./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro --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 8435b51fcccee12d993f927a9d731b8021732db075e0a1f206d55477dc037f81 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 18:49:52,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:49:52,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:49:52,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:49:52,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:49:52,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:49:52,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:49:52,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:49:52,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:49:52,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:49:52,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:49:52,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:49:52,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:49:52,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:49:52,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:49:52,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:49:52,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:49:52,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:49:52,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:49:52,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:49:52,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:49:52,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:49:52,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:49:52,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:49:52,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:49:52,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:49:52,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:49:52,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:49:52,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:49:52,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:49:52,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:49:52,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:49:52,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:49:52,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:49:52,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:49:52,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:49:52,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:49:52,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:49:52,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:49:52,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:49:52,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:49:52,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 18:49:52,474 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:49:52,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:49:52,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:49:52,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:49:52,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:49:52,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:49:52,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:49:52,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:49:52,479 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:49:52,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:49:52,480 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:49:52,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:49:52,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:49:52,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:49:52,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:49:52,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:49:52,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:49:52,482 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:49:52,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:49:52,483 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:49:52,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:49:52,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:49:52,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:49:52,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:49:52,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:49:52,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:49:52,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:49:52,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:49:52,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:49:52,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:49:52,487 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:49:52,487 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:49:52,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:49:52,488 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_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8435b51fcccee12d993f927a9d731b8021732db075e0a1f206d55477dc037f81 [2022-11-18 18:49:52,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:49:52,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:49:52,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:49:52,901 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:49:52,902 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:49:52,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/eca-rers2012/Problem08_label12.c [2022-11-18 18:49:52,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/data/8b351e974/b18f79be80ab43c68e3e21a991e3d1d4/FLAG16aabac8d [2022-11-18 18:49:56,306 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:49:56,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/sv-benchmarks/c/eca-rers2012/Problem08_label12.c [2022-11-18 18:49:56,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/data/8b351e974/b18f79be80ab43c68e3e21a991e3d1d4/FLAG16aabac8d [2022-11-18 18:49:56,829 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/data/8b351e974/b18f79be80ab43c68e3e21a991e3d1d4 [2022-11-18 18:49:56,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:49:56,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:49:56,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:49:56,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:49:56,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:49:56,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:49:56" (1/1) ... [2022-11-18 18:49:56,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f9f03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:49:56, skipping insertion in model container [2022-11-18 18:49:56,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:49:56" (1/1) ... [2022-11-18 18:49:56,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:49:58,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:50:25,534 WARN L234 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_621ba11f-fe81-494a-bcad-3a483dd7fec8/sv-benchmarks/c/eca-rers2012/Problem08_label12.c[5713213,5713226] [2022-11-18 18:50:25,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:50:25,778 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:50:40,367 WARN L234 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_621ba11f-fe81-494a-bcad-3a483dd7fec8/sv-benchmarks/c/eca-rers2012/Problem08_label12.c[5713213,5713226] [2022-11-18 18:50:40,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:50:46,067 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:50:46,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46 WrapperNode [2022-11-18 18:50:46,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:50:46,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:50:46,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:50:46,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:50:46,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46" (1/1) ... [2022-11-18 18:50:47,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46" (1/1) ... [2022-11-18 18:50:52,596 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2022-11-18 18:50:52,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:50:52,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:50:52,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:50:52,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:50:52,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46" (1/1) ... [2022-11-18 18:50:52,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46" (1/1) ... [2022-11-18 18:50:53,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46" (1/1) ... [2022-11-18 18:50:53,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46" (1/1) ... [2022-11-18 18:50:56,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46" (1/1) ... [2022-11-18 18:50:57,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46" (1/1) ... [2022-11-18 18:50:57,767 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46" (1/1) ... [2022-11-18 18:50:57,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46" (1/1) ... [2022-11-18 18:50:58,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:50:58,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:50:58,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:50:58,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:50:58,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46" (1/1) ... [2022-11-18 18:50:58,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:50:58,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:50:58,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:50:58,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_621ba11f-fe81-494a-bcad-3a483dd7fec8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:50:59,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:50:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:50:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:50:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:50:59,261 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:50:59,263 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:52:36,735 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:52:36,831 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:52:36,831 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 18:52:36,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:52:36 BoogieIcfgContainer [2022-11-18 18:52:36,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:52:36,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:52:36,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:52:36,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:52:36,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:49:56" (1/3) ... [2022-11-18 18:52:36,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dea1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:52:36, skipping insertion in model container [2022-11-18 18:52:36,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:50:46" (2/3) ... [2022-11-18 18:52:36,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dea1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:52:36, skipping insertion in model container [2022-11-18 18:52:36,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:52:36" (3/3) ... [2022-11-18 18:52:36,866 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem08_label12.c [2022-11-18 18:52:36,892 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:52:36,893 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:52:37,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:52:37,250 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d31d66c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:52:37,250 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:52:37,316 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)