./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label24.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_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg --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 c49e8ae23817aa2c6b4293aba2a0dafa15622f84ed9ad9570ae0d323ad70f2e2 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:07:02,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:07:02,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:07:02,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:07:02,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:07:02,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:07:02,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:07:02,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:07:02,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:07:02,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:07:02,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:07:02,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:07:02,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:07:02,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:07:02,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:07:02,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:07:02,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:07:02,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:07:02,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:07:02,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:07:02,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:07:02,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:07:02,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:07:02,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:07:02,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:07:02,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:07:02,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:07:02,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:07:02,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:07:02,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:07:02,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:07:02,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:07:02,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:07:02,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:07:02,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:07:02,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:07:02,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:07:02,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:07:02,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:07:02,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:07:02,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:07:02,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:07:02,562 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:07:02,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:07:02,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:07:02,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:07:02,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:07:02,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:07:02,567 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:07:02,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:07:02,567 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:07:02,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:07:02,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:07:02,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:07:02,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:07:02,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:07:02,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:07:02,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:07:02,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:07:02,571 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:07:02,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:07:02,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:07:02,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:07:02,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:07:02,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:07:02,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:07:02,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:07:02,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:07:02,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:07:02,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:07:02,573 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:07:02,575 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:07:02,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:07:02,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:07:02,576 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_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c49e8ae23817aa2c6b4293aba2a0dafa15622f84ed9ad9570ae0d323ad70f2e2 [2021-10-28 09:07:02,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:07:02,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:07:02,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:07:02,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:07:02,973 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:07:02,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2021-10-28 09:07:03,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/data/0fa4db7ce/bcd3f33c83db4616b29941d7795f1f68/FLAG4a12fce67 [2021-10-28 09:07:03,926 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:07:03,927 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2021-10-28 09:07:03,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/data/0fa4db7ce/bcd3f33c83db4616b29941d7795f1f68/FLAG4a12fce67 [2021-10-28 09:07:04,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/data/0fa4db7ce/bcd3f33c83db4616b29941d7795f1f68 [2021-10-28 09:07:04,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:07:04,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:07:04,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:04,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:07:04,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:07:04,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:04" (1/1) ... [2021-10-28 09:07:04,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40953d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:04, skipping insertion in model container [2021-10-28 09:07:04,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:04" (1/1) ... [2021-10-28 09:07:04,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:07:04,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:07:04,830 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_df48cc78-06a3-438d-8c50-4996f78ee391/sv-benchmarks/c/eca-rers2012/Problem03_label24.c[60015,60028] [2021-10-28 09:07:04,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:04,868 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:07:05,136 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_df48cc78-06a3-438d-8c50-4996f78ee391/sv-benchmarks/c/eca-rers2012/Problem03_label24.c[60015,60028] [2021-10-28 09:07:05,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:05,170 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:07:05,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:05 WrapperNode [2021-10-28 09:07:05,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:05,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:05,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:07:05,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:07:05,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:05" (1/1) ... [2021-10-28 09:07:05,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:05" (1/1) ... [2021-10-28 09:07:05,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:05,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:07:05,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:07:05,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:07:05,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:05" (1/1) ... [2021-10-28 09:07:05,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:05" (1/1) ... [2021-10-28 09:07:05,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:05" (1/1) ... [2021-10-28 09:07:05,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:05" (1/1) ... [2021-10-28 09:07:05,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:05" (1/1) ... [2021-10-28 09:07:05,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:05" (1/1) ... [2021-10-28 09:07:05,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:05" (1/1) ... [2021-10-28 09:07:05,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:07:05,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:07:05,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:07:05,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:07:05,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:05" (1/1) ... [2021-10-28 09:07:05,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:07:05,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:05,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:05,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:07:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:07:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:07:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:07:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:07:07,739 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:07:07,739 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:07:07,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:07 BoogieIcfgContainer [2021-10-28 09:07:07,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:07:07,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:07:07,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:07:07,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:07:07,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:07:04" (1/3) ... [2021-10-28 09:07:07,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f08a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:07:07, skipping insertion in model container [2021-10-28 09:07:07,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:05" (2/3) ... [2021-10-28 09:07:07,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f08a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:07:07, skipping insertion in model container [2021-10-28 09:07:07,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:07" (3/3) ... [2021-10-28 09:07:07,757 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label24.c [2021-10-28 09:07:07,764 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:07:07,764 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:07:07,840 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:07:07,847 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 09:07:07,847 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:07:07,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 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 09:07:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-10-28 09:07:07,893 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:07,894 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:07,895 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:07,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:07,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1612939027, now seen corresponding path program 1 times [2021-10-28 09:07:07,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:07,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972649311] [2021-10-28 09:07:07,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:07,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:08,682 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 09:07:08,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:08,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972649311] [2021-10-28 09:07:08,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972649311] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:08,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:08,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:08,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496067840] [2021-10-28 09:07:08,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:08,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:08,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:08,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:08,711 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 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 09:07:10,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:10,043 INFO L93 Difference]: Finished difference Result 835 states and 1478 transitions. [2021-10-28 09:07:10,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:10,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2021-10-28 09:07:10,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:10,076 INFO L225 Difference]: With dead ends: 835 [2021-10-28 09:07:10,078 INFO L226 Difference]: Without dead ends: 456 [2021-10-28 09:07:10,088 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:10,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2021-10-28 09:07:10,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 451. [2021-10-28 09:07:10,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 450 states have (on average 1.5622222222222222) internal successors, (703), 450 states have internal predecessors, (703), 0 states have call successors, (0), 0 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 09:07:10,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 703 transitions. [2021-10-28 09:07:10,202 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 703 transitions. Word has length 191 [2021-10-28 09:07:10,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:10,207 INFO L470 AbstractCegarLoop]: Abstraction has 451 states and 703 transitions. [2021-10-28 09:07:10,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 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 09:07:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 703 transitions. [2021-10-28 09:07:10,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-10-28 09:07:10,221 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:10,222 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:10,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:07:10,222 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:10,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:10,224 INFO L85 PathProgramCache]: Analyzing trace with hash -575763515, now seen corresponding path program 1 times [2021-10-28 09:07:10,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:10,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558839689] [2021-10-28 09:07:10,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:10,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:10,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:10,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:10,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558839689] [2021-10-28 09:07:10,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558839689] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:10,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:10,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:10,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164063764] [2021-10-28 09:07:10,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:10,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:10,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:10,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:10,364 INFO L87 Difference]: Start difference. First operand 451 states and 703 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 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 09:07:11,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:11,355 INFO L93 Difference]: Finished difference Result 1330 states and 2076 transitions. [2021-10-28 09:07:11,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:11,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 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 197 [2021-10-28 09:07:11,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:11,362 INFO L225 Difference]: With dead ends: 1330 [2021-10-28 09:07:11,362 INFO L226 Difference]: Without dead ends: 881 [2021-10-28 09:07:11,367 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:11,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2021-10-28 09:07:11,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 878. [2021-10-28 09:07:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 877 states have (on average 1.4811858608893957) internal successors, (1299), 877 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 09:07:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1299 transitions. [2021-10-28 09:07:11,419 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1299 transitions. Word has length 197 [2021-10-28 09:07:11,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:11,420 INFO L470 AbstractCegarLoop]: Abstraction has 878 states and 1299 transitions. [2021-10-28 09:07:11,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 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 09:07:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1299 transitions. [2021-10-28 09:07:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-10-28 09:07:11,425 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:11,425 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:11,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:07:11,426 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:11,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:11,426 INFO L85 PathProgramCache]: Analyzing trace with hash -141804039, now seen corresponding path program 1 times [2021-10-28 09:07:11,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:11,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568340085] [2021-10-28 09:07:11,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:11,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:11,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:11,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568340085] [2021-10-28 09:07:11,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568340085] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:11,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:11,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:11,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992242042] [2021-10-28 09:07:11,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:11,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:11,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:11,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:11,573 INFO L87 Difference]: Start difference. First operand 878 states and 1299 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 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 09:07:12,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:12,690 INFO L93 Difference]: Finished difference Result 2591 states and 3839 transitions. [2021-10-28 09:07:12,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:12,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 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 201 [2021-10-28 09:07:12,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:12,702 INFO L225 Difference]: With dead ends: 2591 [2021-10-28 09:07:12,703 INFO L226 Difference]: Without dead ends: 1715 [2021-10-28 09:07:12,704 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:12,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2021-10-28 09:07:12,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1714. [2021-10-28 09:07:12,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1713 states have (on average 1.4162288382953883) internal successors, (2426), 1713 states have internal predecessors, (2426), 0 states have call successors, (0), 0 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 09:07:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2426 transitions. [2021-10-28 09:07:12,755 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2426 transitions. Word has length 201 [2021-10-28 09:07:12,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:12,756 INFO L470 AbstractCegarLoop]: Abstraction has 1714 states and 2426 transitions. [2021-10-28 09:07:12,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 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 09:07:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2426 transitions. [2021-10-28 09:07:12,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-10-28 09:07:12,763 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:12,764 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:12,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:07:12,764 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:12,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:12,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1812753892, now seen corresponding path program 1 times [2021-10-28 09:07:12,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:12,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105336331] [2021-10-28 09:07:12,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:12,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:12,855 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:12,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:12,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105336331] [2021-10-28 09:07:12,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105336331] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:12,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:12,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:12,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509571541] [2021-10-28 09:07:12,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:12,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:12,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:12,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:12,860 INFO L87 Difference]: Start difference. First operand 1714 states and 2426 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:13,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:13,882 INFO L93 Difference]: Finished difference Result 5071 states and 7181 transitions. [2021-10-28 09:07:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:13,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 206 [2021-10-28 09:07:13,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:13,904 INFO L225 Difference]: With dead ends: 5071 [2021-10-28 09:07:13,904 INFO L226 Difference]: Without dead ends: 3359 [2021-10-28 09:07:13,907 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:13,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3359 states. [2021-10-28 09:07:14,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3359 to 3354. [2021-10-28 09:07:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3354 states, 3353 states have (on average 1.3584849388607216) internal successors, (4555), 3353 states have internal predecessors, (4555), 0 states have call successors, (0), 0 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 09:07:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 3354 states and 4555 transitions. [2021-10-28 09:07:14,049 INFO L78 Accepts]: Start accepts. Automaton has 3354 states and 4555 transitions. Word has length 206 [2021-10-28 09:07:14,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:14,050 INFO L470 AbstractCegarLoop]: Abstraction has 3354 states and 4555 transitions. [2021-10-28 09:07:14,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3354 states and 4555 transitions. [2021-10-28 09:07:14,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-10-28 09:07:14,060 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:14,060 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:14,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:07:14,061 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:14,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:14,064 INFO L85 PathProgramCache]: Analyzing trace with hash 371855278, now seen corresponding path program 1 times [2021-10-28 09:07:14,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:14,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960805147] [2021-10-28 09:07:14,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:14,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:14,186 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:07:14,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:14,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960805147] [2021-10-28 09:07:14,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960805147] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:14,188 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:14,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:14,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577508377] [2021-10-28 09:07:14,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:14,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:14,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:14,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:14,192 INFO L87 Difference]: Start difference. First operand 3354 states and 4555 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 2 states have internal predecessors, (203), 0 states have call successors, (0), 0 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 09:07:15,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:15,440 INFO L93 Difference]: Finished difference Result 9955 states and 13518 transitions. [2021-10-28 09:07:15,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:15,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 2 states have internal predecessors, (203), 0 states have call successors, (0), 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 208 [2021-10-28 09:07:15,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:15,485 INFO L225 Difference]: With dead ends: 9955 [2021-10-28 09:07:15,485 INFO L226 Difference]: Without dead ends: 6603 [2021-10-28 09:07:15,491 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:15,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6603 states. [2021-10-28 09:07:15,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6603 to 6602. [2021-10-28 09:07:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6602 states, 6601 states have (on average 1.2439024390243902) internal successors, (8211), 6601 states have internal predecessors, (8211), 0 states have call successors, (0), 0 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 09:07:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6602 states to 6602 states and 8211 transitions. [2021-10-28 09:07:15,760 INFO L78 Accepts]: Start accepts. Automaton has 6602 states and 8211 transitions. Word has length 208 [2021-10-28 09:07:15,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:15,761 INFO L470 AbstractCegarLoop]: Abstraction has 6602 states and 8211 transitions. [2021-10-28 09:07:15,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 2 states have internal predecessors, (203), 0 states have call successors, (0), 0 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 09:07:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 6602 states and 8211 transitions. [2021-10-28 09:07:15,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-28 09:07:15,775 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:15,776 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:15,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:07:15,776 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:15,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:15,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1464925484, now seen corresponding path program 1 times [2021-10-28 09:07:15,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:15,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256493986] [2021-10-28 09:07:15,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:15,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 09:07:15,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:15,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256493986] [2021-10-28 09:07:15,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256493986] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:07:15,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607784077] [2021-10-28 09:07:15,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:15,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:15,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:15,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:15,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:07:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:16,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:07:16,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:16,955 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-28 09:07:16,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607784077] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:16,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:07:16,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 09:07:16,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467187501] [2021-10-28 09:07:16,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:16,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:16,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:16,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:07:16,959 INFO L87 Difference]: Start difference. First operand 6602 states and 8211 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:18,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:18,253 INFO L93 Difference]: Finished difference Result 19732 states and 24550 transitions. [2021-10-28 09:07:18,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:18,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 218 [2021-10-28 09:07:18,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:18,341 INFO L225 Difference]: With dead ends: 19732 [2021-10-28 09:07:18,341 INFO L226 Difference]: Without dead ends: 13132 [2021-10-28 09:07:18,351 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 217 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 09:07:18,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13132 states. [2021-10-28 09:07:18,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13132 to 13099. [2021-10-28 09:07:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13099 states, 13098 states have (on average 1.214078485264926) internal successors, (15902), 13098 states have internal predecessors, (15902), 0 states have call successors, (0), 0 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 09:07:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13099 states to 13099 states and 15902 transitions. [2021-10-28 09:07:18,766 INFO L78 Accepts]: Start accepts. Automaton has 13099 states and 15902 transitions. Word has length 218 [2021-10-28 09:07:18,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:18,768 INFO L470 AbstractCegarLoop]: Abstraction has 13099 states and 15902 transitions. [2021-10-28 09:07:18,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:18,768 INFO L276 IsEmpty]: Start isEmpty. Operand 13099 states and 15902 transitions. [2021-10-28 09:07:18,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-10-28 09:07:18,798 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:18,800 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:18,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:19,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:19,018 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:19,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:19,019 INFO L85 PathProgramCache]: Analyzing trace with hash 225162493, now seen corresponding path program 1 times [2021-10-28 09:07:19,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:19,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080714164] [2021-10-28 09:07:19,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:19,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 52 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-28 09:07:19,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:19,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080714164] [2021-10-28 09:07:19,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080714164] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:07:19,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326542329] [2021-10-28 09:07:19,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:19,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:19,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:19,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:19,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:07:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:19,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:07:19,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-28 09:07:20,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326542329] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:20,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:07:20,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 09:07:20,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618162751] [2021-10-28 09:07:20,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:20,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:20,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:20,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:07:20,205 INFO L87 Difference]: Start difference. First operand 13099 states and 15902 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:21,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:21,394 INFO L93 Difference]: Finished difference Result 32505 states and 39665 transitions. [2021-10-28 09:07:21,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:21,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 252 [2021-10-28 09:07:21,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:21,554 INFO L225 Difference]: With dead ends: 32505 [2021-10-28 09:07:21,555 INFO L226 Difference]: Without dead ends: 19408 [2021-10-28 09:07:21,568 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 251 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 09:07:21,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19408 states. [2021-10-28 09:07:21,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19408 to 19399. [2021-10-28 09:07:22,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19399 states, 19398 states have (on average 1.1904320032993092) internal successors, (23092), 19398 states have internal predecessors, (23092), 0 states have call successors, (0), 0 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 09:07:22,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19399 states to 19399 states and 23092 transitions. [2021-10-28 09:07:22,085 INFO L78 Accepts]: Start accepts. Automaton has 19399 states and 23092 transitions. Word has length 252 [2021-10-28 09:07:22,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:22,086 INFO L470 AbstractCegarLoop]: Abstraction has 19399 states and 23092 transitions. [2021-10-28 09:07:22,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:22,087 INFO L276 IsEmpty]: Start isEmpty. Operand 19399 states and 23092 transitions. [2021-10-28 09:07:22,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-10-28 09:07:22,132 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:22,132 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:22,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:22,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-10-28 09:07:22,349 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:22,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:22,350 INFO L85 PathProgramCache]: Analyzing trace with hash -311005589, now seen corresponding path program 1 times [2021-10-28 09:07:22,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:22,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059016349] [2021-10-28 09:07:22,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:22,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:22,505 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:07:22,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:22,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059016349] [2021-10-28 09:07:22,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059016349] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:22,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:22,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:22,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643132642] [2021-10-28 09:07:22,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:22,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:22,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:22,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:22,509 INFO L87 Difference]: Start difference. First operand 19399 states and 23092 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:23,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:23,881 INFO L93 Difference]: Finished difference Result 43900 states and 52377 transitions. [2021-10-28 09:07:23,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:23,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 260 [2021-10-28 09:07:23,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:23,937 INFO L225 Difference]: With dead ends: 43900 [2021-10-28 09:07:23,937 INFO L226 Difference]: Without dead ends: 24503 [2021-10-28 09:07:23,956 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 09:07:23,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24503 states. [2021-10-28 09:07:24,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24503 to 23256. [2021-10-28 09:07:24,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23256 states, 23255 states have (on average 1.1802623091808213) internal successors, (27447), 23255 states have internal predecessors, (27447), 0 states have call successors, (0), 0 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 09:07:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23256 states to 23256 states and 27447 transitions. [2021-10-28 09:07:24,577 INFO L78 Accepts]: Start accepts. Automaton has 23256 states and 27447 transitions. Word has length 260 [2021-10-28 09:07:24,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:24,578 INFO L470 AbstractCegarLoop]: Abstraction has 23256 states and 27447 transitions. [2021-10-28 09:07:24,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 23256 states and 27447 transitions. [2021-10-28 09:07:24,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-10-28 09:07:24,634 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:24,635 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:24,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:07:24,636 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:24,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:24,636 INFO L85 PathProgramCache]: Analyzing trace with hash -173040566, now seen corresponding path program 1 times [2021-10-28 09:07:24,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:24,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024793506] [2021-10-28 09:07:24,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:24,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:07:24,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:24,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024793506] [2021-10-28 09:07:24,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024793506] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:24,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:24,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:24,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487306396] [2021-10-28 09:07:24,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:24,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:24,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:24,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:24,807 INFO L87 Difference]: Start difference. First operand 23256 states and 27447 transitions. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 2 states have internal predecessors, (267), 0 states have call successors, (0), 0 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 09:07:26,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:26,072 INFO L93 Difference]: Finished difference Result 46547 states and 54965 transitions. [2021-10-28 09:07:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:26,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 2 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 272 [2021-10-28 09:07:26,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:26,127 INFO L225 Difference]: With dead ends: 46547 [2021-10-28 09:07:26,127 INFO L226 Difference]: Without dead ends: 23293 [2021-10-28 09:07:26,152 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:26,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23293 states. [2021-10-28 09:07:26,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23293 to 23256. [2021-10-28 09:07:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23256 states, 23255 states have (on average 1.1745431090088152) internal successors, (27314), 23255 states have internal predecessors, (27314), 0 states have call successors, (0), 0 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 09:07:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23256 states to 23256 states and 27314 transitions. [2021-10-28 09:07:27,001 INFO L78 Accepts]: Start accepts. Automaton has 23256 states and 27314 transitions. Word has length 272 [2021-10-28 09:07:27,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:27,002 INFO L470 AbstractCegarLoop]: Abstraction has 23256 states and 27314 transitions. [2021-10-28 09:07:27,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 2 states have internal predecessors, (267), 0 states have call successors, (0), 0 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 09:07:27,002 INFO L276 IsEmpty]: Start isEmpty. Operand 23256 states and 27314 transitions. [2021-10-28 09:07:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-10-28 09:07:27,062 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:27,063 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:27,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:07:27,064 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:27,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:27,065 INFO L85 PathProgramCache]: Analyzing trace with hash 822074886, now seen corresponding path program 1 times [2021-10-28 09:07:27,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:27,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28359398] [2021-10-28 09:07:27,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:27,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:27,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:27,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28359398] [2021-10-28 09:07:27,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28359398] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:27,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:27,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:27,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036387737] [2021-10-28 09:07:27,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:07:27,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:27,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:07:27,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:27,505 INFO L87 Difference]: Start difference. First operand 23256 states and 27314 transitions. Second operand has 4 states, 4 states have (on average 69.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 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 09:07:29,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:29,173 INFO L93 Difference]: Finished difference Result 51022 states and 60250 transitions. [2021-10-28 09:07:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:07:29,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 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 276 [2021-10-28 09:07:29,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:29,221 INFO L225 Difference]: With dead ends: 51022 [2021-10-28 09:07:29,221 INFO L226 Difference]: Without dead ends: 27768 [2021-10-28 09:07:29,237 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:29,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27768 states. [2021-10-28 09:07:29,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27768 to 24880. [2021-10-28 09:07:29,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24880 states, 24879 states have (on average 1.1862213111459463) internal successors, (29512), 24879 states have internal predecessors, (29512), 0 states have call successors, (0), 0 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 09:07:29,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24880 states to 24880 states and 29512 transitions. [2021-10-28 09:07:29,785 INFO L78 Accepts]: Start accepts. Automaton has 24880 states and 29512 transitions. Word has length 276 [2021-10-28 09:07:29,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:29,786 INFO L470 AbstractCegarLoop]: Abstraction has 24880 states and 29512 transitions. [2021-10-28 09:07:29,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 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 09:07:29,786 INFO L276 IsEmpty]: Start isEmpty. Operand 24880 states and 29512 transitions. [2021-10-28 09:07:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-28 09:07:29,970 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:29,971 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:29,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:07:29,972 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:29,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:29,973 INFO L85 PathProgramCache]: Analyzing trace with hash -860847823, now seen corresponding path program 1 times [2021-10-28 09:07:29,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:29,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642055818] [2021-10-28 09:07:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:29,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-28 09:07:30,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:30,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642055818] [2021-10-28 09:07:30,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642055818] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:07:30,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444928192] [2021-10-28 09:07:30,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:30,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:30,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:30,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:30,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 09:07:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:30,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:30,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:31,233 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-28 09:07:31,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444928192] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:31,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:07:31,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 09:07:31,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431266015] [2021-10-28 09:07:31,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:31,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:31,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:31,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:07:31,237 INFO L87 Difference]: Start difference. First operand 24880 states and 29512 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 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 09:07:32,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:32,334 INFO L93 Difference]: Finished difference Result 47733 states and 56758 transitions. [2021-10-28 09:07:32,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:32,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 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 283 [2021-10-28 09:07:32,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:32,365 INFO L225 Difference]: With dead ends: 47733 [2021-10-28 09:07:32,365 INFO L226 Difference]: Without dead ends: 22855 [2021-10-28 09:07:32,380 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 282 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 09:07:32,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22855 states. [2021-10-28 09:07:32,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22855 to 22846. [2021-10-28 09:07:32,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22846 states, 22845 states have (on average 1.1672576056029766) internal successors, (26666), 22845 states have internal predecessors, (26666), 0 states have call successors, (0), 0 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 09:07:32,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22846 states to 22846 states and 26666 transitions. [2021-10-28 09:07:32,934 INFO L78 Accepts]: Start accepts. Automaton has 22846 states and 26666 transitions. Word has length 283 [2021-10-28 09:07:32,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:32,935 INFO L470 AbstractCegarLoop]: Abstraction has 22846 states and 26666 transitions. [2021-10-28 09:07:32,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 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 09:07:32,935 INFO L276 IsEmpty]: Start isEmpty. Operand 22846 states and 26666 transitions. [2021-10-28 09:07:32,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-10-28 09:07:32,959 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:32,960 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:33,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:33,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-28 09:07:33,185 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:33,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:33,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1954846457, now seen corresponding path program 1 times [2021-10-28 09:07:33,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:33,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895636422] [2021-10-28 09:07:33,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:33,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:33,469 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:07:33,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:33,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895636422] [2021-10-28 09:07:33,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895636422] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:33,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:33,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:33,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295151737] [2021-10-28 09:07:33,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:33,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:33,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:33,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:33,473 INFO L87 Difference]: Start difference. First operand 22846 states and 26666 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 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 09:07:34,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:34,490 INFO L93 Difference]: Finished difference Result 48754 states and 56889 transitions. [2021-10-28 09:07:34,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:34,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 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 284 [2021-10-28 09:07:34,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:34,528 INFO L225 Difference]: With dead ends: 48754 [2021-10-28 09:07:34,529 INFO L226 Difference]: Without dead ends: 25910 [2021-10-28 09:07:34,543 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 09:07:34,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25910 states. [2021-10-28 09:07:35,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25910 to 25296. [2021-10-28 09:07:35,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25296 states, 25295 states have (on average 1.160861830401265) internal successors, (29364), 25295 states have internal predecessors, (29364), 0 states have call successors, (0), 0 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 09:07:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25296 states to 25296 states and 29364 transitions. [2021-10-28 09:07:35,267 INFO L78 Accepts]: Start accepts. Automaton has 25296 states and 29364 transitions. Word has length 284 [2021-10-28 09:07:35,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:35,268 INFO L470 AbstractCegarLoop]: Abstraction has 25296 states and 29364 transitions. [2021-10-28 09:07:35,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 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 09:07:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand 25296 states and 29364 transitions. [2021-10-28 09:07:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-10-28 09:07:35,295 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:35,296 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:35,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 09:07:35,296 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:35,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:35,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1223799915, now seen corresponding path program 1 times [2021-10-28 09:07:35,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:35,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136506230] [2021-10-28 09:07:35,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:35,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:35,417 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-28 09:07:35,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:35,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136506230] [2021-10-28 09:07:35,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136506230] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:35,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:35,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:35,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140535811] [2021-10-28 09:07:35,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:35,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:35,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:35,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:35,424 INFO L87 Difference]: Start difference. First operand 25296 states and 29364 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 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 09:07:36,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:36,782 INFO L93 Difference]: Finished difference Result 63461 states and 73686 transitions. [2021-10-28 09:07:36,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:36,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 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 297 [2021-10-28 09:07:36,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:36,820 INFO L225 Difference]: With dead ends: 63461 [2021-10-28 09:07:36,821 INFO L226 Difference]: Without dead ends: 38167 [2021-10-28 09:07:36,838 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:36,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38167 states. [2021-10-28 09:07:37,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38167 to 38163. [2021-10-28 09:07:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38163 states, 38162 states have (on average 1.1591897699282008) internal successors, (44237), 38162 states have internal predecessors, (44237), 0 states have call successors, (0), 0 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 09:07:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38163 states to 38163 states and 44237 transitions. [2021-10-28 09:07:37,401 INFO L78 Accepts]: Start accepts. Automaton has 38163 states and 44237 transitions. Word has length 297 [2021-10-28 09:07:37,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:37,401 INFO L470 AbstractCegarLoop]: Abstraction has 38163 states and 44237 transitions. [2021-10-28 09:07:37,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 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 09:07:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 38163 states and 44237 transitions. [2021-10-28 09:07:37,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-10-28 09:07:37,645 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:37,645 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:37,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 09:07:37,646 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:37,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:37,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1718924768, now seen corresponding path program 1 times [2021-10-28 09:07:37,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:37,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971097892] [2021-10-28 09:07:37,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:37,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-28 09:07:37,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:37,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971097892] [2021-10-28 09:07:37,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971097892] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:07:37,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798460711] [2021-10-28 09:07:37,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:37,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:37,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:37,825 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:37,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 09:07:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:38,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:38,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-28 09:07:39,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798460711] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:39,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:07:39,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 09:07:39,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708450907] [2021-10-28 09:07:39,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:39,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:39,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:39,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:07:39,310 INFO L87 Difference]: Start difference. First operand 38163 states and 44237 transitions. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 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 09:07:40,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:40,738 INFO L93 Difference]: Finished difference Result 76351 states and 88525 transitions. [2021-10-28 09:07:40,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:40,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 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 304 [2021-10-28 09:07:40,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:40,775 INFO L225 Difference]: With dead ends: 76351 [2021-10-28 09:07:40,775 INFO L226 Difference]: Without dead ends: 38190 [2021-10-28 09:07:40,783 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 303 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 09:07:40,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38190 states. [2021-10-28 09:07:41,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38190 to 38163. [2021-10-28 09:07:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38163 states, 38162 states have (on average 1.1548923012420733) internal successors, (44073), 38162 states have internal predecessors, (44073), 0 states have call successors, (0), 0 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 09:07:41,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38163 states to 38163 states and 44073 transitions. [2021-10-28 09:07:41,440 INFO L78 Accepts]: Start accepts. Automaton has 38163 states and 44073 transitions. Word has length 304 [2021-10-28 09:07:41,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:41,441 INFO L470 AbstractCegarLoop]: Abstraction has 38163 states and 44073 transitions. [2021-10-28 09:07:41,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 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 09:07:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand 38163 states and 44073 transitions. [2021-10-28 09:07:41,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-10-28 09:07:41,501 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:41,502 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:41,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:41,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-28 09:07:41,717 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:41,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:41,718 INFO L85 PathProgramCache]: Analyzing trace with hash 2143417981, now seen corresponding path program 1 times [2021-10-28 09:07:41,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:41,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313179994] [2021-10-28 09:07:41,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:41,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:41,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:41,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313179994] [2021-10-28 09:07:41,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313179994] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:41,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:41,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:41,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74776685] [2021-10-28 09:07:41,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:07:41,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:41,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:07:41,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:41,925 INFO L87 Difference]: Start difference. First operand 38163 states and 44073 transitions. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 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 09:07:43,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:43,557 INFO L93 Difference]: Finished difference Result 110223 states and 127384 transitions. [2021-10-28 09:07:43,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:07:43,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 317 [2021-10-28 09:07:43,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:43,636 INFO L225 Difference]: With dead ends: 110223 [2021-10-28 09:07:43,636 INFO L226 Difference]: Without dead ends: 72062 [2021-10-28 09:07:43,653 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:43,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72062 states. [2021-10-28 09:07:44,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72062 to 67328. [2021-10-28 09:07:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67328 states, 67327 states have (on average 1.1624608255231927) internal successors, (78265), 67327 states have internal predecessors, (78265), 0 states have call successors, (0), 0 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 09:07:44,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67328 states to 67328 states and 78265 transitions. [2021-10-28 09:07:44,673 INFO L78 Accepts]: Start accepts. Automaton has 67328 states and 78265 transitions. Word has length 317 [2021-10-28 09:07:44,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:44,674 INFO L470 AbstractCegarLoop]: Abstraction has 67328 states and 78265 transitions. [2021-10-28 09:07:44,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 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 09:07:44,674 INFO L276 IsEmpty]: Start isEmpty. Operand 67328 states and 78265 transitions. [2021-10-28 09:07:44,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-10-28 09:07:44,726 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:44,727 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:44,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 09:07:44,727 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:44,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:44,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1958166679, now seen corresponding path program 1 times [2021-10-28 09:07:44,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:44,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988010047] [2021-10-28 09:07:44,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:44,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-10-28 09:07:44,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:44,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988010047] [2021-10-28 09:07:44,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988010047] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:44,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:44,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:44,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819109082] [2021-10-28 09:07:44,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:44,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:44,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:44,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:44,928 INFO L87 Difference]: Start difference. First operand 67328 states and 78265 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 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 09:07:46,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:46,469 INFO L93 Difference]: Finished difference Result 127661 states and 147768 transitions. [2021-10-28 09:07:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:46,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 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 332 [2021-10-28 09:07:46,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:46,561 INFO L225 Difference]: With dead ends: 127661 [2021-10-28 09:07:46,561 INFO L226 Difference]: Without dead ends: 60335 [2021-10-28 09:07:46,597 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 09:07:46,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60335 states. [2021-10-28 09:07:47,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60335 to 60330. [2021-10-28 09:07:47,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60330 states, 60329 states have (on average 1.1249813522518193) internal successors, (67869), 60329 states have internal predecessors, (67869), 0 states have call successors, (0), 0 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 09:07:47,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60330 states to 60330 states and 67869 transitions. [2021-10-28 09:07:47,623 INFO L78 Accepts]: Start accepts. Automaton has 60330 states and 67869 transitions. Word has length 332 [2021-10-28 09:07:47,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:47,624 INFO L470 AbstractCegarLoop]: Abstraction has 60330 states and 67869 transitions. [2021-10-28 09:07:47,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 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 09:07:47,624 INFO L276 IsEmpty]: Start isEmpty. Operand 60330 states and 67869 transitions. [2021-10-28 09:07:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-10-28 09:07:47,661 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:47,661 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:47,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 09:07:47,662 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:47,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,662 INFO L85 PathProgramCache]: Analyzing trace with hash 367061888, now seen corresponding path program 1 times [2021-10-28 09:07:47,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634343649] [2021-10-28 09:07:47,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-28 09:07:48,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:48,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634343649] [2021-10-28 09:07:48,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634343649] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:48,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:48,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:48,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136783967] [2021-10-28 09:07:48,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:48,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:48,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:48,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:48,207 INFO L87 Difference]: Start difference. First operand 60330 states and 67869 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 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 09:07:49,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:49,345 INFO L93 Difference]: Finished difference Result 118823 states and 133622 transitions. [2021-10-28 09:07:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:49,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 365 [2021-10-28 09:07:49,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:49,406 INFO L225 Difference]: With dead ends: 118823 [2021-10-28 09:07:49,406 INFO L226 Difference]: Without dead ends: 56465 [2021-10-28 09:07:49,432 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 09:07:49,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56465 states. [2021-10-28 09:07:50,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56465 to 49759. [2021-10-28 09:07:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49759 states, 49758 states have (on average 1.083484062864263) internal successors, (53912), 49758 states have internal predecessors, (53912), 0 states have call successors, (0), 0 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 09:07:50,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49759 states to 49759 states and 53912 transitions. [2021-10-28 09:07:50,444 INFO L78 Accepts]: Start accepts. Automaton has 49759 states and 53912 transitions. Word has length 365 [2021-10-28 09:07:50,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:50,445 INFO L470 AbstractCegarLoop]: Abstraction has 49759 states and 53912 transitions. [2021-10-28 09:07:50,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 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 09:07:50,446 INFO L276 IsEmpty]: Start isEmpty. Operand 49759 states and 53912 transitions. [2021-10-28 09:07:50,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-10-28 09:07:50,494 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:50,494 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:50,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 09:07:50,495 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:50,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:50,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1151356727, now seen corresponding path program 1 times [2021-10-28 09:07:50,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:50,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118096537] [2021-10-28 09:07:50,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:50,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:50,719 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-10-28 09:07:50,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:50,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118096537] [2021-10-28 09:07:50,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118096537] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:50,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:50,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:50,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315388496] [2021-10-28 09:07:50,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:07:50,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:50,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:07:50,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:50,724 INFO L87 Difference]: Start difference. First operand 49759 states and 53912 transitions. Second operand has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 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 09:07:52,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:52,623 INFO L93 Difference]: Finished difference Result 105846 states and 114676 transitions. [2021-10-28 09:07:52,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:07:52,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 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 425 [2021-10-28 09:07:52,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:52,708 INFO L225 Difference]: With dead ends: 105846 [2021-10-28 09:07:52,708 INFO L226 Difference]: Without dead ends: 55683 [2021-10-28 09:07:52,739 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:52,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55683 states. [2021-10-28 09:07:53,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55683 to 50370. [2021-10-28 09:07:53,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50370 states, 50369 states have (on average 1.0828287240167562) internal successors, (54541), 50369 states have internal predecessors, (54541), 0 states have call successors, (0), 0 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 09:07:53,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50370 states to 50370 states and 54541 transitions. [2021-10-28 09:07:53,644 INFO L78 Accepts]: Start accepts. Automaton has 50370 states and 54541 transitions. Word has length 425 [2021-10-28 09:07:53,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:53,645 INFO L470 AbstractCegarLoop]: Abstraction has 50370 states and 54541 transitions. [2021-10-28 09:07:53,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 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 09:07:53,645 INFO L276 IsEmpty]: Start isEmpty. Operand 50370 states and 54541 transitions. [2021-10-28 09:07:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2021-10-28 09:07:53,680 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:53,681 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:53,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 09:07:53,681 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:53,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:53,682 INFO L85 PathProgramCache]: Analyzing trace with hash 799394999, now seen corresponding path program 1 times [2021-10-28 09:07:53,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:53,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143969757] [2021-10-28 09:07:53,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:53,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 245 proven. 6 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-10-28 09:07:53,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:53,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143969757] [2021-10-28 09:07:53,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143969757] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:07:53,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048315113] [2021-10-28 09:07:53,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:53,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:53,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:53,902 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:53,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 09:07:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:54,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:54,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:55,562 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-10-28 09:07:55,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048315113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:55,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:07:55,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-28 09:07:55,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805244815] [2021-10-28 09:07:55,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:55,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:55,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:55,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:07:55,566 INFO L87 Difference]: Start difference. First operand 50370 states and 54541 transitions. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 2 states have internal predecessors, (318), 0 states have call successors, (0), 0 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 09:07:56,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:56,603 INFO L93 Difference]: Finished difference Result 150284 states and 162770 transitions. [2021-10-28 09:07:56,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:56,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 2 states have internal predecessors, (318), 0 states have call successors, (0), 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 427 [2021-10-28 09:07:56,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:56,759 INFO L225 Difference]: With dead ends: 150284 [2021-10-28 09:07:56,759 INFO L226 Difference]: Without dead ends: 99916 [2021-10-28 09:07:56,788 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 426 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 09:07:56,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99916 states. [2021-10-28 09:07:58,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99916 to 97070. [2021-10-28 09:07:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97070 states, 97069 states have (on average 1.0846511244578598) internal successors, (105286), 97069 states have internal predecessors, (105286), 0 states have call successors, (0), 0 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 09:07:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97070 states to 97070 states and 105286 transitions. [2021-10-28 09:07:58,368 INFO L78 Accepts]: Start accepts. Automaton has 97070 states and 105286 transitions. Word has length 427 [2021-10-28 09:07:58,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:58,369 INFO L470 AbstractCegarLoop]: Abstraction has 97070 states and 105286 transitions. [2021-10-28 09:07:58,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 2 states have internal predecessors, (318), 0 states have call successors, (0), 0 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 09:07:58,370 INFO L276 IsEmpty]: Start isEmpty. Operand 97070 states and 105286 transitions. [2021-10-28 09:07:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-10-28 09:07:58,467 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:58,468 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:58,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:58,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:58,681 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:58,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:58,682 INFO L85 PathProgramCache]: Analyzing trace with hash 94488694, now seen corresponding path program 1 times [2021-10-28 09:07:58,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:58,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558607842] [2021-10-28 09:07:58,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:58,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:07:59,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:59,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558607842] [2021-10-28 09:07:59,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558607842] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:59,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:59,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:59,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37926024] [2021-10-28 09:07:59,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:07:59,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:59,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:07:59,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:59,570 INFO L87 Difference]: Start difference. First operand 97070 states and 105286 transitions. Second operand has 4 states, 4 states have (on average 110.5) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:00,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:00,790 INFO L93 Difference]: Finished difference Result 147404 states and 159580 transitions. [2021-10-28 09:08:00,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:08:00,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 447 [2021-10-28 09:08:00,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:00,850 INFO L225 Difference]: With dead ends: 147404 [2021-10-28 09:08:00,850 INFO L226 Difference]: Without dead ends: 50336 [2021-10-28 09:08:00,887 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:08:00,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50336 states. [2021-10-28 09:08:01,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50336 to 36046. [2021-10-28 09:08:01,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36046 states, 36045 states have (on average 1.0642807601609099) internal successors, (38362), 36045 states have internal predecessors, (38362), 0 states have call successors, (0), 0 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 09:08:01,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36046 states to 36046 states and 38362 transitions. [2021-10-28 09:08:01,728 INFO L78 Accepts]: Start accepts. Automaton has 36046 states and 38362 transitions. Word has length 447 [2021-10-28 09:08:01,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:01,729 INFO L470 AbstractCegarLoop]: Abstraction has 36046 states and 38362 transitions. [2021-10-28 09:08:01,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 36046 states and 38362 transitions. [2021-10-28 09:08:01,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-10-28 09:08:01,745 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:01,746 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:01,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 09:08:01,746 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:01,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:01,747 INFO L85 PathProgramCache]: Analyzing trace with hash 73650928, now seen corresponding path program 1 times [2021-10-28 09:08:01,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:01,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725786640] [2021-10-28 09:08:01,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:01,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 394 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:08:02,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:02,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725786640] [2021-10-28 09:08:02,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725786640] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:08:02,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747809386] [2021-10-28 09:08:02,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:02,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:02,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:08:02,049 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:08:02,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 09:08:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:02,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:08:02,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:08:03,712 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-10-28 09:08:03,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747809386] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:03,713 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:08:03,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:08:03,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462909619] [2021-10-28 09:08:03,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:03,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:03,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:03,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:08:03,716 INFO L87 Difference]: Start difference. First operand 36046 states and 38362 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:04,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:04,527 INFO L93 Difference]: Finished difference Result 80214 states and 85455 transitions. [2021-10-28 09:08:04,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:04,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 464 [2021-10-28 09:08:04,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:04,529 INFO L225 Difference]: With dead ends: 80214 [2021-10-28 09:08:04,529 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:08:04,548 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:08:04,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:08:04,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:08:04,549 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 09:08:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:08:04,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 464 [2021-10-28 09:08:04,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:04,550 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:08:04,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:08:04,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:08:04,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:08:04,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:08:04,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:04,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:08:04,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:04,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:05,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:09,521 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-10-28 09:08:09,521 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-10-28 09:08:09,523 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,523 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-10-28 09:08:09,523 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,524 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,524 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,524 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,524 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,524 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,524 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,524 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,524 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,524 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,525 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-10-28 09:08:09,525 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-10-28 09:08:09,525 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-10-28 09:08:09,525 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,525 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 09:08:09,525 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 09:08:09,525 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,525 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,525 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,526 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,526 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,526 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,526 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,526 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,526 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,527 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-10-28 09:08:09,527 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-10-28 09:08:09,527 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-10-28 09:08:09,527 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,527 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,527 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,527 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,528 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,528 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,528 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-10-28 09:08:09,528 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-10-28 09:08:09,528 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,528 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-10-28 09:08:09,528 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,528 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-28 09:08:09,528 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-28 09:08:09,529 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,529 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,529 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,529 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,529 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,529 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,529 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,530 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-10-28 09:08:09,530 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,530 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-10-28 09:08:09,530 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-10-28 09:08:09,530 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,531 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,531 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,531 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,531 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 09:08:09,531 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 09:08:09,532 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,532 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,532 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,532 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,532 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,533 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,533 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,533 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,533 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,533 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,533 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-10-28 09:08:09,534 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-10-28 09:08:09,534 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-10-28 09:08:09,534 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,534 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,534 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,535 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,535 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,535 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,535 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-10-28 09:08:09,535 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-10-28 09:08:09,536 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-10-28 09:08:09,536 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,536 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,536 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,536 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,537 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,537 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,537 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-10-28 09:08:09,537 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-10-28 09:08:09,537 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-10-28 09:08:09,538 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,538 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,538 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,538 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-28 09:08:09,538 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,539 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-28 09:08:09,539 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:08:09,539 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,539 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,539 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 09:08:09,540 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 09:08:09,540 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,540 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,540 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,540 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,541 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,541 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,541 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,541 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-10-28 09:08:09,541 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-10-28 09:08:09,542 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-10-28 09:08:09,542 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-10-28 09:08:09,542 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-10-28 09:08:09,542 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,542 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,543 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,543 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,543 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,543 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,543 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,543 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,544 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,544 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,544 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-10-28 09:08:09,544 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-10-28 09:08:09,544 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-10-28 09:08:09,545 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,545 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,545 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,545 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,546 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,546 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,546 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,546 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,546 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,546 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:08:09,547 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1618) no Hoare annotation was computed. [2021-10-28 09:08:09,547 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-10-28 09:08:09,547 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-10-28 09:08:09,547 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-10-28 09:08:09,548 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-28 09:08:09,548 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-10-28 09:08:09,548 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,548 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,548 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,549 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,549 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,549 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,549 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,549 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,550 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-10-28 09:08:09,550 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-10-28 09:08:09,550 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-10-28 09:08:09,550 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,550 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,551 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,551 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-10-28 09:08:09,551 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-10-28 09:08:09,551 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,551 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,552 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,552 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-10-28 09:08:09,552 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,552 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-10-28 09:08:09,552 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,552 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-10-28 09:08:09,553 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,553 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,553 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 09:08:09,553 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 09:08:09,553 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 09:08:09,554 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 09:08:09,554 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-10-28 09:08:09,554 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-10-28 09:08:09,554 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-10-28 09:08:09,554 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,555 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,555 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,556 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse4 (<= ~a12~0 0)) (.cse0 (= ~a26~0 1)) (.cse7 (= ~a12~0 1)) (.cse12 (<= ~a3~0 1)) (.cse9 (= ~a11~0 0)) (.cse11 (<= ~a27~0 0)) (.cse6 (<= ~a6~0 0)) (.cse15 (<= ~a7~0 0)) (.cse1 (= ~a5~0 1)) (.cse14 (<= 2 ~a3~0)) (.cse13 (= ~a12~0 ~a11~0)) (.cse2 (= ~a16~0 1)) (.cse8 (<= ~a26~0 0)) (.cse3 (= ~a11~0 1)) (.cse10 (= ~a6~0 1)) (.cse5 (= ~a27~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2 .cse8 .cse9 .cse10 .cse11) (and .cse1 .cse12 .cse13 .cse2 .cse8 .cse3 .cse10 .cse11) (and .cse0 .cse1 .cse13 .cse2 .cse3 .cse11 .cse6) (and .cse0 .cse1 .cse12 .cse9 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse8 .cse9 .cse4 .cse11 .cse6) (and .cse1 .cse2 .cse8 .cse9 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse10 .cse5) (and .cse1 .cse7 .cse14 .cse2 .cse8 .cse9 .cse10 .cse5) (and .cse0 .cse1 .cse12 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse14 .cse2 .cse8 .cse3 .cse4 .cse11 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse12 .cse9 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse10 .cse11) (and .cse1 .cse2 .cse8 .cse3 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse9 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse10 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse11 .cse6) (and .cse0 .cse1 .cse13 .cse2 .cse3 .cse10 .cse11) (and .cse0 .cse1 .cse12 .cse9 .cse10 .cse4 .cse5) (and .cse1 (or (and .cse0 .cse2 .cse3 .cse10 .cse4 .cse11) (and .cse2 .cse8 .cse3 .cse10 .cse4 .cse11))) (and .cse15 .cse1 .cse7 .cse2 .cse8 .cse9 .cse11 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse5 .cse6) (and (or (and .cse0 .cse2 .cse9 .cse10 .cse4 .cse11) (and .cse2 .cse8 .cse9 .cse10 .cse4 .cse11)) .cse1) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11 .cse6) (and .cse0 .cse1 .cse12 .cse2 .cse9 .cse4 .cse11 .cse6) (and .cse0 .cse1 .cse12 .cse3 .cse10 .cse4 .cse5) (and .cse1 .cse2 .cse8 .cse9 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse14 .cse2 .cse8 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse12 .cse3 .cse5) (and (= ~a15~0 1) .cse0 .cse1 .cse2 .cse9 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse12 .cse9 .cse11 .cse6) (and .cse1 .cse7 .cse12 .cse8 .cse9 .cse11 .cse6) (and .cse15 .cse1 .cse14 .cse13 .cse2 .cse8 .cse3 .cse10 .cse5))) [2021-10-28 09:08:09,556 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,556 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,556 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,557 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-10-28 09:08:09,557 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-10-28 09:08:09,557 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,557 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,557 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,558 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-10-28 09:08:09,558 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,558 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,558 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,558 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,559 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,559 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,559 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-10-28 09:08:09,559 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-10-28 09:08:09,559 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,560 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,560 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,560 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,560 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,560 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,561 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,561 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,561 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,561 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-10-28 09:08:09,562 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-10-28 09:08:09,562 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,562 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,562 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-28 09:08:09,562 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-28 09:08:09,563 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,563 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse4 (<= ~a12~0 0)) (.cse0 (= ~a26~0 1)) (.cse7 (= ~a12~0 1)) (.cse12 (<= ~a3~0 1)) (.cse9 (= ~a11~0 0)) (.cse11 (<= ~a27~0 0)) (.cse6 (<= ~a6~0 0)) (.cse15 (<= ~a7~0 0)) (.cse1 (= ~a5~0 1)) (.cse14 (<= 2 ~a3~0)) (.cse13 (= ~a12~0 ~a11~0)) (.cse2 (= ~a16~0 1)) (.cse8 (<= ~a26~0 0)) (.cse3 (= ~a11~0 1)) (.cse10 (= ~a6~0 1)) (.cse5 (= ~a27~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2 .cse8 .cse9 .cse10 .cse11) (and .cse1 .cse12 .cse13 .cse2 .cse8 .cse3 .cse10 .cse11) (and .cse0 .cse1 .cse13 .cse2 .cse3 .cse11 .cse6) (and .cse0 .cse1 .cse12 .cse9 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse8 .cse9 .cse4 .cse11 .cse6) (and .cse1 .cse2 .cse8 .cse9 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse10 .cse5) (and .cse1 .cse7 .cse14 .cse2 .cse8 .cse9 .cse10 .cse5) (and .cse0 .cse1 .cse12 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse14 .cse2 .cse8 .cse3 .cse4 .cse11 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse12 .cse9 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse10 .cse11) (and .cse1 .cse2 .cse8 .cse3 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse9 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse10 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse11 .cse6) (and .cse0 .cse1 .cse13 .cse2 .cse3 .cse10 .cse11) (and .cse0 .cse1 .cse12 .cse9 .cse10 .cse4 .cse5) (and .cse1 (or (and .cse0 .cse2 .cse3 .cse10 .cse4 .cse11) (and .cse2 .cse8 .cse3 .cse10 .cse4 .cse11))) (and .cse15 .cse1 .cse7 .cse2 .cse8 .cse9 .cse11 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse5 .cse6) (and (or (and .cse0 .cse2 .cse9 .cse10 .cse4 .cse11) (and .cse2 .cse8 .cse9 .cse10 .cse4 .cse11)) .cse1) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11 .cse6) (and .cse0 .cse1 .cse12 .cse2 .cse9 .cse4 .cse11 .cse6) (and .cse0 .cse1 .cse12 .cse3 .cse10 .cse4 .cse5) (and .cse1 .cse2 .cse8 .cse9 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse14 .cse2 .cse8 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse12 .cse3 .cse5) (and (= ~a15~0 1) .cse0 .cse1 .cse2 .cse9 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse12 .cse9 .cse11 .cse6) (and .cse1 .cse7 .cse12 .cse8 .cse9 .cse11 .cse6) (and .cse15 .cse1 .cse14 .cse13 .cse2 .cse8 .cse3 .cse10 .cse5))) [2021-10-28 09:08:09,563 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,564 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,564 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,564 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,564 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-10-28 09:08:09,564 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-10-28 09:08:09,564 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,565 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,565 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,565 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,565 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,565 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,565 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,565 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,565 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:08:09,565 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-10-28 09:08:09,566 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-10-28 09:08:09,566 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-10-28 09:08:09,566 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,566 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-10-28 09:08:09,566 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,566 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,566 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-10-28 09:08:09,566 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,566 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,567 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,567 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,567 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,567 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-10-28 09:08:09,567 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,567 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-10-28 09:08:09,568 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-10-28 09:08:09,568 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-10-28 09:08:09,568 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,568 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,568 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,569 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,569 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,569 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,569 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,569 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,570 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 09:08:09,570 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 09:08:09,570 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,570 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,570 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-10-28 09:08:09,571 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-10-28 09:08:09,571 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-10-28 09:08:09,571 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,571 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,571 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,572 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,572 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,572 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:08:09,572 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,572 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,572 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,572 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,573 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,573 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,573 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-10-28 09:08:09,573 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-10-28 09:08:09,573 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-10-28 09:08:09,573 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,573 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,573 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,573 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,574 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,574 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,574 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,574 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 09:08:09,574 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 09:08:09,574 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,574 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-10-28 09:08:09,574 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-10-28 09:08:09,574 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-10-28 09:08:09,575 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,575 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,575 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,575 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,575 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-10-28 09:08:09,575 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-10-28 09:08:09,575 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-10-28 09:08:09,575 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,575 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,575 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:08:09,579 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:09,580 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:08:09,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:08:09 BoogieIcfgContainer [2021-10-28 09:08:09,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:08:09,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:08:09,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:08:09,636 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:08:09,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:07" (3/4) ... [2021-10-28 09:08:09,640 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:08:09,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 09:08:09,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:08:09,698 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:08:09,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:08:09,974 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:08:09,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:08:09,976 INFO L168 Benchmark]: Toolchain (without parser) took 65889.29 ms. Allocated memory was 92.3 MB in the beginning and 12.0 GB in the end (delta: 11.9 GB). Free memory was 53.6 MB in the beginning and 10.2 GB in the end (delta: -10.1 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. [2021-10-28 09:08:09,977 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 92.3 MB. Free memory was 65.7 MB in the beginning and 65.7 MB in the end (delta: 30.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:08:09,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1082.05 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 53.4 MB in the beginning and 70.1 MB in the end (delta: -16.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:09,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.24 ms. Allocated memory is still 115.3 MB. Free memory was 70.1 MB in the beginning and 55.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:09,978 INFO L168 Benchmark]: Boogie Preprocessor took 188.90 ms. Allocated memory is still 115.3 MB. Free memory was 55.5 MB in the beginning and 74.9 MB in the end (delta: -19.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:09,979 INFO L168 Benchmark]: RCFGBuilder took 2240.72 ms. Allocated memory was 115.3 MB in the beginning and 176.2 MB in the end (delta: 60.8 MB). Free memory was 74.3 MB in the beginning and 93.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:09,979 INFO L168 Benchmark]: TraceAbstraction took 61887.14 ms. Allocated memory was 176.2 MB in the beginning and 12.0 GB in the end (delta: 11.9 GB). Free memory was 92.1 MB in the beginning and 10.2 GB in the end (delta: -10.1 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.1 GB. [2021-10-28 09:08:09,980 INFO L168 Benchmark]: Witness Printer took 339.75 ms. Allocated memory is still 12.0 GB. Free memory was 10.2 GB in the beginning and 10.2 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:09,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 92.3 MB. Free memory was 65.7 MB in the beginning and 65.7 MB in the end (delta: 30.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1082.05 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 53.4 MB in the beginning and 70.1 MB in the end (delta: -16.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 140.24 ms. Allocated memory is still 115.3 MB. Free memory was 70.1 MB in the beginning and 55.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 188.90 ms. Allocated memory is still 115.3 MB. Free memory was 55.5 MB in the beginning and 74.9 MB in the end (delta: -19.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2240.72 ms. Allocated memory was 115.3 MB in the beginning and 176.2 MB in the end (delta: 60.8 MB). Free memory was 74.3 MB in the beginning and 93.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 61887.14 ms. Allocated memory was 176.2 MB in the beginning and 12.0 GB in the end (delta: 11.9 GB). Free memory was 92.1 MB in the beginning and 10.2 GB in the end (delta: -10.1 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.1 GB. * Witness Printer took 339.75 ms. Allocated memory is still 12.0 GB. Free memory was 10.2 GB in the beginning and 10.2 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1618]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 61.7s, OverallIterations: 21, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.0s, AutomataDifference: 28.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4590 SDtfs, 4452 SDslu, 1026 SDs, 0 SdLazy, 13346 SolverSat, 2647 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1999 GetRequests, 1961 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97070occurred in iteration=19, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 12.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 38777 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 417 NumberOfFragments, 1713 HoareAnnotationTreeSize, 3 FomulaSimplifications, 21878 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3342 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 8174 NumberOfCodeBlocks, 8174 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 8147 ConstructedInterpolants, 0 QuantifiedInterpolants, 16596 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3545 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 27 InterpolantComputations, 21 PerfectInterpolantSequences, 4411/4465 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a12 == a11) && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a5 == 1 && 2 <= a3) && a16 == 1) && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a27 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (a5 == 1 && ((((((a26 == 1 && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0) || (((((a16 == 1 && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)))) || (((((((a7 <= 0 && a5 == 1) && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((((a26 == 1 && a16 == 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 <= 0) || (((((a16 == 1 && a26 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 <= 0)) && a5 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a16 == 1) && a26 <= 0) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 1) && a27 == 1)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 1) && a26 <= 0) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a12 == a11) && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a27 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a12 == a11) && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a5 == 1 && 2 <= a3) && a16 == 1) && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a27 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (a5 == 1 && ((((((a26 == 1 && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0) || (((((a16 == 1 && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)))) || (((((((a7 <= 0 && a5 == 1) && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((((a26 == 1 && a16 == 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 <= 0) || (((((a16 == 1 && a26 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 <= 0)) && a5 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a16 == 1) && a26 <= 0) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 1) && a27 == 1)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 1) && a26 <= 0) && a11 == 0) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a12 == a11) && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a27 == 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:08:10,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df48cc78-06a3-438d-8c50-4996f78ee391/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...