./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b19a6e04371a9a0685451c11d77cc5cbe303ff20f81dbf1823f637698e7ac819 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:55:04,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:55:04,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:55:04,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:55:04,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:55:04,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:55:04,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:55:04,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:55:04,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:55:04,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:55:04,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:55:04,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:55:04,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:55:04,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:55:04,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:55:04,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:55:04,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:55:04,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:55:04,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:55:04,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:55:04,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:55:04,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:55:04,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:55:04,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:55:04,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:55:04,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:55:04,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:55:04,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:55:04,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:55:04,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:55:04,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:55:04,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:55:04,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:55:04,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:55:04,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:55:04,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:55:04,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:55:04,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:55:04,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:55:04,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:55:04,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:55:04,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 14:55:04,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:55:04,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:55:04,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:55:04,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:55:04,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:55:04,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:55:04,414 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:55:04,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:55:04,415 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:55:04,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:55:04,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:55:04,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:55:04,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:55:04,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:55:04,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:55:04,417 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:55:04,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:55:04,418 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:55:04,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:55:04,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:55:04,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:55:04,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:55:04,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:55:04,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:55:04,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:55:04,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:55:04,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:55:04,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:55:04,420 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:55:04,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:55:04,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:55:04,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:55:04,423 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_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b19a6e04371a9a0685451c11d77cc5cbe303ff20f81dbf1823f637698e7ac819 [2021-11-22 14:55:04,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:55:04,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:55:04,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:55:04,706 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:55:04,706 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:55:04,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/eca-programs/Problem102_label12.c [2021-11-22 14:55:04,798 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/data/078a42c9f/cc9f70a2f1924f2c89afe8c2d878d232/FLAGbd93924b6 [2021-11-22 14:55:08,426 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:55:08,427 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/sv-benchmarks/c/eca-programs/Problem102_label12.c [2021-11-22 14:55:08,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/data/078a42c9f/cc9f70a2f1924f2c89afe8c2d878d232/FLAGbd93924b6 [2021-11-22 14:55:09,265 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/data/078a42c9f/cc9f70a2f1924f2c89afe8c2d878d232 [2021-11-22 14:55:09,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:55:09,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:55:09,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:55:09,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:55:09,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:55:09,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:55:09" (1/1) ... [2021-11-22 14:55:09,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c1f691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:09, skipping insertion in model container [2021-11-22 14:55:09,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:55:09" (1/1) ... [2021-11-22 14:55:09,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:55:10,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:55:36,660 WARN L230 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_28d51441-b6ac-43a0-8dc2-debe534ad4ae/sv-benchmarks/c/eca-programs/Problem102_label12.c[5712898,5712911] [2021-11-22 14:55:36,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:55:36,801 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:55:50,624 WARN L230 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_28d51441-b6ac-43a0-8dc2-debe534ad4ae/sv-benchmarks/c/eca-programs/Problem102_label12.c[5712898,5712911] [2021-11-22 14:55:50,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:55:55,561 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:55:55,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:55 WrapperNode [2021-11-22 14:55:55,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:55:55,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:55:55,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:55:55,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:55:55,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:55" (1/1) ... [2021-11-22 14:55:56,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:55" (1/1) ... [2021-11-22 14:56:01,526 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2021-11-22 14:56:01,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:56:01,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:56:01,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:56:01,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:56:01,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:55" (1/1) ... [2021-11-22 14:56:01,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:55" (1/1) ... [2021-11-22 14:56:02,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:55" (1/1) ... [2021-11-22 14:56:02,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:55" (1/1) ... [2021-11-22 14:56:05,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:55" (1/1) ... [2021-11-22 14:56:05,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:55" (1/1) ... [2021-11-22 14:56:06,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:55" (1/1) ... [2021-11-22 14:56:07,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:56:07,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:56:07,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:56:07,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:56:07,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:55" (1/1) ... [2021-11-22 14:56:07,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:56:07,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:07,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:07,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d51441-b6ac-43a0-8dc2-debe534ad4ae/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:56:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:56:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:56:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:56:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:56:07,837 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:56:07,839 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:57:12,747 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:57:12,852 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:57:12,852 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 14:57:12,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:57:12 BoogieIcfgContainer [2021-11-22 14:57:12,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:57:12,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:57:12,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:57:12,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:57:12,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:55:09" (1/3) ... [2021-11-22 14:57:12,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea725c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:57:12, skipping insertion in model container [2021-11-22 14:57:12,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:55:55" (2/3) ... [2021-11-22 14:57:12,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea725c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:57:12, skipping insertion in model container [2021-11-22 14:57:12,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:57:12" (3/3) ... [2021-11-22 14:57:12,888 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem102_label12.c [2021-11-22 14:57:12,894 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:57:12,894 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 14:57:13,033 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:57:13,044 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 14:57:13,044 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 14:57:13,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 23215 states, 23213 states have (on average 1.8828673588075646) internal successors, (43707), 23214 states have internal predecessors, (43707), 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)