./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label08.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 83003e08d0b0727d8396cfdc2be95d1bd0956c017aa98740983eff57678f4a43 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:37:52,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:37:52,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:37:52,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:37:52,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:37:52,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:37:52,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:37:52,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:37:52,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:37:52,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:37:52,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:37:52,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:37:52,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:37:52,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:37:52,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:37:52,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:37:52,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:37:52,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:37:52,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:37:52,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:37:52,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:37:52,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:37:52,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:37:52,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:37:52,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:37:52,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:37:52,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:37:52,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:37:52,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:37:52,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:37:52,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:37:52,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:37:52,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:37:52,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:37:52,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:37:52,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:37:52,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:37:52,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:37:52,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:37:52,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:37:52,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:37:52,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:37:52,261 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:37:52,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:37:52,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:37:52,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:37:52,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:37:52,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:37:52,264 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:37:52,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:37:52,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:37:52,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:37:52,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:37:52,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:37:52,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:37:52,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:37:52,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:37:52,266 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:37:52,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:37:52,267 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:37:52,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:37:52,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:37:52,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:37:52,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:37:52,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:37:52,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:37:52,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:37:52,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:37:52,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:37:52,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:37:52,269 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:37:52,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:37:52,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:37:52,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:37:52,270 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_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83003e08d0b0727d8396cfdc2be95d1bd0956c017aa98740983eff57678f4a43 [2021-10-28 08:37:52,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:37:52,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:37:52,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:37:52,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:37:52,582 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:37:52,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem02_label08.c [2021-10-28 08:37:52,662 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/data/0f6d2f388/45280a28c70c4269b5132bf2b2a24e80/FLAG6ba8c1a39 [2021-10-28 08:37:53,326 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:37:53,328 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/sv-benchmarks/c/eca-rers2012/Problem02_label08.c [2021-10-28 08:37:53,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/data/0f6d2f388/45280a28c70c4269b5132bf2b2a24e80/FLAG6ba8c1a39 [2021-10-28 08:37:53,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/data/0f6d2f388/45280a28c70c4269b5132bf2b2a24e80 [2021-10-28 08:37:53,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:37:53,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:37:53,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:37:53,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:37:53,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:37:53,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:37:53" (1/1) ... [2021-10-28 08:37:53,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@392f9b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:53, skipping insertion in model container [2021-10-28 08:37:53,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:37:53" (1/1) ... [2021-10-28 08:37:53,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:37:53,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:37:54,036 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_b7c602d6-772e-4458-89a1-20e7451c31c4/sv-benchmarks/c/eca-rers2012/Problem02_label08.c[19283,19296] [2021-10-28 08:37:54,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:37:54,103 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:37:54,181 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_b7c602d6-772e-4458-89a1-20e7451c31c4/sv-benchmarks/c/eca-rers2012/Problem02_label08.c[19283,19296] [2021-10-28 08:37:54,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:37:54,206 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:37:54,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:54 WrapperNode [2021-10-28 08:37:54,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:37:54,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:37:54,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:37:54,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:37:54,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:54" (1/1) ... [2021-10-28 08:37:54,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:54" (1/1) ... [2021-10-28 08:37:54,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:37:54,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:37:54,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:37:54,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:37:54,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:54" (1/1) ... [2021-10-28 08:37:54,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:54" (1/1) ... [2021-10-28 08:37:54,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:54" (1/1) ... [2021-10-28 08:37:54,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:54" (1/1) ... [2021-10-28 08:37:54,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:54" (1/1) ... [2021-10-28 08:37:54,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:54" (1/1) ... [2021-10-28 08:37:54,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:54" (1/1) ... [2021-10-28 08:37:54,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:37:54,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:37:54,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:37:54,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:37:54,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:54" (1/1) ... [2021-10-28 08:37:54,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:37:54,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:37:54,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:37:54,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:37:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:37:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:37:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:37:54,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:37:55,856 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:37:55,857 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 08:37:55,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:37:55 BoogieIcfgContainer [2021-10-28 08:37:55,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:37:55,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:37:55,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:37:55,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:37:55,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:37:53" (1/3) ... [2021-10-28 08:37:55,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bdd9c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:37:55, skipping insertion in model container [2021-10-28 08:37:55,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:37:54" (2/3) ... [2021-10-28 08:37:55,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bdd9c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:37:55, skipping insertion in model container [2021-10-28 08:37:55,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:37:55" (3/3) ... [2021-10-28 08:37:55,891 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label08.c [2021-10-28 08:37:55,904 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:37:55,905 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:37:55,964 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:37:55,971 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:37:55,971 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:37:55,995 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) [2021-10-28 08:37:56,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-28 08:37:56,009 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:37:56,010 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:37:56,011 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:37:56,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:37:56,017 INFO L85 PathProgramCache]: Analyzing trace with hash -266760851, now seen corresponding path program 1 times [2021-10-28 08:37:56,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:37:56,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181074104] [2021-10-28 08:37:56,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:37:56,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:37:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:37:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:37:56,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:37:56,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181074104] [2021-10-28 08:37:56,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181074104] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:37:56,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:37:56,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:37:56,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566474028] [2021-10-28 08:37:56,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:37:56,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:37:56,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:37:56,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:37:56,566 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 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:37:57,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:37:57,401 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions. [2021-10-28 08:37:57,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:37:57,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-10-28 08:37:57,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:37:57,418 INFO L225 Difference]: With dead ends: 596 [2021-10-28 08:37:57,419 INFO L226 Difference]: Without dead ends: 305 [2021-10-28 08:37:57,426 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:37:57,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-28 08:37:57,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2021-10-28 08:37:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 304 states have (on average 1.5263157894736843) internal successors, (464), 304 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:37:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2021-10-28 08:37:57,503 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 122 [2021-10-28 08:37:57,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:37:57,505 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2021-10-28 08:37:57,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:37:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2021-10-28 08:37:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-28 08:37:57,510 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:37:57,510 INFO L513 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] [2021-10-28 08:37:57,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:37:57,511 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:37:57,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:37:57,512 INFO L85 PathProgramCache]: Analyzing trace with hash -953262679, now seen corresponding path program 1 times [2021-10-28 08:37:57,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:37:57,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036768448] [2021-10-28 08:37:57,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:37:57,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:37:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:37:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:37:57,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:37:57,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036768448] [2021-10-28 08:37:57,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036768448] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:37:57,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:37:57,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:37:57,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730495277] [2021-10-28 08:37:57,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:37:57,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:37:57,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:37:57,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:37:57,650 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:37:58,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:37:58,117 INFO L93 Difference]: Finished difference Result 900 states and 1374 transitions. [2021-10-28 08:37:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:37:58,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-10-28 08:37:58,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:37:58,122 INFO L225 Difference]: With dead ends: 900 [2021-10-28 08:37:58,122 INFO L226 Difference]: Without dead ends: 597 [2021-10-28 08:37:58,124 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:37:58,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2021-10-28 08:37:58,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 456. [2021-10-28 08:37:58,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 455 states have (on average 1.4901098901098901) internal successors, (678), 455 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:37:58,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 678 transitions. [2021-10-28 08:37:58,191 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 678 transitions. Word has length 133 [2021-10-28 08:37:58,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:37:58,192 INFO L470 AbstractCegarLoop]: Abstraction has 456 states and 678 transitions. [2021-10-28 08:37:58,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:37:58,192 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 678 transitions. [2021-10-28 08:37:58,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-10-28 08:37:58,198 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:37:58,198 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:37:58,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:37:58,199 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:37:58,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:37:58,199 INFO L85 PathProgramCache]: Analyzing trace with hash 796838958, now seen corresponding path program 1 times [2021-10-28 08:37:58,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:37:58,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769437050] [2021-10-28 08:37:58,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:37:58,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:37:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:37:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:37:58,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:37:58,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769437050] [2021-10-28 08:37:58,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769437050] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:37:58,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:37:58,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:37:58,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935418207] [2021-10-28 08:37:58,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:37:58,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:37:58,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:37:58,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:37:58,267 INFO L87 Difference]: Start difference. First operand 456 states and 678 transitions. 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) [2021-10-28 08:37:58,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:37:58,719 INFO L93 Difference]: Finished difference Result 1352 states and 2016 transitions. [2021-10-28 08:37:58,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:37:58,720 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 [2021-10-28 08:37:58,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:37:58,726 INFO L225 Difference]: With dead ends: 1352 [2021-10-28 08:37:58,726 INFO L226 Difference]: Without dead ends: 898 [2021-10-28 08:37:58,727 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:37:58,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2021-10-28 08:37:58,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 889. [2021-10-28 08:37:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 888 states have (on average 1.4391891891891893) internal successors, (1278), 888 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:37:58,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1278 transitions. [2021-10-28 08:37:58,763 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1278 transitions. Word has length 140 [2021-10-28 08:37:58,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:37:58,764 INFO L470 AbstractCegarLoop]: Abstraction has 889 states and 1278 transitions. [2021-10-28 08:37:58,764 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) [2021-10-28 08:37:58,765 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1278 transitions. [2021-10-28 08:37:58,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-28 08:37:58,768 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:37:58,768 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:37:58,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:37:58,769 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:37:58,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:37:58,770 INFO L85 PathProgramCache]: Analyzing trace with hash -2093077735, now seen corresponding path program 1 times [2021-10-28 08:37:58,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:37:58,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356087945] [2021-10-28 08:37:58,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:37:58,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:37:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:37:58,869 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:37:58,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:37:58,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356087945] [2021-10-28 08:37:58,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356087945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:37:58,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:37:58,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:37:58,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826228828] [2021-10-28 08:37:58,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:37:58,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:37:58,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:37:58,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:37:58,879 INFO L87 Difference]: Start difference. First operand 889 states and 1278 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:37:59,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:37:59,426 INFO L93 Difference]: Finished difference Result 2619 states and 3774 transitions. [2021-10-28 08:37:59,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:37:59,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2021-10-28 08:37:59,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:37:59,438 INFO L225 Difference]: With dead ends: 2619 [2021-10-28 08:37:59,438 INFO L226 Difference]: Without dead ends: 1732 [2021-10-28 08:37:59,440 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:37:59,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2021-10-28 08:37:59,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1452. [2021-10-28 08:37:59,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1451 states have (on average 1.377670572019297) internal successors, (1999), 1451 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:37:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1999 transitions. [2021-10-28 08:37:59,487 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1999 transitions. Word has length 144 [2021-10-28 08:37:59,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:37:59,487 INFO L470 AbstractCegarLoop]: Abstraction has 1452 states and 1999 transitions. [2021-10-28 08:37:59,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:37:59,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1999 transitions. [2021-10-28 08:37:59,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-28 08:37:59,492 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:37:59,492 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:37:59,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:37:59,493 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:37:59,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:37:59,494 INFO L85 PathProgramCache]: Analyzing trace with hash 594620078, now seen corresponding path program 1 times [2021-10-28 08:37:59,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:37:59,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595064523] [2021-10-28 08:37:59,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:37:59,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:37:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:37:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-28 08:37:59,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:37:59,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595064523] [2021-10-28 08:37:59,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595064523] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:37:59,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:37:59,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:37:59,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047225006] [2021-10-28 08:37:59,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:37:59,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:37:59,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:37:59,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:37:59,544 INFO L87 Difference]: Start difference. First operand 1452 states and 1999 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:37:59,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:37:59,962 INFO L93 Difference]: Finished difference Result 2761 states and 3780 transitions. [2021-10-28 08:37:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:37:59,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2021-10-28 08:37:59,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:37:59,973 INFO L225 Difference]: With dead ends: 2761 [2021-10-28 08:37:59,973 INFO L226 Difference]: Without dead ends: 1311 [2021-10-28 08:37:59,975 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:37:59,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2021-10-28 08:38:00,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1303. [2021-10-28 08:38:00,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1302 states have (on average 1.2972350230414746) internal successors, (1689), 1302 states have internal predecessors, (1689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1689 transitions. [2021-10-28 08:38:00,012 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1689 transitions. Word has length 149 [2021-10-28 08:38:00,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:38:00,012 INFO L470 AbstractCegarLoop]: Abstraction has 1303 states and 1689 transitions. [2021-10-28 08:38:00,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1689 transitions. [2021-10-28 08:38:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-28 08:38:00,017 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:38:00,017 INFO L513 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] [2021-10-28 08:38:00,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:38:00,018 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:38:00,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:00,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1721690927, now seen corresponding path program 1 times [2021-10-28 08:38:00,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:00,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939775534] [2021-10-28 08:38:00,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:00,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:38:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:38:00,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:38:00,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939775534] [2021-10-28 08:38:00,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939775534] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:38:00,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527006104] [2021-10-28 08:38:00,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:00,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:38:00,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:00,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:38:00,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:38:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:38:00,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:38:00,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:38:00,912 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 08:38:00,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527006104] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:38:00,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:38:00,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 08:38:00,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676173045] [2021-10-28 08:38:00,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:38:00,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:38:00,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:38:00,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:38:00,930 INFO L87 Difference]: Start difference. First operand 1303 states and 1689 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:01,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:38:01,470 INFO L93 Difference]: Finished difference Result 3308 states and 4336 transitions. [2021-10-28 08:38:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:38:01,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 149 [2021-10-28 08:38:01,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:38:01,486 INFO L225 Difference]: With dead ends: 3308 [2021-10-28 08:38:01,486 INFO L226 Difference]: Without dead ends: 2007 [2021-10-28 08:38:01,488 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:38:01,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2021-10-28 08:38:01,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 1863. [2021-10-28 08:38:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1863 states, 1862 states have (on average 1.301825993555317) internal successors, (2424), 1862 states have internal predecessors, (2424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2424 transitions. [2021-10-28 08:38:01,542 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2424 transitions. Word has length 149 [2021-10-28 08:38:01,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:38:01,543 INFO L470 AbstractCegarLoop]: Abstraction has 1863 states and 2424 transitions. [2021-10-28 08:38:01,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:01,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2424 transitions. [2021-10-28 08:38:01,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-10-28 08:38:01,549 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:38:01,549 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:38:01,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:01,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:38:01,765 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:38:01,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:01,766 INFO L85 PathProgramCache]: Analyzing trace with hash -539158663, now seen corresponding path program 1 times [2021-10-28 08:38:01,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:01,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862963196] [2021-10-28 08:38:01,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:01,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:38:01,843 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-28 08:38:01,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:38:01,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862963196] [2021-10-28 08:38:01,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862963196] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:38:01,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:38:01,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:38:01,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583101601] [2021-10-28 08:38:01,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:38:01,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:38:01,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:38:01,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:38:01,847 INFO L87 Difference]: Start difference. First operand 1863 states and 2424 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:02,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:38:02,375 INFO L93 Difference]: Finished difference Result 4844 states and 6271 transitions. [2021-10-28 08:38:02,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:38:02,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2021-10-28 08:38:02,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:38:02,393 INFO L225 Difference]: With dead ends: 4844 [2021-10-28 08:38:02,393 INFO L226 Difference]: Without dead ends: 2983 [2021-10-28 08:38:02,396 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:38:02,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2021-10-28 08:38:02,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2983. [2021-10-28 08:38:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 2982 states have (on average 1.2132796780684105) internal successors, (3618), 2982 states have internal predecessors, (3618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:02,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 3618 transitions. [2021-10-28 08:38:02,481 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 3618 transitions. Word has length 205 [2021-10-28 08:38:02,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:38:02,482 INFO L470 AbstractCegarLoop]: Abstraction has 2983 states and 3618 transitions. [2021-10-28 08:38:02,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:02,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 3618 transitions. [2021-10-28 08:38:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-10-28 08:38:02,513 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:38:02,513 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:38:02,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 08:38:02,513 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:38:02,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:02,514 INFO L85 PathProgramCache]: Analyzing trace with hash -278689933, now seen corresponding path program 1 times [2021-10-28 08:38:02,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:02,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18913180] [2021-10-28 08:38:02,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:02,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:38:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-28 08:38:02,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:38:02,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18913180] [2021-10-28 08:38:02,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18913180] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:38:02,579 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:38:02,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:38:02,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000763699] [2021-10-28 08:38:02,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:38:02,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:38:02,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:38:02,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:38:02,582 INFO L87 Difference]: Start difference. First operand 2983 states and 3618 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:03,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:38:03,150 INFO L93 Difference]: Finished difference Result 5530 states and 6682 transitions. [2021-10-28 08:38:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:38:03,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 211 [2021-10-28 08:38:03,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:38:03,165 INFO L225 Difference]: With dead ends: 5530 [2021-10-28 08:38:03,165 INFO L226 Difference]: Without dead ends: 2549 [2021-10-28 08:38:03,169 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:38:03,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2021-10-28 08:38:03,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 1849. [2021-10-28 08:38:03,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1849 states, 1848 states have (on average 1.149891774891775) internal successors, (2125), 1848 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:03,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1849 states and 2125 transitions. [2021-10-28 08:38:03,224 INFO L78 Accepts]: Start accepts. Automaton has 1849 states and 2125 transitions. Word has length 211 [2021-10-28 08:38:03,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:38:03,224 INFO L470 AbstractCegarLoop]: Abstraction has 1849 states and 2125 transitions. [2021-10-28 08:38:03,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2125 transitions. [2021-10-28 08:38:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-10-28 08:38:03,230 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:38:03,230 INFO L513 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 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] [2021-10-28 08:38:03,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 08:38:03,231 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:38:03,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:03,231 INFO L85 PathProgramCache]: Analyzing trace with hash -851116301, now seen corresponding path program 1 times [2021-10-28 08:38:03,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:03,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796721841] [2021-10-28 08:38:03,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:03,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:38:03,320 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:38:03,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:38:03,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796721841] [2021-10-28 08:38:03,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796721841] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:38:03,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123954713] [2021-10-28 08:38:03,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:03,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:38:03,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:03,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:38:03,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 08:38:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:38:03,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:38:03,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:38:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 08:38:04,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123954713] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:38:04,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:38:04,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 08:38:04,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364957038] [2021-10-28 08:38:04,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:38:04,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:38:04,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:38:04,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:38:04,136 INFO L87 Difference]: Start difference. First operand 1849 states and 2125 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:04,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:38:04,628 INFO L93 Difference]: Finished difference Result 3833 states and 4385 transitions. [2021-10-28 08:38:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:38:04,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 222 [2021-10-28 08:38:04,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:38:04,638 INFO L225 Difference]: With dead ends: 3833 [2021-10-28 08:38:04,638 INFO L226 Difference]: Without dead ends: 1706 [2021-10-28 08:38:04,641 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:38:04,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2021-10-28 08:38:04,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706. [2021-10-28 08:38:04,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1705 states have (on average 1.098533724340176) internal successors, (1873), 1705 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:04,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 1873 transitions. [2021-10-28 08:38:04,684 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 1873 transitions. Word has length 222 [2021-10-28 08:38:04,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:38:04,684 INFO L470 AbstractCegarLoop]: Abstraction has 1706 states and 1873 transitions. [2021-10-28 08:38:04,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:04,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 1873 transitions. [2021-10-28 08:38:04,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-10-28 08:38:04,690 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:38:04,691 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:38:04,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:04,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:38:04,904 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:38:04,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:04,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1830719886, now seen corresponding path program 1 times [2021-10-28 08:38:04,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:04,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362749094] [2021-10-28 08:38:04,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:04,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:38:04,984 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-10-28 08:38:04,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:38:04,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362749094] [2021-10-28 08:38:04,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362749094] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:38:04,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:38:04,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:38:04,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001528663] [2021-10-28 08:38:04,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:38:04,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:38:04,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:38:04,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:38:04,989 INFO L87 Difference]: Start difference. First operand 1706 states and 1873 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:05,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:38:05,223 INFO L93 Difference]: Finished difference Result 2976 states and 3271 transitions. [2021-10-28 08:38:05,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:38:05,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 224 [2021-10-28 08:38:05,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:38:05,224 INFO L225 Difference]: With dead ends: 2976 [2021-10-28 08:38:05,224 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:38:05,227 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:38:05,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:38:05,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:38:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:38:05,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2021-10-28 08:38:05,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:38:05,229 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:38:05,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:05,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:38:05,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:38:05,232 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:38:05,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 08:38:05,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:38:05,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:38:05,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:38:05,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:38:05,560 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,560 INFO L857 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,560 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,560 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-28 08:38:05,560 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-28 08:38:05,560 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-28 08:38:05,561 INFO L857 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-28 08:38:05,561 INFO L857 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-28 08:38:05,561 INFO L857 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-28 08:38:05,561 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-28 08:38:05,561 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-28 08:38:05,561 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,561 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,561 INFO L857 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,561 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-28 08:38:05,562 INFO L857 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-28 08:38:05,562 INFO L857 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-28 08:38:05,562 INFO L857 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-28 08:38:05,562 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-28 08:38:05,562 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,562 INFO L857 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,562 INFO L857 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,562 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-28 08:38:05,562 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-28 08:38:05,563 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-28 08:38:05,563 INFO L857 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-28 08:38:05,563 INFO L857 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-28 08:38:05,563 INFO L857 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-28 08:38:05,563 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-28 08:38:05,563 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-28 08:38:05,563 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-28 08:38:05,563 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-28 08:38:05,563 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,563 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,564 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,564 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-28 08:38:05,564 INFO L857 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-28 08:38:05,564 INFO L857 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-28 08:38:05,564 INFO L857 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-28 08:38:05,564 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-28 08:38:05,564 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-28 08:38:05,564 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-28 08:38:05,564 INFO L857 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,565 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,565 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,565 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-28 08:38:05,565 INFO L857 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-28 08:38:05,565 INFO L857 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-28 08:38:05,565 INFO L857 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-28 08:38:05,565 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-28 08:38:05,565 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-28 08:38:05,565 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-28 08:38:05,565 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,566 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,566 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,566 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-28 08:38:05,566 INFO L857 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-28 08:38:05,566 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-28 08:38:05,566 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-28 08:38:05,566 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-28 08:38:05,566 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,566 INFO L857 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,566 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,567 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-28 08:38:05,567 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-28 08:38:05,567 INFO L857 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-28 08:38:05,567 INFO L857 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-28 08:38:05,567 INFO L857 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-28 08:38:05,567 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-28 08:38:05,567 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-28 08:38:05,567 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-28 08:38:05,567 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,568 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,568 INFO L857 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,568 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-28 08:38:05,568 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:38:05,568 INFO L857 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-28 08:38:05,568 INFO L857 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-28 08:38:05,568 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-28 08:38:05,568 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-28 08:38:05,568 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-28 08:38:05,568 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-28 08:38:05,569 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-28 08:38:05,569 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,569 INFO L857 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,569 INFO L857 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,569 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-28 08:38:05,569 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-28 08:38:05,569 INFO L857 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-28 08:38:05,569 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-28 08:38:05,569 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-28 08:38:05,570 INFO L857 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-28 08:38:05,570 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-28 08:38:05,570 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-28 08:38:05,570 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-28 08:38:05,570 INFO L857 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,570 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,570 INFO L857 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,570 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-28 08:38:05,570 INFO L857 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-28 08:38:05,571 INFO L857 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-28 08:38:05,571 INFO L857 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-28 08:38:05,571 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-28 08:38:05,571 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-28 08:38:05,571 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:38:05,571 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 548) no Hoare annotation was computed. [2021-10-28 08:38:05,571 INFO L857 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,571 INFO L857 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,572 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,572 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-28 08:38:05,572 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-28 08:38:05,572 INFO L857 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-28 08:38:05,572 INFO L857 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-28 08:38:05,572 INFO L857 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-28 08:38:05,572 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-28 08:38:05,572 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-28 08:38:05,575 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-28 08:38:05,575 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,575 INFO L857 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,575 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,575 INFO L857 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-28 08:38:05,575 INFO L857 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-28 08:38:05,576 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-28 08:38:05,576 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-28 08:38:05,576 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-28 08:38:05,576 INFO L857 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,576 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,576 INFO L857 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,577 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-28 08:38:05,577 INFO L857 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-28 08:38:05,577 INFO L857 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-28 08:38:05,577 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-28 08:38:05,577 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-28 08:38:05,577 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-28 08:38:05,577 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-28 08:38:05,578 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-28 08:38:05,578 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-28 08:38:05,578 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-28 08:38:05,578 INFO L857 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-28 08:38:05,578 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,578 INFO L857 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,579 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-28 08:38:05,579 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-28 08:38:05,579 INFO L857 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-28 08:38:05,579 INFO L857 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-28 08:38:05,579 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-28 08:38:05,579 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-28 08:38:05,580 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-28 08:38:05,580 INFO L857 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-28 08:38:05,580 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-28 08:38:05,580 INFO L853 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 9)) (.cse8 (= ~a25~0 1)) (.cse5 (= ~a11~0 1)) (.cse6 (<= ~a28~0 10)) (.cse9 (= ~a19~0 1))) (let ((.cse4 (<= ~a19~0 0)) (.cse7 (or (and .cse8 .cse0 .cse5) (and .cse8 (<= 8 ~a17~0) .cse5 .cse6 .cse9))) (.cse3 (<= ~a25~0 0)) (.cse1 (= ~a11~0 0)) (.cse2 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse4) (and .cse8 .cse1 .cse2 .cse6 .cse4) (and .cse7 .cse2) (and .cse1 .cse2 .cse6 .cse9 .cse3) (and .cse5 .cse2 .cse6 .cse3) (and .cse8 .cse1 .cse2 .cse9)))) [2021-10-28 08:38:05,581 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,581 INFO L857 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,581 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-28 08:38:05,581 INFO L857 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-28 08:38:05,581 INFO L857 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-28 08:38:05,581 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-28 08:38:05,582 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-28 08:38:05,582 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-28 08:38:05,582 INFO L860 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-28 08:38:05,582 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,582 INFO L857 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,582 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-28 08:38:05,583 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-28 08:38:05,583 INFO L857 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-28 08:38:05,583 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-28 08:38:05,583 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-28 08:38:05,583 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-28 08:38:05,583 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-28 08:38:05,584 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-28 08:38:05,584 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-28 08:38:05,584 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,584 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,584 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-28 08:38:05,584 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-28 08:38:05,585 INFO L857 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-28 08:38:05,585 INFO L857 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-28 08:38:05,585 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:38:05,585 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-28 08:38:05,585 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-28 08:38:05,586 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 9)) (.cse8 (= ~a25~0 1)) (.cse5 (= ~a11~0 1)) (.cse6 (<= ~a28~0 10)) (.cse9 (= ~a19~0 1))) (let ((.cse4 (<= ~a19~0 0)) (.cse7 (or (and .cse8 .cse0 .cse5) (and .cse8 (<= 8 ~a17~0) .cse5 .cse6 .cse9))) (.cse3 (<= ~a25~0 0)) (.cse1 (= ~a11~0 0)) (.cse2 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse4) (and .cse8 .cse1 .cse2 .cse6 .cse4) (and .cse7 .cse2) (and .cse1 .cse2 .cse6 .cse9 .cse3) (and .cse5 .cse2 .cse6 .cse3) (and .cse8 .cse1 .cse2 .cse9)))) [2021-10-28 08:38:05,586 INFO L857 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,586 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,586 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-28 08:38:05,586 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-28 08:38:05,586 INFO L857 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-28 08:38:05,587 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-28 08:38:05,587 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-28 08:38:05,587 INFO L857 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,587 INFO L857 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,587 INFO L857 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-28 08:38:05,587 INFO L857 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-28 08:38:05,588 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-28 08:38:05,588 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-28 08:38:05,588 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-28 08:38:05,588 INFO L857 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-28 08:38:05,588 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-28 08:38:05,588 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-28 08:38:05,589 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-28 08:38:05,589 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,589 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,589 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-28 08:38:05,589 INFO L857 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,589 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:38:05,589 INFO L857 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-28 08:38:05,590 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-28 08:38:05,590 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-28 08:38:05,590 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-28 08:38:05,590 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-28 08:38:05,590 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-28 08:38:05,590 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,591 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,591 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,591 INFO L857 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-28 08:38:05,591 INFO L857 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-28 08:38:05,591 INFO L857 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-28 08:38:05,591 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-28 08:38:05,592 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-28 08:38:05,592 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,592 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,592 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:38:05,592 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-28 08:38:05,592 INFO L857 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-28 08:38:05,593 INFO L857 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-28 08:38:05,593 INFO L857 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-28 08:38:05,593 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-28 08:38:05,593 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-28 08:38:05,596 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:38:05,598 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:38:05,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:38:05 BoogieIcfgContainer [2021-10-28 08:38:05,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:38:05,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:38:05,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:38:05,619 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:38:05,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:37:55" (3/4) ... [2021-10-28 08:38:05,622 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:38:05,645 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 08:38:05,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 08:38:05,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:38:05,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:38:05,787 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:38:05,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:38:05,789 INFO L168 Benchmark]: Toolchain (without parser) took 12214.03 ms. Allocated memory was 111.1 MB in the beginning and 209.7 MB in the end (delta: 98.6 MB). Free memory was 79.9 MB in the beginning and 139.3 MB in the end (delta: -59.4 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:05,789 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 111.1 MB. Free memory is still 65.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:38:05,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.58 ms. Allocated memory is still 111.1 MB. Free memory was 79.6 MB in the beginning and 70.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:05,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.59 ms. Allocated memory is still 111.1 MB. Free memory was 70.4 MB in the beginning and 64.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:05,791 INFO L168 Benchmark]: Boogie Preprocessor took 91.61 ms. Allocated memory is still 111.1 MB. Free memory was 64.9 MB in the beginning and 60.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:05,791 INFO L168 Benchmark]: RCFGBuilder took 1475.33 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 60.6 MB in the beginning and 102.5 MB in the end (delta: -41.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:05,792 INFO L168 Benchmark]: TraceAbstraction took 9732.90 ms. Allocated memory was 138.4 MB in the beginning and 209.7 MB in the end (delta: 71.3 MB). Free memory was 101.5 MB in the beginning and 154.0 MB in the end (delta: -52.5 MB). Peak memory consumption was 121.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:05,792 INFO L168 Benchmark]: Witness Printer took 168.63 ms. Allocated memory is still 209.7 MB. Free memory was 154.0 MB in the beginning and 139.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:05,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 111.1 MB. Free memory is still 65.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 626.58 ms. Allocated memory is still 111.1 MB. Free memory was 79.6 MB in the beginning and 70.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.59 ms. Allocated memory is still 111.1 MB. Free memory was 70.4 MB in the beginning and 64.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.61 ms. Allocated memory is still 111.1 MB. Free memory was 64.9 MB in the beginning and 60.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1475.33 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 60.6 MB in the beginning and 102.5 MB in the end (delta: -41.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9732.90 ms. Allocated memory was 138.4 MB in the beginning and 209.7 MB in the end (delta: 71.3 MB). Free memory was 101.5 MB in the beginning and 154.0 MB in the end (delta: -52.5 MB). Peak memory consumption was 121.9 MB. Max. memory is 16.1 GB. * Witness Printer took 168.63 ms. Allocated memory is still 209.7 MB. Free memory was 154.0 MB in the beginning and 139.3 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 548]: 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: 9.6s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1106 SDtfs, 1432 SDslu, 151 SDs, 0 SdLazy, 3514 SolverSat, 714 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2983occurred in iteration=7, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1282 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 27 NumberOfFragments, 301 HoareAnnotationTreeSize, 3 FomulaSimplifications, 716 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2070 NumberOfCodeBlocks, 2070 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2058 ConstructedInterpolants, 0 QuantifiedInterpolants, 4907 SizeOfPredicates, 0 NumberOfNonLiveVariables, 684 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 709/741 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: ((((((((((a28 <= 9 && a11 == 0) && a17 <= 8) && a25 <= 0) && a19 <= 0) || (((a11 == 1 && a28 <= 10) && a25 <= 0) && a19 <= 0)) || ((((a25 == 1 && a28 <= 9) && a11 == 1) || ((((a25 == 1 && 8 <= a17) && a11 == 1) && a28 <= 10) && a19 == 1)) && a19 <= 0)) || ((((a25 == 1 && a11 == 0) && a17 <= 8) && a28 <= 10) && a19 <= 0)) || ((((a25 == 1 && a28 <= 9) && a11 == 1) || ((((a25 == 1 && 8 <= a17) && a11 == 1) && a28 <= 10) && a19 == 1)) && a17 <= 8)) || ((((a11 == 0 && a17 <= 8) && a28 <= 10) && a19 == 1) && a25 <= 0)) || (((a11 == 1 && a17 <= 8) && a28 <= 10) && a25 <= 0)) || (((a25 == 1 && a11 == 0) && a17 <= 8) && a19 == 1) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((a28 <= 9 && a11 == 0) && a17 <= 8) && a25 <= 0) && a19 <= 0) || (((a11 == 1 && a28 <= 10) && a25 <= 0) && a19 <= 0)) || ((((a25 == 1 && a28 <= 9) && a11 == 1) || ((((a25 == 1 && 8 <= a17) && a11 == 1) && a28 <= 10) && a19 == 1)) && a19 <= 0)) || ((((a25 == 1 && a11 == 0) && a17 <= 8) && a28 <= 10) && a19 <= 0)) || ((((a25 == 1 && a28 <= 9) && a11 == 1) || ((((a25 == 1 && 8 <= a17) && a11 == 1) && a28 <= 10) && a19 == 1)) && a17 <= 8)) || ((((a11 == 0 && a17 <= 8) && a28 <= 10) && a19 == 1) && a25 <= 0)) || (((a11 == 1 && a17 <= 8) && a28 <= 10) && a25 <= 0)) || (((a25 == 1 && a11 == 0) && a17 <= 8) && a19 == 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 08:38:05,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c602d6-772e-4458-89a1-20e7451c31c4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...