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##834: assume !false; [2021-11-22 15:19:48,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##833: assume false; [2021-11-22 15:19:48,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##838: assume false; [2021-11-22 15:19:48,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##839: assume !false; [2021-11-22 15:19:48,256 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3291: assume false; [2021-11-22 15:19:48,256 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3292: assume !false; [2021-11-22 15:19:48,256 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3297: assume !false; [2021-11-22 15:19:48,256 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3296: assume false; [2021-11-22 15:19:48,256 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3202: assume false; [2021-11-22 15:19:48,257 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3203: assume !false; [2021-11-22 15:19:48,257 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3143: assume !false; [2021-11-22 15:19:48,257 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3142: assume false; [2021-11-22 15:19:48,257 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3134: assume !false; [2021-11-22 15:19:48,257 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3133: assume false; [2021-11-22 15:19:48,257 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3125: assume !false; [2021-11-22 15:19:48,258 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3124: assume false; [2021-11-22 15:19:48,258 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3198: assume !false; [2021-11-22 15:19:48,258 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3197: assume false; [2021-11-22 15:19:48,258 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2021-11-22 15:19:48,258 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2021-11-22 15:19:48,258 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##915: assume !false; [2021-11-22 15:19:48,259 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##914: assume false; [2021-11-22 15:19:48,259 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4411: assume false; [2021-11-22 15:19:48,259 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4412: assume !false; [2021-11-22 15:19:48,259 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4406: assume false; [2021-11-22 15:19:48,259 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4407: assume !false; [2021-11-22 15:19:48,260 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1948: assume false; [2021-11-22 15:19:48,260 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1949: assume !false; [2021-11-22 15:19:48,261 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1953: assume false; [2021-11-22 15:19:48,261 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1954: assume !false; [2021-11-22 15:19:48,261 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1928: assume false; [2021-11-22 15:19:48,261 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1929: assume !false; [2021-11-22 15:19:48,261 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1917: assume false; [2021-11-22 15:19:48,261 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1918: assume !false; [2021-11-22 15:19:48,262 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1923: assume false; [2021-11-22 15:19:48,262 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1924: assume !false; [2021-11-22 15:19:48,262 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1912: assume false; [2021-11-22 15:19:48,262 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1913: assume !false; [2021-11-22 15:19:48,262 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1902: assume false; [2021-11-22 15:19:48,262 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1903: assume !false; [2021-11-22 15:19:48,263 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1897: assume false; [2021-11-22 15:19:48,263 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1898: assume !false; [2021-11-22 15:19:48,263 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1872: assume false; [2021-11-22 15:19:48,263 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1873: assume !false; [2021-11-22 15:19:48,263 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1877: assume false; [2021-11-22 15:19:48,263 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1878: assume !false; [2021-11-22 15:19:48,263 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1867: assume false; [2021-11-22 15:19:48,264 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1868: assume !false; [2021-11-22 15:19:48,264 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1851: assume false; [2021-11-22 15:19:48,264 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1852: assume !false; [2021-11-22 15:19:48,264 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1841: assume false; [2021-11-22 15:19:48,264 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1842: assume !false; [2021-11-22 15:19:48,264 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1846: assume false; [2021-11-22 15:19:48,265 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1847: assume !false; [2021-11-22 15:19:48,265 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1829: assume false; [2021-11-22 15:19:48,265 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1830: assume !false; [2021-11-22 15:19:48,265 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1834: assume false; [2021-11-22 15:19:48,265 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1835: assume !false; [2021-11-22 15:19:48,265 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1805: assume !false; [2021-11-22 15:19:48,266 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1809: assume false; [2021-11-22 15:19:48,266 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1810: assume !false; [2021-11-22 15:19:48,266 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1804: assume false; [2021-11-22 15:19:48,266 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1783: assume false; [2021-11-22 15:19:48,266 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1784: assume !false; [2021-11-22 15:19:48,266 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1778: assume false; [2021-11-22 15:19:48,267 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1779: assume !false; [2021-11-22 15:19:48,267 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1723: assume false; [2021-11-22 15:19:48,267 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1724: assume !false; [2021-11-22 15:19:48,267 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1706: assume !false; [2021-11-22 15:19:48,267 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1714: assume false; [2021-11-22 15:19:48,267 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1715: assume !false; [2021-11-22 15:19:48,268 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1793: assume false; [2021-11-22 15:19:48,268 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1794: assume !false; [2021-11-22 15:19:48,268 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1798: assume false; [2021-11-22 15:19:48,268 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1799: assume !false; [2021-11-22 15:19:48,269 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:19:48,307 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:19:48,307 INFO L301 CfgBuilder]: Removed 213 assume(true) statements. [2021-11-22 15:19:48,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:19:48 BoogieIcfgContainer [2021-11-22 15:19:48,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:19:48,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:19:48,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:19:48,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:19:48,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:19:24" (1/3) ... [2021-11-22 15:19:48,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6d2026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:19:48, skipping insertion in model container [2021-11-22 15:19:48,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:26" (2/3) ... [2021-11-22 15:19:48,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6d2026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:19:48, skipping insertion in model container [2021-11-22 15:19:48,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:19:48" (3/3) ... [2021-11-22 15:19:48,323 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-22 15:19:48,329 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:19:48,329 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2021-11-22 15:19:48,402 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:19:48,409 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 [2021-11-22 15:19:48,409 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2021-11-22 15:19:48,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 4736 states, 4716 states have (on average 1.344147582697201) internal successors, (6339), 4735 states have internal predecessors, (6339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 15:19:48,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:19:48,505 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:48,505 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:19:48,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:48,510 INFO L85 PathProgramCache]: Analyzing trace with hash -938745115, now seen corresponding path program 1 times [2021-11-22 15:19:48,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:48,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216037945] [2021-11-22 15:19:48,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:48,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:48,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:48,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:48,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216037945] [2021-11-22 15:19:48,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216037945] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:48,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:48,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:19:48,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960395185] [2021-11-22 15:19:48,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:48,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:19:48,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:48,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:19:48,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:19:48,983 INFO L87 Difference]: Start difference. First operand has 4736 states, 4716 states have (on average 1.344147582697201) internal successors, (6339), 4735 states have internal predecessors, (6339), 0 states have call successors, (0), 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 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:49,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:19:49,805 INFO L93 Difference]: Finished difference Result 13642 states and 18428 transitions. [2021-11-22 15:19:49,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:19:49,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2021-11-22 15:19:49,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:19:49,892 INFO L225 Difference]: With dead ends: 13642 [2021-11-22 15:19:49,892 INFO L226 Difference]: Without dead ends: 8863 [2021-11-22 15:19:49,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:19:49,913 INFO L933 BasicCegarLoop]: 6032 mSDtfsCounter, 5799 mSDsluCounter, 5703 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5799 SdHoareTripleChecker+Valid, 11735 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:19:49,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5799 Valid, 11735 Invalid, 107 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:19:49,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8863 states. [2021-11-22 15:19:50,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8863 to 8827. [2021-11-22 15:19:50,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8827 states, 8808 states have (on average 1.3005222524977293) internal successors, (11455), 8826 states have internal predecessors, (11455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8827 states to 8827 states and 11455 transitions. [2021-11-22 15:19:50,362 INFO L78 Accepts]: Start accepts. Automaton has 8827 states and 11455 transitions. Word has length 10 [2021-11-22 15:19:50,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:19:50,363 INFO L470 AbstractCegarLoop]: Abstraction has 8827 states and 11455 transitions. [2021-11-22 15:19:50,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:50,364 INFO L276 IsEmpty]: Start isEmpty. Operand 8827 states and 11455 transitions. [2021-11-22 15:19:50,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 15:19:50,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:19:50,371 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:50,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:19:50,371 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:19:50,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:50,374 INFO L85 PathProgramCache]: Analyzing trace with hash 694816285, now seen corresponding path program 1 times [2021-11-22 15:19:50,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:50,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520769487] [2021-11-22 15:19:50,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:50,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:50,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:50,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520769487] [2021-11-22 15:19:50,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520769487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:50,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:50,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:19:50,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709664007] [2021-11-22 15:19:50,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:50,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:19:50,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:50,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:19:50,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:19:50,524 INFO L87 Difference]: Start difference. First operand 8827 states and 11455 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:50,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:19:50,878 INFO L93 Difference]: Finished difference Result 17589 states and 22830 transitions. [2021-11-22 15:19:50,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:19:50,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2021-11-22 15:19:50,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:19:50,933 INFO L225 Difference]: With dead ends: 17589 [2021-11-22 15:19:50,933 INFO L226 Difference]: Without dead ends: 8827 [2021-11-22 15:19:50,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:19:50,951 INFO L933 BasicCegarLoop]: 5806 mSDtfsCounter, 1 mSDsluCounter, 11604 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17410 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:19:50,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 17410 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:19:50,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8827 states. [2021-11-22 15:19:51,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8827 to 8827. [2021-11-22 15:19:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8827 states, 8808 states have (on average 1.3002951861943688) internal successors, (11453), 8826 states have internal predecessors, (11453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:51,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8827 states to 8827 states and 11453 transitions. [2021-11-22 15:19:51,488 INFO L78 Accepts]: Start accepts. Automaton has 8827 states and 11453 transitions. Word has length 31 [2021-11-22 15:19:51,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:19:51,489 INFO L470 AbstractCegarLoop]: Abstraction has 8827 states and 11453 transitions. [2021-11-22 15:19:51,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 8827 states and 11453 transitions. [2021-11-22 15:19:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 15:19:51,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:19:51,493 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:51,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:19:51,493 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:19:51,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:51,494 INFO L85 PathProgramCache]: Analyzing trace with hash -533313842, now seen corresponding path program 1 times [2021-11-22 15:19:51,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:51,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191249169] [2021-11-22 15:19:51,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:51,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:51,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:51,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:51,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191249169] [2021-11-22 15:19:51,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191249169] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:51,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:51,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:19:51,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799368515] [2021-11-22 15:19:51,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:51,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:19:51,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:51,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:19:51,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:19:51,628 INFO L87 Difference]: Start difference. First operand 8827 states and 11453 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:52,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:19:52,039 INFO L93 Difference]: Finished difference Result 17646 states and 22896 transitions. [2021-11-22 15:19:52,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:19:52,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-11-22 15:19:52,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:19:52,114 INFO L225 Difference]: With dead ends: 17646 [2021-11-22 15:19:52,114 INFO L226 Difference]: Without dead ends: 8827 [2021-11-22 15:19:52,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:19:52,135 INFO L933 BasicCegarLoop]: 5800 mSDtfsCounter, 5797 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5797 SdHoareTripleChecker+Valid, 5800 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:19:52,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5797 Valid, 5800 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:19:52,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8827 states. [2021-11-22 15:19:52,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8827 to 8827. [2021-11-22 15:19:52,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8827 states, 8808 states have (on average 1.3000681198910082) internal successors, (11451), 8826 states have internal predecessors, (11451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:52,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8827 states to 8827 states and 11451 transitions. [2021-11-22 15:19:52,505 INFO L78 Accepts]: Start accepts. Automaton has 8827 states and 11451 transitions. Word has length 36 [2021-11-22 15:19:52,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:19:52,505 INFO L470 AbstractCegarLoop]: Abstraction has 8827 states and 11451 transitions. [2021-11-22 15:19:52,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 8827 states and 11451 transitions. [2021-11-22 15:19:52,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 15:19:52,508 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:19:52,508 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:52,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:19:52,509 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:19:52,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:52,510 INFO L85 PathProgramCache]: Analyzing trace with hash -510681588, now seen corresponding path program 1 times [2021-11-22 15:19:52,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:52,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75631060] [2021-11-22 15:19:52,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:52,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:52,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:52,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75631060] [2021-11-22 15:19:52,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75631060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:52,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:52,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:19:52,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107538973] [2021-11-22 15:19:52,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:52,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:19:52,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:52,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:19:52,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:19:52,603 INFO L87 Difference]: Start difference. First operand 8827 states and 11451 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:53,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:19:53,108 INFO L93 Difference]: Finished difference Result 17589 states and 22825 transitions. [2021-11-22 15:19:53,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:19:53,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-11-22 15:19:53,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:19:53,130 INFO L225 Difference]: With dead ends: 17589 [2021-11-22 15:19:53,130 INFO L226 Difference]: Without dead ends: 8817 [2021-11-22 15:19:53,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:19:53,151 INFO L933 BasicCegarLoop]: 5802 mSDtfsCounter, 1 mSDsluCounter, 11598 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17400 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:19:53,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 17400 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:19:53,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8817 states. [2021-11-22 15:19:53,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8817 to 8817. [2021-11-22 15:19:53,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8817 states, 8798 states have (on average 1.3000681973175723) internal successors, (11438), 8816 states have internal predecessors, (11438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8817 states to 8817 states and 11438 transitions. [2021-11-22 15:19:53,430 INFO L78 Accepts]: Start accepts. Automaton has 8817 states and 11438 transitions. Word has length 36 [2021-11-22 15:19:53,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:19:53,430 INFO L470 AbstractCegarLoop]: Abstraction has 8817 states and 11438 transitions. [2021-11-22 15:19:53,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 8817 states and 11438 transitions. [2021-11-22 15:19:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 15:19:53,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:19:53,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:53,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:19:53,435 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:19:53,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:53,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1524565376, now seen corresponding path program 1 times [2021-11-22 15:19:53,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:53,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95445861] [2021-11-22 15:19:53,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:53,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:53,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:53,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:53,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95445861] [2021-11-22 15:19:53,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95445861] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:53,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:53,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:19:53,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891856599] [2021-11-22 15:19:53,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:53,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:19:53,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:53,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:19:53,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:19:53,565 INFO L87 Difference]: Start difference. First operand 8817 states and 11438 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:53,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:19:53,919 INFO L93 Difference]: Finished difference Result 17623 states and 22864 transitions. [2021-11-22 15:19:53,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:19:53,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2021-11-22 15:19:53,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:19:53,944 INFO L225 Difference]: With dead ends: 17623 [2021-11-22 15:19:53,945 INFO L226 Difference]: Without dead ends: 8855 [2021-11-22 15:19:53,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:19:53,959 INFO L933 BasicCegarLoop]: 5786 mSDtfsCounter, 5822 mSDsluCounter, 5790 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5822 SdHoareTripleChecker+Valid, 11576 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:19:53,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5822 Valid, 11576 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:19:53,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8855 states. [2021-11-22 15:19:54,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8855 to 8818. [2021-11-22 15:19:54,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8818 states, 8799 states have (on average 1.300034094783498) internal successors, (11439), 8817 states have internal predecessors, (11439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8818 states to 8818 states and 11439 transitions. [2021-11-22 15:19:54,386 INFO L78 Accepts]: Start accepts. Automaton has 8818 states and 11439 transitions. Word has length 41 [2021-11-22 15:19:54,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:19:54,387 INFO L470 AbstractCegarLoop]: Abstraction has 8818 states and 11439 transitions. [2021-11-22 15:19:54,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:54,387 INFO L276 IsEmpty]: Start isEmpty. Operand 8818 states and 11439 transitions. [2021-11-22 15:19:54,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 15:19:54,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:19:54,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:54,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:19:54,389 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:19:54,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:54,390 INFO L85 PathProgramCache]: Analyzing trace with hash 532060300, now seen corresponding path program 1 times [2021-11-22 15:19:54,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:54,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860509870] [2021-11-22 15:19:54,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:54,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 15:19:54,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:54,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860509870] [2021-11-22 15:19:54,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860509870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:54,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:54,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:19:54,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677828607] [2021-11-22 15:19:54,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:54,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:19:54,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:54,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:19:54,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:19:54,524 INFO L87 Difference]: Start difference. First operand 8818 states and 11439 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:55,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:19:55,190 INFO L93 Difference]: Finished difference Result 13253 states and 17163 transitions. [2021-11-22 15:19:55,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:19:55,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2021-11-22 15:19:55,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:19:55,224 INFO L225 Difference]: With dead ends: 13253 [2021-11-22 15:19:55,224 INFO L226 Difference]: Without dead ends: 13217 [2021-11-22 15:19:55,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:19:55,231 INFO L933 BasicCegarLoop]: 11351 mSDtfsCounter, 11337 mSDsluCounter, 11389 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11337 SdHoareTripleChecker+Valid, 22740 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:19:55,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11337 Valid, 22740 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:19:55,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13217 states. [2021-11-22 15:19:55,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13217 to 13161. [2021-11-22 15:19:55,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13161 states, 13142 states have (on average 1.3003348044437681) internal successors, (17089), 13160 states have internal predecessors, (17089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:55,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13161 states to 13161 states and 17089 transitions. [2021-11-22 15:19:55,745 INFO L78 Accepts]: Start accepts. Automaton has 13161 states and 17089 transitions. Word has length 54 [2021-11-22 15:19:55,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:19:55,745 INFO L470 AbstractCegarLoop]: Abstraction has 13161 states and 17089 transitions. [2021-11-22 15:19:55,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:55,746 INFO L276 IsEmpty]: Start isEmpty. Operand 13161 states and 17089 transitions. [2021-11-22 15:19:55,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 15:19:55,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:19:55,748 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:55,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 15:19:55,748 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:19:55,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:55,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1233124878, now seen corresponding path program 1 times [2021-11-22 15:19:55,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:55,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947777749] [2021-11-22 15:19:55,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:55,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:55,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:55,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947777749] [2021-11-22 15:19:55,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947777749] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:19:55,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342594708] [2021-11-22 15:19:55,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:55,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:19:55,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:19:55,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:19:55,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 15:19:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:56,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 15:19:56,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:19:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:56,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:19:56,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:56,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342594708] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:19:56,950 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 15:19:56,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2021-11-22 15:19:56,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025844044] [2021-11-22 15:19:56,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 15:19:56,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 15:19:56,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:56,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 15:19:56,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2021-11-22 15:19:56,953 INFO L87 Difference]: Start difference. First operand 13161 states and 17089 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 11 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:57,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:19:57,891 INFO L93 Difference]: Finished difference Result 26386 states and 34255 transitions. [2021-11-22 15:19:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 15:19:57,892 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 11 states have internal predecessors, (90), 0 states have call successors, (0), 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 54 [2021-11-22 15:19:57,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:19:57,927 INFO L225 Difference]: With dead ends: 26386 [2021-11-22 15:19:57,927 INFO L226 Difference]: Without dead ends: 13275 [2021-11-22 15:19:57,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2021-11-22 15:19:57,951 INFO L933 BasicCegarLoop]: 5786 mSDtfsCounter, 11876 mSDsluCounter, 17445 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11876 SdHoareTripleChecker+Valid, 23231 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:19:57,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11876 Valid, 23231 Invalid, 43 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:19:57,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13275 states. [2021-11-22 15:19:58,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13275 to 13275. [2021-11-22 15:19:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13275 states, 13256 states have (on average 1.2991098370549186) internal successors, (17221), 13274 states have internal predecessors, (17221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13275 states to 13275 states and 17221 transitions. [2021-11-22 15:19:58,492 INFO L78 Accepts]: Start accepts. Automaton has 13275 states and 17221 transitions. Word has length 54 [2021-11-22 15:19:58,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:19:58,492 INFO L470 AbstractCegarLoop]: Abstraction has 13275 states and 17221 transitions. [2021-11-22 15:19:58,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 11 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand 13275 states and 17221 transitions. [2021-11-22 15:19:58,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 15:19:58,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:19:58,496 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:58,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:19:58,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-22 15:19:58,719 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:19:58,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:58,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1414024702, now seen corresponding path program 2 times [2021-11-22 15:19:58,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:58,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941946712] [2021-11-22 15:19:58,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:58,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:59,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:59,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941946712] [2021-11-22 15:19:59,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941946712] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:19:59,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199169338] [2021-11-22 15:19:59,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 15:19:59,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:19:59,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:19:59,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:19:59,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 15:19:59,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-22 15:19:59,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 15:19:59,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 15:19:59,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:19:59,798 INFO L354 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2021-11-22 15:19:59,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 50 [2021-11-22 15:19:59,827 INFO L354 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2021-11-22 15:19:59,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 49 [2021-11-22 15:20:05,145 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:20:05,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 56 [2021-11-22 15:20:05,154 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:20:05,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 38 [2021-11-22 15:20:05,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-11-22 15:20:05,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-22 15:20:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-22 15:20:05,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:20:05,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199169338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:05,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 15:20:05,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2021-11-22 15:20:05,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705073079] [2021-11-22 15:20:05,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:05,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:20:05,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:05,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:20:05,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-22 15:20:05,246 INFO L87 Difference]: Start difference. First operand 13275 states and 17221 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:05,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:05,942 INFO L93 Difference]: Finished difference Result 26458 states and 34334 transitions. [2021-11-22 15:20:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:20:05,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 93 [2021-11-22 15:20:05,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:05,978 INFO L225 Difference]: With dead ends: 26458 [2021-11-22 15:20:05,978 INFO L226 Difference]: Without dead ends: 13351 [2021-11-22 15:20:06,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-22 15:20:06,001 INFO L933 BasicCegarLoop]: 5784 mSDtfsCounter, 15 mSDsluCounter, 10481 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 16265 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1079 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:06,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 16265 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 1079 Unchecked, 0.0s Time] [2021-11-22 15:20:06,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13351 states. [2021-11-22 15:20:06,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13351 to 13331. [2021-11-22 15:20:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13331 states, 13312 states have (on average 1.2983774038461537) internal successors, (17284), 13330 states have internal predecessors, (17284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13331 states to 13331 states and 17284 transitions. [2021-11-22 15:20:06,741 INFO L78 Accepts]: Start accepts. Automaton has 13331 states and 17284 transitions. Word has length 93 [2021-11-22 15:20:06,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:06,742 INFO L470 AbstractCegarLoop]: Abstraction has 13331 states and 17284 transitions. [2021-11-22 15:20:06,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:06,742 INFO L276 IsEmpty]: Start isEmpty. Operand 13331 states and 17284 transitions. [2021-11-22 15:20:06,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 15:20:06,744 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:06,744 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:06,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:20:06,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:20:06,971 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:20:06,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:06,972 INFO L85 PathProgramCache]: Analyzing trace with hash 125310932, now seen corresponding path program 1 times [2021-11-22 15:20:06,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:06,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113260316] [2021-11-22 15:20:06,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:06,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 15:20:07,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:07,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113260316] [2021-11-22 15:20:07,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113260316] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:20:07,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925220003] [2021-11-22 15:20:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:07,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:20:07,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:20:07,195 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:20:07,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 15:20:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:07,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 1550 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 15:20:07,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:20:08,287 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 15:20:08,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:20:08,572 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 15:20:08,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925220003] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:20:08,574 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 15:20:08,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2021-11-22 15:20:08,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120485783] [2021-11-22 15:20:08,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 15:20:08,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-22 15:20:08,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:08,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-22 15:20:08,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=222, Unknown=0, NotChecked=0, Total=380 [2021-11-22 15:20:08,577 INFO L87 Difference]: Start difference. First operand 13331 states and 17284 transitions. Second operand has 20 states, 20 states have (on average 10.5) internal successors, (210), 20 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:09,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:09,218 INFO L93 Difference]: Finished difference Result 26660 states and 34573 transitions. [2021-11-22 15:20:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-22 15:20:09,218 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 10.5) internal successors, (210), 20 states have internal predecessors, (210), 0 states have call successors, (0), 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 96 [2021-11-22 15:20:09,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:09,345 INFO L225 Difference]: With dead ends: 26660 [2021-11-22 15:20:09,345 INFO L226 Difference]: Without dead ends: 13547 [2021-11-22 15:20:09,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=197, Invalid=309, Unknown=0, NotChecked=0, Total=506 [2021-11-22 15:20:09,359 INFO L933 BasicCegarLoop]: 5786 mSDtfsCounter, 6763 mSDsluCounter, 34876 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6763 SdHoareTripleChecker+Valid, 40662 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:09,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6763 Valid, 40662 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:20:09,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13547 states. [2021-11-22 15:20:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13547 to 13547. [2021-11-22 15:20:09,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13547 states, 13528 states have (on average 1.295978710821999) internal successors, (17532), 13546 states have internal predecessors, (17532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:09,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13547 states to 13547 states and 17532 transitions. [2021-11-22 15:20:09,762 INFO L78 Accepts]: Start accepts. Automaton has 13547 states and 17532 transitions. Word has length 96 [2021-11-22 15:20:09,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:09,762 INFO L470 AbstractCegarLoop]: Abstraction has 13547 states and 17532 transitions. [2021-11-22 15:20:09,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 10.5) internal successors, (210), 20 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:09,763 INFO L276 IsEmpty]: Start isEmpty. Operand 13547 states and 17532 transitions. [2021-11-22 15:20:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-22 15:20:09,765 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:09,766 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:09,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:20:09,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:20:09,991 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:20:09,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:09,991 INFO L85 PathProgramCache]: Analyzing trace with hash -326831916, now seen corresponding path program 2 times [2021-11-22 15:20:09,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:09,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118541310] [2021-11-22 15:20:09,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:09,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2021-11-22 15:20:10,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:10,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118541310] [2021-11-22 15:20:10,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118541310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:10,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:10,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:20:10,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169913832] [2021-11-22 15:20:10,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:10,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:20:10,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:10,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:20:10,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:20:10,271 INFO L87 Difference]: Start difference. First operand 13547 states and 17532 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:10,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:10,713 INFO L93 Difference]: Finished difference Result 26943 states and 34891 transitions. [2021-11-22 15:20:10,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:20:10,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 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 148 [2021-11-22 15:20:10,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:10,746 INFO L225 Difference]: With dead ends: 26943 [2021-11-22 15:20:10,746 INFO L226 Difference]: Without dead ends: 13387 [2021-11-22 15:20:10,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:20:10,769 INFO L933 BasicCegarLoop]: 5789 mSDtfsCounter, 1 mSDsluCounter, 11568 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17357 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:10,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 17357 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:20:10,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13387 states. [2021-11-22 15:20:11,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13387 to 13387. [2021-11-22 15:20:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13387 states, 13368 states have (on average 1.2966038300418912) internal successors, (17333), 13386 states have internal predecessors, (17333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:11,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13387 states to 13387 states and 17333 transitions. [2021-11-22 15:20:11,383 INFO L78 Accepts]: Start accepts. Automaton has 13387 states and 17333 transitions. Word has length 148 [2021-11-22 15:20:11,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:11,385 INFO L470 AbstractCegarLoop]: Abstraction has 13387 states and 17333 transitions. [2021-11-22 15:20:11,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 13387 states and 17333 transitions. [2021-11-22 15:20:11,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-22 15:20:11,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:11,393 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:11,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 15:20:11,394 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:20:11,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:11,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1363693882, now seen corresponding path program 1 times [2021-11-22 15:20:11,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:11,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988577064] [2021-11-22 15:20:11,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:11,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2021-11-22 15:20:11,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:11,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988577064] [2021-11-22 15:20:11,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988577064] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:11,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:11,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 15:20:11,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289213942] [2021-11-22 15:20:11,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:11,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 15:20:11,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:11,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 15:20:11,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:20:11,950 INFO L87 Difference]: Start difference. First operand 13387 states and 17333 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:13,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:13,294 INFO L93 Difference]: Finished difference Result 39790 states and 51541 transitions. [2021-11-22 15:20:13,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 15:20:13,294 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 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 233 [2021-11-22 15:20:13,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:13,361 INFO L225 Difference]: With dead ends: 39790 [2021-11-22 15:20:13,361 INFO L226 Difference]: Without dead ends: 26385 [2021-11-22 15:20:13,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-22 15:20:13,387 INFO L933 BasicCegarLoop]: 5758 mSDtfsCounter, 5638 mSDsluCounter, 28709 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5638 SdHoareTripleChecker+Valid, 34467 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:13,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5638 Valid, 34467 Invalid, 235 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:20:13,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26385 states. [2021-11-22 15:20:14,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26385 to 13387. [2021-11-22 15:20:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13387 states, 13368 states have (on average 1.2960053859964094) internal successors, (17325), 13386 states have internal predecessors, (17325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13387 states to 13387 states and 17325 transitions. [2021-11-22 15:20:14,169 INFO L78 Accepts]: Start accepts. Automaton has 13387 states and 17325 transitions. Word has length 233 [2021-11-22 15:20:14,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:14,169 INFO L470 AbstractCegarLoop]: Abstraction has 13387 states and 17325 transitions. [2021-11-22 15:20:14,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 13387 states and 17325 transitions. [2021-11-22 15:20:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-22 15:20:14,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:14,175 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:14,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 15:20:14,175 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:20:14,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:14,176 INFO L85 PathProgramCache]: Analyzing trace with hash -73963006, now seen corresponding path program 1 times [2021-11-22 15:20:14,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:14,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586192189] [2021-11-22 15:20:14,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:14,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:14,671 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2021-11-22 15:20:14,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:14,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586192189] [2021-11-22 15:20:14,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586192189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:14,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:14,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:20:14,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30985610] [2021-11-22 15:20:14,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:14,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:20:14,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:14,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:20:14,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:20:14,675 INFO L87 Difference]: Start difference. First operand 13387 states and 17325 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:16,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:16,124 INFO L93 Difference]: Finished difference Result 39743 states and 51478 transitions. [2021-11-22 15:20:16,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:20:16,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 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 257 [2021-11-22 15:20:16,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:16,178 INFO L225 Difference]: With dead ends: 39743 [2021-11-22 15:20:16,178 INFO L226 Difference]: Without dead ends: 26361 [2021-11-22 15:20:16,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:20:16,212 INFO L933 BasicCegarLoop]: 5760 mSDtfsCounter, 5629 mSDsluCounter, 17206 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5629 SdHoareTripleChecker+Valid, 22966 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:16,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5629 Valid, 22966 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:20:16,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26361 states. [2021-11-22 15:20:16,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26361 to 13387. [2021-11-22 15:20:16,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13387 states, 13368 states have (on average 1.2954069419509275) internal successors, (17317), 13386 states have internal predecessors, (17317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13387 states to 13387 states and 17317 transitions. [2021-11-22 15:20:16,814 INFO L78 Accepts]: Start accepts. Automaton has 13387 states and 17317 transitions. Word has length 257 [2021-11-22 15:20:16,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:16,815 INFO L470 AbstractCegarLoop]: Abstraction has 13387 states and 17317 transitions. [2021-11-22 15:20:16,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 13387 states and 17317 transitions. [2021-11-22 15:20:16,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-22 15:20:16,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:16,819 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:16,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 15:20:16,820 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:20:16,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:16,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1869469022, now seen corresponding path program 1 times [2021-11-22 15:20:16,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:16,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569413345] [2021-11-22 15:20:16,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:16,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:17,390 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2021-11-22 15:20:17,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:17,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569413345] [2021-11-22 15:20:17,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569413345] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:17,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:17,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:20:17,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581151185] [2021-11-22 15:20:17,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:17,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:20:17,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:17,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:20:17,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:20:17,396 INFO L87 Difference]: Start difference. First operand 13387 states and 17317 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:18,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:18,412 INFO L93 Difference]: Finished difference Result 39625 states and 51342 transitions. [2021-11-22 15:20:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:20:18,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 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 281 [2021-11-22 15:20:18,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:18,471 INFO L225 Difference]: With dead ends: 39625 [2021-11-22 15:20:18,471 INFO L226 Difference]: Without dead ends: 26250 [2021-11-22 15:20:18,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:20:18,496 INFO L933 BasicCegarLoop]: 10875 mSDtfsCounter, 5607 mSDsluCounter, 27436 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5607 SdHoareTripleChecker+Valid, 38311 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:18,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5607 Valid, 38311 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:20:18,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26250 states. [2021-11-22 15:20:19,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26250 to 13387. [2021-11-22 15:20:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13387 states, 13368 states have (on average 1.294808497905446) internal successors, (17309), 13386 states have internal predecessors, (17309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:19,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13387 states to 13387 states and 17309 transitions. [2021-11-22 15:20:19,276 INFO L78 Accepts]: Start accepts. Automaton has 13387 states and 17309 transitions. Word has length 281 [2021-11-22 15:20:19,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:19,276 INFO L470 AbstractCegarLoop]: Abstraction has 13387 states and 17309 transitions. [2021-11-22 15:20:19,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:19,276 INFO L276 IsEmpty]: Start isEmpty. Operand 13387 states and 17309 transitions. [2021-11-22 15:20:19,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-22 15:20:19,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:19,284 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:19,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 15:20:19,285 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:20:19,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:19,286 INFO L85 PathProgramCache]: Analyzing trace with hash 925556354, now seen corresponding path program 1 times [2021-11-22 15:20:19,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:19,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619520613] [2021-11-22 15:20:19,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:19,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 3 proven. 505 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2021-11-22 15:20:41,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:41,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619520613] [2021-11-22 15:20:41,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619520613] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:20:41,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245089993] [2021-11-22 15:20:41,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:41,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:20:41,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:20:41,150 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:20:41,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 15:20:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:47,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 3949 conjuncts, 545 conjunts are in the unsatisfiable core [2021-11-22 15:20:48,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:20:48,059 INFO L354 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2021-11-22 15:20:48,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 50 [2021-11-22 15:20:48,077 INFO L354 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2021-11-22 15:20:48,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 49 [2021-11-22 15:20:50,984 INFO L354 Elim1Store]: treesize reduction 109, result has 18.0 percent of original size [2021-11-22 15:20:50,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 36 treesize of output 46 [2021-11-22 15:20:53,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:20:53,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:20:53,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:20:53,392 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-22 15:20:53,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 45 [2021-11-22 15:21:07,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:21:07,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:21:07,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:21:07,747 INFO L354 Elim1Store]: treesize reduction 118, result has 22.4 percent of original size [2021-11-22 15:21:07,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 40 treesize of output 60 [2021-11-22 15:21:11,019 INFO L354 Elim1Store]: treesize reduction 23, result has 43.9 percent of original size [2021-11-22 15:21:11,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 87 [2021-11-22 15:21:11,070 INFO L354 Elim1Store]: treesize reduction 23, result has 43.9 percent of original size [2021-11-22 15:21:11,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 105 [2021-11-22 15:21:11,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-11-22 15:21:17,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-11-22 15:21:50,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:21:50,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:21:50,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:21:50,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:21:50,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:21:50,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:21:50,138 INFO L354 Elim1Store]: treesize reduction 110, result has 20.3 percent of original size [2021-11-22 15:21:50,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 53 treesize of output 80 [2021-11-22 15:23:34,155 INFO L354 Elim1Store]: treesize reduction 23, result has 43.9 percent of original size [2021-11-22 15:23:34,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 141 [2021-11-22 15:23:34,267 INFO L354 Elim1Store]: treesize reduction 23, result has 43.9 percent of original size [2021-11-22 15:23:34,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 154 [2021-11-22 15:23:34,325 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Should have been eliminated by DER [2021-11-22 15:23:34,326 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-22 15:23:34,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2021-11-22 15:23:34,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679334116] [2021-11-22 15:23:34,326 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-22 15:23:34,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-22 15:23:34,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:23:34,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-22 15:23:34,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=2652, Unknown=22, NotChecked=0, Total=3080 [2021-11-22 15:23:34,328 INFO L87 Difference]: Start difference. First operand 13387 states and 17309 transitions. Second operand has 43 states, 43 states have (on average 3.395348837209302) internal successors, (146), 42 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:23:34,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:23:34,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 111 SyntacticMatches, 15 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1706 ImplicationChecksByTransitivity, 74.4s TimeCoverageRelationStatistics Valid=406, Invalid=2652, Unknown=22, NotChecked=0, Total=3080 [2021-11-22 15:23:34,330 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:23:34,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:23:34,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:23:34,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-22 15:23:34,532 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@27754466 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:455) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:103) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-22 15:23:34,538 INFO L158 Benchmark]: Toolchain (without parser) took 250392.35ms. Allocated memory was 117.4MB in the beginning and 4.1GB in the end (delta: 4.0GB). Free memory was 80.5MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2021-11-22 15:23:34,538 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:23:34,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2145.47ms. Allocated memory was 117.4MB in the beginning and 169.9MB in the end (delta: 52.4MB). Free memory was 80.3MB in the beginning and 95.9MB in the end (delta: -15.6MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. [2021-11-22 15:23:34,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 879.51ms. Allocated memory was 169.9MB in the beginning and 274.7MB in the end (delta: 104.9MB). Free memory was 95.9MB in the beginning and 149.2MB in the end (delta: -53.3MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2021-11-22 15:23:34,540 INFO L158 Benchmark]: Boogie Preprocessor took 1280.72ms. Allocated memory is still 274.7MB. Free memory was 149.2MB in the beginning and 78.4MB in the end (delta: 70.8MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2021-11-22 15:23:34,540 INFO L158 Benchmark]: RCFGBuilder took 19858.71ms. Allocated memory was 274.7MB in the beginning and 1.2GB in the end (delta: 933.2MB). Free memory was 78.4MB in the beginning and 856.6MB in the end (delta: -778.2MB). Peak memory consumption was 533.1MB. Max. memory is 16.1GB. [2021-11-22 15:23:34,541 INFO L158 Benchmark]: TraceAbstraction took 226221.42ms. Allocated memory was 1.2GB in the beginning and 4.1GB in the end (delta: 2.9GB). Free memory was 855.6MB in the beginning and 1.8GB in the end (delta: -898.2MB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2021-11-22 15:23:34,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2145.47ms. Allocated memory was 117.4MB in the beginning and 169.9MB in the end (delta: 52.4MB). Free memory was 80.3MB in the beginning and 95.9MB in the end (delta: -15.6MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 879.51ms. Allocated memory was 169.9MB in the beginning and 274.7MB in the end (delta: 104.9MB). Free memory was 95.9MB in the beginning and 149.2MB in the end (delta: -53.3MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1280.72ms. Allocated memory is still 274.7MB. Free memory was 149.2MB in the beginning and 78.4MB in the end (delta: 70.8MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * RCFGBuilder took 19858.71ms. Allocated memory was 274.7MB in the beginning and 1.2GB in the end (delta: 933.2MB). Free memory was 78.4MB in the beginning and 856.6MB in the end (delta: -778.2MB). Peak memory consumption was 533.1MB. Max. memory is 16.1GB. * TraceAbstraction took 226221.42ms. Allocated memory was 1.2GB in the beginning and 4.1GB in the end (delta: 2.9GB). Free memory was 855.6MB in the beginning and 1.8GB in the end (delta: -898.2MB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@27754466 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@27754466: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 15:23:34,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0 --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 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:23:37,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:23:37,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:23:37,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:23:37,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:23:37,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:23:37,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:23:37,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:23:37,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:23:37,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:23:37,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:23:37,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:23:37,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:23:37,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:23:37,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:23:37,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:23:37,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:23:37,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:23:37,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:23:37,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:23:37,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:23:37,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:23:37,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:23:37,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:23:37,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:23:37,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:23:37,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:23:37,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:23:37,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:23:37,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:23:37,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:23:37,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:23:37,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:23:37,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:23:37,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:23:37,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:23:37,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:23:37,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:23:37,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:23:37,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:23:37,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:23:37,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-22 15:23:37,229 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:23:37,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:23:37,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:23:37,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:23:37,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:23:37,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:23:37,233 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:23:37,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:23:37,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:23:37,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:23:37,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:23:37,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:23:37,235 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 15:23:37,235 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 15:23:37,235 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 15:23:37,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:23:37,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:23:37,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:23:37,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:23:37,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:23:37,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:23:37,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:23:37,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:23:37,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:23:37,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:23:37,238 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 15:23:37,238 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 15:23:37,239 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:23:37,239 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:23:37,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:23:37,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:23:37,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 15:23:37,240 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2021-11-22 15:23:37,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:23:37,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:23:37,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:23:37,687 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:23:37,687 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:23:37,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-22 15:23:37,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/data/a5b2b5d30/668f9911715444cc800467d7e26ae634/FLAG1ce7dcb4e [2021-11-22 15:23:38,712 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:23:38,713 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-22 15:23:38,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/data/a5b2b5d30/668f9911715444cc800467d7e26ae634/FLAG1ce7dcb4e [2021-11-22 15:23:39,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/data/a5b2b5d30/668f9911715444cc800467d7e26ae634 [2021-11-22 15:23:39,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:23:39,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:23:39,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:23:39,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:23:39,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:23:39,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:23:39" (1/1) ... [2021-11-22 15:23:39,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498bc505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:39, skipping insertion in model container [2021-11-22 15:23:39,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:23:39" (1/1) ... [2021-11-22 15:23:39,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:23:39,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:23:41,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-22 15:23:41,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:23:41,088 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-22 15:23:41,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:23:41,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-22 15:23:41,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:23:41,475 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:23:41,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-22 15:23:41,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:23:41,944 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:23:41,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:41 WrapperNode [2021-11-22 15:23:41,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:23:41,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:23:41,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:23:41,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:23:41,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:41" (1/1) ... [2021-11-22 15:23:42,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:41" (1/1) ... [2021-11-22 15:23:42,825 INFO L137 Inliner]: procedures = 251, calls = 1201, calls flagged for inlining = 365, calls inlined = 1955, statements flattened = 26834 [2021-11-22 15:23:42,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:23:42,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:23:42,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:23:42,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:23:42,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:41" (1/1) ... [2021-11-22 15:23:42,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:41" (1/1) ... [2021-11-22 15:23:43,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:41" (1/1) ... [2021-11-22 15:23:43,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:41" (1/1) ... [2021-11-22 15:23:43,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:41" (1/1) ... [2021-11-22 15:23:43,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:41" (1/1) ... [2021-11-22 15:23:43,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:41" (1/1) ... [2021-11-22 15:23:43,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:23:43,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:23:43,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:23:43,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:23:43,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:41" (1/1) ... [2021-11-22 15:23:43,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:23:43,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:23:44,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:23:44,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:23:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-22 15:23:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-22 15:23:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 15:23:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 15:23:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-22 15:23:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 15:23:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:23:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:23:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-22 15:23:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-22 15:23:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-22 15:23:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:23:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 15:23:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 15:23:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 15:23:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-22 15:23:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-22 15:23:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-22 15:23:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-22 15:23:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-22 15:23:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-22 15:23:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:23:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:23:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:23:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 15:23:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-22 15:23:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-22 15:23:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-22 15:23:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-22 15:23:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:23:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:23:44,845 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:23:44,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:23:44,874 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 15:23:44,948 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 15:23:45,103 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 15:23:45,205 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 15:30:32,886 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1293: assume false; [2021-11-22 15:30:32,886 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1294: assume !false; [2021-11-22 15:30:32,887 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1299: assume false; [2021-11-22 15:30:32,887 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1288: assume false; [2021-11-22 15:30:32,887 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1289: assume !false; [2021-11-22 15:30:32,887 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1273: assume false; [2021-11-22 15:30:32,887 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1274: assume !false; [2021-11-22 15:30:32,887 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1278: assume false; [2021-11-22 15:30:32,887 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1279: assume !false; [2021-11-22 15:30:32,887 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2511: assume !false; [2021-11-22 15:30:32,888 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2510: assume false; [2021-11-22 15:30:32,888 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2517: assume !false; [2021-11-22 15:30:32,888 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2516: assume false; [2021-11-22 15:30:32,888 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2506: assume !false; [2021-11-22 15:30:32,888 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2505: assume false; [2021-11-22 15:30:32,888 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1253: assume false; [2021-11-22 15:30:32,888 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1254: assume !false; [2021-11-22 15:30:32,889 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1243: assume false; [2021-11-22 15:30:32,889 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1244: assume !false; [2021-11-22 15:30:32,889 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1248: assume false; [2021-11-22 15:30:32,889 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1249: assume !false; [2021-11-22 15:30:32,889 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1222: assume false; [2021-11-22 15:30:32,889 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1223: assume !false; [2021-11-22 15:30:32,889 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1227: assume false; [2021-11-22 15:30:32,890 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1228: assume !false; [2021-11-22 15:30:32,890 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-11-22 15:30:32,890 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2542: assume !false; [2021-11-22 15:30:32,890 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-11-22 15:30:32,890 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2541: assume false; [2021-11-22 15:30:32,891 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2546: assume false; [2021-11-22 15:30:32,891 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1217: assume false; [2021-11-22 15:30:32,891 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2547: assume !false; [2021-11-22 15:30:32,891 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume !false; [2021-11-22 15:30:32,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1205: assume false; [2021-11-22 15:30:32,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1206: assume !false; [2021-11-22 15:30:32,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2522: assume !false; [2021-11-22 15:30:32,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2521: assume false; [2021-11-22 15:30:32,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1180: assume false; [2021-11-22 15:30:32,893 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1181: assume !false; [2021-11-22 15:30:32,893 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1185: assume false; [2021-11-22 15:30:32,893 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1186: assume !false; [2021-11-22 15:30:32,893 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1170: assume !false; [2021-11-22 15:30:32,893 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1174: assume false; [2021-11-22 15:30:32,894 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1175: assume !false; [2021-11-22 15:30:32,894 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2490: assume false; [2021-11-22 15:30:32,894 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2021-11-22 15:30:32,894 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2491: assume !false; [2021-11-22 15:30:32,894 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2496: assume !false; [2021-11-22 15:30:32,894 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2495: assume false; [2021-11-22 15:30:32,895 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1169: assume false; [2021-11-22 15:30:32,895 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1154: assume false; [2021-11-22 15:30:32,895 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1155: assume !false; [2021-11-22 15:30:32,895 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2021-11-22 15:30:32,896 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2470: assume false; [2021-11-22 15:30:32,896 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2471: assume !false; [2021-11-22 15:30:32,896 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2461: assume !false; [2021-11-22 15:30:32,896 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2460: assume false; [2021-11-22 15:30:32,896 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2465: assume false; [2021-11-22 15:30:32,896 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2466: assume !false; [2021-11-22 15:30:32,897 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2440: assume !false; [2021-11-22 15:30:32,897 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2445: assume !false; [2021-11-22 15:30:32,897 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2444: assume false; [2021-11-22 15:30:32,897 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1100: assume !false; [2021-11-22 15:30:32,897 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2434: assume false; [2021-11-22 15:30:32,897 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2435: assume !false; [2021-11-22 15:30:32,898 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2439: assume false; [2021-11-22 15:30:32,898 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2423: assume !false; [2021-11-22 15:30:32,898 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2422: assume false; [2021-11-22 15:30:32,898 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2427: assume false; [2021-11-22 15:30:32,898 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2428: assume !false; [2021-11-22 15:30:32,899 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2403: assume !false; [2021-11-22 15:30:32,899 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2402: assume false; [2021-11-22 15:30:32,899 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1090: assume false; [2021-11-22 15:30:32,899 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1091: assume !false; [2021-11-22 15:30:32,899 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1099: assume false; [2021-11-22 15:30:32,899 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1081: assume false; [2021-11-22 15:30:32,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1082: assume !false; [2021-11-22 15:30:32,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2391: assume false; [2021-11-22 15:30:32,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2392: assume !false; [2021-11-22 15:30:32,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2397: assume false; [2021-11-22 15:30:32,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2398: assume !false; [2021-11-22 15:30:32,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2386: assume false; [2021-11-22 15:30:32,901 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1057: assume false; [2021-11-22 15:30:32,901 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2387: assume !false; [2021-11-22 15:30:32,901 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1058: assume !false; [2021-11-22 15:30:32,901 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2371: assume false; [2021-11-22 15:30:32,901 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2372: assume !false; [2021-11-22 15:30:32,902 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2377: assume !false; [2021-11-22 15:30:32,902 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2376: assume false; [2021-11-22 15:30:32,902 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3600: assume false; [2021-11-22 15:30:32,902 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3601: assume !false; [2021-11-22 15:30:32,902 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3671: assume false; [2021-11-22 15:30:32,902 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3672: assume !false; [2021-11-22 15:30:32,903 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3677: assume !false; [2021-11-22 15:30:32,903 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3676: assume false; [2021-11-22 15:30:32,903 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3651: assume false; [2021-11-22 15:30:32,903 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3652: assume !false; [2021-11-22 15:30:32,903 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3640: assume false; [2021-11-22 15:30:32,904 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3641: assume !false; [2021-11-22 15:30:32,904 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3646: assume false; [2021-11-22 15:30:32,904 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2317: assume !false; [2021-11-22 15:30:32,904 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2316: assume false; [2021-11-22 15:30:32,904 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3647: assume !false; [2021-11-22 15:30:32,904 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3635: assume false; [2021-11-22 15:30:32,905 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3636: assume !false; [2021-11-22 15:30:32,905 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2308: assume !false; [2021-11-22 15:30:32,905 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2307: assume false; [2021-11-22 15:30:32,905 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3620: assume false; [2021-11-22 15:30:32,905 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3621: assume !false; [2021-11-22 15:30:32,905 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3626: assume !false; [2021-11-22 15:30:32,906 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3625: assume false; [2021-11-22 15:30:32,906 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2298: assume false; [2021-11-22 15:30:32,906 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2299: assume !false; [2021-11-22 15:30:32,906 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2274: assume false; [2021-11-22 15:30:32,906 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2275: assume !false; [2021-11-22 15:30:32,906 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3590: assume false; [2021-11-22 15:30:32,907 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3591: assume !false; [2021-11-22 15:30:32,907 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3596: assume !false; [2021-11-22 15:30:32,907 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3595: assume false; [2021-11-22 15:30:32,907 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3570: assume !false; [2021-11-22 15:30:32,907 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3574: assume false; [2021-11-22 15:30:32,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3575: assume !false; [2021-11-22 15:30:32,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume !false; [2021-11-22 15:30:32,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##94: assume false; [2021-11-22 15:30:32,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume !false; [2021-11-22 15:30:32,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-11-22 15:30:32,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-22 15:30:32,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-22 15:30:32,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume false; [2021-11-22 15:30:32,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume !false; [2021-11-22 15:30:32,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2021-11-22 15:30:32,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2021-11-22 15:30:32,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##59: assume false; [2021-11-22 15:30:32,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-22 15:30:32,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-11-22 15:30:32,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3565: assume !false; [2021-11-22 15:30:32,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3564: assume false; [2021-11-22 15:30:32,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3569: assume false; [2021-11-22 15:30:32,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3552: assume false; [2021-11-22 15:30:32,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3553: assume !false; [2021-11-22 15:30:32,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3558: assume !false; [2021-11-22 15:30:32,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3557: assume false; [2021-11-22 15:30:32,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3532: assume false; [2021-11-22 15:30:32,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3533: assume !false; [2021-11-22 15:30:32,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2207: assume !false; [2021-11-22 15:30:32,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2206: assume false; [2021-11-22 15:30:32,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3521: assume false; [2021-11-22 15:30:32,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3522: assume !false; [2021-11-22 15:30:32,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3527: assume false; [2021-11-22 15:30:32,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3528: assume !false; [2021-11-22 15:30:32,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3516: assume false; [2021-11-22 15:30:32,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3517: assume !false; [2021-11-22 15:30:32,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3501: assume false; [2021-11-22 15:30:32,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3502: assume !false; [2021-11-22 15:30:32,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3507: assume !false; [2021-11-22 15:30:32,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3506: assume false; [2021-11-22 15:30:32,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1668: assume false; [2021-11-22 15:30:32,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1669: assume !false; [2021-11-22 15:30:32,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1644: assume false; [2021-11-22 15:30:32,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1645: assume !false; [2021-11-22 15:30:32,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1686: assume false; [2021-11-22 15:30:32,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1687: assume !false; [2021-11-22 15:30:32,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1677: assume false; [2021-11-22 15:30:32,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1678: assume !false; [2021-11-22 15:30:32,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2865: assume !false; [2021-11-22 15:30:32,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2864: assume false; [2021-11-22 15:30:32,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1300: assume !false; [2021-11-22 15:30:32,916 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1304: assume false; [2021-11-22 15:30:32,916 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1305: assume !false; [2021-11-22 15:30:32,916 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume !false; [2021-11-22 15:30:32,916 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##142: assume false; [2021-11-22 15:30:32,916 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume false; [2021-11-22 15:30:32,917 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume !false; [2021-11-22 15:30:32,917 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2021-11-22 15:30:32,917 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2021-11-22 15:30:32,917 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3992: assume !false; [2021-11-22 15:30:32,917 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1330: assume !false; [2021-11-22 15:30:32,917 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3991: assume false; [2021-11-22 15:30:32,918 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-11-22 15:30:32,918 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume false; [2021-11-22 15:30:32,918 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1324: assume false; [2021-11-22 15:30:32,918 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !false; [2021-11-22 15:30:32,918 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1325: assume !false; [2021-11-22 15:30:32,918 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume !false; [2021-11-22 15:30:32,919 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume false; [2021-11-22 15:30:32,919 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1329: assume false; [2021-11-22 15:30:32,919 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3031: assume false; [2021-11-22 15:30:32,919 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3032: assume !false; [2021-11-22 15:30:32,919 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3022: assume false; [2021-11-22 15:30:32,919 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3023: assume !false; [2021-11-22 15:30:32,920 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3013: assume false; [2021-11-22 15:30:32,920 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3014: assume !false; [2021-11-22 15:30:32,920 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3091: assume false; [2021-11-22 15:30:32,920 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3092: assume !false; [2021-11-22 15:30:32,920 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3086: assume false; [2021-11-22 15:30:32,920 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3087: assume !false; [2021-11-22 15:30:32,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##267: assume !false; [2021-11-22 15:30:32,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##266: assume false; [2021-11-22 15:30:32,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##272: assume !false; [2021-11-22 15:30:32,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume false; [2021-11-22 15:30:32,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume !false; [2021-11-22 15:30:32,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##278: assume false; [2021-11-22 15:30:32,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##283: assume false; [2021-11-22 15:30:32,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##284: assume !false; [2021-11-22 15:30:32,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2021-11-22 15:30:32,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-11-22 15:30:32,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume !false; [2021-11-22 15:30:32,923 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##215: assume false; [2021-11-22 15:30:32,923 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2021-11-22 15:30:32,923 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2021-11-22 15:30:32,923 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##231: assume !false; [2021-11-22 15:30:32,923 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##230: assume false; [2021-11-22 15:30:32,923 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##236: assume !false; [2021-11-22 15:30:32,924 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##235: assume false; [2021-11-22 15:30:32,924 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2021-11-22 15:30:32,924 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2021-11-22 15:30:32,924 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##247: assume !false; [2021-11-22 15:30:32,924 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume false; [2021-11-22 15:30:32,924 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4259: assume !false; [2021-11-22 15:30:32,925 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4258: assume false; [2021-11-22 15:30:32,925 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##305: assume !false; [2021-11-22 15:30:32,925 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume false; [2021-11-22 15:30:32,925 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##309: assume false; [2021-11-22 15:30:32,925 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4233: assume false; [2021-11-22 15:30:32,926 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4234: assume !false; [2021-11-22 15:30:32,926 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4238: assume false; [2021-11-22 15:30:32,926 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4239: assume !false; [2021-11-22 15:30:32,926 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##310: assume !false; [2021-11-22 15:30:32,926 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##315: assume !false; [2021-11-22 15:30:32,926 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##314: assume false; [2021-11-22 15:30:32,927 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4222: assume false; [2021-11-22 15:30:32,927 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4223: assume !false; [2021-11-22 15:30:32,927 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4227: assume false; [2021-11-22 15:30:32,927 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4228: assume !false; [2021-11-22 15:30:32,927 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4212: assume false; [2021-11-22 15:30:32,927 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4213: assume !false; [2021-11-22 15:30:32,928 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4208: assume !false; [2021-11-22 15:30:32,928 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4207: assume false; [2021-11-22 15:30:32,928 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4263: assume false; [2021-11-22 15:30:32,928 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4264: assume !false; [2021-11-22 15:30:32,928 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##386: assume !false; [2021-11-22 15:30:32,928 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##385: assume false; [2021-11-22 15:30:32,929 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2021-11-22 15:30:32,929 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2021-11-22 15:30:32,929 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !false; [2021-11-22 15:30:32,929 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume false; [2021-11-22 15:30:32,929 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##339: assume false; [2021-11-22 15:30:32,929 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##340: assume !false; [2021-11-22 15:30:32,930 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume false; [2021-11-22 15:30:32,930 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##350: assume !false; [2021-11-22 15:30:32,930 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##355: assume !false; [2021-11-22 15:30:32,930 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##354: assume false; [2021-11-22 15:30:32,930 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume false; [2021-11-22 15:30:32,930 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !false; [2021-11-22 15:30:32,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume !false; [2021-11-22 15:30:32,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume false; [2021-11-22 15:30:32,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4139: assume false; [2021-11-22 15:30:32,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4120: assume !false; [2021-11-22 15:30:32,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4114: assume false; [2021-11-22 15:30:32,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4115: assume !false; [2021-11-22 15:30:32,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4119: assume false; [2021-11-22 15:30:32,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4103: assume false; [2021-11-22 15:30:32,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4104: assume !false; [2021-11-22 15:30:32,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4109: assume !false; [2021-11-22 15:30:32,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4108: assume false; [2021-11-22 15:30:32,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4182: assume false; [2021-11-22 15:30:32,933 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4183: assume !false; [2021-11-22 15:30:32,933 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4187: assume false; [2021-11-22 15:30:32,933 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4188: assume !false; [2021-11-22 15:30:32,933 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4178: assume !false; [2021-11-22 15:30:32,933 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4177: assume false; [2021-11-22 15:30:32,933 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4161: assume false; [2021-11-22 15:30:32,934 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4162: assume !false; [2021-11-22 15:30:32,934 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4152: assume !false; [2021-11-22 15:30:32,934 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4151: assume false; [2021-11-22 15:30:32,934 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4156: assume false; [2021-11-22 15:30:32,934 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4157: assume !false; [2021-11-22 15:30:32,934 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4140: assume !false; [2021-11-22 15:30:32,935 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4145: assume !false; [2021-11-22 15:30:32,935 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4144: assume false; [2021-11-22 15:30:32,935 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4015: assume false; [2021-11-22 15:30:32,935 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4016: assume !false; [2021-11-22 15:30:32,935 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##518: assume !false; [2021-11-22 15:30:32,935 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##517: assume false; [2021-11-22 15:30:32,936 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4093: assume false; [2021-11-22 15:30:32,936 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4094: assume !false; [2021-11-22 15:30:32,936 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4088: assume false; [2021-11-22 15:30:32,936 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4089: assume !false; [2021-11-22 15:30:32,936 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4033: assume false; [2021-11-22 15:30:32,936 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4034: assume !false; [2021-11-22 15:30:32,937 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4024: assume false; [2021-11-22 15:30:32,937 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4025: assume !false; [2021-11-22 15:30:32,937 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##667: assume !false; [2021-11-22 15:30:32,937 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##666: assume false; [2021-11-22 15:30:32,937 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##676: assume !false; [2021-11-22 15:30:32,937 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##675: assume false; [2021-11-22 15:30:32,938 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2021-11-22 15:30:32,938 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2021-11-22 15:30:32,938 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3446: assume false; [2021-11-22 15:30:32,938 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3447: assume !false; [2021-11-22 15:30:32,938 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3437: assume false; [2021-11-22 15:30:32,938 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3438: assume !false; [2021-11-22 15:30:32,939 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3428: assume false; [2021-11-22 15:30:32,939 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3429: assume !false; [2021-11-22 15:30:32,939 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3404: assume false; [2021-11-22 15:30:32,939 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3405: assume !false; [2021-11-22 15:30:32,939 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##766: assume !false; [2021-11-22 15:30:32,939 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##765: assume false; [2021-11-22 15:30:32,940 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##771: assume !false; [2021-11-22 15:30:32,940 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##770: assume false; [2021-11-22 15:30:32,940 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##791: assume !false; [2021-11-22 15:30:32,940 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##790: assume false; [2021-11-22 15:30:32,940 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##796: assume !false; [2021-11-22 15:30:32,940 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##795: assume false; [2021-11-22 15:30:32,941 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##739: assume false; [2021-11-22 15:30:32,941 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##740: assume !false; [2021-11-22 15:30:32,941 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##745: assume !false; [2021-11-22 15:30:32,941 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##744: assume false; [2021-11-22 15:30:32,941 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##755: assume !false; [2021-11-22 15:30:32,941 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##754: assume false; [2021-11-22 15:30:32,942 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##759: assume false; [2021-11-22 15:30:32,942 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##760: assume !false; [2021-11-22 15:30:32,942 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##889: assume false; [2021-11-22 15:30:32,942 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##890: assume !false; [2021-11-22 15:30:32,942 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3262: assume !false; [2021-11-22 15:30:32,942 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3261: assume false; [2021-11-22 15:30:32,943 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3257: assume !false; [2021-11-22 15:30:32,943 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3256: assume false; [2021-11-22 15:30:32,943 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##859: assume !false; [2021-11-22 15:30:32,943 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##858: assume false; [2021-11-22 15:30:32,943 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3231: assume false; [2021-11-22 15:30:32,944 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3232: assume !false; [2021-11-22 15:30:32,944 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3237: assume !false; [2021-11-22 15:30:32,944 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3236: assume false; [2021-11-22 15:30:32,944 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##863: assume false; [2021-11-22 15:30:32,944 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##864: assume !false; [2021-11-22 15:30:32,944 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3220: assume false; [2021-11-22 15:30:32,945 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3221: assume !false; [2021-11-22 15:30:32,945 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3226: assume !false; [2021-11-22 15:30:32,945 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3225: assume false; [2021-11-22 15:30:32,945 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##874: assume !false; [2021-11-22 15:30:32,945 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##873: assume false; [2021-11-22 15:30:32,946 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##878: assume false; [2021-11-22 15:30:32,946 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##879: assume !false; [2021-11-22 15:30:32,946 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3211: assume !false; [2021-11-22 15:30:32,946 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3210: assume false; [2021-11-22 15:30:32,946 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##885: assume !false; [2021-11-22 15:30:32,947 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##884: assume false; [2021-11-22 15:30:32,947 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##803: assume !false; [2021-11-22 15:30:32,947 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume false; [2021-11-22 15:30:32,947 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##808: assume !false; [2021-11-22 15:30:32,947 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##807: assume false; [2021-11-22 15:30:32,947 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##812: assume false; [2021-11-22 15:30:32,948 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##813: assume !false; [2021-11-22 15:30:32,948 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##829: assume !false; [2021-11-22 15:30:32,948 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##828: assume false; [2021-11-22 15:30:32,948 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##834: assume !false; [2021-11-22 15:30:32,948 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##833: assume false; [2021-11-22 15:30:32,948 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##838: assume false; [2021-11-22 15:30:32,949 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##839: assume !false; [2021-11-22 15:30:32,949 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3206: assume !false; [2021-11-22 15:30:32,949 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3205: assume false; [2021-11-22 15:30:32,949 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3160: assume !false; [2021-11-22 15:30:32,949 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3150: assume !false; [2021-11-22 15:30:32,949 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3154: assume false; [2021-11-22 15:30:32,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3155: assume !false; [2021-11-22 15:30:32,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3159: assume false; [2021-11-22 15:30:32,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3143: assume !false; [2021-11-22 15:30:32,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3142: assume false; [2021-11-22 15:30:32,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3149: assume false; [2021-11-22 15:30:32,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3138: assume !false; [2021-11-22 15:30:32,951 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3137: assume false; [2021-11-22 15:30:32,951 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3112: assume false; [2021-11-22 15:30:32,951 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3113: assume !false; [2021-11-22 15:30:32,951 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3118: assume !false; [2021-11-22 15:30:32,951 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3117: assume false; [2021-11-22 15:30:32,951 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3101: assume false; [2021-11-22 15:30:32,952 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3102: assume !false; [2021-11-22 15:30:32,952 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3107: assume !false; [2021-11-22 15:30:32,952 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3106: assume false; [2021-11-22 15:30:32,952 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3181: assume !false; [2021-11-22 15:30:32,952 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3180: assume false; [2021-11-22 15:30:32,952 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3185: assume false; [2021-11-22 15:30:32,952 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2021-11-22 15:30:32,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3186: assume !false; [2021-11-22 15:30:32,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2021-11-22 15:30:32,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##915: assume !false; [2021-11-22 15:30:32,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##914: assume false; [2021-11-22 15:30:32,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3176: assume !false; [2021-11-22 15:30:32,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3175: assume false; [2021-11-22 15:30:32,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1916: assume false; [2021-11-22 15:30:32,955 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1917: assume !false; [2021-11-22 15:30:32,955 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1911: assume false; [2021-11-22 15:30:32,955 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1912: assume !false; [2021-11-22 15:30:32,955 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1891: assume false; [2021-11-22 15:30:32,955 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1892: assume !false; [2021-11-22 15:30:32,956 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1880: assume false; [2021-11-22 15:30:32,956 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1881: assume !false; [2021-11-22 15:30:32,956 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1886: assume false; [2021-11-22 15:30:32,956 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1887: assume !false; [2021-11-22 15:30:32,956 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1875: assume false; [2021-11-22 15:30:32,956 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1876: assume !false; [2021-11-22 15:30:32,956 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1860: assume false; [2021-11-22 15:30:32,957 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1861: assume !false; [2021-11-22 15:30:32,957 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1865: assume false; [2021-11-22 15:30:32,957 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1866: assume !false; [2021-11-22 15:30:32,957 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1840: assume false; [2021-11-22 15:30:32,957 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1841: assume !false; [2021-11-22 15:30:32,957 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1830: assume false; [2021-11-22 15:30:32,958 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1831: assume !false; [2021-11-22 15:30:32,958 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1835: assume false; [2021-11-22 15:30:32,958 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1836: assume !false; [2021-11-22 15:30:32,958 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1805: assume !false; [2021-11-22 15:30:32,958 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1809: assume false; [2021-11-22 15:30:32,958 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1810: assume !false; [2021-11-22 15:30:32,959 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1814: assume false; [2021-11-22 15:30:32,959 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1815: assume !false; [2021-11-22 15:30:32,959 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1804: assume false; [2021-11-22 15:30:32,959 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1772: assume false; [2021-11-22 15:30:32,959 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1773: assume !false; [2021-11-22 15:30:32,959 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1761: assume false; [2021-11-22 15:30:32,960 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1762: assume !false; [2021-11-22 15:30:32,960 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1767: assume false; [2021-11-22 15:30:32,960 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1768: assume !false; [2021-11-22 15:30:32,960 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1756: assume false; [2021-11-22 15:30:32,960 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1757: assume !false; [2021-11-22 15:30:32,960 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1741: assume false; [2021-11-22 15:30:32,960 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1742: assume !false; [2021-11-22 15:30:32,961 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1746: assume false; [2021-11-22 15:30:32,961 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1747: assume !false; [2021-11-22 15:30:32,961 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1792: assume false; [2021-11-22 15:30:32,961 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1793: assume !false; [2021-11-22 15:30:32,961 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1797: assume false; [2021-11-22 15:30:32,961 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1798: assume !false; [2021-11-22 15:30:32,962 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:30:33,005 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:30:33,005 INFO L301 CfgBuilder]: Removed 213 assume(true) statements. [2021-11-22 15:30:33,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:30:33 BoogieIcfgContainer [2021-11-22 15:30:33,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:30:33,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:30:33,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:30:33,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:30:33,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:23:39" (1/3) ... [2021-11-22 15:30:33,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7d7c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:30:33, skipping insertion in model container [2021-11-22 15:30:33,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:41" (2/3) ... [2021-11-22 15:30:33,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7d7c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:30:33, skipping insertion in model container [2021-11-22 15:30:33,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:30:33" (3/3) ... [2021-11-22 15:30:33,020 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-22 15:30:33,026 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:30:33,026 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2021-11-22 15:30:33,099 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:30:33,106 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 [2021-11-22 15:30:33,106 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2021-11-22 15:30:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 4586 states, 4566 states have (on average 1.3412176960140167) internal successors, (6124), 4585 states have internal predecessors, (6124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:33,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 15:30:33,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:30:33,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:30:33,197 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:30:33,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:30:33,202 INFO L85 PathProgramCache]: Analyzing trace with hash -939246580, now seen corresponding path program 1 times [2021-11-22 15:30:33,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:30:33,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651134336] [2021-11-22 15:30:33,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:30:33,218 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:30:33,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:30:33,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:30:33,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-22 15:30:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:30:34,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:30:34,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:30:34,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:30:34,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:30:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:30:34,287 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:30:34,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651134336] [2021-11-22 15:30:34,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651134336] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:30:34,288 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:30:34,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-22 15:30:34,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700815171] [2021-11-22 15:30:34,290 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:30:34,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:30:34,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:30:34,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:30:34,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:30:34,359 INFO L87 Difference]: Start difference. First operand has 4586 states, 4566 states have (on average 1.3412176960140167) internal successors, (6124), 4585 states have internal predecessors, (6124), 0 states have call successors, (0), 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 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:36,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:30:38,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:30:39,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:30:39,170 INFO L93 Difference]: Finished difference Result 17567 states and 23695 transitions. [2021-11-22 15:30:39,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:30:39,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 10 [2021-11-22 15:30:39,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:30:39,318 INFO L225 Difference]: With dead ends: 17567 [2021-11-22 15:30:39,318 INFO L226 Difference]: Without dead ends: 12932 [2021-11-22 15:30:39,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:30:39,350 INFO L933 BasicCegarLoop]: 11197 mSDtfsCounter, 16908 mSDsluCounter, 11189 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16908 SdHoareTripleChecker+Valid, 22386 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:30:39,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16908 Valid, 22386 Invalid, 20 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-22 15:30:39,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12932 states. [2021-11-22 15:30:39,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12932 to 4335. [2021-11-22 15:30:39,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4335 states, 4316 states have (on average 1.2972659870250232) internal successors, (5599), 4334 states have internal predecessors, (5599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:39,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4335 states to 4335 states and 5599 transitions. [2021-11-22 15:30:39,645 INFO L78 Accepts]: Start accepts. Automaton has 4335 states and 5599 transitions. Word has length 10 [2021-11-22 15:30:39,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:30:39,646 INFO L470 AbstractCegarLoop]: Abstraction has 4335 states and 5599 transitions. [2021-11-22 15:30:39,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:39,646 INFO L276 IsEmpty]: Start isEmpty. Operand 4335 states and 5599 transitions. [2021-11-22 15:30:39,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 15:30:39,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:30:39,648 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:30:39,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:30:39,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:30:39,867 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:30:39,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:30:39,868 INFO L85 PathProgramCache]: Analyzing trace with hash 432275205, now seen corresponding path program 1 times [2021-11-22 15:30:39,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:30:39,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714238320] [2021-11-22 15:30:39,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:30:39,869 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:30:39,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:30:39,870 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:30:39,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-22 15:30:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:30:40,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:30:40,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:30:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:30:40,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:30:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:30:40,937 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:30:40,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1714238320] [2021-11-22 15:30:40,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1714238320] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:30:40,937 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:30:40,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-22 15:30:40,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424074100] [2021-11-22 15:30:40,938 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:30:40,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:30:40,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:30:40,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:30:40,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:30:40,940 INFO L87 Difference]: Start difference. First operand 4335 states and 5599 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:41,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:30:41,444 INFO L93 Difference]: Finished difference Result 8653 states and 11176 transitions. [2021-11-22 15:30:41,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:30:41,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 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 11 [2021-11-22 15:30:41,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:30:41,469 INFO L225 Difference]: With dead ends: 8653 [2021-11-22 15:30:41,469 INFO L226 Difference]: Without dead ends: 4323 [2021-11-22 15:30:41,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:30:41,478 INFO L933 BasicCegarLoop]: 5567 mSDtfsCounter, 11144 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11144 SdHoareTripleChecker+Valid, 5567 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:30:41,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11144 Valid, 5567 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:30:41,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4323 states. [2021-11-22 15:30:41,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4323 to 4323. [2021-11-22 15:30:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4323 states, 4304 states have (on average 1.2953066914498141) internal successors, (5575), 4322 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:41,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4323 states to 4323 states and 5575 transitions. [2021-11-22 15:30:41,637 INFO L78 Accepts]: Start accepts. Automaton has 4323 states and 5575 transitions. Word has length 11 [2021-11-22 15:30:41,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:30:41,637 INFO L470 AbstractCegarLoop]: Abstraction has 4323 states and 5575 transitions. [2021-11-22 15:30:41,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:41,638 INFO L276 IsEmpty]: Start isEmpty. Operand 4323 states and 5575 transitions. [2021-11-22 15:30:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 15:30:41,638 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:30:41,639 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:30:41,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:30:41,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:30:41,855 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:30:41,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:30:41,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1761789860, now seen corresponding path program 1 times [2021-11-22 15:30:41,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:30:41,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661483569] [2021-11-22 15:30:41,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:30:41,857 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:30:41,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:30:41,859 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:30:41,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-22 15:30:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:30:42,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:30:42,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:30:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:30:42,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:30:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:30:42,904 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:30:42,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661483569] [2021-11-22 15:30:42,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661483569] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:30:42,905 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:30:42,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-22 15:30:42,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260380217] [2021-11-22 15:30:42,905 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:30:42,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:30:42,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:30:42,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:30:42,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:30:42,906 INFO L87 Difference]: Start difference. First operand 4323 states and 5575 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:43,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:30:43,141 INFO L93 Difference]: Finished difference Result 8639 states and 11141 transitions. [2021-11-22 15:30:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:30:43,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2021-11-22 15:30:43,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:30:43,167 INFO L225 Difference]: With dead ends: 8639 [2021-11-22 15:30:43,167 INFO L226 Difference]: Without dead ends: 4323 [2021-11-22 15:30:43,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:30:43,177 INFO L933 BasicCegarLoop]: 5569 mSDtfsCounter, 5567 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5567 SdHoareTripleChecker+Valid, 5569 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:30:43,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5567 Valid, 5569 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:30:43,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4323 states. [2021-11-22 15:30:43,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4323 to 4323. [2021-11-22 15:30:43,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4323 states, 4304 states have (on average 1.2946096654275092) internal successors, (5572), 4322 states have internal predecessors, (5572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:43,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4323 states to 4323 states and 5572 transitions. [2021-11-22 15:30:43,368 INFO L78 Accepts]: Start accepts. Automaton has 4323 states and 5572 transitions. Word has length 11 [2021-11-22 15:30:43,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:30:43,368 INFO L470 AbstractCegarLoop]: Abstraction has 4323 states and 5572 transitions. [2021-11-22 15:30:43,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:43,369 INFO L276 IsEmpty]: Start isEmpty. Operand 4323 states and 5572 transitions. [2021-11-22 15:30:43,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 15:30:43,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:30:43,370 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:30:43,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:30:43,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:30:43,588 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:30:43,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:30:43,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1431325507, now seen corresponding path program 1 times [2021-11-22 15:30:43,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:30:43,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631288104] [2021-11-22 15:30:43,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:30:43,590 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:30:43,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:30:43,591 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:30:43,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-22 15:30:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:30:44,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:30:44,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:30:44,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:30:44,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:30:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:30:44,588 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:30:44,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631288104] [2021-11-22 15:30:44,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [631288104] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:30:44,588 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:30:44,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-22 15:30:44,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743897960] [2021-11-22 15:30:44,589 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:30:44,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:30:44,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:30:44,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:30:44,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:30:44,590 INFO L87 Difference]: Start difference. First operand 4323 states and 5572 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:45,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:30:45,627 INFO L93 Difference]: Finished difference Result 12817 states and 16541 transitions. [2021-11-22 15:30:45,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:30:45,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-11-22 15:30:45,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:30:45,686 INFO L225 Difference]: With dead ends: 12817 [2021-11-22 15:30:45,686 INFO L226 Difference]: Without dead ends: 8542 [2021-11-22 15:30:45,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:30:45,696 INFO L933 BasicCegarLoop]: 5749 mSDtfsCounter, 5514 mSDsluCounter, 5432 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5514 SdHoareTripleChecker+Valid, 11181 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 15:30:45,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5514 Valid, 11181 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 15:30:45,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8542 states. [2021-11-22 15:30:46,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8542 to 8506. [2021-11-22 15:30:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8506 states, 8487 states have (on average 1.2948038176033934) internal successors, (10989), 8505 states have internal predecessors, (10989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8506 states to 8506 states and 10989 transitions. [2021-11-22 15:30:46,081 INFO L78 Accepts]: Start accepts. Automaton has 8506 states and 10989 transitions. Word has length 15 [2021-11-22 15:30:46,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:30:46,081 INFO L470 AbstractCegarLoop]: Abstraction has 8506 states and 10989 transitions. [2021-11-22 15:30:46,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:46,082 INFO L276 IsEmpty]: Start isEmpty. Operand 8506 states and 10989 transitions. [2021-11-22 15:30:46,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 15:30:46,092 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:30:46,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:30:46,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:30:46,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:30:46,310 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:30:46,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:30:46,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1722119916, now seen corresponding path program 1 times [2021-11-22 15:30:46,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:30:46,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499721221] [2021-11-22 15:30:46,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:30:46,312 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:30:46,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:30:46,313 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:30:46,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-22 15:30:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:30:47,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:30:47,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:30:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:30:47,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:30:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:30:47,464 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:30:47,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499721221] [2021-11-22 15:30:47,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499721221] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:30:47,464 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:30:47,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-22 15:30:47,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785395376] [2021-11-22 15:30:47,464 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:30:47,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:30:47,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:30:47,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:30:47,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:30:47,466 INFO L87 Difference]: Start difference. First operand 8506 states and 10989 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:48,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:30:48,212 INFO L93 Difference]: Finished difference Result 16950 states and 21905 transitions. [2021-11-22 15:30:48,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 15:30:48,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 36 [2021-11-22 15:30:48,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:30:48,233 INFO L225 Difference]: With dead ends: 16950 [2021-11-22 15:30:48,233 INFO L226 Difference]: Without dead ends: 8496 [2021-11-22 15:30:48,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:30:48,248 INFO L933 BasicCegarLoop]: 5570 mSDtfsCounter, 2 mSDsluCounter, 16700 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 22270 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:30:48,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 22270 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:30:48,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8496 states. [2021-11-22 15:30:48,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8496 to 8496. [2021-11-22 15:30:48,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8496 states, 8477 states have (on average 1.2947976878612717) internal successors, (10976), 8495 states have internal predecessors, (10976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:48,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8496 states to 8496 states and 10976 transitions. [2021-11-22 15:30:48,611 INFO L78 Accepts]: Start accepts. Automaton has 8496 states and 10976 transitions. Word has length 36 [2021-11-22 15:30:48,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:30:48,611 INFO L470 AbstractCegarLoop]: Abstraction has 8496 states and 10976 transitions. [2021-11-22 15:30:48,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:48,612 INFO L276 IsEmpty]: Start isEmpty. Operand 8496 states and 10976 transitions. [2021-11-22 15:30:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 15:30:48,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:30:48,614 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:30:48,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-22 15:30:48,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:30:48,827 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:30:48,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:30:48,827 INFO L85 PathProgramCache]: Analyzing trace with hash -537600416, now seen corresponding path program 1 times [2021-11-22 15:30:48,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:30:48,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208240889] [2021-11-22 15:30:48,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:30:48,828 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:30:48,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:30:48,830 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:30:48,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-22 15:30:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:30:49,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:30:49,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:30:49,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:30:49,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:30:50,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:30:50,249 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:30:50,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208240889] [2021-11-22 15:30:50,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208240889] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:30:50,250 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:30:50,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-22 15:30:50,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799506575] [2021-11-22 15:30:50,250 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:30:50,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:30:50,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:30:50,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:30:50,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:30:50,251 INFO L87 Difference]: Start difference. First operand 8496 states and 10976 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:51,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:30:51,160 INFO L93 Difference]: Finished difference Result 16983 states and 21944 transitions. [2021-11-22 15:30:51,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:30:51,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 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 41 [2021-11-22 15:30:51,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:30:51,180 INFO L225 Difference]: With dead ends: 16983 [2021-11-22 15:30:51,180 INFO L226 Difference]: Without dead ends: 8535 [2021-11-22 15:30:51,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:30:51,194 INFO L933 BasicCegarLoop]: 5554 mSDtfsCounter, 11227 mSDsluCounter, 11061 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11227 SdHoareTripleChecker+Valid, 16615 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:30:51,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11227 Valid, 16615 Invalid, 20 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:30:51,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8535 states. [2021-11-22 15:30:51,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8535 to 8535. [2021-11-22 15:30:51,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8535 states, 8516 states have (on average 1.2941521841240018) internal successors, (11021), 8534 states have internal predecessors, (11021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:51,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8535 states to 8535 states and 11021 transitions. [2021-11-22 15:30:51,581 INFO L78 Accepts]: Start accepts. Automaton has 8535 states and 11021 transitions. Word has length 41 [2021-11-22 15:30:51,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:30:51,581 INFO L470 AbstractCegarLoop]: Abstraction has 8535 states and 11021 transitions. [2021-11-22 15:30:51,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:51,582 INFO L276 IsEmpty]: Start isEmpty. Operand 8535 states and 11021 transitions. [2021-11-22 15:30:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 15:30:51,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:30:51,587 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:30:51,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-22 15:30:51,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:30:51,807 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:30:51,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:30:51,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1501482528, now seen corresponding path program 1 times [2021-11-22 15:30:51,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:30:51,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917236587] [2021-11-22 15:30:51,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:30:51,809 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:30:51,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:30:51,809 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:30:51,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-22 15:30:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:30:52,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:30:52,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:30:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 15:30:53,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:30:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 15:30:53,717 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:30:53,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917236587] [2021-11-22 15:30:53,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917236587] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:30:53,717 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:30:53,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-22 15:30:53,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375102108] [2021-11-22 15:30:53,718 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:30:53,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:30:53,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:30:53,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:30:53,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:30:53,723 INFO L87 Difference]: Start difference. First operand 8535 states and 11021 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:55,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:30:56,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:30:56,425 INFO L93 Difference]: Finished difference Result 17028 states and 21994 transitions. [2021-11-22 15:30:56,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:30:56,426 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 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 67 [2021-11-22 15:30:56,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:30:56,447 INFO L225 Difference]: With dead ends: 17028 [2021-11-22 15:30:56,448 INFO L226 Difference]: Without dead ends: 8525 [2021-11-22 15:30:56,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:30:56,462 INFO L933 BasicCegarLoop]: 5557 mSDtfsCounter, 2 mSDsluCounter, 16654 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 22211 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:30:56,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 22211 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 15:30:56,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8525 states. [2021-11-22 15:30:56,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8525 to 8525. [2021-11-22 15:30:56,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8525 states, 8506 states have (on average 1.2937926169762521) internal successors, (11005), 8524 states have internal predecessors, (11005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8525 states to 8525 states and 11005 transitions. [2021-11-22 15:30:56,852 INFO L78 Accepts]: Start accepts. Automaton has 8525 states and 11005 transitions. Word has length 67 [2021-11-22 15:30:56,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:30:56,854 INFO L470 AbstractCegarLoop]: Abstraction has 8525 states and 11005 transitions. [2021-11-22 15:30:56,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:30:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 8525 states and 11005 transitions. [2021-11-22 15:30:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 15:30:56,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:30:56,859 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:30:56,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-22 15:30:57,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:30:57,082 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:30:57,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:30:57,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1557744146, now seen corresponding path program 1 times [2021-11-22 15:30:57,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:30:57,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892921462] [2021-11-22 15:30:57,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:30:57,084 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:30:57,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:30:57,085 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:30:57,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-22 15:30:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:30:58,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 15:30:58,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:30:59,154 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 15:30:59,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:31:00,049 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 15:31:00,049 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:31:00,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892921462] [2021-11-22 15:31:00,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892921462] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:00,049 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:00,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-22 15:31:00,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192120823] [2021-11-22 15:31:00,050 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:00,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-22 15:31:00,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:31:00,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 15:31:00,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-22 15:31:00,051 INFO L87 Difference]: Start difference. First operand 8525 states and 11005 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:02,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:31:04,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:31:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:31:06,016 INFO L93 Difference]: Finished difference Result 25398 states and 32801 transitions. [2021-11-22 15:31:06,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 15:31:06,016 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 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 89 [2021-11-22 15:31:06,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:31:06,052 INFO L225 Difference]: With dead ends: 25398 [2021-11-22 15:31:06,053 INFO L226 Difference]: Without dead ends: 16884 [2021-11-22 15:31:06,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-11-22 15:31:06,068 INFO L933 BasicCegarLoop]: 5531 mSDtfsCounter, 10872 mSDsluCounter, 44170 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10872 SdHoareTripleChecker+Valid, 49701 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:31:06,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10872 Valid, 49701 Invalid, 282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [34 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-22 15:31:06,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16884 states. [2021-11-22 15:31:06,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16884 to 8525. [2021-11-22 15:31:06,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8525 states, 8506 states have (on average 1.2935574888314132) internal successors, (11003), 8524 states have internal predecessors, (11003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8525 states to 8525 states and 11003 transitions. [2021-11-22 15:31:06,594 INFO L78 Accepts]: Start accepts. Automaton has 8525 states and 11003 transitions. Word has length 89 [2021-11-22 15:31:06,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:31:06,594 INFO L470 AbstractCegarLoop]: Abstraction has 8525 states and 11003 transitions. [2021-11-22 15:31:06,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 8525 states and 11003 transitions. [2021-11-22 15:31:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 15:31:06,596 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:06,597 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:31:06,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-22 15:31:06,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:31:06,818 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:31:06,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:06,818 INFO L85 PathProgramCache]: Analyzing trace with hash 2026608160, now seen corresponding path program 1 times [2021-11-22 15:31:06,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:31:06,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788104540] [2021-11-22 15:31:06,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:06,819 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:31:06,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:31:06,820 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:31:06,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-22 15:31:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:31:07,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 15:31:07,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:31:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 15:31:08,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:31:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 15:31:09,699 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:31:09,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788104540] [2021-11-22 15:31:09,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1788104540] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:09,700 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:09,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 5] imperfect sequences [] total 14 [2021-11-22 15:31:09,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443120769] [2021-11-22 15:31:09,700 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:09,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-22 15:31:09,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:31:09,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 15:31:09,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-22 15:31:09,702 INFO L87 Difference]: Start difference. First operand 8525 states and 11003 transitions. Second operand has 14 states, 14 states have (on average 6.857142857142857) internal successors, (96), 14 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:12,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:31:14,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:31:16,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:31:18,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:31:20,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:31:21,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:31:23,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:31:25,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:31:27,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:31:29,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:31:32,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:31:32,760 INFO L93 Difference]: Finished difference Result 25381 states and 32780 transitions. [2021-11-22 15:31:32,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-22 15:31:32,761 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.857142857142857) internal successors, (96), 14 states have internal predecessors, (96), 0 states have call successors, (0), 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 95 [2021-11-22 15:31:32,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:31:32,798 INFO L225 Difference]: With dead ends: 25381 [2021-11-22 15:31:32,798 INFO L226 Difference]: Without dead ends: 16878 [2021-11-22 15:31:32,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2021-11-22 15:31:32,817 INFO L933 BasicCegarLoop]: 10924 mSDtfsCounter, 65668 mSDsluCounter, 49190 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 70 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65668 SdHoareTripleChecker+Valid, 60114 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:31:32,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65668 Valid, 60114 Invalid, 597 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [70 Valid, 524 Invalid, 3 Unknown, 0 Unchecked, 20.8s Time] [2021-11-22 15:31:32,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16878 states. [2021-11-22 15:31:33,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16878 to 8525. [2021-11-22 15:31:33,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8525 states, 8506 states have (on average 1.2933223606865742) internal successors, (11001), 8524 states have internal predecessors, (11001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8525 states to 8525 states and 11001 transitions. [2021-11-22 15:31:33,787 INFO L78 Accepts]: Start accepts. Automaton has 8525 states and 11001 transitions. Word has length 95 [2021-11-22 15:31:33,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:31:33,788 INFO L470 AbstractCegarLoop]: Abstraction has 8525 states and 11001 transitions. [2021-11-22 15:31:33,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.857142857142857) internal successors, (96), 14 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 8525 states and 11001 transitions. [2021-11-22 15:31:33,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 15:31:33,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:33,795 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:31:33,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-22 15:31:34,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:31:34,011 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:31:34,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:34,011 INFO L85 PathProgramCache]: Analyzing trace with hash -2101452728, now seen corresponding path program 1 times [2021-11-22 15:31:34,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:31:34,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774772285] [2021-11-22 15:31:34,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:34,012 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:31:34,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:31:34,013 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:31:34,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-22 15:31:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:31:35,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 15:31:35,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:31:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 15:31:35,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:31:36,247 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 15:31:36,247 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:31:36,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774772285] [2021-11-22 15:31:36,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774772285] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:36,247 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:36,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-22 15:31:36,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206378045] [2021-11-22 15:31:36,247 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:36,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 15:31:36,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:31:36,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 15:31:36,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:31:36,248 INFO L87 Difference]: Start difference. First operand 8525 states and 11001 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:39,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:31:39,284 INFO L93 Difference]: Finished difference Result 25341 states and 32734 transitions. [2021-11-22 15:31:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:31:39,286 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 101 [2021-11-22 15:31:39,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:31:39,316 INFO L225 Difference]: With dead ends: 25341 [2021-11-22 15:31:39,317 INFO L226 Difference]: Without dead ends: 16845 [2021-11-22 15:31:39,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-22 15:31:39,327 INFO L933 BasicCegarLoop]: 10461 mSDtfsCounter, 5408 mSDsluCounter, 31874 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5408 SdHoareTripleChecker+Valid, 42335 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:31:39,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5408 Valid, 42335 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-22 15:31:39,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16845 states. [2021-11-22 15:31:40,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16845 to 8525. [2021-11-22 15:31:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8525 states, 8506 states have (on average 1.2930872325417353) internal successors, (10999), 8524 states have internal predecessors, (10999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8525 states to 8525 states and 10999 transitions. [2021-11-22 15:31:40,147 INFO L78 Accepts]: Start accepts. Automaton has 8525 states and 10999 transitions. Word has length 101 [2021-11-22 15:31:40,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:31:40,147 INFO L470 AbstractCegarLoop]: Abstraction has 8525 states and 10999 transitions. [2021-11-22 15:31:40,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:40,148 INFO L276 IsEmpty]: Start isEmpty. Operand 8525 states and 10999 transitions. [2021-11-22 15:31:40,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 15:31:40,150 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:40,150 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:31:40,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-22 15:31:40,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:31:40,367 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:31:40,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:40,367 INFO L85 PathProgramCache]: Analyzing trace with hash 849809216, now seen corresponding path program 1 times [2021-11-22 15:31:40,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:31:40,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810082099] [2021-11-22 15:31:40,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:40,369 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:31:40,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:31:40,370 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:31:40,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-22 15:31:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:31:41,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:31:41,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:31:43,308 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:31:43,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:31:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:31:44,417 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:31:44,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810082099] [2021-11-22 15:31:44,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1810082099] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:31:44,417 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:31:44,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-22 15:31:44,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43574073] [2021-11-22 15:31:44,417 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 15:31:44,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 15:31:44,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:31:44,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 15:31:44,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-22 15:31:44,419 INFO L87 Difference]: Start difference. First operand 8525 states and 10999 transitions. Second operand has 10 states, 10 states have (on average 17.8) internal successors, (178), 10 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:45,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:31:45,540 INFO L93 Difference]: Finished difference Result 17105 states and 22056 transitions. [2021-11-22 15:31:45,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 15:31:45,541 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.8) internal successors, (178), 10 states have internal predecessors, (178), 0 states have call successors, (0), 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 107 [2021-11-22 15:31:45,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:31:45,560 INFO L225 Difference]: With dead ends: 17105 [2021-11-22 15:31:45,560 INFO L226 Difference]: Without dead ends: 8657 [2021-11-22 15:31:45,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-11-22 15:31:45,570 INFO L933 BasicCegarLoop]: 5603 mSDtfsCounter, 11524 mSDsluCounter, 16775 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11524 SdHoareTripleChecker+Valid, 22378 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 15:31:45,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11524 Valid, 22378 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 15:31:45,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8657 states. [2021-11-22 15:31:46,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8657 to 8657. [2021-11-22 15:31:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8657 states, 8638 states have (on average 1.2886084741838388) internal successors, (11131), 8656 states have internal predecessors, (11131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8657 states to 8657 states and 11131 transitions. [2021-11-22 15:31:46,419 INFO L78 Accepts]: Start accepts. Automaton has 8657 states and 11131 transitions. Word has length 107 [2021-11-22 15:31:46,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:31:46,419 INFO L470 AbstractCegarLoop]: Abstraction has 8657 states and 11131 transitions. [2021-11-22 15:31:46,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.8) internal successors, (178), 10 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 8657 states and 11131 transitions. [2021-11-22 15:31:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-22 15:31:46,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:46,424 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:31:46,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-22 15:31:46,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:31:46,631 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:31:46,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:46,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1764079360, now seen corresponding path program 2 times [2021-11-22 15:31:46,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:31:46,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24020093] [2021-11-22 15:31:46,632 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 15:31:46,633 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:31:46,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:31:46,633 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:31:46,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-22 15:31:47,364 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-22 15:31:47,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 15:31:47,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:31:47,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:31:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-22 15:31:49,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:31:52,063 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-22 15:31:52,063 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:31:52,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24020093] [2021-11-22 15:31:52,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24020093] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:52,063 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:52,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-22 15:31:52,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026905707] [2021-11-22 15:31:52,064 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:52,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:31:52,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:31:52,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:31:52,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:31:52,066 INFO L87 Difference]: Start difference. First operand 8657 states and 11131 transitions. Second operand has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:55,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:31:55,845 INFO L93 Difference]: Finished difference Result 33997 states and 43967 transitions. [2021-11-22 15:31:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 15:31:55,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-11-22 15:31:55,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:31:55,902 INFO L225 Difference]: With dead ends: 33997 [2021-11-22 15:31:55,902 INFO L226 Difference]: Without dead ends: 29722 [2021-11-22 15:31:55,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:31:55,913 INFO L933 BasicCegarLoop]: 10898 mSDtfsCounter, 43443 mSDsluCounter, 21744 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43443 SdHoareTripleChecker+Valid, 32642 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-22 15:31:55,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43443 Valid, 32642 Invalid, 470 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [235 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-22 15:31:55,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29722 states. [2021-11-22 15:31:57,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29722 to 25371. [2021-11-22 15:31:57,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25371 states, 25352 states have (on average 1.2935074155885138) internal successors, (32793), 25370 states have internal predecessors, (32793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25371 states to 25371 states and 32793 transitions. [2021-11-22 15:31:57,965 INFO L78 Accepts]: Start accepts. Automaton has 25371 states and 32793 transitions. Word has length 239 [2021-11-22 15:31:57,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:31:57,965 INFO L470 AbstractCegarLoop]: Abstraction has 25371 states and 32793 transitions. [2021-11-22 15:31:57,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:57,966 INFO L276 IsEmpty]: Start isEmpty. Operand 25371 states and 32793 transitions. [2021-11-22 15:31:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-22 15:31:57,971 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:57,971 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:31:58,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-22 15:31:58,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:31:58,187 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-22 15:31:58,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:58,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1063014782, now seen corresponding path program 1 times [2021-11-22 15:31:58,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:31:58,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49158310] [2021-11-22 15:31:58,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:58,190 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:31:58,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:31:58,191 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:31:58,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d819e8f7-070b-4939-a6a5-3233bdc5eaed/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-22 15:32:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:01,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1801 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 15:32:01,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:05,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:09,083 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:09,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49158310] [2021-11-22 15:32:09,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49158310] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:32:09,084 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:32:09,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-11-22 15:32:09,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125655758] [2021-11-22 15:32:09,084 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 15:32:09,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-22 15:32:09,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:09,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-22 15:32:09,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2021-11-22 15:32:09,086 INFO L87 Difference]: Start difference. First operand 25371 states and 32793 transitions. Second operand has 18 states, 18 states have (on average 24.555555555555557) internal successors, (442), 18 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)