./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 173c1bc6543682f1c72462b43f15f81318a32f6c96461f4bf98d0464775a9c62 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:48:51,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:48:51,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:48:51,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:48:51,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:48:51,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:48:51,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:48:51,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:48:51,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:48:51,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:48:51,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:48:51,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:48:51,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:48:51,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:48:51,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:48:51,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:48:51,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:48:51,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:48:51,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:48:51,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:48:51,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:48:51,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:48:51,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:48:51,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:48:51,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:48:51,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:48:51,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:48:51,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:48:51,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:48:51,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:48:51,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:48:51,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:48:51,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:48:51,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:48:51,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:48:51,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:48:51,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:48:51,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:48:51,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:48:51,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:48:51,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:48:51,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:48:51,558 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:48:51,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:48:51,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:48:51,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:48:51,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:48:51,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:48:51,569 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:48:51,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:48:51,570 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:48:51,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:48:51,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:48:51,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:48:51,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:48:51,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:48:51,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:48:51,573 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:48:51,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:48:51,574 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:48:51,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:48:51,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:48:51,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:48:51,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:48:51,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:48:51,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:48:51,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:48:51,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:48:51,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:48:51,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:48:51,577 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:48:51,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:48:51,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:48:51,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:48:51,580 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_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173c1bc6543682f1c72462b43f15f81318a32f6c96461f4bf98d0464775a9c62 [2021-10-28 23:48:51,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:48:51,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:48:51,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:48:51,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:48:51,949 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:48:51,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c [2021-10-28 23:48:52,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/data/bbbf1c13d/cfaefa9984f74bcd8b91bb9cb4322c2a/FLAG4669353b5 [2021-10-28 23:48:52,801 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:48:52,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c [2021-10-28 23:48:52,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/data/bbbf1c13d/cfaefa9984f74bcd8b91bb9cb4322c2a/FLAG4669353b5 [2021-10-28 23:48:52,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/data/bbbf1c13d/cfaefa9984f74bcd8b91bb9cb4322c2a [2021-10-28 23:48:52,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:48:52,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:48:52,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:48:52,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:48:52,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:48:52,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:48:52" (1/1) ... [2021-10-28 23:48:52,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eab31ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52, skipping insertion in model container [2021-10-28 23:48:52,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:48:52" (1/1) ... [2021-10-28 23:48:52,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:48:52,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:48:53,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c[35445,35458] [2021-10-28 23:48:53,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:48:53,292 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:48:53,403 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c[35445,35458] [2021-10-28 23:48:53,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:48:53,423 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:48:53,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:53 WrapperNode [2021-10-28 23:48:53,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:48:53,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:48:53,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:48:53,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:48:53,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:53" (1/1) ... [2021-10-28 23:48:53,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:53" (1/1) ... [2021-10-28 23:48:53,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:48:53,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:48:53,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:48:53,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:48:53,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:53" (1/1) ... [2021-10-28 23:48:53,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:53" (1/1) ... [2021-10-28 23:48:53,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:53" (1/1) ... [2021-10-28 23:48:53,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:53" (1/1) ... [2021-10-28 23:48:53,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:53" (1/1) ... [2021-10-28 23:48:53,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:53" (1/1) ... [2021-10-28 23:48:53,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:53" (1/1) ... [2021-10-28 23:48:53,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:48:53,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:48:53,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:48:53,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:48:53,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:53" (1/1) ... [2021-10-28 23:48:53,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:48:53,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:53,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:53,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:48:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:48:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:48:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:48:53,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:48:53,851 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:48:54,454 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-28 23:48:54,454 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-28 23:48:54,464 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:48:54,465 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:48:54,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:48:54 BoogieIcfgContainer [2021-10-28 23:48:54,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:48:54,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:48:54,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:48:54,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:48:54,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:48:52" (1/3) ... [2021-10-28 23:48:54,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c610265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:48:54, skipping insertion in model container [2021-10-28 23:48:54,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:53" (2/3) ... [2021-10-28 23:48:54,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c610265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:48:54, skipping insertion in model container [2021-10-28 23:48:54,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:48:54" (3/3) ... [2021-10-28 23:48:54,479 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-1.c [2021-10-28 23:48:54,485 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:48:54,485 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:48:54,592 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:48:54,603 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 [2021-10-28 23:48:54,603 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:48:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 125 states have (on average 1.72) internal successors, (215), 126 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:48:54,639 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:54,640 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:54,641 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:54,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:54,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1457700990, now seen corresponding path program 1 times [2021-10-28 23:48:54,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:54,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853736504] [2021-10-28 23:48:54,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:54,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:48:54,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:54,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853736504] [2021-10-28 23:48:54,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853736504] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:54,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:54,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:54,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615819939] [2021-10-28 23:48:54,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:54,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:54,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:54,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:54,982 INFO L87 Difference]: Start difference. First operand has 127 states, 125 states have (on average 1.72) internal successors, (215), 126 states have internal predecessors, (215), 0 states have call successors, (0), 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 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:55,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:55,086 INFO L93 Difference]: Finished difference Result 363 states and 617 transitions. [2021-10-28 23:48:55,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:55,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2021-10-28 23:48:55,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:55,103 INFO L225 Difference]: With dead ends: 363 [2021-10-28 23:48:55,103 INFO L226 Difference]: Without dead ends: 211 [2021-10-28 23:48:55,107 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:55,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-28 23:48:55,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2021-10-28 23:48:55,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.5) internal successors, (315), 210 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:55,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 315 transitions. [2021-10-28 23:48:55,170 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 315 transitions. Word has length 24 [2021-10-28 23:48:55,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:55,171 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 315 transitions. [2021-10-28 23:48:55,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:55,172 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 315 transitions. [2021-10-28 23:48:55,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-28 23:48:55,175 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:55,176 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:55,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:48:55,176 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:55,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:55,178 INFO L85 PathProgramCache]: Analyzing trace with hash 152202379, now seen corresponding path program 1 times [2021-10-28 23:48:55,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:55,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386891792] [2021-10-28 23:48:55,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:55,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:55,292 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:48:55,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:55,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386891792] [2021-10-28 23:48:55,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386891792] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:55,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:55,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:55,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342677896] [2021-10-28 23:48:55,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:55,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:55,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:55,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:55,302 INFO L87 Difference]: Start difference. First operand 211 states and 315 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:55,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:55,560 INFO L93 Difference]: Finished difference Result 340 states and 513 transitions. [2021-10-28 23:48:55,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:55,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2021-10-28 23:48:55,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:55,569 INFO L225 Difference]: With dead ends: 340 [2021-10-28 23:48:55,570 INFO L226 Difference]: Without dead ends: 236 [2021-10-28 23:48:55,575 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:55,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-10-28 23:48:55,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 228. [2021-10-28 23:48:55,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.4845814977973568) internal successors, (337), 227 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 337 transitions. [2021-10-28 23:48:55,625 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 337 transitions. Word has length 38 [2021-10-28 23:48:55,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:55,626 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 337 transitions. [2021-10-28 23:48:55,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:55,627 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 337 transitions. [2021-10-28 23:48:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-28 23:48:55,632 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:55,633 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:55,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:48:55,634 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:55,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:55,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1281794544, now seen corresponding path program 1 times [2021-10-28 23:48:55,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:55,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406446919] [2021-10-28 23:48:55,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:55,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 23:48:55,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:55,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406446919] [2021-10-28 23:48:55,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406446919] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:55,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:55,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:55,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360965226] [2021-10-28 23:48:55,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:55,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:55,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:55,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:55,787 INFO L87 Difference]: Start difference. First operand 228 states and 337 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:56,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:56,033 INFO L93 Difference]: Finished difference Result 551 states and 841 transitions. [2021-10-28 23:48:56,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:56,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-28 23:48:56,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:56,038 INFO L225 Difference]: With dead ends: 551 [2021-10-28 23:48:56,038 INFO L226 Difference]: Without dead ends: 328 [2021-10-28 23:48:56,040 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:56,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2021-10-28 23:48:56,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 310. [2021-10-28 23:48:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.4142394822006472) internal successors, (437), 309 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2021-10-28 23:48:56,086 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 55 [2021-10-28 23:48:56,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:56,087 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2021-10-28 23:48:56,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:56,087 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2021-10-28 23:48:56,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-28 23:48:56,100 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:56,101 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:56,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:48:56,102 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:56,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:56,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1258017753, now seen corresponding path program 1 times [2021-10-28 23:48:56,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:56,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761404154] [2021-10-28 23:48:56,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:56,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:56,249 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-28 23:48:56,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:56,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761404154] [2021-10-28 23:48:56,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761404154] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:56,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:56,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:56,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189478549] [2021-10-28 23:48:56,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:56,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:56,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:56,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:56,253 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:56,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:56,431 INFO L93 Difference]: Finished difference Result 659 states and 942 transitions. [2021-10-28 23:48:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:56,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 68 [2021-10-28 23:48:56,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:56,436 INFO L225 Difference]: With dead ends: 659 [2021-10-28 23:48:56,436 INFO L226 Difference]: Without dead ends: 356 [2021-10-28 23:48:56,437 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:56,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-10-28 23:48:56,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 348. [2021-10-28 23:48:56,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 347 states have (on average 1.3976945244956773) internal successors, (485), 347 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:56,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 485 transitions. [2021-10-28 23:48:56,451 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 485 transitions. Word has length 68 [2021-10-28 23:48:56,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:56,452 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 485 transitions. [2021-10-28 23:48:56,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 485 transitions. [2021-10-28 23:48:56,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-28 23:48:56,454 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:56,454 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:56,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:48:56,455 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:56,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:56,455 INFO L85 PathProgramCache]: Analyzing trace with hash 181274982, now seen corresponding path program 1 times [2021-10-28 23:48:56,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:56,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497856540] [2021-10-28 23:48:56,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:56,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-28 23:48:56,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:56,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497856540] [2021-10-28 23:48:56,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497856540] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:56,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:56,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:56,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773752063] [2021-10-28 23:48:56,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:56,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:56,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:56,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:56,529 INFO L87 Difference]: Start difference. First operand 348 states and 485 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:56,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:56,742 INFO L93 Difference]: Finished difference Result 828 states and 1180 transitions. [2021-10-28 23:48:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:56,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 81 [2021-10-28 23:48:56,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:56,750 INFO L225 Difference]: With dead ends: 828 [2021-10-28 23:48:56,750 INFO L226 Difference]: Without dead ends: 485 [2021-10-28 23:48:56,751 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:56,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-10-28 23:48:56,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 459. [2021-10-28 23:48:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.4323144104803494) internal successors, (656), 458 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:56,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 656 transitions. [2021-10-28 23:48:56,794 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 656 transitions. Word has length 81 [2021-10-28 23:48:56,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:56,797 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 656 transitions. [2021-10-28 23:48:56,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 656 transitions. [2021-10-28 23:48:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-28 23:48:56,800 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:56,800 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:56,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:48:56,801 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:56,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:56,801 INFO L85 PathProgramCache]: Analyzing trace with hash -901961809, now seen corresponding path program 1 times [2021-10-28 23:48:56,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:56,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254340919] [2021-10-28 23:48:56,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:56,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:56,897 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 23:48:56,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:56,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254340919] [2021-10-28 23:48:56,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254340919] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:56,899 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:56,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:56,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499892563] [2021-10-28 23:48:56,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:56,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:56,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:56,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:56,902 INFO L87 Difference]: Start difference. First operand 459 states and 656 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:57,051 INFO L93 Difference]: Finished difference Result 926 states and 1341 transitions. [2021-10-28 23:48:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:57,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 84 [2021-10-28 23:48:57,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:57,062 INFO L225 Difference]: With dead ends: 926 [2021-10-28 23:48:57,063 INFO L226 Difference]: Without dead ends: 507 [2021-10-28 23:48:57,064 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:57,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2021-10-28 23:48:57,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 501. [2021-10-28 23:48:57,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 500 states have (on average 1.416) internal successors, (708), 500 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 708 transitions. [2021-10-28 23:48:57,106 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 708 transitions. Word has length 84 [2021-10-28 23:48:57,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:57,107 INFO L470 AbstractCegarLoop]: Abstraction has 501 states and 708 transitions. [2021-10-28 23:48:57,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,107 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 708 transitions. [2021-10-28 23:48:57,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-28 23:48:57,109 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:57,109 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:57,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:48:57,110 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:57,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:57,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1810291289, now seen corresponding path program 1 times [2021-10-28 23:48:57,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:57,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255505592] [2021-10-28 23:48:57,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:57,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-28 23:48:57,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:57,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255505592] [2021-10-28 23:48:57,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255505592] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:57,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:57,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:57,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384240736] [2021-10-28 23:48:57,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:57,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:57,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:57,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:57,231 INFO L87 Difference]: Start difference. First operand 501 states and 708 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:57,274 INFO L93 Difference]: Finished difference Result 980 states and 1398 transitions. [2021-10-28 23:48:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:57,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 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 104 [2021-10-28 23:48:57,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:57,281 INFO L225 Difference]: With dead ends: 980 [2021-10-28 23:48:57,282 INFO L226 Difference]: Without dead ends: 739 [2021-10-28 23:48:57,283 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:57,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2021-10-28 23:48:57,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2021-10-28 23:48:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 738 states have (on average 1.4173441734417345) internal successors, (1046), 738 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1046 transitions. [2021-10-28 23:48:57,316 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1046 transitions. Word has length 104 [2021-10-28 23:48:57,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:57,316 INFO L470 AbstractCegarLoop]: Abstraction has 739 states and 1046 transitions. [2021-10-28 23:48:57,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1046 transitions. [2021-10-28 23:48:57,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-28 23:48:57,319 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:57,319 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:57,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:48:57,320 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:57,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:57,321 INFO L85 PathProgramCache]: Analyzing trace with hash 151283369, now seen corresponding path program 1 times [2021-10-28 23:48:57,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:57,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515788397] [2021-10-28 23:48:57,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:57,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:57,404 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-28 23:48:57,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:57,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515788397] [2021-10-28 23:48:57,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515788397] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:57,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:57,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:57,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405815067] [2021-10-28 23:48:57,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:57,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:57,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:57,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:57,408 INFO L87 Difference]: Start difference. First operand 739 states and 1046 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:57,437 INFO L93 Difference]: Finished difference Result 1239 states and 1758 transitions. [2021-10-28 23:48:57,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:57,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 104 [2021-10-28 23:48:57,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:57,444 INFO L225 Difference]: With dead ends: 1239 [2021-10-28 23:48:57,444 INFO L226 Difference]: Without dead ends: 760 [2021-10-28 23:48:57,445 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:57,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2021-10-28 23:48:57,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2021-10-28 23:48:57,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 759 states have (on average 1.4137022397891963) internal successors, (1073), 759 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1073 transitions. [2021-10-28 23:48:57,470 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1073 transitions. Word has length 104 [2021-10-28 23:48:57,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:57,471 INFO L470 AbstractCegarLoop]: Abstraction has 760 states and 1073 transitions. [2021-10-28 23:48:57,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,471 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1073 transitions. [2021-10-28 23:48:57,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-28 23:48:57,473 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:57,473 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:57,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:48:57,474 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:57,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:57,475 INFO L85 PathProgramCache]: Analyzing trace with hash -492994255, now seen corresponding path program 1 times [2021-10-28 23:48:57,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:57,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499481215] [2021-10-28 23:48:57,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:57,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-28 23:48:57,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:57,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499481215] [2021-10-28 23:48:57,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499481215] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:57,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:57,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:57,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017645116] [2021-10-28 23:48:57,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:57,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:57,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:57,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:57,537 INFO L87 Difference]: Start difference. First operand 760 states and 1073 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:57,597 INFO L93 Difference]: Finished difference Result 1001 states and 1419 transitions. [2021-10-28 23:48:57,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:57,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-10-28 23:48:57,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:57,605 INFO L225 Difference]: With dead ends: 1001 [2021-10-28 23:48:57,605 INFO L226 Difference]: Without dead ends: 999 [2021-10-28 23:48:57,606 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:57,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-10-28 23:48:57,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2021-10-28 23:48:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 998 states have (on average 1.4198396793587174) internal successors, (1417), 998 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1417 transitions. [2021-10-28 23:48:57,638 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1417 transitions. Word has length 106 [2021-10-28 23:48:57,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:57,638 INFO L470 AbstractCegarLoop]: Abstraction has 999 states and 1417 transitions. [2021-10-28 23:48:57,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1417 transitions. [2021-10-28 23:48:57,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-28 23:48:57,642 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:57,642 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:57,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:48:57,643 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:57,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:57,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1913560025, now seen corresponding path program 1 times [2021-10-28 23:48:57,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:57,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505666755] [2021-10-28 23:48:57,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:57,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-28 23:48:57,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:57,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505666755] [2021-10-28 23:48:57,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505666755] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:57,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:57,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:57,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490674392] [2021-10-28 23:48:57,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:57,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:57,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:57,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:57,696 INFO L87 Difference]: Start difference. First operand 999 states and 1417 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 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) [2021-10-28 23:48:57,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:57,821 INFO L93 Difference]: Finished difference Result 2064 states and 2956 transitions. [2021-10-28 23:48:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:57,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 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 131 [2021-10-28 23:48:57,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:57,828 INFO L225 Difference]: With dead ends: 2064 [2021-10-28 23:48:57,829 INFO L226 Difference]: Without dead ends: 1105 [2021-10-28 23:48:57,830 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:57,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2021-10-28 23:48:57,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1091. [2021-10-28 23:48:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1090 states have (on average 1.4027522935779817) internal successors, (1529), 1090 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:57,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1529 transitions. [2021-10-28 23:48:57,865 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1529 transitions. Word has length 131 [2021-10-28 23:48:57,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:57,866 INFO L470 AbstractCegarLoop]: Abstraction has 1091 states and 1529 transitions. [2021-10-28 23:48:57,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 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) [2021-10-28 23:48:57,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1529 transitions. [2021-10-28 23:48:57,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-10-28 23:48:57,870 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:57,871 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:57,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:48:57,871 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:57,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:57,872 INFO L85 PathProgramCache]: Analyzing trace with hash 296450083, now seen corresponding path program 1 times [2021-10-28 23:48:57,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:57,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220657748] [2021-10-28 23:48:57,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:57,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-10-28 23:48:57,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:57,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220657748] [2021-10-28 23:48:57,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220657748] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:57,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:57,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:57,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126424143] [2021-10-28 23:48:57,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:57,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:57,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:57,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:57,932 INFO L87 Difference]: Start difference. First operand 1091 states and 1529 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:58,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:58,087 INFO L93 Difference]: Finished difference Result 2346 states and 3350 transitions. [2021-10-28 23:48:58,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:58,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 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 152 [2021-10-28 23:48:58,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:58,097 INFO L225 Difference]: With dead ends: 2346 [2021-10-28 23:48:58,097 INFO L226 Difference]: Without dead ends: 1287 [2021-10-28 23:48:58,099 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:58,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2021-10-28 23:48:58,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1247. [2021-10-28 23:48:58,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1246 states have (on average 1.4069020866773676) internal successors, (1753), 1246 states have internal predecessors, (1753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1753 transitions. [2021-10-28 23:48:58,141 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1753 transitions. Word has length 152 [2021-10-28 23:48:58,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:58,142 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 1753 transitions. [2021-10-28 23:48:58,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1753 transitions. [2021-10-28 23:48:58,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-28 23:48:58,156 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:58,157 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:58,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:48:58,157 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:58,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:58,158 INFO L85 PathProgramCache]: Analyzing trace with hash 2080513012, now seen corresponding path program 1 times [2021-10-28 23:48:58,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:58,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945834852] [2021-10-28 23:48:58,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:58,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-10-28 23:48:58,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:58,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945834852] [2021-10-28 23:48:58,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945834852] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:58,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:58,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:58,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095397985] [2021-10-28 23:48:58,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:58,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:58,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:58,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:58,243 INFO L87 Difference]: Start difference. First operand 1247 states and 1753 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:58,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:58,375 INFO L93 Difference]: Finished difference Result 2574 states and 3602 transitions. [2021-10-28 23:48:58,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:58,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 188 [2021-10-28 23:48:58,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:58,389 INFO L225 Difference]: With dead ends: 2574 [2021-10-28 23:48:58,389 INFO L226 Difference]: Without dead ends: 1367 [2021-10-28 23:48:58,394 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:58,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2021-10-28 23:48:58,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1359. [2021-10-28 23:48:58,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1358 states have (on average 1.3880706921944035) internal successors, (1885), 1358 states have internal predecessors, (1885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:58,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1885 transitions. [2021-10-28 23:48:58,441 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1885 transitions. Word has length 188 [2021-10-28 23:48:58,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:58,442 INFO L470 AbstractCegarLoop]: Abstraction has 1359 states and 1885 transitions. [2021-10-28 23:48:58,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:58,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1885 transitions. [2021-10-28 23:48:58,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-28 23:48:58,448 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:58,448 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:58,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:48:58,449 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:58,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:58,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1653754506, now seen corresponding path program 1 times [2021-10-28 23:48:58,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:58,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528084302] [2021-10-28 23:48:58,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:58,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:58,540 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-10-28 23:48:58,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:58,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528084302] [2021-10-28 23:48:58,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528084302] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:58,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:58,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:58,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185394049] [2021-10-28 23:48:58,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:58,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:58,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:58,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:58,545 INFO L87 Difference]: Start difference. First operand 1359 states and 1885 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:58,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:58,673 INFO L93 Difference]: Finished difference Result 2814 states and 3902 transitions. [2021-10-28 23:48:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:58,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 188 [2021-10-28 23:48:58,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:58,683 INFO L225 Difference]: With dead ends: 2814 [2021-10-28 23:48:58,684 INFO L226 Difference]: Without dead ends: 1495 [2021-10-28 23:48:58,686 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:58,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2021-10-28 23:48:58,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1483. [2021-10-28 23:48:58,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 1482 states have (on average 1.3690958164642375) internal successors, (2029), 1482 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:58,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2029 transitions. [2021-10-28 23:48:58,738 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2029 transitions. Word has length 188 [2021-10-28 23:48:58,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:58,739 INFO L470 AbstractCegarLoop]: Abstraction has 1483 states and 2029 transitions. [2021-10-28 23:48:58,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:58,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2029 transitions. [2021-10-28 23:48:58,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-28 23:48:58,745 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:58,746 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:58,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:48:58,746 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:58,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:58,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1229348372, now seen corresponding path program 1 times [2021-10-28 23:48:58,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:58,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987142328] [2021-10-28 23:48:58,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:58,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:58,850 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-10-28 23:48:58,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:58,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987142328] [2021-10-28 23:48:58,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987142328] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:58,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:58,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:58,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946835948] [2021-10-28 23:48:58,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:58,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:58,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:58,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:58,855 INFO L87 Difference]: Start difference. First operand 1483 states and 2029 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:58,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:58,911 INFO L93 Difference]: Finished difference Result 4365 states and 5987 transitions. [2021-10-28 23:48:58,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:58,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 218 [2021-10-28 23:48:58,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:58,931 INFO L225 Difference]: With dead ends: 4365 [2021-10-28 23:48:58,932 INFO L226 Difference]: Without dead ends: 2922 [2021-10-28 23:48:58,935 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:58,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2021-10-28 23:48:59,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2920. [2021-10-28 23:48:59,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2919 states have (on average 1.3706748886605002) internal successors, (4001), 2919 states have internal predecessors, (4001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4001 transitions. [2021-10-28 23:48:59,059 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4001 transitions. Word has length 218 [2021-10-28 23:48:59,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:59,060 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 4001 transitions. [2021-10-28 23:48:59,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4001 transitions. [2021-10-28 23:48:59,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-28 23:48:59,069 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:59,069 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:59,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:48:59,070 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:59,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:59,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1790048150, now seen corresponding path program 1 times [2021-10-28 23:48:59,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:59,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301130295] [2021-10-28 23:48:59,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:59,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:59,160 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-10-28 23:48:59,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:59,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301130295] [2021-10-28 23:48:59,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301130295] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:59,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:59,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:59,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468391771] [2021-10-28 23:48:59,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:59,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:59,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:59,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:59,164 INFO L87 Difference]: Start difference. First operand 2920 states and 4001 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:59,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:59,359 INFO L93 Difference]: Finished difference Result 6100 states and 8366 transitions. [2021-10-28 23:48:59,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:59,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 218 [2021-10-28 23:48:59,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:59,383 INFO L225 Difference]: With dead ends: 6100 [2021-10-28 23:48:59,383 INFO L226 Difference]: Without dead ends: 3220 [2021-10-28 23:48:59,391 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:59,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2021-10-28 23:48:59,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 3204. [2021-10-28 23:48:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3204 states, 3203 states have (on average 1.3502965969403684) internal successors, (4325), 3203 states have internal predecessors, (4325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:59,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 4325 transitions. [2021-10-28 23:48:59,534 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 4325 transitions. Word has length 218 [2021-10-28 23:48:59,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:59,535 INFO L470 AbstractCegarLoop]: Abstraction has 3204 states and 4325 transitions. [2021-10-28 23:48:59,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:59,536 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 4325 transitions. [2021-10-28 23:48:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-10-28 23:48:59,549 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:59,549 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:59,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:48:59,550 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:59,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:59,550 INFO L85 PathProgramCache]: Analyzing trace with hash 678419774, now seen corresponding path program 1 times [2021-10-28 23:48:59,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:59,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328868581] [2021-10-28 23:48:59,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:59,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-10-28 23:48:59,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:59,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328868581] [2021-10-28 23:48:59,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328868581] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:59,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:59,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:48:59,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343855683] [2021-10-28 23:48:59,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:59,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:59,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:59,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:59,642 INFO L87 Difference]: Start difference. First operand 3204 states and 4325 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:59,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:59,828 INFO L93 Difference]: Finished difference Result 6516 states and 8798 transitions. [2021-10-28 23:48:59,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:59,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2021-10-28 23:48:59,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:59,851 INFO L225 Difference]: With dead ends: 6516 [2021-10-28 23:48:59,852 INFO L226 Difference]: Without dead ends: 3352 [2021-10-28 23:48:59,856 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:59,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2021-10-28 23:49:00,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3336. [2021-10-28 23:49:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3336 states, 3335 states have (on average 1.3424287856071964) internal successors, (4477), 3335 states have internal predecessors, (4477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:00,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 3336 states and 4477 transitions. [2021-10-28 23:49:00,028 INFO L78 Accepts]: Start accepts. Automaton has 3336 states and 4477 transitions. Word has length 242 [2021-10-28 23:49:00,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:00,029 INFO L470 AbstractCegarLoop]: Abstraction has 3336 states and 4477 transitions. [2021-10-28 23:49:00,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:00,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 4477 transitions. [2021-10-28 23:49:00,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-28 23:49:00,041 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:00,042 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:00,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 23:49:00,042 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:00,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:00,043 INFO L85 PathProgramCache]: Analyzing trace with hash -101941725, now seen corresponding path program 1 times [2021-10-28 23:49:00,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:00,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063096376] [2021-10-28 23:49:00,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:00,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-28 23:49:00,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:00,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063096376] [2021-10-28 23:49:00,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063096376] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:00,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:00,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:49:00,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684331813] [2021-10-28 23:49:00,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:00,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:00,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:00,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:00,125 INFO L87 Difference]: Start difference. First operand 3336 states and 4477 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:00,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:00,373 INFO L93 Difference]: Finished difference Result 7032 states and 9578 transitions. [2021-10-28 23:49:00,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:00,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2021-10-28 23:49:00,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:00,398 INFO L225 Difference]: With dead ends: 7032 [2021-10-28 23:49:00,399 INFO L226 Difference]: Without dead ends: 3736 [2021-10-28 23:49:00,404 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:00,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2021-10-28 23:49:00,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3648. [2021-10-28 23:49:00,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 3647 states have (on average 1.3284891691801481) internal successors, (4845), 3647 states have internal predecessors, (4845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:00,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 4845 transitions. [2021-10-28 23:49:00,555 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 4845 transitions. Word has length 253 [2021-10-28 23:49:00,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:00,556 INFO L470 AbstractCegarLoop]: Abstraction has 3648 states and 4845 transitions. [2021-10-28 23:49:00,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 4845 transitions. [2021-10-28 23:49:00,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-10-28 23:49:00,567 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:00,568 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:00,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 23:49:00,568 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:00,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:00,569 INFO L85 PathProgramCache]: Analyzing trace with hash 324455461, now seen corresponding path program 1 times [2021-10-28 23:49:00,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:00,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520237769] [2021-10-28 23:49:00,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:00,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:00,665 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-28 23:49:00,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:00,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520237769] [2021-10-28 23:49:00,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520237769] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:00,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:00,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:49:00,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276308684] [2021-10-28 23:49:00,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:00,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:00,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:00,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:00,670 INFO L87 Difference]: Start difference. First operand 3648 states and 4845 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:00,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:00,883 INFO L93 Difference]: Finished difference Result 7664 states and 10122 transitions. [2021-10-28 23:49:00,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:00,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 267 [2021-10-28 23:49:00,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:00,925 INFO L225 Difference]: With dead ends: 7664 [2021-10-28 23:49:00,925 INFO L226 Difference]: Without dead ends: 4056 [2021-10-28 23:49:00,930 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:00,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4056 states. [2021-10-28 23:49:01,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4056 to 3768. [2021-10-28 23:49:01,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3768 states, 3767 states have (on average 1.3243960711441465) internal successors, (4989), 3767 states have internal predecessors, (4989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 4989 transitions. [2021-10-28 23:49:01,052 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 4989 transitions. Word has length 267 [2021-10-28 23:49:01,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:01,053 INFO L470 AbstractCegarLoop]: Abstraction has 3768 states and 4989 transitions. [2021-10-28 23:49:01,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:01,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 4989 transitions. [2021-10-28 23:49:01,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-10-28 23:49:01,065 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:01,065 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:01,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 23:49:01,066 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:01,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:01,066 INFO L85 PathProgramCache]: Analyzing trace with hash 842255411, now seen corresponding path program 1 times [2021-10-28 23:49:01,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:01,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222652839] [2021-10-28 23:49:01,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:01,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:01,156 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2021-10-28 23:49:01,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:01,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222652839] [2021-10-28 23:49:01,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222652839] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:01,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:01,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:49:01,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191756192] [2021-10-28 23:49:01,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:01,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:01,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:01,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:01,160 INFO L87 Difference]: Start difference. First operand 3768 states and 4989 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:01,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:01,283 INFO L93 Difference]: Finished difference Result 10720 states and 14279 transitions. [2021-10-28 23:49:01,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:01,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 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 268 [2021-10-28 23:49:01,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:01,301 INFO L225 Difference]: With dead ends: 10720 [2021-10-28 23:49:01,302 INFO L226 Difference]: Without dead ends: 6992 [2021-10-28 23:49:01,308 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:01,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6992 states. [2021-10-28 23:49:01,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6992 to 6990. [2021-10-28 23:49:01,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6990 states, 6989 states have (on average 1.3325225354127914) internal successors, (9313), 6989 states have internal predecessors, (9313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:01,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6990 states to 6990 states and 9313 transitions. [2021-10-28 23:49:01,523 INFO L78 Accepts]: Start accepts. Automaton has 6990 states and 9313 transitions. Word has length 268 [2021-10-28 23:49:01,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:01,524 INFO L470 AbstractCegarLoop]: Abstraction has 6990 states and 9313 transitions. [2021-10-28 23:49:01,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:01,525 INFO L276 IsEmpty]: Start isEmpty. Operand 6990 states and 9313 transitions. [2021-10-28 23:49:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-10-28 23:49:01,582 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:01,582 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:01,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 23:49:01,583 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:01,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:01,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1556363552, now seen corresponding path program 1 times [2021-10-28 23:49:01,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:01,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206087494] [2021-10-28 23:49:01,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:01,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-10-28 23:49:01,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:01,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206087494] [2021-10-28 23:49:01,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206087494] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:01,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:01,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:49:01,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623684744] [2021-10-28 23:49:01,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:01,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:01,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:01,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:01,670 INFO L87 Difference]: Start difference. First operand 6990 states and 9313 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:01,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:01,909 INFO L93 Difference]: Finished difference Result 13948 states and 18570 transitions. [2021-10-28 23:49:01,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:01,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 269 [2021-10-28 23:49:01,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:01,926 INFO L225 Difference]: With dead ends: 13948 [2021-10-28 23:49:01,926 INFO L226 Difference]: Without dead ends: 6998 [2021-10-28 23:49:01,935 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:01,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6998 states. [2021-10-28 23:49:02,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6998 to 6966. [2021-10-28 23:49:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6966 states, 6965 states have (on average 1.3061019382627423) internal successors, (9097), 6965 states have internal predecessors, (9097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6966 states to 6966 states and 9097 transitions. [2021-10-28 23:49:02,197 INFO L78 Accepts]: Start accepts. Automaton has 6966 states and 9097 transitions. Word has length 269 [2021-10-28 23:49:02,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:02,197 INFO L470 AbstractCegarLoop]: Abstraction has 6966 states and 9097 transitions. [2021-10-28 23:49:02,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 6966 states and 9097 transitions. [2021-10-28 23:49:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-10-28 23:49:02,213 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:02,214 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:02,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 23:49:02,215 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:02,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:02,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1277617296, now seen corresponding path program 1 times [2021-10-28 23:49:02,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:02,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965633878] [2021-10-28 23:49:02,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:02,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-28 23:49:02,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:02,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965633878] [2021-10-28 23:49:02,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965633878] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:02,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908596482] [2021-10-28 23:49:02,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:02,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:49:02,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:49:02,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:49:02,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:49:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:02,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:49:02,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:49:03,294 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-28 23:49:03,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908596482] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:03,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:49:03,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 23:49:03,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919970548] [2021-10-28 23:49:03,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:49:03,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:03,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:49:03,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:49:03,298 INFO L87 Difference]: Start difference. First operand 6966 states and 9097 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:03,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:03,769 INFO L93 Difference]: Finished difference Result 13822 states and 18051 transitions. [2021-10-28 23:49:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:49:03,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 292 [2021-10-28 23:49:03,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:03,793 INFO L225 Difference]: With dead ends: 13822 [2021-10-28 23:49:03,793 INFO L226 Difference]: Without dead ends: 10438 [2021-10-28 23:49:03,801 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:49:03,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10438 states. [2021-10-28 23:49:04,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10438 to 8872. [2021-10-28 23:49:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8872 states, 8871 states have (on average 1.3063916131214068) internal successors, (11589), 8871 states have internal predecessors, (11589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:04,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8872 states to 8872 states and 11589 transitions. [2021-10-28 23:49:04,120 INFO L78 Accepts]: Start accepts. Automaton has 8872 states and 11589 transitions. Word has length 292 [2021-10-28 23:49:04,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:04,121 INFO L470 AbstractCegarLoop]: Abstraction has 8872 states and 11589 transitions. [2021-10-28 23:49:04,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 8872 states and 11589 transitions. [2021-10-28 23:49:04,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-10-28 23:49:04,140 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:04,141 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:04,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:49:04,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-28 23:49:04,362 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:04,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:04,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1037661491, now seen corresponding path program 2 times [2021-10-28 23:49:04,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:04,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464737902] [2021-10-28 23:49:04,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:04,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 407 proven. 5 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-28 23:49:04,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:04,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464737902] [2021-10-28 23:49:04,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464737902] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:04,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694491316] [2021-10-28 23:49:04,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:49:04,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:49:04,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:49:04,464 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:49:04,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:49:04,740 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:49:04,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:49:04,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:49:04,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:49:05,596 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2021-10-28 23:49:05,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694491316] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:05,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:49:05,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 23:49:05,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76428225] [2021-10-28 23:49:05,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:05,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:05,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:05,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:49:05,603 INFO L87 Difference]: Start difference. First operand 8872 states and 11589 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:05,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:05,911 INFO L93 Difference]: Finished difference Result 18732 states and 24846 transitions. [2021-10-28 23:49:05,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:05,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 305 [2021-10-28 23:49:05,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:05,935 INFO L225 Difference]: With dead ends: 18732 [2021-10-28 23:49:05,936 INFO L226 Difference]: Without dead ends: 9900 [2021-10-28 23:49:05,947 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:49:05,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9900 states. [2021-10-28 23:49:06,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9900 to 8996. [2021-10-28 23:49:06,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8996 states, 8995 states have (on average 1.3079488604780434) internal successors, (11765), 8995 states have internal predecessors, (11765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8996 states to 8996 states and 11765 transitions. [2021-10-28 23:49:06,238 INFO L78 Accepts]: Start accepts. Automaton has 8996 states and 11765 transitions. Word has length 305 [2021-10-28 23:49:06,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:06,239 INFO L470 AbstractCegarLoop]: Abstraction has 8996 states and 11765 transitions. [2021-10-28 23:49:06,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:06,240 INFO L276 IsEmpty]: Start isEmpty. Operand 8996 states and 11765 transitions. [2021-10-28 23:49:06,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-10-28 23:49:06,265 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:06,266 INFO L513 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:06,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:49:06,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-10-28 23:49:06,482 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:06,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:06,483 INFO L85 PathProgramCache]: Analyzing trace with hash 650041975, now seen corresponding path program 1 times [2021-10-28 23:49:06,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:06,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378546396] [2021-10-28 23:49:06,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:06,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 954 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-10-28 23:49:06,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:06,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378546396] [2021-10-28 23:49:06,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378546396] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:06,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450235708] [2021-10-28 23:49:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:06,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:49:06,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:49:06,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:49:06,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:49:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:07,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:49:07,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:49:08,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2021-10-28 23:49:08,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450235708] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:08,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:49:08,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 23:49:08,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10146599] [2021-10-28 23:49:08,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:08,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:08,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:08,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:49:08,014 INFO L87 Difference]: Start difference. First operand 8996 states and 11765 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:08,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:08,209 INFO L93 Difference]: Finished difference Result 22030 states and 28764 transitions. [2021-10-28 23:49:08,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:08,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 372 [2021-10-28 23:49:08,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:08,244 INFO L225 Difference]: With dead ends: 22030 [2021-10-28 23:49:08,244 INFO L226 Difference]: Without dead ends: 13074 [2021-10-28 23:49:08,257 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:49:08,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13074 states. [2021-10-28 23:49:08,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13074 to 13074. [2021-10-28 23:49:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13074 states, 13073 states have (on average 1.302302455442515) internal successors, (17025), 13073 states have internal predecessors, (17025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:08,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13074 states to 13074 states and 17025 transitions. [2021-10-28 23:49:08,648 INFO L78 Accepts]: Start accepts. Automaton has 13074 states and 17025 transitions. Word has length 372 [2021-10-28 23:49:08,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:08,649 INFO L470 AbstractCegarLoop]: Abstraction has 13074 states and 17025 transitions. [2021-10-28 23:49:08,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 13074 states and 17025 transitions. [2021-10-28 23:49:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-10-28 23:49:08,690 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:08,692 INFO L513 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:08,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:49:08,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-28 23:49:08,918 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:08,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:08,918 INFO L85 PathProgramCache]: Analyzing trace with hash -590181313, now seen corresponding path program 1 times [2021-10-28 23:49:08,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:08,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569944396] [2021-10-28 23:49:08,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:08,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-10-28 23:49:09,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:09,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569944396] [2021-10-28 23:49:09,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569944396] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:09,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453416186] [2021-10-28 23:49:09,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:09,015 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:49:09,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:49:09,016 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:49:09,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 23:49:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:09,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:49:09,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:49:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-10-28 23:49:10,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453416186] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:10,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:49:10,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 23:49:10,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860438558] [2021-10-28 23:49:10,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:49:10,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:10,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:49:10,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:49:10,257 INFO L87 Difference]: Start difference. First operand 13074 states and 17025 transitions. Second operand has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:10,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:10,778 INFO L93 Difference]: Finished difference Result 30581 states and 39599 transitions. [2021-10-28 23:49:10,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:49:10,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 374 [2021-10-28 23:49:10,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:10,820 INFO L225 Difference]: With dead ends: 30581 [2021-10-28 23:49:10,820 INFO L226 Difference]: Without dead ends: 17535 [2021-10-28 23:49:10,838 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:49:10,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17535 states. [2021-10-28 23:49:11,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17535 to 14250. [2021-10-28 23:49:11,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14250 states, 14249 states have (on average 1.276159730507404) internal successors, (18184), 14249 states have internal predecessors, (18184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14250 states to 14250 states and 18184 transitions. [2021-10-28 23:49:11,307 INFO L78 Accepts]: Start accepts. Automaton has 14250 states and 18184 transitions. Word has length 374 [2021-10-28 23:49:11,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:11,308 INFO L470 AbstractCegarLoop]: Abstraction has 14250 states and 18184 transitions. [2021-10-28 23:49:11,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 14250 states and 18184 transitions. [2021-10-28 23:49:11,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-10-28 23:49:11,342 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:11,343 INFO L513 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:11,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:49:11,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:49:11,558 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:11,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:11,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1273645298, now seen corresponding path program 1 times [2021-10-28 23:49:11,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:11,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136010647] [2021-10-28 23:49:11,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:11,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 886 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2021-10-28 23:49:11,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:11,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136010647] [2021-10-28 23:49:11,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136010647] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:11,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:11,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:49:11,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185905859] [2021-10-28 23:49:11,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:11,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:11,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:11,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:11,689 INFO L87 Difference]: Start difference. First operand 14250 states and 18184 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:12,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:12,026 INFO L93 Difference]: Finished difference Result 26787 states and 33718 transitions. [2021-10-28 23:49:12,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:12,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 413 [2021-10-28 23:49:12,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:12,043 INFO L225 Difference]: With dead ends: 26787 [2021-10-28 23:49:12,043 INFO L226 Difference]: Without dead ends: 6014 [2021-10-28 23:49:12,058 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:12,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6014 states. [2021-10-28 23:49:12,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6014 to 5562. [2021-10-28 23:49:12,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5562 states, 5561 states have (on average 1.2542708146016903) internal successors, (6975), 5561 states have internal predecessors, (6975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:12,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5562 states to 5562 states and 6975 transitions. [2021-10-28 23:49:12,220 INFO L78 Accepts]: Start accepts. Automaton has 5562 states and 6975 transitions. Word has length 413 [2021-10-28 23:49:12,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:12,220 INFO L470 AbstractCegarLoop]: Abstraction has 5562 states and 6975 transitions. [2021-10-28 23:49:12,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:12,221 INFO L276 IsEmpty]: Start isEmpty. Operand 5562 states and 6975 transitions. [2021-10-28 23:49:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-10-28 23:49:12,232 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:12,232 INFO L513 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:12,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-28 23:49:12,233 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:12,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:12,234 INFO L85 PathProgramCache]: Analyzing trace with hash 381067605, now seen corresponding path program 1 times [2021-10-28 23:49:12,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:12,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357250839] [2021-10-28 23:49:12,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:12,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2021-10-28 23:49:12,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:12,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357250839] [2021-10-28 23:49:12,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357250839] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:12,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256982938] [2021-10-28 23:49:12,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:12,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:49:12,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:49:12,362 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:49:12,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 23:49:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:13,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:49:13,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:49:14,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2021-10-28 23:49:14,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256982938] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:14,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:49:14,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 23:49:14,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596781509] [2021-10-28 23:49:14,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:49:14,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:14,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:49:14,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:49:14,128 INFO L87 Difference]: Start difference. First operand 5562 states and 6975 transitions. Second operand has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:14,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:14,341 INFO L93 Difference]: Finished difference Result 7086 states and 8869 transitions. [2021-10-28 23:49:14,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:49:14,342 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 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 442 [2021-10-28 23:49:14,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:14,342 INFO L225 Difference]: With dead ends: 7086 [2021-10-28 23:49:14,342 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:49:14,346 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:49:14,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:49:14,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:49:14,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:14,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:49:14,347 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 442 [2021-10-28 23:49:14,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:14,348 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:49:14,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:14,348 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:49:14,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:49:14,351 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:49:14,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-28 23:49:14,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-10-28 23:49:14,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:49:14,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:14,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:14,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:15,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:49:17,021 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 371) no Hoare annotation was computed. [2021-10-28 23:49:17,021 INFO L857 garLoopResultBuilder]: For program point L366-2(lines 366 371) no Hoare annotation was computed. [2021-10-28 23:49:17,021 INFO L857 garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed. [2021-10-28 23:49:17,021 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 495) no Hoare annotation was computed. [2021-10-28 23:49:17,021 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 506) no Hoare annotation was computed. [2021-10-28 23:49:17,022 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 517) no Hoare annotation was computed. [2021-10-28 23:49:17,022 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-10-28 23:49:17,022 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 466 468) no Hoare annotation was computed. [2021-10-28 23:49:17,022 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2021-10-28 23:49:17,022 INFO L853 garLoopResultBuilder]: At program point L202(lines 198 496) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2)) (.cse4 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse3 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse3) (and .cse4 .cse0 .cse1) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0) (and .cse4 .cse0 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse2 .cse3))) [2021-10-28 23:49:17,022 INFO L853 garLoopResultBuilder]: At program point L136(lines 132 518) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 1)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-28 23:49:17,023 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 105) no Hoare annotation was computed. [2021-10-28 23:49:17,023 INFO L860 garLoopResultBuilder]: At program point L566(lines 558 568) the Hoare annotation is: true [2021-10-28 23:49:17,023 INFO L857 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2021-10-28 23:49:17,023 INFO L857 garLoopResultBuilder]: For program point L335-2(lines 211 490) no Hoare annotation was computed. [2021-10-28 23:49:17,023 INFO L857 garLoopResultBuilder]: For program point L402(lines 402 405) no Hoare annotation was computed. [2021-10-28 23:49:17,023 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 494) no Hoare annotation was computed. [2021-10-28 23:49:17,023 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 505) no Hoare annotation was computed. [2021-10-28 23:49:17,023 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 516) no Hoare annotation was computed. [2021-10-28 23:49:17,023 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2021-10-28 23:49:17,023 INFO L857 garLoopResultBuilder]: For program point L238(lines 238 241) no Hoare annotation was computed. [2021-10-28 23:49:17,024 INFO L853 garLoopResultBuilder]: At program point L205(lines 204 494) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2)) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse4 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (.cse0 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4352))) (or (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (and .cse0 .cse1 .cse3 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse4) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0) (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1))) [2021-10-28 23:49:17,024 INFO L853 garLoopResultBuilder]: At program point L172(lines 162 508) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 .cse1 .cse2 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2))) [2021-10-28 23:49:17,024 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 439) no Hoare annotation was computed. [2021-10-28 23:49:17,024 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 493) no Hoare annotation was computed. [2021-10-28 23:49:17,024 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 504) no Hoare annotation was computed. [2021-10-28 23:49:17,024 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 515) no Hoare annotation was computed. [2021-10-28 23:49:17,024 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 86 556) no Hoare annotation was computed. [2021-10-28 23:49:17,024 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2021-10-28 23:49:17,025 INFO L857 garLoopResultBuilder]: For program point L472-2(lines 472 474) no Hoare annotation was computed. [2021-10-28 23:49:17,025 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 309) no Hoare annotation was computed. [2021-10-28 23:49:17,025 INFO L857 garLoopResultBuilder]: For program point L307-2(lines 211 490) no Hoare annotation was computed. [2021-10-28 23:49:17,025 INFO L860 garLoopResultBuilder]: At program point L208(lines 207 493) the Hoare annotation is: true [2021-10-28 23:49:17,025 INFO L853 garLoopResultBuilder]: At program point L142(lines 138 516) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-28 23:49:17,025 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-28 23:49:17,028 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 444) no Hoare annotation was computed. [2021-10-28 23:49:17,028 INFO L857 garLoopResultBuilder]: For program point L440-2(lines 440 444) no Hoare annotation was computed. [2021-10-28 23:49:17,028 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-10-28 23:49:17,029 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 277) no Hoare annotation was computed. [2021-10-28 23:49:17,029 INFO L857 garLoopResultBuilder]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2021-10-28 23:49:17,030 INFO L857 garLoopResultBuilder]: For program point L275-2(lines 211 490) no Hoare annotation was computed. [2021-10-28 23:49:17,030 INFO L860 garLoopResultBuilder]: At program point L210(lines 209 493) the Hoare annotation is: true [2021-10-28 23:49:17,031 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 503) no Hoare annotation was computed. [2021-10-28 23:49:17,031 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 514) no Hoare annotation was computed. [2021-10-28 23:49:17,031 INFO L857 garLoopResultBuilder]: For program point L111(lines 111 525) no Hoare annotation was computed. [2021-10-28 23:49:17,031 INFO L853 garLoopResultBuilder]: At program point L178(lines 174 504) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 .cse1 .cse2 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2))) [2021-10-28 23:49:17,031 INFO L853 garLoopResultBuilder]: At program point L112(lines 111 525) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0))) [2021-10-28 23:49:17,031 INFO L857 garLoopResultBuilder]: For program point L410(lines 410 412) no Hoare annotation was computed. [2021-10-28 23:49:17,031 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 379) no Hoare annotation was computed. [2021-10-28 23:49:17,032 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 502) no Hoare annotation was computed. [2021-10-28 23:49:17,032 INFO L857 garLoopResultBuilder]: For program point L147(lines 147 513) no Hoare annotation was computed. [2021-10-28 23:49:17,032 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 524) no Hoare annotation was computed. [2021-10-28 23:49:17,032 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2021-10-28 23:49:17,032 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2021-10-28 23:49:17,032 INFO L853 garLoopResultBuilder]: At program point L148(lines 144 514) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-28 23:49:17,032 INFO L860 garLoopResultBuilder]: At program point L545(lines 107 546) the Hoare annotation is: true [2021-10-28 23:49:17,032 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 285) no Hoare annotation was computed. [2021-10-28 23:49:17,033 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2021-10-28 23:49:17,034 INFO L857 garLoopResultBuilder]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2021-10-28 23:49:17,034 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 318) no Hoare annotation was computed. [2021-10-28 23:49:17,034 INFO L853 garLoopResultBuilder]: At program point L216(lines 114 524) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse0))) [2021-10-28 23:49:17,034 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 501) no Hoare annotation was computed. [2021-10-28 23:49:17,035 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 512) no Hoare annotation was computed. [2021-10-28 23:49:17,035 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 523) no Hoare annotation was computed. [2021-10-28 23:49:17,035 INFO L853 garLoopResultBuilder]: At program point L184(lines 180 502) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 .cse1 .cse2 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2))) [2021-10-28 23:49:17,035 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:49:17,035 INFO L857 garLoopResultBuilder]: For program point L483(lines 483 485) no Hoare annotation was computed. [2021-10-28 23:49:17,035 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 461) no Hoare annotation was computed. [2021-10-28 23:49:17,035 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 431) no Hoare annotation was computed. [2021-10-28 23:49:17,035 INFO L857 garLoopResultBuilder]: For program point L417-1(lines 417 431) no Hoare annotation was computed. [2021-10-28 23:49:17,035 INFO L857 garLoopResultBuilder]: For program point L450-2(lines 450 461) no Hoare annotation was computed. [2021-10-28 23:49:17,036 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 500) no Hoare annotation was computed. [2021-10-28 23:49:17,036 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 511) no Hoare annotation was computed. [2021-10-28 23:49:17,036 INFO L857 garLoopResultBuilder]: For program point L120(lines 120 522) no Hoare annotation was computed. [2021-10-28 23:49:17,036 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 552) no Hoare annotation was computed. [2021-10-28 23:49:17,036 INFO L857 garLoopResultBuilder]: For program point L550-2(lines 550 552) no Hoare annotation was computed. [2021-10-28 23:49:17,036 INFO L853 garLoopResultBuilder]: At program point L154(lines 150 512) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-28 23:49:17,036 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2021-10-28 23:49:17,036 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2021-10-28 23:49:17,036 INFO L857 garLoopResultBuilder]: For program point L221-2(lines 221 223) no Hoare annotation was computed. [2021-10-28 23:49:17,037 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 389) no Hoare annotation was computed. [2021-10-28 23:49:17,037 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 499) no Hoare annotation was computed. [2021-10-28 23:49:17,037 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 510) no Hoare annotation was computed. [2021-10-28 23:49:17,037 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 521) no Hoare annotation was computed. [2021-10-28 23:49:17,038 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2021-10-28 23:49:17,038 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:49:17,038 INFO L853 garLoopResultBuilder]: At program point L190(lines 186 500) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)))) [2021-10-28 23:49:17,038 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 458) no Hoare annotation was computed. [2021-10-28 23:49:17,040 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2021-10-28 23:49:17,040 INFO L857 garLoopResultBuilder]: For program point L290-1(lines 290 300) no Hoare annotation was computed. [2021-10-28 23:49:17,040 INFO L860 garLoopResultBuilder]: At program point L555(lines 22 557) the Hoare annotation is: true [2021-10-28 23:49:17,040 INFO L853 garLoopResultBuilder]: At program point L324(lines 86 556) the Hoare annotation is: false [2021-10-28 23:49:17,041 INFO L857 garLoopResultBuilder]: For program point L192(lines 192 498) no Hoare annotation was computed. [2021-10-28 23:49:17,041 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 509) no Hoare annotation was computed. [2021-10-28 23:49:17,041 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 520) no Hoare annotation was computed. [2021-10-28 23:49:17,041 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 229) no Hoare annotation was computed. [2021-10-28 23:49:17,041 INFO L853 garLoopResultBuilder]: At program point L160(lines 156 510) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse3 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse2 .cse3) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse3) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-28 23:49:17,041 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2021-10-28 23:49:17,042 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:49:17,042 INFO L853 garLoopResultBuilder]: At program point L491(lines 108 544) the Hoare annotation is: (let ((.cse6 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse7 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse4 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4352)) (.cse9 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__state~0 4528)) (.cse10 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse11 (<= ULTIMATE.start_ssl3_connect_~s__state~0 3)) (.cse8 (= 4512 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse1 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (.cse3 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2)) (.cse0 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse1) (and .cse2 .cse3) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (and .cse4 .cse5 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (and (= ULTIMATE.start_ssl3_connect_~s__state~0 4384) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 1)) (and (= 4464 ULTIMATE.start_ssl3_connect_~s__state~0) .cse0 .cse1) (and (= ULTIMATE.start_ssl3_connect_~s__state~0 4480) .cse0 .cse1) (and .cse6 .cse7 .cse3) (and .cse3 .cse8) (and .cse6 .cse7 .cse9 .cse10 .cse0 .cse1) (and .cse4 .cse5 .cse9 .cse10 .cse0 .cse1) (and .cse3 .cse10 .cse11) (and .cse2 .cse0 .cse1) (and .cse10 .cse1 .cse11) (and .cse8 .cse0 .cse1) (and (= 4496 ULTIMATE.start_ssl3_connect_~s__state~0) .cse0 .cse1) (and .cse3 .cse0))) [2021-10-28 23:49:17,042 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 328) no Hoare annotation was computed. [2021-10-28 23:49:17,042 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 262) no Hoare annotation was computed. [2021-10-28 23:49:17,042 INFO L857 garLoopResultBuilder]: For program point L260-2(lines 211 490) no Hoare annotation was computed. [2021-10-28 23:49:17,043 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 397) no Hoare annotation was computed. [2021-10-28 23:49:17,043 INFO L857 garLoopResultBuilder]: For program point L393-2(lines 211 490) no Hoare annotation was computed. [2021-10-28 23:49:17,043 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 296) no Hoare annotation was computed. [2021-10-28 23:49:17,044 INFO L857 garLoopResultBuilder]: For program point L294-2(lines 292 300) no Hoare annotation was computed. [2021-10-28 23:49:17,044 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 497) no Hoare annotation was computed. [2021-10-28 23:49:17,044 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 508) no Hoare annotation was computed. [2021-10-28 23:49:17,044 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 519) no Hoare annotation was computed. [2021-10-28 23:49:17,044 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 542) no Hoare annotation was computed. [2021-10-28 23:49:17,044 INFO L853 garLoopResultBuilder]: At program point L196(lines 192 498) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)))) [2021-10-28 23:49:17,045 INFO L853 garLoopResultBuilder]: At program point L130(lines 126 520) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-28 23:49:17,045 INFO L857 garLoopResultBuilder]: For program point L97(lines 97 99) no Hoare annotation was computed. [2021-10-28 23:49:17,045 INFO L857 garLoopResultBuilder]: For program point L97-2(lines 94 100) no Hoare annotation was computed. [2021-10-28 23:49:17,045 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 541) no Hoare annotation was computed. [2021-10-28 23:49:17,045 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 364) no Hoare annotation was computed. [2021-10-28 23:49:17,045 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:49:17,046 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2021-10-28 23:49:17,046 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 533) no Hoare annotation was computed. [2021-10-28 23:49:17,046 INFO L857 garLoopResultBuilder]: For program point L528-2(lines 527 541) no Hoare annotation was computed. [2021-10-28 23:49:17,046 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 496) no Hoare annotation was computed. [2021-10-28 23:49:17,046 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 507) no Hoare annotation was computed. [2021-10-28 23:49:17,046 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 518) no Hoare annotation was computed. [2021-10-28 23:49:17,046 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2021-10-28 23:49:17,047 INFO L857 garLoopResultBuilder]: For program point L232-2(lines 211 490) no Hoare annotation was computed. [2021-10-28 23:49:17,047 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2021-10-28 23:49:17,050 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:17,052 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:49:17,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:49:17 BoogieIcfgContainer [2021-10-28 23:49:17,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:49:17,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:49:17,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:49:17,102 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:49:17,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:48:54" (3/4) ... [2021-10-28 23:49:17,106 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:49:17,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:49:17,126 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:49:17,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:49:17,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:49:17,218 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:49:17,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:49:17,220 INFO L168 Benchmark]: Toolchain (without parser) took 24352.49 ms. Allocated memory was 119.5 MB in the beginning and 664.8 MB in the end (delta: 545.3 MB). Free memory was 86.4 MB in the beginning and 322.2 MB in the end (delta: -235.9 MB). Peak memory consumption was 309.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:17,220 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:49:17,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.71 ms. Allocated memory is still 119.5 MB. Free memory was 86.1 MB in the beginning and 90.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:17,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.94 ms. Allocated memory is still 119.5 MB. Free memory was 90.5 MB in the beginning and 88.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:17,221 INFO L168 Benchmark]: Boogie Preprocessor took 83.24 ms. Allocated memory is still 119.5 MB. Free memory was 88.0 MB in the beginning and 85.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:17,222 INFO L168 Benchmark]: RCFGBuilder took 897.96 ms. Allocated memory is still 119.5 MB. Free memory was 85.9 MB in the beginning and 59.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:17,222 INFO L168 Benchmark]: TraceAbstraction took 22631.23 ms. Allocated memory was 119.5 MB in the beginning and 664.8 MB in the end (delta: 545.3 MB). Free memory was 58.6 MB in the beginning and 331.7 MB in the end (delta: -273.0 MB). Peak memory consumption was 370.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:17,223 INFO L168 Benchmark]: Witness Printer took 117.09 ms. Allocated memory is still 664.8 MB. Free memory was 331.7 MB in the beginning and 322.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:17,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 554.71 ms. Allocated memory is still 119.5 MB. Free memory was 86.1 MB in the beginning and 90.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.94 ms. Allocated memory is still 119.5 MB. Free memory was 90.5 MB in the beginning and 88.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.24 ms. Allocated memory is still 119.5 MB. Free memory was 88.0 MB in the beginning and 85.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 897.96 ms. Allocated memory is still 119.5 MB. Free memory was 85.9 MB in the beginning and 59.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22631.23 ms. Allocated memory was 119.5 MB in the beginning and 664.8 MB in the end (delta: 545.3 MB). Free memory was 58.6 MB in the beginning and 331.7 MB in the end (delta: -273.0 MB). Peak memory consumption was 370.6 MB. Max. memory is 16.1 GB. * Witness Printer took 117.09 ms. Allocated memory is still 664.8 MB. Free memory was 331.7 MB in the beginning and 322.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 554]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 127 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.4s, OverallIterations: 26, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5281 SDtfs, 1771 SDslu, 2969 SDs, 0 SdLazy, 2491 SolverSat, 465 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1869 GetRequests, 1833 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14250occurred in iteration=24, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 6791 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 522 NumberOfFragments, 805 HoareAnnotationTreeSize, 22 FomulaSimplifications, 36330 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 3784 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 7041 NumberOfCodeBlocks, 7041 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 7010 ConstructedInterpolants, 0 QuantifiedInterpolants, 9594 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3290 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 31 InterpolantComputations, 23 PerfectInterpolantSequences, 23227/23311 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((((4560 <= s__state && blastFlag == 2) && s__hit == 0) || (((4560 <= s__state && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4560 <= s__state) && blastFlag == 2)) || (blastFlag == 0 && 4560 <= s__state)) || ((((s__state <= 4560 && 4560 <= s__state) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((4560 <= s__state && blastFlag == 2) && s__hit == 0) || (((4560 <= s__state && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || (blastFlag == 0 && 4560 <= s__state) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((((((((((((((s__hit == 0 && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms) || (s__state == 4528 && blastFlag == 2)) || blastFlag == 0) || (((4352 <= s__state && s__state <= 4352) && blastFlag == 2) && s__s3__tmp__next_state___0 <= 3)) || (s__state == 4384 && blastFlag == 1)) || ((4464 == s__state && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state == 4480 && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4560 <= s__state) && blastFlag == 2)) || (blastFlag == 2 && 4512 == s__state)) || (((((s__state <= 4560 && 4560 <= s__state) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((((4352 <= s__state && s__state <= 4352) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((blastFlag == 2 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 3)) || ((s__state == 4528 && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__s3__tmp__next_state___0 <= 4560 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 3)) || ((4512 == s__state && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((4496 == s__state && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (blastFlag == 2 && s__hit == 0) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: (((s__hit == 0 && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms) || blastFlag == 0) || (blastFlag == 2 && s__hit == 0) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: ((((((s__state <= 4560 && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) || (((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0)) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state) && s__hit == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: ((((((4352 <= s__state && s__state <= 4352) && blastFlag == 2) && s__s3__tmp__next_state___0 <= 3) || ((((4352 <= s__state && s__state <= 4352) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((4352 <= s__state && s__state <= 4352) && blastFlag == 2) && s__hit == 0)) || (((((4352 <= s__state && s__state <= 4352) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((4352 <= s__state && blastFlag == 0) && s__state <= 4352) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || ((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state)) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state) && s__hit == 0) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || ((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state)) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 1) || (((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0)) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state) && s__hit == 0) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:49:17,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98d5d20-aa95-4f4b-b0ea-aef99f52752e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...