./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be --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 8fe6fb83fb08ef54afbd8d78d8c97f9d20e73a7ae4eae7f287d2ff90296f8470 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:51:45,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:51:45,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:51:45,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:51:45,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:51:45,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:51:45,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:51:45,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:51:45,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:51:45,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:51:45,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:51:45,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:51:45,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:51:45,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:51:45,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:51:45,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:51:45,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:51:45,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:51:45,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:51:45,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:51:45,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:51:45,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:51:45,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:51:45,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:51:45,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:51:45,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:51:45,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:51:45,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:51:45,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:51:45,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:51:45,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:51:45,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:51:45,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:51:45,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:51:45,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:51:45,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:51:45,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:51:45,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:51:45,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:51:45,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:51:45,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:51:45,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:51:45,218 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:51:45,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:51:45,219 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:51:45,219 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:51:45,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:51:45,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:51:45,221 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:51:45,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:51:45,222 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:51:45,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:51:45,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:51:45,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:51:45,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:51:45,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:51:45,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:51:45,223 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:51:45,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:51:45,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:51:45,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:51:45,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:51:45,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:51:45,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:51:45,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:51:45,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:51:45,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:51:45,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:51:45,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:51:45,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:51:45,227 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:51:45,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:51:45,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:51:45,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:51:45,228 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_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fe6fb83fb08ef54afbd8d78d8c97f9d20e73a7ae4eae7f287d2ff90296f8470 [2021-10-21 19:51:45,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:51:45,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:51:45,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:51:45,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:51:45,567 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:51:45,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem02_label06.c [2021-10-21 19:51:45,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/data/1599d22b7/b81f60266a62458684153ae5842c9afa/FLAGd3199c8e8 [2021-10-21 19:51:46,340 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:51:46,341 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/sv-benchmarks/c/eca-rers2012/Problem02_label06.c [2021-10-21 19:51:46,356 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/data/1599d22b7/b81f60266a62458684153ae5842c9afa/FLAGd3199c8e8 [2021-10-21 19:51:46,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/data/1599d22b7/b81f60266a62458684153ae5842c9afa [2021-10-21 19:51:46,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:51:46,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:51:46,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:51:46,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:51:46,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:51:46,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:51:46" (1/1) ... [2021-10-21 19:51:46,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302b4a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46, skipping insertion in model container [2021-10-21 19:51:46,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:51:46" (1/1) ... [2021-10-21 19:51:46,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:51:46,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:51:47,022 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_11aabde2-79e6-44e7-8c59-a7647de99e55/sv-benchmarks/c/eca-rers2012/Problem02_label06.c[21333,21346] [2021-10-21 19:51:47,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:51:47,056 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:51:47,219 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_11aabde2-79e6-44e7-8c59-a7647de99e55/sv-benchmarks/c/eca-rers2012/Problem02_label06.c[21333,21346] [2021-10-21 19:51:47,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:51:47,247 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:51:47,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:47 WrapperNode [2021-10-21 19:51:47,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:51:47,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:51:47,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:51:47,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:51:47,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:47" (1/1) ... [2021-10-21 19:51:47,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:47" (1/1) ... [2021-10-21 19:51:47,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:51:47,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:51:47,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:51:47,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:51:47,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:47" (1/1) ... [2021-10-21 19:51:47,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:47" (1/1) ... [2021-10-21 19:51:47,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:47" (1/1) ... [2021-10-21 19:51:47,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:47" (1/1) ... [2021-10-21 19:51:47,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:47" (1/1) ... [2021-10-21 19:51:47,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:47" (1/1) ... [2021-10-21 19:51:47,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:47" (1/1) ... [2021-10-21 19:51:47,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:51:47,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:51:47,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:51:47,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:51:47,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:47" (1/1) ... [2021-10-21 19:51:47,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:51:47,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:51:47,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:51:47,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:51:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:51:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:51:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:51:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:51:48,937 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:51:48,937 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:51:48,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:48 BoogieIcfgContainer [2021-10-21 19:51:48,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:51:48,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:51:48,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:51:48,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:51:48,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:51:46" (1/3) ... [2021-10-21 19:51:48,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a9300d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:51:48, skipping insertion in model container [2021-10-21 19:51:48,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:47" (2/3) ... [2021-10-21 19:51:48,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a9300d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:51:48, skipping insertion in model container [2021-10-21 19:51:48,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:48" (3/3) ... [2021-10-21 19:51:48,952 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label06.c [2021-10-21 19:51:48,958 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:51:48,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:51:49,016 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:51:49,023 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 [2021-10-21 19:51:49,023 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:51:49,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-10-21 19:51:49,066 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:49,067 INFO L512 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] [2021-10-21 19:51:49,067 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:49,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:49,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1439061899, now seen corresponding path program 1 times [2021-10-21 19:51:49,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:49,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666263937] [2021-10-21 19:51:49,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:49,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:49,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:49,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666263937] [2021-10-21 19:51:49,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666263937] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:49,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:49,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:49,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245482904] [2021-10-21 19:51:49,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:49,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:49,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:49,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:49,801 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 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 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:50,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:50,723 INFO L93 Difference]: Finished difference Result 600 states and 1037 transitions. [2021-10-21 19:51:50,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:50,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2021-10-21 19:51:50,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:50,755 INFO L225 Difference]: With dead ends: 600 [2021-10-21 19:51:50,755 INFO L226 Difference]: Without dead ends: 309 [2021-10-21 19:51:50,764 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:50,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-21 19:51:50,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2021-10-21 19:51:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 306 states have (on average 1.3300653594771241) internal successors, (407), 306 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:50,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 407 transitions. [2021-10-21 19:51:50,836 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 407 transitions. Word has length 140 [2021-10-21 19:51:50,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:50,838 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 407 transitions. [2021-10-21 19:51:50,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:50,838 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 407 transitions. [2021-10-21 19:51:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-10-21 19:51:50,846 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:50,846 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:51:50,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:51:50,847 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:50,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:50,848 INFO L82 PathProgramCache]: Analyzing trace with hash 2046676736, now seen corresponding path program 1 times [2021-10-21 19:51:50,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:50,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832535335] [2021-10-21 19:51:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:50,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:51,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:51,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832535335] [2021-10-21 19:51:51,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832535335] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:51,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:51,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:51:51,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59368118] [2021-10-21 19:51:51,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:51:51,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:51,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:51:51,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:51,164 INFO L87 Difference]: Start difference. First operand 307 states and 407 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:52,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:52,403 INFO L93 Difference]: Finished difference Result 1456 states and 1990 transitions. [2021-10-21 19:51:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:51:52,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2021-10-21 19:51:52,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:52,412 INFO L225 Difference]: With dead ends: 1456 [2021-10-21 19:51:52,412 INFO L226 Difference]: Without dead ends: 1151 [2021-10-21 19:51:52,414 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 39.2ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:51:52,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2021-10-21 19:51:52,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1011. [2021-10-21 19:51:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 1010 states have (on average 1.2871287128712872) internal successors, (1300), 1010 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1300 transitions. [2021-10-21 19:51:52,481 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1300 transitions. Word has length 145 [2021-10-21 19:51:52,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:52,481 INFO L470 AbstractCegarLoop]: Abstraction has 1011 states and 1300 transitions. [2021-10-21 19:51:52,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:52,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1300 transitions. [2021-10-21 19:51:52,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-10-21 19:51:52,488 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:52,489 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:51:52,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:51:52,489 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:52,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:52,490 INFO L82 PathProgramCache]: Analyzing trace with hash 128541105, now seen corresponding path program 1 times [2021-10-21 19:51:52,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:52,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822254230] [2021-10-21 19:51:52,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:52,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:52,548 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:52,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:52,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822254230] [2021-10-21 19:51:52,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822254230] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:52,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:52,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:52,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803640406] [2021-10-21 19:51:52,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:52,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:52,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:52,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:52,552 INFO L87 Difference]: Start difference. First operand 1011 states and 1300 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:53,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:53,092 INFO L93 Difference]: Finished difference Result 3013 states and 3878 transitions. [2021-10-21 19:51:53,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:53,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2021-10-21 19:51:53,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:53,105 INFO L225 Difference]: With dead ends: 3013 [2021-10-21 19:51:53,105 INFO L226 Difference]: Without dead ends: 2004 [2021-10-21 19:51:53,107 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:53,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2021-10-21 19:51:53,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1723. [2021-10-21 19:51:53,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1723 states, 1722 states have (on average 1.2369337979094077) internal successors, (2130), 1722 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:53,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 2130 transitions. [2021-10-21 19:51:53,187 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 2130 transitions. Word has length 151 [2021-10-21 19:51:53,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:53,188 INFO L470 AbstractCegarLoop]: Abstraction has 1723 states and 2130 transitions. [2021-10-21 19:51:53,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2130 transitions. [2021-10-21 19:51:53,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-10-21 19:51:53,193 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:53,194 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:51:53,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:51:53,194 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:53,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:53,195 INFO L82 PathProgramCache]: Analyzing trace with hash 706730423, now seen corresponding path program 1 times [2021-10-21 19:51:53,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:53,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59771448] [2021-10-21 19:51:53,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:53,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:53,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:53,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59771448] [2021-10-21 19:51:53,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59771448] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:51:53,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523647127] [2021-10-21 19:51:53,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:53,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:51:53,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:51:53,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:51:53,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:51:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:53,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:51:53,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:51:54,056 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 19:51:54,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523647127] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:54,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:51:54,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 19:51:54,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115309413] [2021-10-21 19:51:54,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:54,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:54,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:54,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:51:54,065 INFO L87 Difference]: Start difference. First operand 1723 states and 2130 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:54,668 INFO L93 Difference]: Finished difference Result 4159 states and 5215 transitions. [2021-10-21 19:51:54,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:54,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 167 [2021-10-21 19:51:54,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:54,688 INFO L225 Difference]: With dead ends: 4159 [2021-10-21 19:51:54,688 INFO L226 Difference]: Without dead ends: 2438 [2021-10-21 19:51:54,691 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 20.2ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:51:54,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2438 states. [2021-10-21 19:51:54,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2438 to 2297. [2021-10-21 19:51:54,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2297 states, 2296 states have (on average 1.2055749128919862) internal successors, (2768), 2296 states have internal predecessors, (2768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 2297 states and 2768 transitions. [2021-10-21 19:51:54,771 INFO L78 Accepts]: Start accepts. Automaton has 2297 states and 2768 transitions. Word has length 167 [2021-10-21 19:51:54,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:54,773 INFO L470 AbstractCegarLoop]: Abstraction has 2297 states and 2768 transitions. [2021-10-21 19:51:54,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2297 states and 2768 transitions. [2021-10-21 19:51:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-10-21 19:51:54,781 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:54,781 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:54,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:51:54,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:51:54,996 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:54,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:54,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1896819412, now seen corresponding path program 1 times [2021-10-21 19:51:54,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:54,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805406087] [2021-10-21 19:51:54,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:54,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:55,112 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 94 proven. 16 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-21 19:51:55,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:55,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805406087] [2021-10-21 19:51:55,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805406087] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:51:55,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466481588] [2021-10-21 19:51:55,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:55,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:51:55,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:51:55,115 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:51:55,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:51:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:55,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:51:55,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:51:55,910 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-21 19:51:55,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466481588] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:55,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:51:55,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-21 19:51:55,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453784721] [2021-10-21 19:51:55,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:55,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:55,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:55,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:55,914 INFO L87 Difference]: Start difference. First operand 2297 states and 2768 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:56,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:56,453 INFO L93 Difference]: Finished difference Result 5152 states and 6189 transitions. [2021-10-21 19:51:56,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:56,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2021-10-21 19:51:56,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:56,467 INFO L225 Difference]: With dead ends: 5152 [2021-10-21 19:51:56,467 INFO L226 Difference]: Without dead ends: 2295 [2021-10-21 19:51:56,471 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.3ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:56,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2295 states. [2021-10-21 19:51:56,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2295 to 2155. [2021-10-21 19:51:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 2154 states have (on average 1.1420612813370474) internal successors, (2460), 2154 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:56,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2460 transitions. [2021-10-21 19:51:56,532 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2460 transitions. Word has length 209 [2021-10-21 19:51:56,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:56,537 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2460 transitions. [2021-10-21 19:51:56,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:56,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2460 transitions. [2021-10-21 19:51:56,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-10-21 19:51:56,545 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:56,546 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-10-21 19:51:56,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:51:56,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:51:56,764 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:56,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:56,765 INFO L82 PathProgramCache]: Analyzing trace with hash 2256839, now seen corresponding path program 1 times [2021-10-21 19:51:56,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:56,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385976318] [2021-10-21 19:51:56,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:56,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:56,826 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-10-21 19:51:56,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:56,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385976318] [2021-10-21 19:51:56,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385976318] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:56,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:56,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:51:56,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173995880] [2021-10-21 19:51:56,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:56,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:56,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:56,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:56,830 INFO L87 Difference]: Start difference. First operand 2155 states and 2460 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:57,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:57,390 INFO L93 Difference]: Finished difference Result 4870 states and 5579 transitions. [2021-10-21 19:51:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:57,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 214 [2021-10-21 19:51:57,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:57,406 INFO L225 Difference]: With dead ends: 4870 [2021-10-21 19:51:57,406 INFO L226 Difference]: Without dead ends: 2576 [2021-10-21 19:51:57,409 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:57,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2021-10-21 19:51:57,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2574. [2021-10-21 19:51:57,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2574 states, 2573 states have (on average 1.1263116984065293) internal successors, (2898), 2573 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:57,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2574 states and 2898 transitions. [2021-10-21 19:51:57,505 INFO L78 Accepts]: Start accepts. Automaton has 2574 states and 2898 transitions. Word has length 214 [2021-10-21 19:51:57,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:57,505 INFO L470 AbstractCegarLoop]: Abstraction has 2574 states and 2898 transitions. [2021-10-21 19:51:57,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 2898 transitions. [2021-10-21 19:51:57,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-10-21 19:51:57,514 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:57,514 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:57,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:51:57,515 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:57,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:57,515 INFO L82 PathProgramCache]: Analyzing trace with hash -523953937, now seen corresponding path program 1 times [2021-10-21 19:51:57,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:57,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641609013] [2021-10-21 19:51:57,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:57,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-10-21 19:51:57,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:57,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641609013] [2021-10-21 19:51:57,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641609013] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:57,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:57,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:51:57,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162685935] [2021-10-21 19:51:57,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:57,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:57,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:57,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:57,588 INFO L87 Difference]: Start difference. First operand 2574 states and 2898 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:58,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:58,117 INFO L93 Difference]: Finished difference Result 6982 states and 7921 transitions. [2021-10-21 19:51:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:58,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 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 232 [2021-10-21 19:51:58,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:58,143 INFO L225 Difference]: With dead ends: 6982 [2021-10-21 19:51:58,143 INFO L226 Difference]: Without dead ends: 4130 [2021-10-21 19:51:58,148 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:58,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4130 states. [2021-10-21 19:51:58,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4130 to 3836. [2021-10-21 19:51:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3836 states, 3835 states have (on average 1.1228161668839636) internal successors, (4306), 3835 states have internal predecessors, (4306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 4306 transitions. [2021-10-21 19:51:58,256 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 4306 transitions. Word has length 232 [2021-10-21 19:51:58,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:58,257 INFO L470 AbstractCegarLoop]: Abstraction has 3836 states and 4306 transitions. [2021-10-21 19:51:58,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 4306 transitions. [2021-10-21 19:51:58,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-10-21 19:51:58,270 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:58,270 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:58,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:51:58,271 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:58,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:58,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1468515393, now seen corresponding path program 1 times [2021-10-21 19:51:58,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:58,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221802003] [2021-10-21 19:51:58,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:58,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-21 19:51:58,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:58,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221802003] [2021-10-21 19:51:58,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221802003] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:58,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:58,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:51:58,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507457707] [2021-10-21 19:51:58,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:58,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:58,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:58,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:58,381 INFO L87 Difference]: Start difference. First operand 3836 states and 4306 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:58,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:58,948 INFO L93 Difference]: Finished difference Result 8934 states and 10151 transitions. [2021-10-21 19:51:58,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:58,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 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 259 [2021-10-21 19:51:58,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:58,977 INFO L225 Difference]: With dead ends: 8934 [2021-10-21 19:51:58,978 INFO L226 Difference]: Without dead ends: 5100 [2021-10-21 19:51:58,983 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:58,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5100 states. [2021-10-21 19:51:59,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5100 to 4958. [2021-10-21 19:51:59,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4958 states, 4957 states have (on average 1.1287068791607828) internal successors, (5595), 4957 states have internal predecessors, (5595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4958 states to 4958 states and 5595 transitions. [2021-10-21 19:51:59,121 INFO L78 Accepts]: Start accepts. Automaton has 4958 states and 5595 transitions. Word has length 259 [2021-10-21 19:51:59,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:59,122 INFO L470 AbstractCegarLoop]: Abstraction has 4958 states and 5595 transitions. [2021-10-21 19:51:59,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:59,126 INFO L276 IsEmpty]: Start isEmpty. Operand 4958 states and 5595 transitions. [2021-10-21 19:51:59,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-10-21 19:51:59,142 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:59,143 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:51:59,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:51:59,143 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:59,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:59,144 INFO L82 PathProgramCache]: Analyzing trace with hash -180979655, now seen corresponding path program 1 times [2021-10-21 19:51:59,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:59,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826029979] [2021-10-21 19:51:59,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:59,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-10-21 19:51:59,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:59,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826029979] [2021-10-21 19:51:59,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826029979] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:59,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:59,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:59,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982567118] [2021-10-21 19:51:59,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:59,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:59,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:59,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:59,238 INFO L87 Difference]: Start difference. First operand 4958 states and 5595 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 2 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:59,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:59,575 INFO L93 Difference]: Finished difference Result 9765 states and 11033 transitions. [2021-10-21 19:51:59,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:59,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 2 states have internal predecessors, (177), 0 states have call successors, (0), 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 265 [2021-10-21 19:51:59,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:59,604 INFO L225 Difference]: With dead ends: 9765 [2021-10-21 19:51:59,604 INFO L226 Difference]: Without dead ends: 4669 [2021-10-21 19:51:59,611 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:59,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4669 states. [2021-10-21 19:51:59,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4669 to 4669. [2021-10-21 19:51:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4669 states, 4668 states have (on average 1.1195372750642674) internal successors, (5226), 4668 states have internal predecessors, (5226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:59,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4669 states to 4669 states and 5226 transitions. [2021-10-21 19:51:59,734 INFO L78 Accepts]: Start accepts. Automaton has 4669 states and 5226 transitions. Word has length 265 [2021-10-21 19:51:59,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:59,735 INFO L470 AbstractCegarLoop]: Abstraction has 4669 states and 5226 transitions. [2021-10-21 19:51:59,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 2 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:59,735 INFO L276 IsEmpty]: Start isEmpty. Operand 4669 states and 5226 transitions. [2021-10-21 19:51:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-10-21 19:51:59,749 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:59,749 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-21 19:51:59,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:51:59,750 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:59,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:59,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1178903200, now seen corresponding path program 1 times [2021-10-21 19:51:59,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:59,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196658379] [2021-10-21 19:51:59,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:59,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-21 19:51:59,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:59,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196658379] [2021-10-21 19:51:59,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196658379] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:59,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:59,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:51:59,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658361173] [2021-10-21 19:51:59,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:59,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:59,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:59,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:59,861 INFO L87 Difference]: Start difference. First operand 4669 states and 5226 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:00,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:00,381 INFO L93 Difference]: Finished difference Result 5515 states and 6120 transitions. [2021-10-21 19:52:00,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:00,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 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 282 [2021-10-21 19:52:00,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:00,393 INFO L225 Difference]: With dead ends: 5515 [2021-10-21 19:52:00,394 INFO L226 Difference]: Without dead ends: 1842 [2021-10-21 19:52:00,399 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:00,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2021-10-21 19:52:00,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1842. [2021-10-21 19:52:00,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1841 states have (on average 1.0472569255839217) internal successors, (1928), 1841 states have internal predecessors, (1928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 1928 transitions. [2021-10-21 19:52:00,453 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 1928 transitions. Word has length 282 [2021-10-21 19:52:00,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:00,454 INFO L470 AbstractCegarLoop]: Abstraction has 1842 states and 1928 transitions. [2021-10-21 19:52:00,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 1928 transitions. [2021-10-21 19:52:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-10-21 19:52:00,463 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:00,464 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:00,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:52:00,465 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:00,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:00,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1285312662, now seen corresponding path program 1 times [2021-10-21 19:52:00,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:00,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185395195] [2021-10-21 19:52:00,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:00,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:00,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:00,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185395195] [2021-10-21 19:52:00,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185395195] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:00,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:00,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:52:00,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130668474] [2021-10-21 19:52:00,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:52:00,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:00,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:52:00,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:52:00,654 INFO L87 Difference]: Start difference. First operand 1842 states and 1928 transitions. Second operand has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:01,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:01,155 INFO L93 Difference]: Finished difference Result 3684 states and 3856 transitions. [2021-10-21 19:52:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:01,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 0 states have call successors, (0), 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 291 [2021-10-21 19:52:01,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:01,183 INFO L225 Difference]: With dead ends: 3684 [2021-10-21 19:52:01,192 INFO L226 Difference]: Without dead ends: 1984 [2021-10-21 19:52:01,194 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:52:01,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1984 states. [2021-10-21 19:52:01,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1984 to 1842. [2021-10-21 19:52:01,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1841 states have (on average 1.0439978272677892) internal successors, (1922), 1841 states have internal predecessors, (1922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 1922 transitions. [2021-10-21 19:52:01,266 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 1922 transitions. Word has length 291 [2021-10-21 19:52:01,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:01,267 INFO L470 AbstractCegarLoop]: Abstraction has 1842 states and 1922 transitions. [2021-10-21 19:52:01,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 1922 transitions. [2021-10-21 19:52:01,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-10-21 19:52:01,277 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:01,277 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 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] [2021-10-21 19:52:01,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:52:01,278 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:01,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:01,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1479463842, now seen corresponding path program 1 times [2021-10-21 19:52:01,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:01,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803376034] [2021-10-21 19:52:01,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:01,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-10-21 19:52:01,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:01,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803376034] [2021-10-21 19:52:01,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803376034] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:01,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:01,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:01,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140699513] [2021-10-21 19:52:01,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:01,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:01,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:01,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:01,408 INFO L87 Difference]: Start difference. First operand 1842 states and 1922 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:01,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:01,802 INFO L93 Difference]: Finished difference Result 2974 states and 3093 transitions. [2021-10-21 19:52:01,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:01,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 324 [2021-10-21 19:52:01,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:01,806 INFO L225 Difference]: With dead ends: 2974 [2021-10-21 19:52:01,806 INFO L226 Difference]: Without dead ends: 1274 [2021-10-21 19:52:01,808 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:01,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2021-10-21 19:52:01,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1134. [2021-10-21 19:52:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 1133 states have (on average 1.030008826125331) internal successors, (1167), 1133 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:01,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1167 transitions. [2021-10-21 19:52:01,831 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1167 transitions. Word has length 324 [2021-10-21 19:52:01,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:01,832 INFO L470 AbstractCegarLoop]: Abstraction has 1134 states and 1167 transitions. [2021-10-21 19:52:01,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:01,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1167 transitions. [2021-10-21 19:52:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-10-21 19:52:01,840 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:01,841 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:01,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:52:01,841 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:01,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:01,842 INFO L82 PathProgramCache]: Analyzing trace with hash 495955641, now seen corresponding path program 1 times [2021-10-21 19:52:01,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:01,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453679150] [2021-10-21 19:52:01,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:01,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-21 19:52:01,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:01,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453679150] [2021-10-21 19:52:01,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453679150] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:01,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:01,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:01,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923535363] [2021-10-21 19:52:01,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:01,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:01,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:01,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:01,996 INFO L87 Difference]: Start difference. First operand 1134 states and 1167 transitions. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:02,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:02,380 INFO L93 Difference]: Finished difference Result 1839 states and 1895 transitions. [2021-10-21 19:52:02,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:02,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 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 343 [2021-10-21 19:52:02,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:02,382 INFO L225 Difference]: With dead ends: 1839 [2021-10-21 19:52:02,382 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:52:02,384 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:02,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:52:02,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:52:02,385 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) [2021-10-21 19:52:02,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:52:02,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2021-10-21 19:52:02,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:02,386 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:52:02,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:02,386 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:52:02,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:52:02,389 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:52:02,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:52:02,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:52:02,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:52:02,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:52:02,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:52:03,034 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,034 INFO L857 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,034 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,035 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-21 19:52:03,035 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-21 19:52:03,035 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-21 19:52:03,035 INFO L857 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-21 19:52:03,035 INFO L857 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-21 19:52:03,035 INFO L857 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-21 19:52:03,036 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-21 19:52:03,036 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-21 19:52:03,037 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,038 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,038 INFO L857 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,038 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-21 19:52:03,038 INFO L857 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-21 19:52:03,038 INFO L857 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-21 19:52:03,038 INFO L857 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-21 19:52:03,039 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-21 19:52:03,039 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,039 INFO L857 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,039 INFO L857 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,039 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-21 19:52:03,040 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-21 19:52:03,040 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-21 19:52:03,042 INFO L857 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-21 19:52:03,043 INFO L857 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-21 19:52:03,043 INFO L857 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-21 19:52:03,043 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-21 19:52:03,043 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-21 19:52:03,043 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-21 19:52:03,044 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-21 19:52:03,044 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,044 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,044 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,044 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-21 19:52:03,045 INFO L857 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-21 19:52:03,045 INFO L857 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-21 19:52:03,045 INFO L857 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-21 19:52:03,045 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-21 19:52:03,045 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-21 19:52:03,046 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-21 19:52:03,046 INFO L857 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,046 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,046 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,046 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-21 19:52:03,047 INFO L857 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-21 19:52:03,047 INFO L857 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-21 19:52:03,047 INFO L857 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-21 19:52:03,047 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-21 19:52:03,047 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-21 19:52:03,048 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-21 19:52:03,048 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,048 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,048 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,048 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-21 19:52:03,049 INFO L857 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-21 19:52:03,049 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-21 19:52:03,049 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-21 19:52:03,049 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-21 19:52:03,049 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,049 INFO L857 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,050 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,051 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-21 19:52:03,052 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-21 19:52:03,052 INFO L857 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-21 19:52:03,052 INFO L857 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-21 19:52:03,052 INFO L857 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-21 19:52:03,052 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-21 19:52:03,053 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-21 19:52:03,053 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-21 19:52:03,053 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,053 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,054 INFO L857 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,055 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-21 19:52:03,055 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:52:03,055 INFO L857 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-21 19:52:03,055 INFO L857 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-21 19:52:03,056 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-21 19:52:03,056 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-21 19:52:03,056 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-21 19:52:03,056 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-21 19:52:03,056 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-21 19:52:03,057 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,057 INFO L857 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,057 INFO L857 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,057 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-21 19:52:03,057 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-21 19:52:03,058 INFO L857 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-21 19:52:03,058 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-21 19:52:03,058 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-21 19:52:03,058 INFO L857 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-21 19:52:03,058 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-21 19:52:03,058 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-21 19:52:03,059 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-21 19:52:03,059 INFO L857 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,059 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,059 INFO L857 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,059 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-21 19:52:03,059 INFO L857 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-21 19:52:03,060 INFO L857 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-21 19:52:03,060 INFO L857 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-21 19:52:03,060 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-21 19:52:03,060 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-21 19:52:03,060 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:52:03,061 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2021-10-21 19:52:03,061 INFO L857 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,061 INFO L857 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,061 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,061 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-21 19:52:03,061 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-21 19:52:03,062 INFO L857 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-21 19:52:03,062 INFO L857 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-21 19:52:03,062 INFO L857 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-21 19:52:03,062 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-21 19:52:03,062 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-21 19:52:03,063 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-21 19:52:03,063 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,063 INFO L857 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,063 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,063 INFO L857 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-21 19:52:03,063 INFO L857 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-21 19:52:03,064 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-21 19:52:03,064 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-21 19:52:03,064 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-21 19:52:03,064 INFO L857 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,064 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,064 INFO L857 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,065 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-21 19:52:03,065 INFO L857 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-21 19:52:03,065 INFO L857 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-21 19:52:03,065 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-21 19:52:03,066 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-21 19:52:03,066 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-21 19:52:03,066 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-21 19:52:03,066 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-21 19:52:03,069 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-21 19:52:03,069 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-21 19:52:03,070 INFO L857 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-21 19:52:03,070 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,070 INFO L857 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,070 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-21 19:52:03,070 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-21 19:52:03,071 INFO L857 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-21 19:52:03,071 INFO L857 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-21 19:52:03,071 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-21 19:52:03,071 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-21 19:52:03,071 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-21 19:52:03,071 INFO L857 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-21 19:52:03,072 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-21 19:52:03,073 INFO L853 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (not (= 7 ~a17~0))) (.cse1 (= ~a11~0 1)) (.cse4 (<= 9 ~a28~0)) (.cse10 (<= ~a28~0 8)) (.cse9 (= ~a11~0 0)) (.cse11 (<= ~a19~0 0)) (.cse8 (<= ~a17~0 7)) (.cse7 (= ~a25~0 1)) (.cse5 (= ~a21~0 1)) (.cse2 (<= ~a17~0 8)) (.cse6 (= ~a19~0 1)) (.cse3 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse5 .cse2 .cse6) (and .cse7 .cse8) (and .cse8 .cse5 .cse9 .cse6) (and (<= 11 ~a28~0) .cse8) (and .cse4 .cse5 .cse9 .cse2 .cse6) (and .cse7 .cse10 .cse9 .cse2 .cse6) (and .cse5 .cse9 .cse2 .cse6 .cse3) (and .cse8 .cse11) (and .cse10 .cse9 .cse2 .cse11) (and .cse7 .cse5 .cse9 .cse6 .cse3) (and .cse7 .cse9 .cse2 (<= ~a28~0 10) .cse11) (and .cse8 .cse5 .cse6 .cse3) (and .cse7 .cse5 .cse2 .cse6 .cse3))) [2021-10-21 19:52:03,073 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,073 INFO L857 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,073 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-21 19:52:03,074 INFO L857 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-21 19:52:03,074 INFO L857 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-21 19:52:03,074 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-21 19:52:03,074 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-21 19:52:03,074 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-21 19:52:03,075 INFO L860 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-21 19:52:03,075 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,075 INFO L857 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,075 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-21 19:52:03,075 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-21 19:52:03,076 INFO L857 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-21 19:52:03,076 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-21 19:52:03,076 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-21 19:52:03,076 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-21 19:52:03,076 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-21 19:52:03,076 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-21 19:52:03,077 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-21 19:52:03,077 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,077 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,077 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-21 19:52:03,077 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-21 19:52:03,077 INFO L857 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-21 19:52:03,078 INFO L857 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-21 19:52:03,078 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:52:03,078 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-21 19:52:03,078 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-21 19:52:03,080 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (not (= 7 ~a17~0))) (.cse1 (= ~a11~0 1)) (.cse4 (<= 9 ~a28~0)) (.cse10 (<= ~a28~0 8)) (.cse9 (= ~a11~0 0)) (.cse11 (<= ~a19~0 0)) (.cse8 (<= ~a17~0 7)) (.cse7 (= ~a25~0 1)) (.cse5 (= ~a21~0 1)) (.cse2 (<= ~a17~0 8)) (.cse6 (= ~a19~0 1)) (.cse3 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse5 .cse2 .cse6) (and .cse7 .cse8) (and .cse8 .cse5 .cse9 .cse6) (and (<= 11 ~a28~0) .cse8) (and .cse4 .cse5 .cse9 .cse2 .cse6) (and .cse7 .cse10 .cse9 .cse2 .cse6) (and .cse5 .cse9 .cse2 .cse6 .cse3) (and .cse8 .cse11) (and .cse10 .cse9 .cse2 .cse11) (and .cse7 .cse5 .cse9 .cse6 .cse3) (and .cse7 .cse9 .cse2 (<= ~a28~0 10) .cse11) (and .cse8 .cse5 .cse6 .cse3) (and .cse7 .cse5 .cse2 .cse6 .cse3))) [2021-10-21 19:52:03,080 INFO L857 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,080 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,081 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-21 19:52:03,081 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-21 19:52:03,081 INFO L857 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-21 19:52:03,081 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-21 19:52:03,081 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-21 19:52:03,081 INFO L857 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,082 INFO L857 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,082 INFO L857 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-21 19:52:03,082 INFO L857 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-21 19:52:03,082 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-21 19:52:03,082 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-21 19:52:03,083 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-21 19:52:03,083 INFO L857 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-21 19:52:03,083 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-21 19:52:03,083 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-21 19:52:03,083 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-21 19:52:03,084 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,084 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,084 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-21 19:52:03,084 INFO L857 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,084 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:52:03,085 INFO L857 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-21 19:52:03,085 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-21 19:52:03,085 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-21 19:52:03,085 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-21 19:52:03,085 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-21 19:52:03,086 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-21 19:52:03,086 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,086 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,086 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,086 INFO L857 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-21 19:52:03,086 INFO L857 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-21 19:52:03,087 INFO L857 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-21 19:52:03,087 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-21 19:52:03,087 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-21 19:52:03,087 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,087 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,087 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:52:03,088 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-21 19:52:03,088 INFO L857 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-21 19:52:03,088 INFO L857 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-21 19:52:03,088 INFO L857 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-21 19:52:03,088 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-21 19:52:03,088 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-21 19:52:03,094 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:52:03,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:52:03 BoogieIcfgContainer [2021-10-21 19:52:03,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:52:03,142 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:52:03,142 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:52:03,143 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:52:03,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:48" (3/4) ... [2021-10-21 19:52:03,147 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:52:03,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:52:03,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:52:03,196 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:52:03,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:52:03,380 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:52:03,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:52:03,384 INFO L168 Benchmark]: Toolchain (without parser) took 16789.06 ms. Allocated memory was 123.7 MB in the beginning and 239.1 MB in the end (delta: 115.3 MB). Free memory was 84.7 MB in the beginning and 94.8 MB in the end (delta: -10.1 MB). Peak memory consumption was 104.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:03,384 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 123.7 MB. Free memory is still 103.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:52:03,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.15 ms. Allocated memory is still 123.7 MB. Free memory was 84.4 MB in the beginning and 82.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:03,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.56 ms. Allocated memory is still 123.7 MB. Free memory was 82.4 MB in the beginning and 77.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:03,386 INFO L168 Benchmark]: Boogie Preprocessor took 103.84 ms. Allocated memory is still 123.7 MB. Free memory was 77.3 MB in the beginning and 73.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:03,387 INFO L168 Benchmark]: RCFGBuilder took 1476.18 ms. Allocated memory is still 123.7 MB. Free memory was 73.1 MB in the beginning and 68.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:03,387 INFO L168 Benchmark]: TraceAbstraction took 14198.87 ms. Allocated memory was 123.7 MB in the beginning and 239.1 MB in the end (delta: 115.3 MB). Free memory was 68.2 MB in the beginning and 109.5 MB in the end (delta: -41.3 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:03,388 INFO L168 Benchmark]: Witness Printer took 239.66 ms. Allocated memory is still 239.1 MB. Free memory was 109.5 MB in the beginning and 94.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:03,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 123.7 MB. Free memory is still 103.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 655.15 ms. Allocated memory is still 123.7 MB. Free memory was 84.4 MB in the beginning and 82.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.56 ms. Allocated memory is still 123.7 MB. Free memory was 82.4 MB in the beginning and 77.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.84 ms. Allocated memory is still 123.7 MB. Free memory was 77.3 MB in the beginning and 73.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1476.18 ms. Allocated memory is still 123.7 MB. Free memory was 73.1 MB in the beginning and 68.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14198.87 ms. Allocated memory was 123.7 MB in the beginning and 239.1 MB in the end (delta: 115.3 MB). Free memory was 68.2 MB in the beginning and 109.5 MB in the end (delta: -41.3 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. * Witness Printer took 239.66 ms. Allocated memory is still 239.1 MB. Free memory was 109.5 MB in the beginning and 94.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 602]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14079.5ms, OverallIterations: 13, TraceHistogramMax: 6, EmptinessCheckTime: 133.6ms, AutomataDifference: 7980.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 643.0ms, InitialAbstractionConstructionTime: 17.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1853 SDtfs, 2198 SDslu, 231 SDs, 0 SdLazy, 4984 SolverSat, 1031 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5349.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 416 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 105.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4958occurred in iteration=8, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 956.1ms AutomataMinimizationTime, 13 MinimizatonAttempts, 1424 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 51 NumberOfFragments, 383 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1028 FormulaSimplificationTreeSizeReduction, 129.0ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 503.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 239.1ms SsaConstructionTime, 560.1ms SatisfiabilityAnalysisTime, 2571.1ms InterpolantComputationTime, 3398 NumberOfCodeBlocks, 3398 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3383 ConstructedInterpolants, 0 QuantifiedInterpolants, 9019 SizeOfPredicates, 0 NumberOfNonLiveVariables, 716 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 2405/2437 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: 616]: Loop Invariant Derived loop invariant: (((((((((((((((!(7 == a17) && a11 == 1) && a17 <= 8) && a28 <= 7) || (((((9 <= a28 && !(7 == a17)) && a11 == 1) && a21 == 1) && a17 <= 8) && a19 == 1)) || (a25 == 1 && a17 <= 7)) || (((a17 <= 7 && a21 == 1) && a11 == 0) && a19 == 1)) || (11 <= a28 && a17 <= 7)) || ((((9 <= a28 && a21 == 1) && a11 == 0) && a17 <= 8) && a19 == 1)) || ((((a25 == 1 && a28 <= 8) && a11 == 0) && a17 <= 8) && a19 == 1)) || ((((a21 == 1 && a11 == 0) && a17 <= 8) && a19 == 1) && a28 <= 7)) || (a17 <= 7 && a19 <= 0)) || (((a28 <= 8 && a11 == 0) && a17 <= 8) && a19 <= 0)) || ((((a25 == 1 && a21 == 1) && a11 == 0) && a19 == 1) && a28 <= 7)) || ((((a25 == 1 && a11 == 0) && a17 <= 8) && a28 <= 10) && a19 <= 0)) || (((a17 <= 7 && a21 == 1) && a19 == 1) && a28 <= 7)) || ((((a25 == 1 && a21 == 1) && a17 <= 8) && a19 == 1) && a28 <= 7) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((((((!(7 == a17) && a11 == 1) && a17 <= 8) && a28 <= 7) || (((((9 <= a28 && !(7 == a17)) && a11 == 1) && a21 == 1) && a17 <= 8) && a19 == 1)) || (a25 == 1 && a17 <= 7)) || (((a17 <= 7 && a21 == 1) && a11 == 0) && a19 == 1)) || (11 <= a28 && a17 <= 7)) || ((((9 <= a28 && a21 == 1) && a11 == 0) && a17 <= 8) && a19 == 1)) || ((((a25 == 1 && a28 <= 8) && a11 == 0) && a17 <= 8) && a19 == 1)) || ((((a21 == 1 && a11 == 0) && a17 <= 8) && a19 == 1) && a28 <= 7)) || (a17 <= 7 && a19 <= 0)) || (((a28 <= 8 && a11 == 0) && a17 <= 8) && a19 <= 0)) || ((((a25 == 1 && a21 == 1) && a11 == 0) && a19 == 1) && a28 <= 7)) || ((((a25 == 1 && a11 == 0) && a17 <= 8) && a28 <= 10) && a19 <= 0)) || (((a17 <= 7 && a21 == 1) && a19 == 1) && a28 <= 7)) || ((((a25 == 1 && a21 == 1) && a17 <= 8) && a19 == 1) && a28 <= 7) RESULT: Ultimate proved your program to be correct! [2021-10-21 19:52:03,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11aabde2-79e6-44e7-8c59-a7647de99e55/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...