./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label41.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc --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 ef59e7e1cbe8379c163d4c3adb9fd4e1e465174fb3d4c8eceb931dd1fbd56169 --- 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-5e519f3 [2022-11-02 20:43:54,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:43:54,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:43:54,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:43:54,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:43:54,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:43:54,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:43:54,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:43:54,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:43:54,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:43:54,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:43:54,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:43:54,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:43:54,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:43:54,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:43:54,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:43:54,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:43:54,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:43:54,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:43:54,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:43:54,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:43:54,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:43:54,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:43:54,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:43:54,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:43:54,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:43:54,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:43:54,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:43:54,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:43:54,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:43:54,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:43:54,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:43:54,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:43:54,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:43:54,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:43:54,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:43:54,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:43:54,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:43:54,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:43:54,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:43:54,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:43:54,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:43:54,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:43:54,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:43:54,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:43:54,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:43:54,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:43:54,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:43:54,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:43:54,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:43:54,192 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:43:54,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:43:54,192 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:43:54,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:43:54,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:43:54,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:43:54,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:43:54,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:43:54,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:43:54,194 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:43:54,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:43:54,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:43:54,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:43:54,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:43:54,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:43:54,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:43:54,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:43:54,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:43:54,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:43:54,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:43:54,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:43:54,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:43:54,197 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:43:54,198 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:43:54,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:43:54,198 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_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef59e7e1cbe8379c163d4c3adb9fd4e1e465174fb3d4c8eceb931dd1fbd56169 [2022-11-02 20:43:54,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:43:54,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:43:54,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:43:54,485 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:43:54,486 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:43:54,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/eca-programs/Problem102_label41.c [2022-11-02 20:43:54,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/data/cbf200356/482f5302b66542d9ae67e6f311e3f101/FLAGd755a48aa [2022-11-02 20:43:58,713 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:43:58,713 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/sv-benchmarks/c/eca-programs/Problem102_label41.c [2022-11-02 20:43:58,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/data/cbf200356/482f5302b66542d9ae67e6f311e3f101/FLAGd755a48aa [2022-11-02 20:43:59,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/data/cbf200356/482f5302b66542d9ae67e6f311e3f101 [2022-11-02 20:43:59,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:43:59,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:43:59,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:43:59,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:43:59,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:43:59,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:43:59" (1/1) ... [2022-11-02 20:43:59,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3766575d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:59, skipping insertion in model container [2022-11-02 20:43:59,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:43:59" (1/1) ... [2022-11-02 20:43:59,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:44:00,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:44:26,313 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_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/sv-benchmarks/c/eca-programs/Problem102_label41.c[5712393,5712406] [2022-11-02 20:44:26,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:44:26,453 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:44:40,498 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_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/sv-benchmarks/c/eca-programs/Problem102_label41.c[5712393,5712406] [2022-11-02 20:44:40,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:44:45,811 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:44:45,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45 WrapperNode [2022-11-02 20:44:45,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:44:45,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:44:45,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:44:45,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:44:45,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45" (1/1) ... [2022-11-02 20:44:47,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45" (1/1) ... [2022-11-02 20:44:51,835 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2022-11-02 20:44:51,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:44:51,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:44:51,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:44:51,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:44:51,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45" (1/1) ... [2022-11-02 20:44:51,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45" (1/1) ... [2022-11-02 20:44:53,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45" (1/1) ... [2022-11-02 20:44:53,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45" (1/1) ... [2022-11-02 20:44:55,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45" (1/1) ... [2022-11-02 20:44:56,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45" (1/1) ... [2022-11-02 20:44:56,594 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45" (1/1) ... [2022-11-02 20:44:56,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45" (1/1) ... [2022-11-02 20:44:57,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:44:57,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:44:57,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:44:57,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:44:57,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45" (1/1) ... [2022-11-02 20:44:57,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:44:57,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:44:57,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:44:57,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c547ceb7-b2f8-42b1-98e7-53fc8e87824a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:44:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:44:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:44:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:44:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:44:57,718 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:44:57,720 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:46:25,112 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:46:25,263 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:46:25,264 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:46:25,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:46:25 BoogieIcfgContainer [2022-11-02 20:46:25,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:46:25,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:46:25,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:46:25,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:46:25,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:43:59" (1/3) ... [2022-11-02 20:46:25,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2c4f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:46:25, skipping insertion in model container [2022-11-02 20:46:25,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:45" (2/3) ... [2022-11-02 20:46:25,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2c4f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:46:25, skipping insertion in model container [2022-11-02 20:46:25,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:46:25" (3/3) ... [2022-11-02 20:46:25,298 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem102_label41.c [2022-11-02 20:46:25,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:46:25,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:46:25,650 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:46:25,669 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;@753bdaec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:46:25,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:46:25,747 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)