./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i --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_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8cdc72d9fd1f9edaca42b89520064daf5a921bac8001b0484fc3c068bd0ad1e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:49:35,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:49:35,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:49:35,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:49:35,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:49:35,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:49:35,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:49:35,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:49:35,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:49:35,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:49:35,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:49:35,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:49:35,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:49:35,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:49:35,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:49:35,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:49:35,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:49:35,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:49:35,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:49:35,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:49:35,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:49:35,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:49:35,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:49:35,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:49:35,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:49:35,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:49:35,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:49:35,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:49:35,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:49:35,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:49:35,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:49:35,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:49:35,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:49:35,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:49:35,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:49:35,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:49:35,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:49:35,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:49:35,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:49:35,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:49:35,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:49:35,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-29 02:49:35,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:49:35,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:49:35,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 02:49:35,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 02:49:35,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:49:35,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:49:35,367 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 02:49:35,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:49:35,367 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:49:35,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:49:35,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:49:35,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:49:35,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:49:35,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:49:35,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:49:35,369 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:49:35,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:49:35,370 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:49:35,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:49:35,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:49:35,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 02:49:35,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-29 02:49:35,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 02:49:35,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:35,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:49:35,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:49:35,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:49:35,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 02:49:35,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:49:35,373 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 02:49:35,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-29 02:49:35,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:49:35,373 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-29 02:49:35,374 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-29 02:49:35,374 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_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8cdc72d9fd1f9edaca42b89520064daf5a921bac8001b0484fc3c068bd0ad1e [2021-10-29 02:49:35,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:49:35,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:49:35,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:49:35,651 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:49:35,652 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:49:35,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/../../sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i [2021-10-29 02:49:35,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/data/439ee4287/86c06ce4d6664c879d186286e7bfc4d1/FLAG70de67cc5 [2021-10-29 02:49:36,394 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:49:36,395 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i [2021-10-29 02:49:36,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/data/439ee4287/86c06ce4d6664c879d186286e7bfc4d1/FLAG70de67cc5 [2021-10-29 02:49:36,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/data/439ee4287/86c06ce4d6664c879d186286e7bfc4d1 [2021-10-29 02:49:36,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:49:36,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:49:36,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:36,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:49:36,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:49:36,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41156344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36, skipping insertion in model container [2021-10-29 02:49:36,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:49:36,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:49:36,957 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_349c7207-918d-4113-b699-83e2ae81a74f/sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i[830,843] [2021-10-29 02:49:37,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:49:37,216 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:49:37,236 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_349c7207-918d-4113-b699-83e2ae81a74f/sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i[830,843] [2021-10-29 02:49:37,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:49:37,357 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:49:37,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37 WrapperNode [2021-10-29 02:49:37,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:37,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:49:37,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:49:37,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:49:37,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:49:37,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:49:37,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:49:37,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:49:37,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:49:37,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:49:37,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:49:37,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:49:37,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:37,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:37,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:37,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 02:49:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2021-10-29 02:49:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2021-10-29 02:49:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:49:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-29 02:49:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:49:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2021-10-29 02:49:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2021-10-29 02:49:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-29 02:49:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-29 02:49:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:49:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:49:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:49:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:49:37,612 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 02:49:38,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:49:38,149 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-29 02:49:38,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:38 BoogieIcfgContainer [2021-10-29 02:49:38,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:49:38,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 02:49:38,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 02:49:38,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 02:49:38,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:49:36" (1/3) ... [2021-10-29 02:49:38,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50fa789e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:49:38, skipping insertion in model container [2021-10-29 02:49:38,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (2/3) ... [2021-10-29 02:49:38,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50fa789e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:49:38, skipping insertion in model container [2021-10-29 02:49:38,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:38" (3/3) ... [2021-10-29 02:49:38,160 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2021-10-29 02:49:38,166 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 02:49:38,166 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 02:49:38,166 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-29 02:49:38,166 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 02:49:38,204 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,204 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,204 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,204 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,205 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,205 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,205 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,205 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,205 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,206 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,206 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,206 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,206 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,206 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,207 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,207 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,207 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,207 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,207 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,208 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,208 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,208 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,208 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,208 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,209 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,209 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,209 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,209 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,210 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,210 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,210 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,210 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,211 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,211 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,211 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,211 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,211 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,212 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,212 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,212 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,212 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,212 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,213 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,213 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,213 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,213 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,213 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,214 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,214 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,214 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,214 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,214 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,215 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,232 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,232 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,232 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,233 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,233 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,233 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,233 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,233 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,233 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,234 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,234 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~x~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,234 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,234 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~x~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,234 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,235 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,235 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,235 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,235 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,235 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~y~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,235 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,236 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~y~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,236 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,236 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,236 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,236 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,237 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,237 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,238 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,238 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,239 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,239 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,240 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~x~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,240 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~x~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,244 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~y~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,244 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~y~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,244 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~x~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,245 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~y~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,246 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,246 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~x~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,247 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~y~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,247 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,248 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,251 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,251 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,251 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,252 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,252 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,252 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,252 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,252 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,252 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,253 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,253 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,253 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,253 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,254 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,254 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,254 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,254 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,254 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,254 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,255 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,255 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,255 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,256 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,256 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,256 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,259 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,259 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,259 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,260 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,261 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,261 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,268 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,269 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,269 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,269 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,269 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,269 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,269 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,270 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,270 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,270 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,270 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,276 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,277 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,277 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,277 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,277 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,277 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,278 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,278 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~y~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,278 WARN L313 ript$VariableManager]: TermVariabe |t3_funThread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,278 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,278 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,278 WARN L313 ript$VariableManager]: TermVariabe t3_funThread1of1ForFork1_~x~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,300 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-29 02:49:38,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-29 02:49:38,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:38,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:38,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-29 02:49:38,429 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ======== [2021-10-29 02:49:38,437 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=PARTIAL_ORDER_FA, 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 [2021-10-29 02:49:38,437 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 02:49:38,870 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:38,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:38,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1098364333, now seen corresponding path program 1 times [2021-10-29 02:49:38,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:38,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690084199] [2021-10-29 02:49:38,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:38,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:39,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:39,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:39,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690084199] [2021-10-29 02:49:39,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690084199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:39,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:39,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:39,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824707170] [2021-10-29 02:49:39,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:39,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:39,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:39,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,435 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:39,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:39,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:46,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:46,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 02:49:46,291 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:46,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:46,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1418216330, now seen corresponding path program 1 times [2021-10-29 02:49:46,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:46,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946434439] [2021-10-29 02:49:46,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:46,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:46,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:46,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946434439] [2021-10-29 02:49:46,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946434439] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:46,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:46,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 02:49:46,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784938073] [2021-10-29 02:49:46,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 02:49:46,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:46,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 02:49:46,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 02:49:46,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:46,480 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:46,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:46,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:46,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:46,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:46,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:46,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 02:49:46,987 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:46,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:46,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1792213789, now seen corresponding path program 1 times [2021-10-29 02:49:46,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:46,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296685339] [2021-10-29 02:49:46,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:46,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:47,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:47,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296685339] [2021-10-29 02:49:47,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296685339] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:47,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:47,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 02:49:47,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230693682] [2021-10-29 02:49:47,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 02:49:47,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:47,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 02:49:47,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-29 02:49:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:47,196 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:47,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:47,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:47,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:47,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:47,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:47,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:47,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:47,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 02:49:47,302 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:47,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:47,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1285355510, now seen corresponding path program 1 times [2021-10-29 02:49:47,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:47,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723553782] [2021-10-29 02:49:47,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:47,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:47,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:47,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723553782] [2021-10-29 02:49:47,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723553782] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:47,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:47,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:47,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771841481] [2021-10-29 02:49:47,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:47,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:47,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:47,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:47,499 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:47,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:47,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:47,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:47,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:47,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:49,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:49,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:49,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:49,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:49,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 02:49:49,366 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:49,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:49,367 INFO L85 PathProgramCache]: Analyzing trace with hash 2083034860, now seen corresponding path program 1 times [2021-10-29 02:49:49,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:49,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406982348] [2021-10-29 02:49:49,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:49,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:49,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:49,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406982348] [2021-10-29 02:49:49,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406982348] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:49,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:49,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:49,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550411790] [2021-10-29 02:49:49,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:49,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:49,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:49,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:49,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:49,451 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:49,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:49,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:49,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:49,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:49,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:49,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:50,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 02:49:50,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 02:49:50,376 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:50,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:50,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1259759894, now seen corresponding path program 1 times [2021-10-29 02:49:50,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:50,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389405651] [2021-10-29 02:49:50,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:50,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:50,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:50,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389405651] [2021-10-29 02:49:50,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389405651] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:50,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:50,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:50,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364447466] [2021-10-29 02:49:50,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:50,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:50,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:50,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:50,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:50,666 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:50,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 8 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:50,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:50,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:50,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-29 02:49:50,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:50,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 02:49:50,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:50,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-29 02:49:50,820 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:50,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:50,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1214877735, now seen corresponding path program 1 times [2021-10-29 02:49:50,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:50,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71741472] [2021-10-29 02:49:50,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:50,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:50,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:50,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71741472] [2021-10-29 02:49:50,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71741472] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:50,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:50,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 02:49:50,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067834651] [2021-10-29 02:49:50,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 02:49:50,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:50,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 02:49:50,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-29 02:49:50,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:50,922 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:50,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:50,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:50,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:50,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:50,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:50,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-29 02:49:50,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:50,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:51,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:51,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:51,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:51,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:51,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 02:49:51,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:51,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:51,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-29 02:49:51,258 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:51,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:51,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2010122447, now seen corresponding path program 2 times [2021-10-29 02:49:51,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:51,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523764706] [2021-10-29 02:49:51,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:51,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:51,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:51,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:51,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523764706] [2021-10-29 02:49:51,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523764706] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:51,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:51,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 02:49:51,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359108702] [2021-10-29 02:49:51,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 02:49:51,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:51,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 02:49:51,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 02:49:51,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:51,374 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:51,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:51,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:51,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:51,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-29 02:49:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:54,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:54,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:49:54,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 02:49:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-29 02:49:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:54,136 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 02:49:54,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-29 02:49:54,152 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2021-10-29 02:49:54,153 INFO L308 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE (1/3) [2021-10-29 02:49:54,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-29 02:49:54,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:54,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:54,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-10-29 02:49:54,163 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-29 02:49:54,163 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=PARTIAL_ORDER_FA, 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 [2021-10-29 02:49:54,163 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-29 02:49:54,264 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-29 02:49:54,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:54,264 INFO L85 PathProgramCache]: Analyzing trace with hash 94512301, now seen corresponding path program 1 times [2021-10-29 02:49:54,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:54,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032380626] [2021-10-29 02:49:54,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:54,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:54,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:54,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032380626] [2021-10-29 02:49:54,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032380626] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:54,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:54,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:54,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569907336] [2021-10-29 02:49:54,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:54,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:54,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:54,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:54,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:54,366 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:54,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:54,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:02,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:02,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-29 02:50:02,039 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-29 02:50:02,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:50:02,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1892035346, now seen corresponding path program 1 times [2021-10-29 02:50:02,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:50:02,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005811309] [2021-10-29 02:50:02,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:50:02,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:50:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:50:02,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:50:02,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:50:02,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005811309] [2021-10-29 02:50:02,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005811309] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:50:02,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:50:02,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 02:50:02,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996950943] [2021-10-29 02:50:02,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 02:50:02,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:50:02,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 02:50:02,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 02:50:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:02,083 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:50:02,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:50:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:02,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:02,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:02,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-29 02:50:02,725 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-29 02:50:02,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:50:02,726 INFO L85 PathProgramCache]: Analyzing trace with hash -692569918, now seen corresponding path program 2 times [2021-10-29 02:50:02,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:50:02,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859137268] [2021-10-29 02:50:02,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:50:02,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:50:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:50:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:50:02,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:50:02,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859137268] [2021-10-29 02:50:02,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859137268] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:50:02,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:50:02,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:50:02,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030978801] [2021-10-29 02:50:02,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:50:02,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:50:02,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:50:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:50:02,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:02,839 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:50:02,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:50:02,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:02,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:02,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:03,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:03,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:03,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-29 02:50:03,010 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-29 02:50:03,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:50:03,010 INFO L85 PathProgramCache]: Analyzing trace with hash 361019984, now seen corresponding path program 1 times [2021-10-29 02:50:03,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:50:03,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817197329] [2021-10-29 02:50:03,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:50:03,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:50:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:50:03,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:50:03,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:50:03,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817197329] [2021-10-29 02:50:03,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817197329] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:50:03,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:50:03,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:50:03,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200091209] [2021-10-29 02:50:03,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:50:03,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:50:03,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:50:03,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:50:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:03,159 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:50:03,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:50:03,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:03,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:03,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-29 02:50:03,299 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-29 02:50:03,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:50:03,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1130155719, now seen corresponding path program 1 times [2021-10-29 02:50:03,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:50:03,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620899809] [2021-10-29 02:50:03,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:50:03,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:50:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:50:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:50:03,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:50:03,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620899809] [2021-10-29 02:50:03,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620899809] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:50:03,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:50:03,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 02:50:03,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523071566] [2021-10-29 02:50:03,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 02:50:03,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:50:03,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 02:50:03,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-29 02:50:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:03,403 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:50:03,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:50:03,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:03,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:03,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:03,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:03,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:03,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:50:03,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-29 02:50:03,521 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-29 02:50:03,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:50:03,522 INFO L85 PathProgramCache]: Analyzing trace with hash 830989178, now seen corresponding path program 1 times [2021-10-29 02:50:03,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:50:03,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272542755] [2021-10-29 02:50:03,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:50:03,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:50:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:50:03,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:50:03,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:50:03,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272542755] [2021-10-29 02:50:03,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272542755] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:50:03,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:50:03,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 02:50:03,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564120120] [2021-10-29 02:50:03,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 02:50:03,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:50:03,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 02:50:03,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 02:50:03,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:03,638 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:50:03,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:50:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:50:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:50:03,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:50:03,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-29 02:50:03,759 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-29 02:50:03,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:50:03,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1299616294, now seen corresponding path program 1 times [2021-10-29 02:50:03,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:50:03,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149139259] [2021-10-29 02:50:03,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:50:03,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:50:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:50:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:50:03,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:50:03,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149139259] [2021-10-29 02:50:03,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149139259] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:50:03,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:50:03,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:50:03,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528388379] [2021-10-29 02:50:03,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:50:03,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:50:03,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:50:03,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:50:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:03,868 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:50:03,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:50:03,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:03,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:03,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:50:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:50:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:50:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:05,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:05,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:05,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-29 02:50:05,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-29 02:50:05,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:50:05,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:50:05,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:05,982 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 02:50:05,983 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 02:50:05,983 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 02:50:05,983 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 02:50:05,983 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-29 02:50:05,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-29 02:50:05,985 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2021-10-29 02:50:05,985 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (2/3) [2021-10-29 02:50:05,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-29 02:50:05,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:50:06,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-29 02:50:06,039 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t3_funThread1of1ForFork1 ======== [2021-10-29 02:50:06,039 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=PARTIAL_ORDER_FA, 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 [2021-10-29 02:50:06,040 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 02:50:06,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2021-10-29 02:50:06,192 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:50:06,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:50:06,192 INFO L85 PathProgramCache]: Analyzing trace with hash -553641785, now seen corresponding path program 1 times [2021-10-29 02:50:06,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:50:06,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773209359] [2021-10-29 02:50:06,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:50:06,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:50:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:50:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:50:06,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:50:06,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773209359] [2021-10-29 02:50:06,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773209359] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:50:06,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:50:06,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:50:06,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662015322] [2021-10-29 02:50:06,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:50:06,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:50:06,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:50:06,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:50:06,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:06,290 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:50:06,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:50:06,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:06,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:06,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-29 02:50:06,380 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:50:06,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:50:06,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1804076723, now seen corresponding path program 1 times [2021-10-29 02:50:06,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:50:06,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170078836] [2021-10-29 02:50:06,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:50:06,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:50:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:50:06,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:50:06,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:50:06,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170078836] [2021-10-29 02:50:06,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170078836] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:50:06,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:50:06,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:50:06,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152331191] [2021-10-29 02:50:06,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:50:06,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:50:06,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:50:06,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:50:06,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:06,491 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:50:06,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:50:06,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:06,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:10,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:50:10,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:10,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-29 02:50:10,298 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:50:10,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:50:10,298 INFO L85 PathProgramCache]: Analyzing trace with hash -323534208, now seen corresponding path program 1 times [2021-10-29 02:50:10,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:50:10,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122319610] [2021-10-29 02:50:10,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:50:10,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:50:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:50:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:50:10,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:50:10,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122319610] [2021-10-29 02:50:10,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122319610] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:50:10,339 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:50:10,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 02:50:10,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258622971] [2021-10-29 02:50:10,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 02:50:10,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:50:10,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 02:50:10,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 02:50:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:10,341 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:50:10,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:50:10,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:50:10,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:10,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:50:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:10,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-29 02:50:10,573 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:50:10,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:50:10,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1730911969, now seen corresponding path program 1 times [2021-10-29 02:50:10,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:50:10,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141373480] [2021-10-29 02:50:10,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:50:10,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:50:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:50:10,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:50:10,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:50:10,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141373480] [2021-10-29 02:50:10,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141373480] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:50:10,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:50:10,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 02:50:10,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038380957] [2021-10-29 02:50:10,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 02:50:10,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:50:10,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 02:50:10,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-29 02:50:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:10,700 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:50:10,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:50:10,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:50:10,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:10,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:10,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:11,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-29 02:50:11,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:11,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:11,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:50:11,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-29 02:50:11,247 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:50:11,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:50:11,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1751944962, now seen corresponding path program 1 times [2021-10-29 02:50:11,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:50:11,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174770992] [2021-10-29 02:50:11,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:50:11,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:50:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:50:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:50:11,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:50:11,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174770992] [2021-10-29 02:50:11,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174770992] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:50:11,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:50:11,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:50:11,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031636300] [2021-10-29 02:50:11,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:50:11,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:50:11,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:50:11,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:50:11,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:11,319 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:50:11,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:50:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-29 02:50:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:50:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-29 02:50:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:50:11,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:11,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-29 02:50:11,389 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:50:11,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:50:11,391 INFO L85 PathProgramCache]: Analyzing trace with hash -296769546, now seen corresponding path program 1 times [2021-10-29 02:50:11,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:50:11,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815229177] [2021-10-29 02:50:11,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:50:11,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:50:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:50:11,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:50:11,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:50:11,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815229177] [2021-10-29 02:50:11,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815229177] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:50:11,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:50:11,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:50:11,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628877160] [2021-10-29 02:50:11,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:50:11,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:50:11,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:50:11,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:50:11,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:11,513 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:50:11,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:50:11,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-29 02:50:11,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:11,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:11,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:50:11,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:11,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:50:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-29 02:50:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 02:50:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:50:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:50:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:50:16,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 02:50:16,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-29 02:50:16,106 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-29 02:50:16,108 INFO L308 ceAbstractionStarter]: Result for error location t3_funThread1of1ForFork1 was SAFE (3/3) [2021-10-29 02:50:16,108 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 02:50:16,108 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 02:50:16,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 02:50:16 BasicIcfg [2021-10-29 02:50:16,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 02:50:16,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:50:16,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:50:16,120 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:50:16,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:38" (3/4) ... [2021-10-29 02:50:16,123 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:50:16,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2021-10-29 02:50:16,152 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t3_fun [2021-10-29 02:50:16,152 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-10-29 02:50:16,157 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-29 02:50:16,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 02:50:16,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:50:16,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:50:16,209 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/witness.graphml [2021-10-29 02:50:16,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:50:16,211 INFO L168 Benchmark]: Toolchain (without parser) took 39511.10 ms. Allocated memory was 107.0 MB in the beginning and 11.9 GB in the end (delta: 11.8 GB). Free memory was 72.8 MB in the beginning and 10.9 GB in the end (delta: -10.8 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2021-10-29 02:50:16,211 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 107.0 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:50:16,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.42 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 72.8 MB in the beginning and 102.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 02:50:16,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.99 ms. Allocated memory is still 140.5 MB. Free memory was 102.8 MB in the beginning and 100.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:50:16,215 INFO L168 Benchmark]: Boogie Preprocessor took 59.01 ms. Allocated memory is still 140.5 MB. Free memory was 100.7 MB in the beginning and 99.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:50:16,215 INFO L168 Benchmark]: RCFGBuilder took 640.17 ms. Allocated memory is still 140.5 MB. Free memory was 99.2 MB in the beginning and 84.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 02:50:16,216 INFO L168 Benchmark]: TraceAbstraction took 37959.45 ms. Allocated memory was 140.5 MB in the beginning and 11.9 GB in the end (delta: 11.8 GB). Free memory was 83.9 MB in the beginning and 10.9 GB in the end (delta: -10.8 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2021-10-29 02:50:16,216 INFO L168 Benchmark]: Witness Printer took 89.88 ms. Allocated memory is still 11.9 GB. Free memory was 10.9 GB in the beginning and 10.9 GB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 02:50:16,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 107.0 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 658.42 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 72.8 MB in the beginning and 102.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.99 ms. Allocated memory is still 140.5 MB. Free memory was 102.8 MB in the beginning and 100.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.01 ms. Allocated memory is still 140.5 MB. Free memory was 100.7 MB in the beginning and 99.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 640.17 ms. Allocated memory is still 140.5 MB. Free memory was 99.2 MB in the beginning and 84.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 37959.45 ms. Allocated memory was 140.5 MB in the beginning and 11.9 GB in the end (delta: 11.8 GB). Free memory was 83.9 MB in the beginning and 10.9 GB in the end (delta: -10.8 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. * Witness Printer took 89.88 ms. Allocated memory is still 11.9 GB. Free memory was 10.9 GB in the beginning and 10.9 GB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 495099, positive: 472781, positive conditional: 464968, positive unconditional: 7813, negative: 22318, negative conditional: 22207, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 493019, positive: 472781, positive conditional: 464968, positive unconditional: 7813, negative: 20238, negative conditional: 20127, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 493019, positive: 472781, positive conditional: 464968, positive unconditional: 7813, negative: 20238, negative conditional: 20127, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 535461, positive: 472781, positive conditional: 464825, positive unconditional: 7956, negative: 62680, negative conditional: 42442, negative unconditional: 20238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 535461, positive: 472781, positive conditional: 146974, positive unconditional: 325807, negative: 62680, negative conditional: 6722, negative unconditional: 55958, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 535461, positive: 472781, positive conditional: 146974, positive unconditional: 325807, negative: 62680, negative conditional: 6722, negative unconditional: 55958, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8118, positive: 7927, positive conditional: 72, positive unconditional: 7855, negative: 191, negative conditional: 80, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8118, positive: 7777, positive conditional: 0, positive unconditional: 7777, negative: 341, negative conditional: 0, negative unconditional: 341, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 341, positive: 150, positive conditional: 64, positive unconditional: 86, negative: 191, negative conditional: 80, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 830, positive: 330, positive conditional: 106, positive unconditional: 224, negative: 500, negative conditional: 169, negative unconditional: 331, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 535461, positive: 464854, positive conditional: 146902, positive unconditional: 317952, negative: 62489, negative conditional: 6642, negative unconditional: 55847, unknown: 8118, unknown conditional: 152, unknown unconditional: 7966] , Statistics on independence cache: Total cache size (in pairs): 8118, Positive cache size: 7927, Positive conditional cache size: 72, Positive unconditional cache size: 7855, Negative cache size: 191, Negative conditional cache size: 80, Negative unconditional cache size: 111, Eliminated conditions: 353571, Maximal queried relation: 7, Independence queries for same thread: 2080 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 3305, Number of persistent set computation: 43802, Number of trivial persistent sets: 19777, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7924, positive: 7813, positive conditional: 0, positive unconditional: 7813, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 495099, positive: 472781, positive conditional: 464968, positive unconditional: 7813, negative: 22318, negative conditional: 22207, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 493019, positive: 472781, positive conditional: 464968, positive unconditional: 7813, negative: 20238, negative conditional: 20127, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 493019, positive: 472781, positive conditional: 464968, positive unconditional: 7813, negative: 20238, negative conditional: 20127, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 535461, positive: 472781, positive conditional: 464825, positive unconditional: 7956, negative: 62680, negative conditional: 42442, negative unconditional: 20238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 535461, positive: 472781, positive conditional: 146974, positive unconditional: 325807, negative: 62680, negative conditional: 6722, negative unconditional: 55958, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 535461, positive: 472781, positive conditional: 146974, positive unconditional: 325807, negative: 62680, negative conditional: 6722, negative unconditional: 55958, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8118, positive: 7927, positive conditional: 72, positive unconditional: 7855, negative: 191, negative conditional: 80, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8118, positive: 7777, positive conditional: 0, positive unconditional: 7777, negative: 341, negative conditional: 0, negative unconditional: 341, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 341, positive: 150, positive conditional: 64, positive unconditional: 86, negative: 191, negative conditional: 80, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 830, positive: 330, positive conditional: 106, positive unconditional: 224, negative: 500, negative conditional: 169, negative unconditional: 331, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 535461, positive: 464854, positive conditional: 146902, positive unconditional: 317952, negative: 62489, negative conditional: 6642, negative unconditional: 55847, unknown: 8118, unknown conditional: 152, unknown unconditional: 7966] , Statistics on independence cache: Total cache size (in pairs): 8118, Positive cache size: 7927, Positive conditional cache size: 72, Positive unconditional cache size: 7855, Negative cache size: 191, Negative conditional cache size: 80, Negative unconditional cache size: 111, Eliminated conditions: 353571, Maximal queried relation: 7, Independence queries for same thread: 2080 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 665235, positive: 629662, positive conditional: 622424, positive unconditional: 7238, negative: 35573, negative conditional: 35461, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 657927, positive: 629662, positive conditional: 622424, positive unconditional: 7238, negative: 28265, negative conditional: 28153, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 657927, positive: 629662, positive conditional: 622424, positive unconditional: 7238, negative: 28265, negative conditional: 28153, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 696191, positive: 629662, positive conditional: 622307, positive unconditional: 7355, negative: 66529, negative conditional: 38264, negative unconditional: 28265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 696191, positive: 629662, positive conditional: 121320, positive unconditional: 508342, negative: 66529, negative conditional: 7972, negative unconditional: 58557, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 696191, positive: 629662, positive conditional: 121320, positive unconditional: 508342, negative: 66529, negative conditional: 7972, negative unconditional: 58557, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7425, positive: 7259, positive conditional: 21, positive unconditional: 7238, negative: 166, negative conditional: 54, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7425, positive: 7146, positive conditional: 0, positive unconditional: 7146, negative: 279, negative conditional: 0, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 279, positive: 113, positive conditional: 21, positive unconditional: 92, negative: 166, negative conditional: 54, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 471, positive: 146, positive conditional: 31, positive unconditional: 115, negative: 325, negative conditional: 88, negative unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 696191, positive: 622403, positive conditional: 121299, positive unconditional: 501104, negative: 66363, negative conditional: 7918, negative unconditional: 58445, unknown: 7425, unknown conditional: 75, unknown unconditional: 7350] , Statistics on independence cache: Total cache size (in pairs): 7425, Positive cache size: 7259, Positive conditional cache size: 21, Positive unconditional cache size: 7238, Negative cache size: 166, Negative conditional cache size: 54, Negative unconditional cache size: 112, Eliminated conditions: 531279, Maximal queried relation: 6, Independence queries for same thread: 7308 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 3159, Number of persistent set computation: 61409, Number of trivial persistent sets: 32428, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7350, positive: 7238, positive conditional: 0, positive unconditional: 7238, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 665235, positive: 629662, positive conditional: 622424, positive unconditional: 7238, negative: 35573, negative conditional: 35461, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 657927, positive: 629662, positive conditional: 622424, positive unconditional: 7238, negative: 28265, negative conditional: 28153, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 657927, positive: 629662, positive conditional: 622424, positive unconditional: 7238, negative: 28265, negative conditional: 28153, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 696191, positive: 629662, positive conditional: 622307, positive unconditional: 7355, negative: 66529, negative conditional: 38264, negative unconditional: 28265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 696191, positive: 629662, positive conditional: 121320, positive unconditional: 508342, negative: 66529, negative conditional: 7972, negative unconditional: 58557, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 696191, positive: 629662, positive conditional: 121320, positive unconditional: 508342, negative: 66529, negative conditional: 7972, negative unconditional: 58557, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7425, positive: 7259, positive conditional: 21, positive unconditional: 7238, negative: 166, negative conditional: 54, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7425, positive: 7146, positive conditional: 0, positive unconditional: 7146, negative: 279, negative conditional: 0, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 279, positive: 113, positive conditional: 21, positive unconditional: 92, negative: 166, negative conditional: 54, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 471, positive: 146, positive conditional: 31, positive unconditional: 115, negative: 325, negative conditional: 88, negative unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 696191, positive: 622403, positive conditional: 121299, positive unconditional: 501104, negative: 66363, negative conditional: 7918, negative unconditional: 58445, unknown: 7425, unknown conditional: 75, unknown unconditional: 7350] , Statistics on independence cache: Total cache size (in pairs): 7425, Positive cache size: 7259, Positive conditional cache size: 21, Positive unconditional cache size: 7238, Negative cache size: 166, Negative conditional cache size: 54, Negative unconditional cache size: 112, Eliminated conditions: 531279, Maximal queried relation: 6, Independence queries for same thread: 7308 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 564488, positive: 541036, positive conditional: 533154, positive unconditional: 7882, negative: 23452, negative conditional: 23347, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 559633, positive: 541036, positive conditional: 533154, positive unconditional: 7882, negative: 18597, negative conditional: 18492, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 559633, positive: 541036, positive conditional: 533154, positive unconditional: 7882, negative: 18597, negative conditional: 18492, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 613635, positive: 541036, positive conditional: 533038, positive unconditional: 7998, negative: 72599, negative conditional: 54002, negative unconditional: 18597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 613635, positive: 541036, positive conditional: 139942, positive unconditional: 401094, negative: 72599, negative conditional: 4761, negative unconditional: 67838, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 613635, positive: 541036, positive conditional: 139942, positive unconditional: 401094, negative: 72599, negative conditional: 4761, negative unconditional: 67838, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8160, positive: 7994, positive conditional: 53, positive unconditional: 7941, negative: 166, negative conditional: 61, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8160, positive: 7859, positive conditional: 0, positive unconditional: 7859, negative: 301, negative conditional: 0, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 301, positive: 135, positive conditional: 49, positive unconditional: 86, negative: 166, negative conditional: 61, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 460, positive: 186, positive conditional: 83, positive unconditional: 103, negative: 274, negative conditional: 90, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 613635, positive: 533042, positive conditional: 139889, positive unconditional: 393153, negative: 72433, negative conditional: 4700, negative unconditional: 67733, unknown: 8160, unknown conditional: 114, unknown unconditional: 8046] , Statistics on independence cache: Total cache size (in pairs): 8160, Positive cache size: 7994, Positive conditional cache size: 53, Positive unconditional cache size: 7941, Negative cache size: 166, Negative conditional cache size: 61, Negative unconditional cache size: 105, Eliminated conditions: 442337, Maximal queried relation: 5, Independence queries for same thread: 4855 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 2327, Number of persistent set computation: 48503, Number of trivial persistent sets: 23553, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7987, positive: 7882, positive conditional: 0, positive unconditional: 7882, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 564488, positive: 541036, positive conditional: 533154, positive unconditional: 7882, negative: 23452, negative conditional: 23347, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 559633, positive: 541036, positive conditional: 533154, positive unconditional: 7882, negative: 18597, negative conditional: 18492, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 559633, positive: 541036, positive conditional: 533154, positive unconditional: 7882, negative: 18597, negative conditional: 18492, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 613635, positive: 541036, positive conditional: 533038, positive unconditional: 7998, negative: 72599, negative conditional: 54002, negative unconditional: 18597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 613635, positive: 541036, positive conditional: 139942, positive unconditional: 401094, negative: 72599, negative conditional: 4761, negative unconditional: 67838, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 613635, positive: 541036, positive conditional: 139942, positive unconditional: 401094, negative: 72599, negative conditional: 4761, negative unconditional: 67838, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8160, positive: 7994, positive conditional: 53, positive unconditional: 7941, negative: 166, negative conditional: 61, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8160, positive: 7859, positive conditional: 0, positive unconditional: 7859, negative: 301, negative conditional: 0, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 301, positive: 135, positive conditional: 49, positive unconditional: 86, negative: 166, negative conditional: 61, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 460, positive: 186, positive conditional: 83, positive unconditional: 103, negative: 274, negative conditional: 90, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 613635, positive: 533042, positive conditional: 139889, positive unconditional: 393153, negative: 72433, negative conditional: 4700, negative unconditional: 67733, unknown: 8160, unknown conditional: 114, unknown unconditional: 8046] , Statistics on independence cache: Total cache size (in pairs): 8160, Positive cache size: 7994, Positive conditional cache size: 53, Positive unconditional cache size: 7941, Negative cache size: 166, Negative conditional cache size: 61, Negative unconditional cache size: 105, Eliminated conditions: 442337, Maximal queried relation: 5, Independence queries for same thread: 4855 - 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: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: 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 for errors in thread instance: t2_funThread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 219 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 13.8s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 874 NumberOfCodeBlocks, 874 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 866 ConstructedInterpolants, 0 QuantifiedInterpolants, 2951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 219 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 11.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 11.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 729 NumberOfCodeBlocks, 729 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 2772 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t3_funThread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 219 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 9.4s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 582 ConstructedInterpolants, 0 QuantifiedInterpolants, 2522 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 02:50:16,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2021-10-29 02:50:16,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-10-29 02:50:16,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-10-29 02:50:16,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349c7207-918d-4113-b699-83e2ae81a74f/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...