./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a --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 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:59:49,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:59:49,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:59:49,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:59:49,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:59:49,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:59:49,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:59:49,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:59:49,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:59:49,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:59:49,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:59:49,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:59:49,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:59:49,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:59:49,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:59:49,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:59:49,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:59:49,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:59:49,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:59:49,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:59:49,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:59:49,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:59:49,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:59:49,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:59:49,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:59:49,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:59:49,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:59:49,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:59:49,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:59:49,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:59:49,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:59:49,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:59:49,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:59:49,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:59:49,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:59:49,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:59:49,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:59:49,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:59:49,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:59:49,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:59:49,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:59:49,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-13 18:59:49,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:59:49,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:59:49,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:59:49,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:59:49,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:59:49,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:59:49,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:59:49,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:59:49,456 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:59:49,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:59:49,456 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:59:49,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:59:49,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:59:49,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:59:49,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:59:49,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:59:49,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:59:49,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:59:49,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:59:49,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:59:49,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:59:49,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:59:49,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:59:49,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 18:59:49,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:59:49,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:59:49,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:59:49,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:59:49,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:59:49,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:59:49,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:59:49,461 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:59:49,461 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 18:59:49,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:59:49,461 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 18:59:49,462 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 18:59:49,462 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_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 [2021-11-13 18:59:49,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:59:49,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:59:49,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:59:49,816 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:59:49,821 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:59:49,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2021-11-13 18:59:49,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/data/48d35e441/979deb3f632e4f4e98e03700e19bb781/FLAG30a3fc936 [2021-11-13 18:59:50,528 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:59:50,533 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2021-11-13 18:59:50,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/data/48d35e441/979deb3f632e4f4e98e03700e19bb781/FLAG30a3fc936 [2021-11-13 18:59:50,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/data/48d35e441/979deb3f632e4f4e98e03700e19bb781 [2021-11-13 18:59:50,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:59:50,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:59:50,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:59:50,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:59:50,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:59:50,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:59:50" (1/1) ... [2021-11-13 18:59:50,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52634bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:50, skipping insertion in model container [2021-11-13 18:59:50,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:59:50" (1/1) ... [2021-11-13 18:59:50,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:59:50,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:59:51,050 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_6305591e-fd3f-444c-9cb2-30c935571477/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i[959,972] [2021-11-13 18:59:51,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:59:51,281 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:59:51,304 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_6305591e-fd3f-444c-9cb2-30c935571477/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i[959,972] [2021-11-13 18:59:51,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:59:51,405 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:59:51,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:51 WrapperNode [2021-11-13 18:59:51,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:59:51,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:59:51,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:59:51,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:59:51,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:51" (1/1) ... [2021-11-13 18:59:51,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:51" (1/1) ... [2021-11-13 18:59:51,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:59:51,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:59:51,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:59:51,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:59:51,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:51" (1/1) ... [2021-11-13 18:59:51,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:51" (1/1) ... [2021-11-13 18:59:51,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:51" (1/1) ... [2021-11-13 18:59:51,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:51" (1/1) ... [2021-11-13 18:59:51,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:51" (1/1) ... [2021-11-13 18:59:51,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:51" (1/1) ... [2021-11-13 18:59:51,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:51" (1/1) ... [2021-11-13 18:59:51,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:59:51,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:59:51,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:59:51,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:59:51,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:51" (1/1) ... [2021-11-13 18:59:51,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:59:51,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:51,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:59:51,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:59:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:59:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 18:59:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:59:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:59:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-13 18:59:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-13 18:59:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-13 18:59:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-13 18:59:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-13 18:59:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-13 18:59:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:59:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 18:59:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:59:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:59:51,644 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 18:59:52,764 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:59:52,765 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:59:52,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:59:52 BoogieIcfgContainer [2021-11-13 18:59:52,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:59:52,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:59:52,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:59:52,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:59:52,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:59:50" (1/3) ... [2021-11-13 18:59:52,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a01480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:59:52, skipping insertion in model container [2021-11-13 18:59:52,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:51" (2/3) ... [2021-11-13 18:59:52,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a01480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:59:52, skipping insertion in model container [2021-11-13 18:59:52,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:59:52" (3/3) ... [2021-11-13 18:59:52,776 INFO L111 eAbstractionObserver]: Analyzing ICFG safe021_power.opt_pso.opt.i [2021-11-13 18:59:52,782 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 18:59:52,782 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:59:52,782 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 18:59:52,782 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 18:59:52,846 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,846 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,847 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,847 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,847 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,847 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,848 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,848 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,848 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,848 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,848 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,849 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,849 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,850 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,850 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,851 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,851 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,851 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,851 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,851 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,851 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,852 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,853 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,853 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,855 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,855 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,855 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,855 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,856 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,856 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,856 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,857 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,857 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,857 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,857 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,857 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,858 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,858 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,858 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,858 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,859 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,859 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,859 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,859 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,860 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,860 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,860 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,860 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,861 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,861 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,862 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,862 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,862 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,863 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,863 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,863 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,864 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,864 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,864 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,864 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,865 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,865 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,865 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,865 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,865 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,866 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,866 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,866 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,866 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,867 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,867 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,867 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,867 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,868 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,868 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,868 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,869 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,869 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,869 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,869 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,869 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,870 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,871 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,874 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,874 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,876 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,886 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,886 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,887 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,887 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,887 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,887 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,893 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,893 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,893 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,893 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,894 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,895 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,895 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,895 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,895 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,895 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,896 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,896 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,896 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,896 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,897 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,897 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,897 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,898 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,898 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,898 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,898 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,898 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,899 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,899 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,899 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,899 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:52,900 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 18:59:52,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 18:59:52,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:52,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 18:59:52,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-13 18:59:53,021 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-13 18:59:53,030 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 [2021-11-13 18:59:53,030 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-13 18:59:53,218 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,221 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,252 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,265 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,279 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,280 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,280 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,281 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,281 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,281 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,282 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,282 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,282 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,283 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,283 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,283 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,284 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,284 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,310 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,310 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,311 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,311 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,311 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,312 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,312 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,312 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,313 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,313 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,313 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,314 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,314 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,314 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,349 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,350 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,350 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,350 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,351 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,351 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,351 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,352 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,352 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,352 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,353 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,353 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,353 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,353 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:53,386 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 18:59:53,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:53,392 INFO L85 PathProgramCache]: Analyzing trace with hash -891359067, now seen corresponding path program 1 times [2021-11-13 18:59:53,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:53,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177858732] [2021-11-13 18:59:53,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:53,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:53,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:53,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177858732] [2021-11-13 18:59:53,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177858732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:53,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:53,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:59:53,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989443029] [2021-11-13 18:59:53,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:53,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 18:59:53,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:53,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 18:59:53,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:59:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:53,703 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:53,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:53,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:53,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:59:53,738 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 18:59:53,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:53,739 INFO L85 PathProgramCache]: Analyzing trace with hash 2047081111, now seen corresponding path program 1 times [2021-11-13 18:59:53,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:53,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262570230] [2021-11-13 18:59:53,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:53,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:54,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:54,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:54,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262570230] [2021-11-13 18:59:54,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262570230] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:54,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:54,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:59:54,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899865742] [2021-11-13 18:59:54,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:54,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:59:54,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:54,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:59:54,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:59:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:54,171 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:54,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:54,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:54,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:54,334 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,349 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,349 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,351 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,351 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,352 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,352 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,352 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,353 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,353 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,353 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,354 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,354 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,354 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,355 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,378 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,390 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,390 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,391 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,391 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,391 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,391 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,391 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,391 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,392 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,392 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,392 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,392 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,392 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,392 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,417 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,418 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,419 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,419 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,419 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,420 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,420 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,420 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,420 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,421 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,421 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,421 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,421 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,422 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,422 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,477 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,478 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,515 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,516 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,516 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,516 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,516 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,517 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,517 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,517 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,517 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,518 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,518 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,518 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,518 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,519 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,521 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,548 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,569 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,570 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,571 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,571 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,571 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,571 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,572 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,572 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,572 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,573 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,573 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,573 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,573 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,574 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,574 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,640 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,650 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,650 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,651 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,651 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,651 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,652 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,652 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,652 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,652 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,653 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,653 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,653 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,653 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,688 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,688 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,688 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,689 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,689 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,689 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,689 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,690 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,690 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,690 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,733 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,734 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,734 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,734 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,735 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,735 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,735 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,735 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,736 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,780 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,780 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,781 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,781 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,781 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,823 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,823 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,824 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,846 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,899 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,922 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:54,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:54,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:54,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:59:54,963 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 18:59:54,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:54,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1132446633, now seen corresponding path program 1 times [2021-11-13 18:59:54,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:54,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652300667] [2021-11-13 18:59:54,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:54,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:55,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:55,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652300667] [2021-11-13 18:59:55,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652300667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:55,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:55,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:59:55,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149307388] [2021-11-13 18:59:55,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:55,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:59:55,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:55,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:59:55,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:59:55,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:55,258 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:55,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:55,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:55,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:55,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:55,294 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,325 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,326 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,369 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,403 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,437 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,438 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,472 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,473 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,491 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,493 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,563 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,564 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,599 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,600 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:55,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:55,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:55,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:59:55,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:59:55,698 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 18:59:55,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:55,699 INFO L85 PathProgramCache]: Analyzing trace with hash 595072527, now seen corresponding path program 1 times [2021-11-13 18:59:55,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:55,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974201867] [2021-11-13 18:59:55,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:55,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:56,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:56,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:56,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974201867] [2021-11-13 18:59:56,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974201867] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:56,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:56,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:59:56,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417927837] [2021-11-13 18:59:56,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:56,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:59:56,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:56,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:59:56,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:59:56,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:56,025 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:56,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 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) [2021-11-13 18:59:56,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:56,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:56,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:59:56,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:56,119 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:56,129 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:56,130 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:56,171 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:56,202 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:56,203 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:56,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:56,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:56,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:59:56,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:56,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:59:56,302 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 18:59:56,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:56,307 INFO L85 PathProgramCache]: Analyzing trace with hash 2014333711, now seen corresponding path program 2 times [2021-11-13 18:59:56,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:56,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380184846] [2021-11-13 18:59:56,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:56,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:56,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:56,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380184846] [2021-11-13 18:59:56,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380184846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:56,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:56,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 18:59:56,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203323041] [2021-11-13 18:59:56,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:56,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 18:59:56,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:56,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 18:59:56,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:59:56,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:56,584 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:56,584 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) [2021-11-13 18:59:56,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:56,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:56,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:59:56,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:56,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:56,691 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:56,692 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:56,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:56,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:56,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:59:56,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:59:56,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:59:56,797 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 18:59:56,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:56,797 INFO L85 PathProgramCache]: Analyzing trace with hash 540304934, now seen corresponding path program 1 times [2021-11-13 18:59:56,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:56,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411529698] [2021-11-13 18:59:56,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:56,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:57,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:57,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411529698] [2021-11-13 18:59:57,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411529698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:57,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:57,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 18:59:57,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113989114] [2021-11-13 18:59:57,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:57,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:59:57,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:57,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:59:57,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:59:57,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:57,097 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:57,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:57,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:57,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:57,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:59:57,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:57,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:59:57,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:57,301 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,302 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,329 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,330 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,372 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,385 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,391 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,399 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,571 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,583 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,590 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,598 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,607 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,608 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,661 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,665 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,699 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,699 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,712 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,713 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,747 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,748 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,780 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,781 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,833 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,834 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,852 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,853 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,877 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,878 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,911 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,922 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,932 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,946 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,957 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,965 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:57,972 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:58,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:58,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:58,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:59:58,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:58,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:59:58,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:58,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:59:58,018 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 18:59:58,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:58,019 INFO L85 PathProgramCache]: Analyzing trace with hash -116559130, now seen corresponding path program 2 times [2021-11-13 18:59:58,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:58,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894043440] [2021-11-13 18:59:58,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:58,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:58,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:58,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894043440] [2021-11-13 18:59:58,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894043440] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:58,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:58,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-13 18:59:58,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900508156] [2021-11-13 18:59:58,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:58,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:59:58,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:58,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:59:58,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:59:58,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:58,508 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:58,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:58,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:58,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:58,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:59:58,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:58,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:59:58,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:58,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:58,574 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:58,596 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:58,597 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:58,773 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:58,774 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:58,800 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:58,815 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:58,816 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:58,839 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:58,840 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:58,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:58,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:59:58,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:59:58,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:58,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:59:58,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:59:58,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 18:59:58,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 18:59:58,888 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 18:59:58,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:58,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1462395298, now seen corresponding path program 3 times [2021-11-13 18:59:58,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:58,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073062784] [2021-11-13 18:59:58,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:58,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:59:58,982 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:59:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:59:59,189 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:59:59,189 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 18:59:59,190 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-13 18:59:59,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-13 18:59:59,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-13 18:59:59,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-13 18:59:59,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 18:59:59,207 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2021-11-13 18:59:59,208 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2021-11-13 18:59:59,213 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 18:59:59,213 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:59:59,335 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 18:59:59,337 INFO L158 Benchmark]: Toolchain (without parser) took 8584.87ms. Allocated memory was 104.9MB in the beginning and 232.8MB in the end (delta: 127.9MB). Free memory was 63.4MB in the beginning and 89.6MB in the end (delta: -26.3MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. [2021-11-13 18:59:59,338 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory was 81.1MB in the beginning and 81.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:59:59,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.25ms. Allocated memory is still 104.9MB. Free memory was 63.2MB in the beginning and 67.7MB in the end (delta: -4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:59:59,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.67ms. Allocated memory is still 104.9MB. Free memory was 67.7MB in the beginning and 65.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:59:59,339 INFO L158 Benchmark]: Boogie Preprocessor took 72.12ms. Allocated memory is still 104.9MB. Free memory was 65.1MB in the beginning and 62.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:59:59,340 INFO L158 Benchmark]: RCFGBuilder took 1225.43ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 62.6MB in the beginning and 54.7MB in the end (delta: 7.9MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2021-11-13 18:59:59,342 INFO L158 Benchmark]: TraceAbstraction took 6567.33ms. Allocated memory was 127.9MB in the beginning and 232.8MB in the end (delta: 104.9MB). Free memory was 54.1MB in the beginning and 89.6MB in the end (delta: -35.5MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. [2021-11-13 18:59:59,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory was 81.1MB in the beginning and 81.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.25ms. Allocated memory is still 104.9MB. Free memory was 63.2MB in the beginning and 67.7MB in the end (delta: -4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.67ms. Allocated memory is still 104.9MB. Free memory was 67.7MB in the beginning and 65.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.12ms. Allocated memory is still 104.9MB. Free memory was 65.1MB in the beginning and 62.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1225.43ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 62.6MB in the beginning and 54.7MB in the end (delta: 7.9MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6567.33ms. Allocated memory was 127.9MB in the beginning and 232.8MB in the end (delta: 104.9MB). Free memory was 54.1MB in the beginning and 89.6MB in the end (delta: -35.5MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8000, positive: 7692, positive conditional: 6112, positive unconditional: 1580, negative: 308, negative conditional: 262, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7941, positive: 7692, positive conditional: 6112, positive unconditional: 1580, negative: 249, negative conditional: 203, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7941, positive: 7692, positive conditional: 6112, positive unconditional: 1580, negative: 249, negative conditional: 203, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9092, positive: 7692, positive conditional: 5824, positive unconditional: 1868, negative: 1400, negative conditional: 1151, negative unconditional: 249, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9092, positive: 7692, positive conditional: 1722, positive unconditional: 5970, negative: 1400, negative conditional: 171, negative unconditional: 1229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9092, positive: 7692, positive conditional: 1722, positive unconditional: 5970, negative: 1400, negative conditional: 171, negative unconditional: 1229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1673, positive: 1598, positive conditional: 18, positive unconditional: 1580, negative: 75, negative conditional: 26, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1673, positive: 1574, positive conditional: 0, positive unconditional: 1574, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 99, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 75, negative conditional: 26, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1766, positive: 217, positive conditional: 205, positive unconditional: 12, negative: 1550, negative conditional: 586, negative unconditional: 964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9092, positive: 6094, positive conditional: 1704, positive unconditional: 4390, negative: 1325, negative conditional: 145, negative unconditional: 1180, unknown: 1673, unknown conditional: 44, unknown unconditional: 1629] , Statistics on independence cache: Total cache size (in pairs): 1673, Positive cache size: 1598, Positive conditional cache size: 18, Positive unconditional cache size: 1580, Negative cache size: 75, Negative conditional cache size: 26, Negative unconditional cache size: 49, Eliminated conditions: 5082, Maximal queried relation: 5, Independence queries for same thread: 59 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1046.54ms, Number of persistent set computation: 585, Number of trivial persistent sets: 333, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1626, positive: 1580, positive conditional: 0, positive unconditional: 1580, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8000, positive: 7692, positive conditional: 6112, positive unconditional: 1580, negative: 308, negative conditional: 262, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7941, positive: 7692, positive conditional: 6112, positive unconditional: 1580, negative: 249, negative conditional: 203, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7941, positive: 7692, positive conditional: 6112, positive unconditional: 1580, negative: 249, negative conditional: 203, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9092, positive: 7692, positive conditional: 5824, positive unconditional: 1868, negative: 1400, negative conditional: 1151, negative unconditional: 249, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9092, positive: 7692, positive conditional: 1722, positive unconditional: 5970, negative: 1400, negative conditional: 171, negative unconditional: 1229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9092, positive: 7692, positive conditional: 1722, positive unconditional: 5970, negative: 1400, negative conditional: 171, negative unconditional: 1229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1673, positive: 1598, positive conditional: 18, positive unconditional: 1580, negative: 75, negative conditional: 26, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1673, positive: 1574, positive conditional: 0, positive unconditional: 1574, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 99, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 75, negative conditional: 26, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1766, positive: 217, positive conditional: 205, positive unconditional: 12, negative: 1550, negative conditional: 586, negative unconditional: 964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9092, positive: 6094, positive conditional: 1704, positive unconditional: 4390, negative: 1325, negative conditional: 145, negative unconditional: 1180, unknown: 1673, unknown conditional: 44, unknown unconditional: 1629] , Statistics on independence cache: Total cache size (in pairs): 1673, Positive cache size: 1598, Positive conditional cache size: 18, Positive unconditional cache size: 1580, Negative cache size: 75, Negative conditional cache size: 26, Negative unconditional cache size: 49, Eliminated conditions: 5082, Maximal queried relation: 5, Independence queries for same thread: 59 - 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 18:59:59,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:59:59,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a --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 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 19:00:02,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 19:00:02,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 19:00:02,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 19:00:02,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 19:00:02,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 19:00:02,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 19:00:02,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 19:00:02,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 19:00:02,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 19:00:02,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 19:00:02,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 19:00:02,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 19:00:02,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 19:00:02,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 19:00:02,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 19:00:02,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 19:00:02,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 19:00:02,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 19:00:02,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 19:00:02,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 19:00:02,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 19:00:02,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 19:00:02,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 19:00:02,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 19:00:02,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 19:00:02,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 19:00:02,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 19:00:02,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 19:00:02,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 19:00:02,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 19:00:02,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 19:00:02,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 19:00:02,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 19:00:02,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 19:00:02,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 19:00:02,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 19:00:02,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 19:00:02,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 19:00:02,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 19:00:02,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 19:00:02,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-13 19:00:02,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 19:00:02,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 19:00:02,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 19:00:02,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 19:00:02,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 19:00:02,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 19:00:02,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 19:00:02,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 19:00:02,374 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 19:00:02,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 19:00:02,375 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 19:00:02,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 19:00:02,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 19:00:02,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 19:00:02,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 19:00:02,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 19:00:02,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 19:00:02,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 19:00:02,378 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 19:00:02,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 19:00:02,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 19:00:02,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 19:00:02,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 19:00:02,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 19:00:02,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 19:00:02,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 19:00:02,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 19:00:02,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 19:00:02,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 19:00:02,381 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 19:00:02,381 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 19:00:02,381 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 19:00:02,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 19:00:02,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 19:00:02,382 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 19:00:02,382 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 19:00:02,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 19:00:02,383 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 [2021-11-13 19:00:02,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 19:00:02,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 19:00:02,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 19:00:02,825 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 19:00:02,827 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 19:00:02,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2021-11-13 19:00:02,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/data/876c5ea79/33b2457696614762b92af04879d9ffa6/FLAG76b6fbfe4 [2021-11-13 19:00:03,515 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 19:00:03,516 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2021-11-13 19:00:03,543 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/data/876c5ea79/33b2457696614762b92af04879d9ffa6/FLAG76b6fbfe4 [2021-11-13 19:00:03,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/data/876c5ea79/33b2457696614762b92af04879d9ffa6 [2021-11-13 19:00:03,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 19:00:03,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 19:00:03,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 19:00:03,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 19:00:03,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 19:00:03,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:00:03" (1/1) ... [2021-11-13 19:00:03,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3d45ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:03, skipping insertion in model container [2021-11-13 19:00:03,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:00:03" (1/1) ... [2021-11-13 19:00:03,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 19:00:03,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 19:00:04,039 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_6305591e-fd3f-444c-9cb2-30c935571477/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i[959,972] [2021-11-13 19:00:04,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 19:00:04,416 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 19:00:04,436 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_6305591e-fd3f-444c-9cb2-30c935571477/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i[959,972] [2021-11-13 19:00:04,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 19:00:04,571 INFO L208 MainTranslator]: Completed translation [2021-11-13 19:00:04,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:04 WrapperNode [2021-11-13 19:00:04,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 19:00:04,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 19:00:04,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 19:00:04,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 19:00:04,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:04" (1/1) ... [2021-11-13 19:00:04,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:04" (1/1) ... [2021-11-13 19:00:04,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 19:00:04,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 19:00:04,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 19:00:04,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 19:00:04,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:04" (1/1) ... [2021-11-13 19:00:04,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:04" (1/1) ... [2021-11-13 19:00:04,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:04" (1/1) ... [2021-11-13 19:00:04,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:04" (1/1) ... [2021-11-13 19:00:04,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:04" (1/1) ... [2021-11-13 19:00:04,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:04" (1/1) ... [2021-11-13 19:00:04,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:04" (1/1) ... [2021-11-13 19:00:04,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 19:00:04,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 19:00:04,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 19:00:04,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 19:00:04,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:04" (1/1) ... [2021-11-13 19:00:04,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 19:00:04,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:04,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 19:00:04,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 19:00:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 19:00:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 19:00:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 19:00:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 19:00:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 19:00:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-13 19:00:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-13 19:00:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-13 19:00:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-13 19:00:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-13 19:00:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-13 19:00:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 19:00:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 19:00:04,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 19:00:04,879 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 19:00:06,274 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 19:00:06,275 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 19:00:06,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 07:00:06 BoogieIcfgContainer [2021-11-13 19:00:06,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 19:00:06,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 19:00:06,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 19:00:06,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 19:00:06,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 07:00:03" (1/3) ... [2021-11-13 19:00:06,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b644a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 07:00:06, skipping insertion in model container [2021-11-13 19:00:06,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:04" (2/3) ... [2021-11-13 19:00:06,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b644a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 07:00:06, skipping insertion in model container [2021-11-13 19:00:06,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 07:00:06" (3/3) ... [2021-11-13 19:00:06,289 INFO L111 eAbstractionObserver]: Analyzing ICFG safe021_power.opt_pso.opt.i [2021-11-13 19:00:06,300 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 19:00:06,324 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 19:00:06,324 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 19:00:06,325 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 19:00:06,372 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,372 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,373 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,373 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,373 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,373 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,374 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,374 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,374 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,375 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,375 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,375 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,376 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,376 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,376 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,377 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,377 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,377 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,378 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,378 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,379 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,379 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,380 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,381 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,381 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,381 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,382 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,386 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,386 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,386 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,387 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,387 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,387 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,387 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,388 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,388 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,389 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,389 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,389 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,389 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,389 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,390 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,390 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,391 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,391 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,391 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,391 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,392 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,392 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,392 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,392 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,393 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,393 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,393 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,393 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,394 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,394 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,394 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,395 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,395 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,395 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,395 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,396 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,396 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,396 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,396 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,397 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,397 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,398 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,401 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,402 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,402 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,403 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,409 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,410 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,410 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,411 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,411 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,417 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,419 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,420 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,420 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,420 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,421 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,422 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,422 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,422 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,422 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,423 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,423 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,424 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,424 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,424 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,424 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,425 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,425 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,425 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,425 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,426 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,426 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,426 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,427 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 19:00:06,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 19:00:06,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:06,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 19:00:06,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-13 19:00:06,542 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-13 19:00:06,550 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 [2021-11-13 19:00:06,550 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-13 19:00:06,729 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,736 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,776 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,788 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,809 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,809 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,810 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,810 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,810 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,810 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,811 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,811 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,811 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,813 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,813 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,813 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,814 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,814 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,865 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,865 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,866 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,866 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,867 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,867 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,868 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,868 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,869 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,869 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,869 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,871 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,871 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,872 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,909 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,909 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,910 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,910 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,910 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,910 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,911 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,911 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,911 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,912 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,912 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,912 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,913 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,913 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:06,970 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 19:00:06,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:06,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1035859375, now seen corresponding path program 1 times [2021-11-13 19:00:06,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 19:00:06,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120081872] [2021-11-13 19:00:06,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:06,996 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 19:00:06,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 19:00:06,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 19:00:07,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 19:00:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:07,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 19:00:07,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:07,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:07,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:07,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:07,579 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 19:00:07,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120081872] [2021-11-13 19:00:07,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120081872] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:07,580 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:07,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 19:00:07,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656924995] [2021-11-13 19:00:07,583 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:07,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 19:00:07,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 19:00:07,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 19:00:07,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 19:00:07,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:07,614 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:07,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:07,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:07,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:07,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 19:00:07,872 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 19:00:07,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:07,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1795715783, now seen corresponding path program 1 times [2021-11-13 19:00:07,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 19:00:07,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293321551] [2021-11-13 19:00:07,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:07,874 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 19:00:07,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 19:00:07,882 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 19:00:07,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 19:00:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:08,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 19:00:08,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:08,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:08,685 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 19:00:08,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293321551] [2021-11-13 19:00:08,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293321551] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:08,686 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:08,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7 [2021-11-13 19:00:08,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127854231] [2021-11-13 19:00:08,687 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:08,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 19:00:08,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 19:00:08,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 19:00:08,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-13 19:00:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:08,690 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:08,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 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) [2021-11-13 19:00:08,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:08,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:08,790 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,800 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,809 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,819 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,821 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,857 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,858 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,879 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,923 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,933 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,958 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,959 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,959 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,960 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,960 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,960 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,961 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,961 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,961 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,962 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,962 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,962 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,963 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,963 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,988 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_175 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,989 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,989 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,989 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,990 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,990 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,990 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,991 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,991 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,991 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,992 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,992 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,992 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:08,993 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:09,077 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:09,078 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:09,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:09,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:09,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:09,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 19:00:09,374 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 19:00:09,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:09,374 INFO L85 PathProgramCache]: Analyzing trace with hash -740147334, now seen corresponding path program 1 times [2021-11-13 19:00:09,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 19:00:09,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565213816] [2021-11-13 19:00:09,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:09,376 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 19:00:09,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 19:00:09,377 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 19:00:09,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 19:00:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:09,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 19:00:09,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:09,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:10,362 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 19:00:10,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565213816] [2021-11-13 19:00:10,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1565213816] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:10,363 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:10,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 6 [2021-11-13 19:00:10,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510792448] [2021-11-13 19:00:10,363 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:10,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:00:10,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 19:00:10,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:00:10,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:00:10,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:10,365 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:10,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:10,407 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:10,408 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:10,421 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:10,422 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:10,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:10,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:10,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:10,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 19:00:10,718 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 19:00:10,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:10,719 INFO L85 PathProgramCache]: Analyzing trace with hash 464971393, now seen corresponding path program 1 times [2021-11-13 19:00:10,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 19:00:10,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798701187] [2021-11-13 19:00:10,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:10,720 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 19:00:10,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 19:00:10,724 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 19:00:10,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 19:00:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:10,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 19:00:10,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:11,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:11,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:11,439 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 19:00:11,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798701187] [2021-11-13 19:00:11,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798701187] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:11,440 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:11,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 11 [2021-11-13 19:00:11,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717597] [2021-11-13 19:00:11,441 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:11,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 19:00:11,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 19:00:11,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 19:00:11,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-13 19:00:11,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:11,446 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:11,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 11 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:11,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:11,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:11,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:11,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:11,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 19:00:11,862 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 19:00:11,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:11,862 INFO L85 PathProgramCache]: Analyzing trace with hash -658848818, now seen corresponding path program 1 times [2021-11-13 19:00:11,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 19:00:11,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249921463] [2021-11-13 19:00:11,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:11,863 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 19:00:11,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 19:00:11,864 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 19:00:11,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 19:00:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:12,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 19:00:12,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:12,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:12,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:12,618 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 19:00:12,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249921463] [2021-11-13 19:00:12,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249921463] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:12,619 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:12,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-13 19:00:12,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799005230] [2021-11-13 19:00:12,620 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:12,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 19:00:12,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 19:00:12,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 19:00:12,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-13 19:00:12,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:12,625 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:12,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 12 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:12,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:12,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:12,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:12,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:12,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:12,828 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:12,829 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:12,854 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:12,870 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:12,877 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:12,897 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,045 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,053 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,058 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,066 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,078 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,079 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,099 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,100 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,109 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,109 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,123 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,124 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,149 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,150 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,204 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,205 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,223 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,232 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,248 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,255 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:13,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-13 19:00:13,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 19:00:13,521 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 19:00:13,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:13,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1315712882, now seen corresponding path program 2 times [2021-11-13 19:00:13,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 19:00:13,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313877944] [2021-11-13 19:00:13,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:00:13,523 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 19:00:13,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 19:00:13,524 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 19:00:13,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 19:00:13,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 19:00:13,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:13,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-13 19:00:13,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:14,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:16,371 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 19:00:16,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313877944] [2021-11-13 19:00:16,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313877944] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:16,372 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:16,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 13] imperfect sequences [] total 19 [2021-11-13 19:00:16,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279459813] [2021-11-13 19:00:16,372 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:16,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-13 19:00:16,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 19:00:16,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-13 19:00:16,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2021-11-13 19:00:16,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:16,374 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:16,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.052631578947368) internal successors, (115), 19 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:16,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:16,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:16,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:16,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:16,479 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:16,506 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:16,507 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:16,636 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:16,637 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:16,668 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:16,669 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:16,689 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:16,690 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:16,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:00:16,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:16,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 19:00:16,948 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 19:00:16,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:16,949 INFO L85 PathProgramCache]: Analyzing trace with hash 263241546, now seen corresponding path program 3 times [2021-11-13 19:00:16,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 19:00:16,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745910342] [2021-11-13 19:00:16,950 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 19:00:16,950 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 19:00:16,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 19:00:16,951 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 19:00:16,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 19:00:17,168 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-13 19:00:17,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 19:00:17,168 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 19:00:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 19:00:17,544 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-13 19:00:17,544 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 19:00:17,545 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-13 19:00:17,547 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-13 19:00:17,547 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-13 19:00:17,548 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-13 19:00:17,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:17,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 19:00:17,774 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2021-11-13 19:00:17,775 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2021-11-13 19:00:17,780 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 19:00:17,780 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 19:00:17,921 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 19:00:17,926 INFO L158 Benchmark]: Toolchain (without parser) took 14148.97ms. Allocated memory was 58.7MB in the beginning and 182.5MB in the end (delta: 123.7MB). Free memory was 35.0MB in the beginning and 108.1MB in the end (delta: -73.2MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2021-11-13 19:00:17,928 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 19:00:17,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.00ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 34.7MB in the beginning and 45.5MB in the end (delta: -10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 19:00:17,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.60ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 42.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 19:00:17,932 INFO L158 Benchmark]: Boogie Preprocessor took 89.08ms. Allocated memory is still 75.5MB. Free memory was 42.4MB in the beginning and 40.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 19:00:17,932 INFO L158 Benchmark]: RCFGBuilder took 1509.92ms. Allocated memory is still 75.5MB. Free memory was 40.0MB in the beginning and 34.1MB in the end (delta: 5.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-11-13 19:00:17,935 INFO L158 Benchmark]: TraceAbstraction took 11643.05ms. Allocated memory was 75.5MB in the beginning and 182.5MB in the end (delta: 107.0MB). Free memory was 33.3MB in the beginning and 108.1MB in the end (delta: -74.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2021-11-13 19:00:17,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 794.00ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 34.7MB in the beginning and 45.5MB in the end (delta: -10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.60ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 42.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.08ms. Allocated memory is still 75.5MB. Free memory was 42.4MB in the beginning and 40.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1509.92ms. Allocated memory is still 75.5MB. Free memory was 40.0MB in the beginning and 34.1MB in the end (delta: 5.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11643.05ms. Allocated memory was 75.5MB in the beginning and 182.5MB in the end (delta: 107.0MB). Free memory was 33.3MB in the beginning and 108.1MB in the end (delta: -74.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7247, positive: 6983, positive conditional: 5488, positive unconditional: 1495, negative: 264, negative conditional: 225, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7190, positive: 6983, positive conditional: 5488, positive unconditional: 1495, negative: 207, negative conditional: 168, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7190, positive: 6983, positive conditional: 5488, positive unconditional: 1495, negative: 207, negative conditional: 168, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8261, positive: 6983, positive conditional: 5189, positive unconditional: 1794, negative: 1278, negative conditional: 1071, negative unconditional: 207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8261, positive: 6983, positive conditional: 1346, positive unconditional: 5637, negative: 1278, negative conditional: 111, negative unconditional: 1167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8261, positive: 6983, positive conditional: 1346, positive unconditional: 5637, negative: 1278, negative conditional: 111, negative unconditional: 1167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1560, positive: 1511, positive conditional: 16, positive unconditional: 1495, negative: 49, negative conditional: 8, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1560, positive: 1489, positive conditional: 0, positive unconditional: 1489, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 22, positive conditional: 16, positive unconditional: 6, negative: 49, negative conditional: 8, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 895, positive: 133, positive conditional: 117, positive unconditional: 16, negative: 762, negative conditional: 76, negative unconditional: 686, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8261, positive: 5472, positive conditional: 1330, positive unconditional: 4142, negative: 1229, negative conditional: 103, negative unconditional: 1126, unknown: 1560, unknown conditional: 24, unknown unconditional: 1536] , Statistics on independence cache: Total cache size (in pairs): 1560, Positive cache size: 1511, Positive conditional cache size: 16, Positive unconditional cache size: 1495, Negative cache size: 49, Negative conditional cache size: 8, Negative unconditional cache size: 41, Eliminated conditions: 4803, Maximal queried relation: 5, Independence queries for same thread: 57 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 807.63ms, Number of persistent set computation: 558, Number of trivial persistent sets: 321, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1534, positive: 1495, positive conditional: 0, positive unconditional: 1495, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7247, positive: 6983, positive conditional: 5488, positive unconditional: 1495, negative: 264, negative conditional: 225, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7190, positive: 6983, positive conditional: 5488, positive unconditional: 1495, negative: 207, negative conditional: 168, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7190, positive: 6983, positive conditional: 5488, positive unconditional: 1495, negative: 207, negative conditional: 168, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8261, positive: 6983, positive conditional: 5189, positive unconditional: 1794, negative: 1278, negative conditional: 1071, negative unconditional: 207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8261, positive: 6983, positive conditional: 1346, positive unconditional: 5637, negative: 1278, negative conditional: 111, negative unconditional: 1167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8261, positive: 6983, positive conditional: 1346, positive unconditional: 5637, negative: 1278, negative conditional: 111, negative unconditional: 1167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1560, positive: 1511, positive conditional: 16, positive unconditional: 1495, negative: 49, negative conditional: 8, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1560, positive: 1489, positive conditional: 0, positive unconditional: 1489, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 22, positive conditional: 16, positive unconditional: 6, negative: 49, negative conditional: 8, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 895, positive: 133, positive conditional: 117, positive unconditional: 16, negative: 762, negative conditional: 76, negative unconditional: 686, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8261, positive: 5472, positive conditional: 1330, positive unconditional: 4142, negative: 1229, negative conditional: 103, negative unconditional: 1126, unknown: 1560, unknown conditional: 24, unknown unconditional: 1536] , Statistics on independence cache: Total cache size (in pairs): 1560, Positive cache size: 1511, Positive conditional cache size: 16, Positive unconditional cache size: 1495, Negative cache size: 49, Negative conditional cache size: 8, Negative unconditional cache size: 41, Eliminated conditions: 4803, Maximal queried relation: 5, Independence queries for same thread: 57 - 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 19:00:17,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:18,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6305591e-fd3f-444c-9cb2-30c935571477/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null