./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-090.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_45c18ce4-0ae2-48d8-a534-9594f22179fe/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/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_45c18ce4-0ae2-48d8-a534-9594f22179fe/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-090.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/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_45c18ce4-0ae2-48d8-a534-9594f22179fe/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 20304bce4ef03ad5f89af075dd784b96ba9cf71cfbfba5148bc3262c1794dc0c --- 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 11:37:38,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:37:38,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:37:38,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:37:38,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:37:38,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:37:38,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:37:38,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:37:38,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:37:38,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:37:38,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:37:38,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:37:38,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:37:38,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:37:38,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:37:38,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:37:38,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:37:38,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:37:38,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:37:38,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:37:38,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:37:38,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:37:38,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:37:38,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:37:38,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:37:38,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:37:38,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:37:38,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:37:38,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:37:38,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:37:38,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:37:38,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:37:38,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:37:38,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:37:38,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:37:38,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:37:38,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:37:38,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:37:38,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:37:38,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:37:38,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:37:38,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:37:38,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:37:38,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:37:38,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:37:38,243 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:37:38,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:37:38,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:37:38,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:37:38,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:37:38,245 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:37:38,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:37:38,246 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:37:38,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:37:38,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:37:38,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:37:38,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:37:38,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:37:38,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:37:38,247 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:37:38,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:37:38,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:37:38,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:37:38,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:37:38,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:37:38,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:37:38,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:37:38,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:37:38,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:37:38,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:37:38,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:37:38,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:37:38,250 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:37:38,250 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:37:38,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:37:38,251 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_45c18ce4-0ae2-48d8-a534-9594f22179fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20304bce4ef03ad5f89af075dd784b96ba9cf71cfbfba5148bc3262c1794dc0c [2022-11-16 11:37:38,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:37:38,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:37:38,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:37:38,623 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:37:38,624 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:37:38,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/xcsp/Dubois-090.c [2022-11-16 11:37:38,701 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/bin/uautomizer-tPACEb0tL8/data/e71239669/76187b5abaa94c159999a8c17f681001/FLAG7dc224713 [2022-11-16 11:37:39,361 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:37:39,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/sv-benchmarks/c/xcsp/Dubois-090.c [2022-11-16 11:37:39,393 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/bin/uautomizer-tPACEb0tL8/data/e71239669/76187b5abaa94c159999a8c17f681001/FLAG7dc224713 [2022-11-16 11:37:39,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/bin/uautomizer-tPACEb0tL8/data/e71239669/76187b5abaa94c159999a8c17f681001 [2022-11-16 11:37:39,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:37:39,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:37:39,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:37:39,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:37:39,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:37:39,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:39" (1/1) ... [2022-11-16 11:37:39,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f68c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:39, skipping insertion in model container [2022-11-16 11:37:39,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:39" (1/1) ... [2022-11-16 11:37:39,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:37:39,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:37:40,426 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_45c18ce4-0ae2-48d8-a534-9594f22179fe/sv-benchmarks/c/xcsp/Dubois-090.c[64320,64333] [2022-11-16 11:37:40,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:40,567 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:37:40,758 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_45c18ce4-0ae2-48d8-a534-9594f22179fe/sv-benchmarks/c/xcsp/Dubois-090.c[64320,64333] [2022-11-16 11:37:40,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:40,896 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:37:40,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40 WrapperNode [2022-11-16 11:37:40,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:37:40,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:37:40,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:37:40,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:37:40,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2022-11-16 11:37:40,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2022-11-16 11:37:59,999 INFO L138 Inliner]: procedures = 13, calls = 727, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1817 [2022-11-16 11:37:59,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:38:00,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:38:00,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:38:00,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:38:00,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2022-11-16 11:38:00,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2022-11-16 11:38:07,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2022-11-16 11:38:07,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2022-11-16 11:38:17,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2022-11-16 11:38:17,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2022-11-16 11:38:18,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2022-11-16 11:38:18,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2022-11-16 11:38:23,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:38:23,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:38:23,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:38:23,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:38:23,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (1/1) ... [2022-11-16 11:38:23,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:38:23,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:38:23,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:38:23,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c18ce4-0ae2-48d8-a534-9594f22179fe/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:38:23,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:38:23,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:38:23,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:38:23,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:38:23,696 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-11-16 11:38:23,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-11-16 11:38:23,946 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:38:23,948 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:38:41,613 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:38:41,630 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:38:41,631 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:38:41,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:38:41 BoogieIcfgContainer [2022-11-16 11:38:41,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:38:41,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:38:41,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:38:41,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:38:41,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:37:39" (1/3) ... [2022-11-16 11:38:41,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a543e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:38:41, skipping insertion in model container [2022-11-16 11:38:41,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:40" (2/3) ... [2022-11-16 11:38:41,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a543e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:38:41, skipping insertion in model container [2022-11-16 11:38:41,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:38:41" (3/3) ... [2022-11-16 11:38:41,643 INFO L112 eAbstractionObserver]: Analyzing ICFG Dubois-090.c [2022-11-16 11:38:41,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:38:41,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:38:41,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:38:41,750 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;@608c25a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:38:41,751 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:38:41,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 1001 states, 278 states have (on average 1.0071942446043165) internal successors, (280), 279 states have internal predecessors, (280), 720 states have call successors, (720), 1 states have call predecessors, (720), 1 states have return successors, (720), 720 states have call predecessors, (720), 720 states have call successors, (720) [2022-11-16 11:38:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3874 [2022-11-16 11:38:42,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:42,217 INFO L195 NwaCegarLoop]: trace histogram [720, 720, 720, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:42,218 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:42,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:42,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1498370433, now seen corresponding path program 1 times [2022-11-16 11:38:42,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:42,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773173837] [2022-11-16 11:38:42,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:42,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat