./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem103_label53.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_e0c2fef4-9440-4b5f-ab20-b68ac549d880/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/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_e0c2fef4-9440-4b5f-ab20-b68ac549d880/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem103_label53.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/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_e0c2fef4-9440-4b5f-ab20-b68ac549d880/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 6b2698af1c56681d8affa5c32e6cf4e8581c6b7fdca179882c2fae5f98897b54 --- 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 11:53:28,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:53:28,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:53:28,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:53:28,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:53:28,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:53:28,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:53:28,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:53:28,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:53:28,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:53:28,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:53:28,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:53:28,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:53:28,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:53:28,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:53:28,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:53:28,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:53:28,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:53:28,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:53:28,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:53:28,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:53:28,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:53:28,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:53:28,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:53:28,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:53:28,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:53:28,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:53:28,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:53:28,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:53:28,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:53:28,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:53:28,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:53:28,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:53:28,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:53:28,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:53:28,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:53:28,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:53:28,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:53:28,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:53:28,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:53:28,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:53:28,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:53:28,199 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:53:28,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:53:28,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:53:28,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:53:28,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:53:28,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:53:28,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:53:28,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:53:28,203 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:53:28,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:53:28,203 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:53:28,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:53:28,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:53:28,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:53:28,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:53:28,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:53:28,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:53:28,205 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:53:28,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:53:28,205 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:53:28,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:53:28,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:53:28,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:53:28,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:53:28,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:53:28,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:53:28,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:53:28,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:53:28,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:53:28,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:53:28,208 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:53:28,208 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:53:28,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:53:28,209 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_e0c2fef4-9440-4b5f-ab20-b68ac549d880/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b2698af1c56681d8affa5c32e6cf4e8581c6b7fdca179882c2fae5f98897b54 [2022-11-16 11:53:28,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:53:28,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:53:28,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:53:28,523 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:53:28,524 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:53:28,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/eca-programs/Problem103_label53.c [2022-11-16 11:53:28,585 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/bin/uautomizer-tPACEb0tL8/data/3502b19d4/467d8317c9e04cd29bc89bccc691595d/FLAG91e875dd1 [2022-11-16 11:53:32,621 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:53:32,621 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/sv-benchmarks/c/eca-programs/Problem103_label53.c [2022-11-16 11:53:33,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/bin/uautomizer-tPACEb0tL8/data/3502b19d4/467d8317c9e04cd29bc89bccc691595d/FLAG91e875dd1 [2022-11-16 11:53:33,533 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/bin/uautomizer-tPACEb0tL8/data/3502b19d4/467d8317c9e04cd29bc89bccc691595d [2022-11-16 11:53:33,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:53:33,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:53:33,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:53:33,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:53:33,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:53:33,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:53:33" (1/1) ... [2022-11-16 11:53:33,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333d7772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:33, skipping insertion in model container [2022-11-16 11:53:33,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:53:33" (1/1) ... [2022-11-16 11:53:33,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:53:35,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:54:04,243 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_e0c2fef4-9440-4b5f-ab20-b68ac549d880/sv-benchmarks/c/eca-programs/Problem103_label53.c[6303606,6303619] [2022-11-16 11:54:04,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:54:04,384 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:54:20,397 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_e0c2fef4-9440-4b5f-ab20-b68ac549d880/sv-benchmarks/c/eca-programs/Problem103_label53.c[6303606,6303619] [2022-11-16 11:54:20,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:54:25,388 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:54:25,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25 WrapperNode [2022-11-16 11:54:25,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:54:25,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:54:25,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:54:25,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:54:25,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25" (1/1) ... [2022-11-16 11:54:26,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25" (1/1) ... [2022-11-16 11:54:32,247 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197824 [2022-11-16 11:54:32,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:54:32,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:54:32,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:54:32,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:54:32,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25" (1/1) ... [2022-11-16 11:54:32,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25" (1/1) ... [2022-11-16 11:54:33,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25" (1/1) ... [2022-11-16 11:54:33,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25" (1/1) ... [2022-11-16 11:54:35,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25" (1/1) ... [2022-11-16 11:54:35,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25" (1/1) ... [2022-11-16 11:54:36,840 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25" (1/1) ... [2022-11-16 11:54:36,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25" (1/1) ... [2022-11-16 11:54:37,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:54:37,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:54:37,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:54:37,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:54:37,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25" (1/1) ... [2022-11-16 11:54:37,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:54:37,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:54:37,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:54:37,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c2fef4-9440-4b5f-ab20-b68ac549d880/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:54:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:54:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:54:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:54:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:54:37,980 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:54:37,982 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:56:19,599 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:56:19,697 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:56:19,697 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:56:19,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:56:19 BoogieIcfgContainer [2022-11-16 11:56:19,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:56:19,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:56:19,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:56:19,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:56:19,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:53:33" (1/3) ... [2022-11-16 11:56:19,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576a158d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:56:19, skipping insertion in model container [2022-11-16 11:56:19,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:25" (2/3) ... [2022-11-16 11:56:19,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576a158d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:56:19, skipping insertion in model container [2022-11-16 11:56:19,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:56:19" (3/3) ... [2022-11-16 11:56:19,740 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem103_label53.c [2022-11-16 11:56:19,762 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:56:19,762 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:56:20,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:56:20,083 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;@18a98767, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:56:20,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:56:20,137 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)