./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8 --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 64cf69862103028cc5e8a34caf260d35fd4a36af178cc669e118ca08c95473d3 --- 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-e04fb08 [2022-11-16 11:49:58,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:49:58,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:49:58,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:49:58,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:49:58,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:49:58,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:49:58,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:49:58,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:49:58,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:49:58,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:49:58,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:49:58,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:49:58,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:49:58,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:49:58,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:49:58,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:49:58,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:49:58,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:49:58,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:49:58,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:49:58,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:49:58,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:49:58,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:49:58,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:49:58,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:49:58,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:49:58,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:49:58,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:49:58,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:49:58,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:49:58,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:49:58,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:49:58,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:49:58,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:49:58,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:49:58,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:49:58,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:49:58,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:49:58,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:49:58,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:49:58,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:49:58,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:49:58,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:49:58,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:49:58,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:49:58,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:49:58,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:49:58,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:49:58,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:49:58,377 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:49:58,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:49:58,379 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:49:58,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:49:58,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:49:58,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:49:58,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:49:58,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:49:58,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:49:58,381 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:49:58,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:49:58,381 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:49:58,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:49:58,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:49:58,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:49:58,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:49:58,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:49:58,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:49:58,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:49:58,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:49:58,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:49:58,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:49:58,391 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:49:58,391 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:49:58,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:49:58,392 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_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64cf69862103028cc5e8a34caf260d35fd4a36af178cc669e118ca08c95473d3 [2022-11-16 11:49:58,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:49:58,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:49:58,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:49:58,691 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:49:58,691 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:49:58,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/eca-rers2012/Problem09_label02.c [2022-11-16 11:49:58,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/data/51f15e903/d998cd01c17a4b598c64129d0c02a9be/FLAG7bef8f085 [2022-11-16 11:50:02,733 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:50:02,733 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/sv-benchmarks/c/eca-rers2012/Problem09_label02.c [2022-11-16 11:50:03,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/data/51f15e903/d998cd01c17a4b598c64129d0c02a9be/FLAG7bef8f085 [2022-11-16 11:50:03,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/data/51f15e903/d998cd01c17a4b598c64129d0c02a9be [2022-11-16 11:50:03,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:50:03,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:50:03,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:50:03,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:50:03,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:50:03,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a489f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:03, skipping insertion in model container [2022-11-16 11:50:03,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:50:03" (1/1) ... [2022-11-16 11:50:03,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:50:04,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:50:31,241 WARN L229 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_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/sv-benchmarks/c/eca-rers2012/Problem09_label02.c[6302700,6302713] [2022-11-16 11:50:31,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:50:31,371 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:50:46,861 WARN L229 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_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/sv-benchmarks/c/eca-rers2012/Problem09_label02.c[6302700,6302713] [2022-11-16 11:50:46,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:50:52,119 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:50:52,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52 WrapperNode [2022-11-16 11:50:52,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:50:52,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:50:52,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:50:52,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:50:52,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52" (1/1) ... [2022-11-16 11:50:53,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52" (1/1) ... [2022-11-16 11:50:58,369 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197818 [2022-11-16 11:50:58,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:50:58,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:50:58,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:50:58,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:50:58,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52" (1/1) ... [2022-11-16 11:50:58,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52" (1/1) ... [2022-11-16 11:50:59,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52" (1/1) ... [2022-11-16 11:50:59,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52" (1/1) ... [2022-11-16 11:51:02,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52" (1/1) ... [2022-11-16 11:51:02,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52" (1/1) ... [2022-11-16 11:51:03,046 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52" (1/1) ... [2022-11-16 11:51:03,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52" (1/1) ... [2022-11-16 11:51:03,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:51:03,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:51:03,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:51:03,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:51:03,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52" (1/1) ... [2022-11-16 11:51:03,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:51:03,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:04,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:04,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340cbb0a-65bf-469d-a3cd-7dcd72c4bd7d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:51:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:51:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:51:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:51:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:51:04,243 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:51:04,245 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:52:44,590 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:52:44,681 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:52:44,682 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:52:44,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:52:44 BoogieIcfgContainer [2022-11-16 11:52:44,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:52:44,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:52:44,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:52:44,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:52:44,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:50:03" (1/3) ... [2022-11-16 11:52:44,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a631ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:44, skipping insertion in model container [2022-11-16 11:52:44,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:52" (2/3) ... [2022-11-16 11:52:44,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a631ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:44, skipping insertion in model container [2022-11-16 11:52:44,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:52:44" (3/3) ... [2022-11-16 11:52:44,715 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem09_label02.c [2022-11-16 11:52:44,736 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:52:44,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:52:45,051 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:52:45,058 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;@4d42f630, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:52:45,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:52:45,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 20356 states, 20354 states have (on average 1.902525302151911) internal successors, (38724), 20355 states have internal predecessors, (38724), 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)