./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b1ae073d61384b77626a4e3fc5e25b4fd21bfc202bbe2013eb1c38a5e907ea6b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:44:15,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:44:15,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:44:15,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:44:15,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:44:15,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:44:15,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:44:15,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:44:15,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:44:15,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:44:15,479 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:44:15,480 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:44:15,480 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:44:15,481 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:44:15,481 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:44:15,482 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:44:15,482 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:44:15,483 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:44:15,483 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:44:15,484 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:44:15,484 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:44:15,485 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:44:15,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:44:15,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:44:15,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:44:15,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:44:15,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:44:15,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:44:15,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:44:15,488 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:44:15,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:44:15,489 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:44:15,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:44:15,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:44:15,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:44:15,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:44:15,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:44:15,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:44:15,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:44:15,493 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:44:15,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:44:15,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:44:15,494 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:44:15,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:44:15,498 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1ae073d61384b77626a4e3fc5e25b4fd21bfc202bbe2013eb1c38a5e907ea6b [2024-11-09 06:44:15,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:44:15,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:44:15,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:44:15,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:44:15,809 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:44:15,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 06:44:17,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:44:18,204 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:44:18,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c [2024-11-09 06:44:18,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/data/d5882789c/ee138d5579734fa1afbe57e5627b9495/FLAGdf649975a [2024-11-09 06:44:18,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/data/d5882789c/ee138d5579734fa1afbe57e5627b9495 [2024-11-09 06:44:18,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:44:18,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:44:18,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:44:18,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:44:18,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:44:18,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:44:18" (1/1) ... [2024-11-09 06:44:18,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa74ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:18, skipping insertion in model container [2024-11-09 06:44:18,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:44:18" (1/1) ... [2024-11-09 06:44:18,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:44:18,702 WARN L250 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_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c[1170,1183] [2024-11-09 06:44:19,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:44:19,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:44:19,560 WARN L250 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_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c[1170,1183] [2024-11-09 06:44:20,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:44:20,027 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:44:20,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20 WrapperNode [2024-11-09 06:44:20,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:44:20,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:44:20,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:44:20,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:44:20,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20" (1/1) ... [2024-11-09 06:44:20,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20" (1/1) ... [2024-11-09 06:44:22,143 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13615 [2024-11-09 06:44:22,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:44:22,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:44:22,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:44:22,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:44:22,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20" (1/1) ... [2024-11-09 06:44:22,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20" (1/1) ... [2024-11-09 06:44:22,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20" (1/1) ... [2024-11-09 06:44:22,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20" (1/1) ... [2024-11-09 06:44:23,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20" (1/1) ... [2024-11-09 06:44:23,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20" (1/1) ... [2024-11-09 06:44:23,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20" (1/1) ... [2024-11-09 06:44:23,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20" (1/1) ... [2024-11-09 06:44:24,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:44:24,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:44:24,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:44:24,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:44:24,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20" (1/1) ... [2024-11-09 06:44:24,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:44:24,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:44:24,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:44:24,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:44:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:44:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:44:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:44:24,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:44:25,426 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:44:25,428 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:44:50,748 INFO L? ?]: Removed 7750 outVars from TransFormulas that were not future-live. [2024-11-09 06:44:50,750 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:45:25,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:45:25,533 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:45:25,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:45:25 BoogieIcfgContainer [2024-11-09 06:45:25,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:45:25,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:45:25,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:45:25,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:45:25,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:44:18" (1/3) ... [2024-11-09 06:45:25,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ddef09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:45:25, skipping insertion in model container [2024-11-09 06:45:25,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:20" (2/3) ... [2024-11-09 06:45:25,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ddef09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:45:25, skipping insertion in model container [2024-11-09 06:45:25,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:45:25" (3/3) ... [2024-11-09 06:45:25,542 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.5.prop1-func-interl.c [2024-11-09 06:45:25,574 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:45:25,574 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:45:25,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:45:25,658 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3168ac3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:45:25,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:45:25,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-11-09 06:45:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 06:45:25,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:45:25,668 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 06:45:25,669 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:45:25,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:25,673 INFO L85 PathProgramCache]: Analyzing trace with hash 696874205, now seen corresponding path program 1 times [2024-11-09 06:45:25,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:45:25,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133659206] [2024-11-09 06:45:25,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:25,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:45:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:45:26,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:45:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:45:27,845 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:45:27,848 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:45:27,850 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:45:27,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:45:27,856 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:45:27,908 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:45:27,932 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:45:27,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:45:27 BoogieIcfgContainer [2024-11-09 06:45:27,939 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:45:27,939 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:45:27,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:45:27,941 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:45:27,941 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:45:25" (3/4) ... [2024-11-09 06:45:27,944 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:45:27,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:45:27,947 INFO L158 Benchmark]: Toolchain (without parser) took 69689.70ms. Allocated memory was 167.8MB in the beginning and 11.0GB in the end (delta: 10.8GB). Free memory was 131.7MB in the beginning and 9.8GB in the end (delta: -9.7GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-09 06:45:27,948 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 85.1MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:45:27,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1769.50ms. Allocated memory is still 167.8MB. Free memory was 131.7MB in the beginning and 62.0MB in the end (delta: 69.7MB). Peak memory consumption was 132.4MB. Max. memory is 16.1GB. [2024-11-09 06:45:27,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 2117.48ms. Allocated memory was 167.8MB in the beginning and 578.8MB in the end (delta: 411.0MB). Free memory was 62.0MB in the beginning and 268.7MB in the end (delta: -206.7MB). Peak memory consumption was 210.8MB. Max. memory is 16.1GB. [2024-11-09 06:45:27,952 INFO L158 Benchmark]: Boogie Preprocessor took 2240.51ms. Allocated memory was 578.8MB in the beginning and 1.5GB in the end (delta: 922.7MB). Free memory was 268.7MB in the beginning and 1.1GB in the end (delta: -864.5MB). Peak memory consumption was 139.0MB. Max. memory is 16.1GB. [2024-11-09 06:45:27,953 INFO L158 Benchmark]: RCFGBuilder took 61144.54ms. Allocated memory was 1.5GB in the beginning and 11.0GB in the end (delta: 9.5GB). Free memory was 1.1GB in the beginning and 10.0GB in the end (delta: -8.9GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2024-11-09 06:45:27,955 INFO L158 Benchmark]: TraceAbstraction took 2403.30ms. Allocated memory is still 11.0GB. Free memory was 10.0GB in the beginning and 9.8GB in the end (delta: 252.7MB). Peak memory consumption was 253.8MB. Max. memory is 16.1GB. [2024-11-09 06:45:27,955 INFO L158 Benchmark]: Witness Printer took 6.39ms. Allocated memory is still 11.0GB. Free memory is still 9.8GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:45:27,960 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 85.1MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1769.50ms. Allocated memory is still 167.8MB. Free memory was 131.7MB in the beginning and 62.0MB in the end (delta: 69.7MB). Peak memory consumption was 132.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2117.48ms. Allocated memory was 167.8MB in the beginning and 578.8MB in the end (delta: 411.0MB). Free memory was 62.0MB in the beginning and 268.7MB in the end (delta: -206.7MB). Peak memory consumption was 210.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2240.51ms. Allocated memory was 578.8MB in the beginning and 1.5GB in the end (delta: 922.7MB). Free memory was 268.7MB in the beginning and 1.1GB in the end (delta: -864.5MB). Peak memory consumption was 139.0MB. Max. memory is 16.1GB. * RCFGBuilder took 61144.54ms. Allocated memory was 1.5GB in the beginning and 11.0GB in the end (delta: 9.5GB). Free memory was 1.1GB in the beginning and 10.0GB in the end (delta: -8.9GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. * TraceAbstraction took 2403.30ms. Allocated memory is still 11.0GB. Free memory was 10.0GB in the beginning and 9.8GB in the end (delta: 252.7MB). Peak memory consumption was 253.8MB. Max. memory is 16.1GB. * Witness Printer took 6.39ms. Allocated memory is still 11.0GB. Free memory is still 9.8GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 322. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L35] const SORT_2 var_4 = 0; [L36] const SORT_1 var_37 = 0; [L37] const SORT_3 var_140 = 1; [L38] const SORT_3 var_141 = 0; [L39] const SORT_2 var_154 = 255; [L40] const SORT_2 var_156 = 0; [L41] const SORT_2 var_159 = 4; [L42] const SORT_2 var_163 = 3; [L43] const SORT_2 var_167 = 2; [L44] const SORT_2 var_171 = 1; [L46] SORT_1 input_155; [L47] SORT_1 input_160; [L48] SORT_1 input_164; [L49] SORT_1 input_168; [L50] SORT_1 input_172; [L51] SORT_1 input_175; [L52] SORT_1 input_193; [L53] SORT_1 input_211; [L54] SORT_1 input_229; [L55] SORT_1 input_247; [L56] SORT_1 input_265; [L57] SORT_1 input_268; [L58] SORT_1 input_271; [L59] SORT_1 input_274; [L60] SORT_1 input_277; [L61] SORT_1 input_280; [L62] SORT_1 input_296; [L63] SORT_1 input_312; [L64] SORT_1 input_328; [L65] SORT_1 input_344; [L66] SORT_1 input_360; [L67] SORT_1 input_361; [L68] SORT_1 input_362; [L69] SORT_1 input_363; [L70] SORT_1 input_364; [L71] SORT_1 input_365; [L72] SORT_1 input_366; [L73] SORT_1 input_367; [L74] SORT_1 input_368; [L75] SORT_1 input_369; [L76] SORT_1 input_401; [L77] SORT_1 input_403; [L78] SORT_1 input_413; [L79] SORT_1 input_418; [L80] SORT_1 input_420; [L81] SORT_1 input_425; [L82] SORT_1 input_429; [L83] SORT_1 input_444; [L84] SORT_1 input_446; [L85] SORT_1 input_456; [L86] SORT_1 input_461; [L87] SORT_1 input_463; [L88] SORT_1 input_468; [L89] SORT_1 input_472; [L90] SORT_1 input_487; [L91] SORT_1 input_489; [L92] SORT_1 input_499; [L93] SORT_1 input_504; [L94] SORT_1 input_506; [L95] SORT_1 input_511; [L96] SORT_1 input_515; [L97] SORT_1 input_530; [L98] SORT_1 input_532; [L99] SORT_1 input_542; [L100] SORT_1 input_547; [L101] SORT_1 input_549; [L102] SORT_1 input_554; [L103] SORT_1 input_558; [L104] SORT_1 input_573; [L105] SORT_1 input_575; [L106] SORT_1 input_585; [L107] SORT_1 input_590; [L108] SORT_1 input_592; [L109] SORT_1 input_597; [L110] SORT_1 input_601; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L112] SORT_2 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L113] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L114] SORT_2 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L115] SORT_2 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L116] SORT_2 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L117] SORT_2 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L118] SORT_2 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L119] SORT_2 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L120] SORT_2 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L121] SORT_2 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L122] SORT_2 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L123] SORT_2 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L124] SORT_2 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L125] SORT_2 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L126] SORT_2 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L127] SORT_2 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L148] SORT_1 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L149] SORT_1 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L150] SORT_1 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L151] SORT_1 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L152] SORT_1 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L153] SORT_1 state_88 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L154] SORT_1 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L155] SORT_1 state_92 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L156] SORT_1 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L157] SORT_1 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L158] SORT_1 state_98 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L159] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L159] SORT_1 state_100 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L160] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L160] SORT_1 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L161] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L161] SORT_1 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L162] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L162] SORT_1 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L163] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L163] SORT_1 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L164] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L164] SORT_1 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L165] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L165] SORT_1 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L166] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L166] SORT_1 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L167] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L167] SORT_1 state_116 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L168] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L168] SORT_1 state_118 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L169] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L169] SORT_1 state_120 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L170] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L170] SORT_1 state_122 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L171] SORT_1 state_124 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L172] SORT_1 state_126 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L173] SORT_1 state_128 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L174] SORT_1 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L175] SORT_1 state_132 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L176] SORT_1 state_134 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L177] SORT_1 state_136 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L178] SORT_1 state_138 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L180] SORT_2 init_6_arg_1 = var_4; [L181] state_5 = init_6_arg_1 [L182] SORT_2 init_8_arg_1 = var_4; [L183] state_7 = init_8_arg_1 [L184] SORT_2 init_10_arg_1 = var_4; [L185] state_9 = init_10_arg_1 [L186] SORT_2 init_12_arg_1 = var_4; [L187] state_11 = init_12_arg_1 [L188] SORT_2 init_14_arg_1 = var_4; [L189] state_13 = init_14_arg_1 [L190] SORT_2 init_16_arg_1 = var_4; [L191] state_15 = init_16_arg_1 [L192] SORT_2 init_18_arg_1 = var_4; [L193] state_17 = init_18_arg_1 [L194] SORT_2 init_20_arg_1 = var_4; [L195] state_19 = init_20_arg_1 [L196] SORT_2 init_22_arg_1 = var_4; [L197] state_21 = init_22_arg_1 [L198] SORT_2 init_24_arg_1 = var_4; [L199] state_23 = init_24_arg_1 [L200] SORT_2 init_26_arg_1 = var_4; [L201] state_25 = init_26_arg_1 [L202] SORT_2 init_28_arg_1 = var_4; [L203] state_27 = init_28_arg_1 [L204] SORT_2 init_30_arg_1 = var_4; [L205] state_29 = init_30_arg_1 [L206] SORT_2 init_32_arg_1 = var_4; [L207] state_31 = init_32_arg_1 [L208] SORT_2 init_34_arg_1 = var_4; [L209] state_33 = init_34_arg_1 [L210] SORT_2 init_36_arg_1 = var_4; [L211] state_35 = init_36_arg_1 [L212] SORT_1 init_39_arg_1 = var_37; [L213] state_38 = init_39_arg_1 [L214] SORT_1 init_41_arg_1 = var_37; [L215] state_40 = init_41_arg_1 [L216] SORT_1 init_43_arg_1 = var_37; [L217] state_42 = init_43_arg_1 [L218] SORT_1 init_45_arg_1 = var_37; [L219] state_44 = init_45_arg_1 [L220] SORT_1 init_47_arg_1 = var_37; [L221] state_46 = init_47_arg_1 [L222] SORT_1 init_49_arg_1 = var_37; [L223] state_48 = init_49_arg_1 [L224] SORT_1 init_51_arg_1 = var_37; [L225] state_50 = init_51_arg_1 [L226] SORT_1 init_53_arg_1 = var_37; [L227] state_52 = init_53_arg_1 [L228] SORT_1 init_55_arg_1 = var_37; [L229] state_54 = init_55_arg_1 [L230] SORT_1 init_57_arg_1 = var_37; [L231] state_56 = init_57_arg_1 [L232] SORT_1 init_59_arg_1 = var_37; [L233] state_58 = init_59_arg_1 [L234] SORT_1 init_61_arg_1 = var_37; [L235] state_60 = init_61_arg_1 [L236] SORT_1 init_63_arg_1 = var_37; [L237] state_62 = init_63_arg_1 [L238] SORT_1 init_65_arg_1 = var_37; [L239] state_64 = init_65_arg_1 [L240] SORT_1 init_67_arg_1 = var_37; [L241] state_66 = init_67_arg_1 [L242] SORT_1 init_69_arg_1 = var_37; [L243] state_68 = init_69_arg_1 [L244] SORT_1 init_71_arg_1 = var_37; [L245] state_70 = init_71_arg_1 [L246] SORT_1 init_73_arg_1 = var_37; [L247] state_72 = init_73_arg_1 [L248] SORT_1 init_75_arg_1 = var_37; [L249] state_74 = init_75_arg_1 [L250] SORT_1 init_77_arg_1 = var_37; [L251] state_76 = init_77_arg_1 [L252] SORT_1 init_79_arg_1 = var_37; [L253] state_78 = init_79_arg_1 [L254] SORT_1 init_81_arg_1 = var_37; [L255] state_80 = init_81_arg_1 [L256] SORT_1 init_83_arg_1 = var_37; [L257] state_82 = init_83_arg_1 [L258] SORT_1 init_85_arg_1 = var_37; [L259] state_84 = init_85_arg_1 [L260] SORT_1 init_87_arg_1 = var_37; [L261] state_86 = init_87_arg_1 [L262] SORT_1 init_89_arg_1 = var_37; [L263] state_88 = init_89_arg_1 [L264] SORT_1 init_91_arg_1 = var_37; [L265] state_90 = init_91_arg_1 [L266] SORT_1 init_93_arg_1 = var_37; [L267] state_92 = init_93_arg_1 [L268] SORT_1 init_95_arg_1 = var_37; [L269] state_94 = init_95_arg_1 [L270] SORT_1 init_97_arg_1 = var_37; [L271] state_96 = init_97_arg_1 [L272] SORT_1 init_99_arg_1 = var_37; [L273] state_98 = init_99_arg_1 [L274] SORT_1 init_101_arg_1 = var_37; [L275] state_100 = init_101_arg_1 [L276] SORT_1 init_103_arg_1 = var_37; [L277] state_102 = init_103_arg_1 [L278] SORT_1 init_105_arg_1 = var_37; [L279] state_104 = init_105_arg_1 [L280] SORT_1 init_107_arg_1 = var_37; [L281] state_106 = init_107_arg_1 [L282] SORT_1 init_109_arg_1 = var_37; [L283] state_108 = init_109_arg_1 [L284] SORT_1 init_111_arg_1 = var_37; [L285] state_110 = init_111_arg_1 [L286] SORT_1 init_113_arg_1 = var_37; [L287] state_112 = init_113_arg_1 [L288] SORT_1 init_115_arg_1 = var_37; [L289] state_114 = init_115_arg_1 [L290] SORT_1 init_117_arg_1 = var_37; [L291] state_116 = init_117_arg_1 [L292] SORT_1 init_119_arg_1 = var_37; [L293] state_118 = init_119_arg_1 [L294] SORT_1 init_121_arg_1 = var_37; [L295] state_120 = init_121_arg_1 [L296] SORT_1 init_123_arg_1 = var_37; [L297] state_122 = init_123_arg_1 [L298] SORT_1 init_125_arg_1 = var_37; [L299] state_124 = init_125_arg_1 [L300] SORT_1 init_127_arg_1 = var_37; [L301] state_126 = init_127_arg_1 [L302] SORT_1 init_129_arg_1 = var_37; [L303] state_128 = init_129_arg_1 [L304] SORT_1 init_131_arg_1 = var_37; [L305] state_130 = init_131_arg_1 [L306] SORT_1 init_133_arg_1 = var_37; [L307] state_132 = init_133_arg_1 [L308] SORT_1 init_135_arg_1 = var_37; [L309] state_134 = init_135_arg_1 [L310] SORT_1 init_137_arg_1 = var_37; [L311] state_136 = init_137_arg_1 [L312] SORT_1 init_139_arg_1 = var_37; [L313] state_138 = init_139_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_11=0, state_120=0, state_122=0, state_124=0, state_126=0, state_128=0, state_130=0, state_132=0, state_134=0, state_136=0, state_138=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_140=1, var_141=0, var_154=255, var_156=0, var_159=4, var_163=3, var_167=2, var_171=1] [L316] input_155 = __VERIFIER_nondet_uchar() [L317] input_160 = __VERIFIER_nondet_uchar() [L318] input_164 = __VERIFIER_nondet_uchar() [L319] input_168 = __VERIFIER_nondet_uchar() [L320] input_172 = __VERIFIER_nondet_uchar() [L321] input_175 = __VERIFIER_nondet_uchar() [L322] EXPR input_175 & mask_SORT_1 [L322] input_175 = input_175 & mask_SORT_1 [L323] input_193 = __VERIFIER_nondet_uchar() [L324] EXPR input_193 & mask_SORT_1 [L324] input_193 = input_193 & mask_SORT_1 [L325] input_211 = __VERIFIER_nondet_uchar() [L326] EXPR input_211 & mask_SORT_1 [L326] input_211 = input_211 & mask_SORT_1 [L327] input_229 = __VERIFIER_nondet_uchar() [L328] EXPR input_229 & mask_SORT_1 [L328] input_229 = input_229 & mask_SORT_1 [L329] input_247 = __VERIFIER_nondet_uchar() [L330] EXPR input_247 & mask_SORT_1 [L330] input_247 = input_247 & mask_SORT_1 [L331] input_265 = __VERIFIER_nondet_uchar() [L332] input_268 = __VERIFIER_nondet_uchar() [L333] input_271 = __VERIFIER_nondet_uchar() [L334] input_274 = __VERIFIER_nondet_uchar() [L335] input_277 = __VERIFIER_nondet_uchar() [L336] input_280 = __VERIFIER_nondet_uchar() [L337] EXPR input_280 & mask_SORT_1 [L337] input_280 = input_280 & mask_SORT_1 [L338] input_296 = __VERIFIER_nondet_uchar() [L339] EXPR input_296 & mask_SORT_1 [L339] input_296 = input_296 & mask_SORT_1 [L340] input_312 = __VERIFIER_nondet_uchar() [L341] EXPR input_312 & mask_SORT_1 [L341] input_312 = input_312 & mask_SORT_1 [L342] input_328 = __VERIFIER_nondet_uchar() [L343] EXPR input_328 & mask_SORT_1 [L343] input_328 = input_328 & mask_SORT_1 [L344] input_344 = __VERIFIER_nondet_uchar() [L345] EXPR input_344 & mask_SORT_1 [L345] input_344 = input_344 & mask_SORT_1 [L346] input_360 = __VERIFIER_nondet_uchar() [L347] EXPR input_360 & mask_SORT_1 [L347] input_360 = input_360 & mask_SORT_1 [L348] input_361 = __VERIFIER_nondet_uchar() [L349] EXPR input_361 & mask_SORT_1 [L349] input_361 = input_361 & mask_SORT_1 [L350] input_362 = __VERIFIER_nondet_uchar() [L351] EXPR input_362 & mask_SORT_1 [L351] input_362 = input_362 & mask_SORT_1 [L352] input_363 = __VERIFIER_nondet_uchar() [L353] EXPR input_363 & mask_SORT_1 [L353] input_363 = input_363 & mask_SORT_1 [L354] input_364 = __VERIFIER_nondet_uchar() [L355] EXPR input_364 & mask_SORT_1 [L355] input_364 = input_364 & mask_SORT_1 [L356] input_365 = __VERIFIER_nondet_uchar() [L357] EXPR input_365 & mask_SORT_1 [L357] input_365 = input_365 & mask_SORT_1 [L358] input_366 = __VERIFIER_nondet_uchar() [L359] EXPR input_366 & mask_SORT_1 [L359] input_366 = input_366 & mask_SORT_1 [L360] input_367 = __VERIFIER_nondet_uchar() [L361] EXPR input_367 & mask_SORT_1 [L361] input_367 = input_367 & mask_SORT_1 [L362] input_368 = __VERIFIER_nondet_uchar() [L363] EXPR input_368 & mask_SORT_1 [L363] input_368 = input_368 & mask_SORT_1 [L364] input_369 = __VERIFIER_nondet_uchar() [L365] EXPR input_369 & mask_SORT_1 [L365] input_369 = input_369 & mask_SORT_1 [L366] input_401 = __VERIFIER_nondet_uchar() [L367] input_403 = __VERIFIER_nondet_uchar() [L368] input_413 = __VERIFIER_nondet_uchar() [L369] input_418 = __VERIFIER_nondet_uchar() [L370] input_420 = __VERIFIER_nondet_uchar() [L371] input_425 = __VERIFIER_nondet_uchar() [L372] input_429 = __VERIFIER_nondet_uchar() [L373] input_444 = __VERIFIER_nondet_uchar() [L374] input_446 = __VERIFIER_nondet_uchar() [L375] input_456 = __VERIFIER_nondet_uchar() [L376] input_461 = __VERIFIER_nondet_uchar() [L377] input_463 = __VERIFIER_nondet_uchar() [L378] input_468 = __VERIFIER_nondet_uchar() [L379] input_472 = __VERIFIER_nondet_uchar() [L380] input_487 = __VERIFIER_nondet_uchar() [L381] input_489 = __VERIFIER_nondet_uchar() [L382] input_499 = __VERIFIER_nondet_uchar() [L383] input_504 = __VERIFIER_nondet_uchar() [L384] input_506 = __VERIFIER_nondet_uchar() [L385] input_511 = __VERIFIER_nondet_uchar() [L386] input_515 = __VERIFIER_nondet_uchar() [L387] input_530 = __VERIFIER_nondet_uchar() [L388] input_532 = __VERIFIER_nondet_uchar() [L389] input_542 = __VERIFIER_nondet_uchar() [L390] input_547 = __VERIFIER_nondet_uchar() [L391] input_549 = __VERIFIER_nondet_uchar() [L392] input_554 = __VERIFIER_nondet_uchar() [L393] input_558 = __VERIFIER_nondet_uchar() [L394] input_573 = __VERIFIER_nondet_uchar() [L395] input_575 = __VERIFIER_nondet_uchar() [L396] input_585 = __VERIFIER_nondet_uchar() [L397] input_590 = __VERIFIER_nondet_uchar() [L398] input_592 = __VERIFIER_nondet_uchar() [L399] input_597 = __VERIFIER_nondet_uchar() [L400] input_601 = __VERIFIER_nondet_uchar() [L403] SORT_1 var_142_arg_0 = state_50; [L404] SORT_3 var_142_arg_1 = var_140; [L405] SORT_3 var_142_arg_2 = var_141; [L406] SORT_3 var_142 = var_142_arg_0 ? var_142_arg_1 : var_142_arg_2; [L407] SORT_1 var_143_arg_0 = state_70; [L408] SORT_3 var_143_arg_1 = var_140; [L409] SORT_3 var_143_arg_2 = var_141; [L410] SORT_3 var_143 = var_143_arg_0 ? var_143_arg_1 : var_143_arg_2; [L411] SORT_3 var_144_arg_0 = var_142; [L412] SORT_3 var_144_arg_1 = var_143; [L413] SORT_3 var_144 = var_144_arg_0 + var_144_arg_1; [L414] SORT_1 var_145_arg_0 = state_90; [L415] SORT_3 var_145_arg_1 = var_140; [L416] SORT_3 var_145_arg_2 = var_141; [L417] SORT_3 var_145 = var_145_arg_0 ? var_145_arg_1 : var_145_arg_2; [L418] SORT_3 var_146_arg_0 = var_144; [L419] SORT_3 var_146_arg_1 = var_145; [L420] SORT_3 var_146 = var_146_arg_0 + var_146_arg_1; [L421] SORT_1 var_147_arg_0 = state_110; [L422] SORT_3 var_147_arg_1 = var_140; [L423] SORT_3 var_147_arg_2 = var_141; [L424] SORT_3 var_147 = var_147_arg_0 ? var_147_arg_1 : var_147_arg_2; [L425] SORT_3 var_148_arg_0 = var_146; [L426] SORT_3 var_148_arg_1 = var_147; [L427] SORT_3 var_148 = var_148_arg_0 + var_148_arg_1; [L428] SORT_1 var_149_arg_0 = state_130; [L429] SORT_3 var_149_arg_1 = var_140; [L430] SORT_3 var_149_arg_2 = var_141; [L431] SORT_3 var_149 = var_149_arg_0 ? var_149_arg_1 : var_149_arg_2; [L432] SORT_3 var_150_arg_0 = var_148; [L433] SORT_3 var_150_arg_1 = var_149; [L434] SORT_3 var_150 = var_150_arg_0 + var_150_arg_1; [L435] EXPR var_150 & mask_SORT_3 [L435] var_150 = var_150 & mask_SORT_3 [L436] SORT_3 var_151_arg_0 = var_150; [L437] SORT_3 var_151_arg_1 = var_140; [L438] SORT_1 var_151 = var_151_arg_0 <= var_151_arg_1; [L439] SORT_1 var_152_arg_0 = ~state_138; [L440] EXPR var_152_arg_0 & mask_SORT_1 [L440] var_152_arg_0 = var_152_arg_0 & mask_SORT_1 [L441] SORT_1 var_152_arg_1 = ~var_151; [L442] EXPR var_152_arg_1 & mask_SORT_1 [L442] var_152_arg_1 = var_152_arg_1 & mask_SORT_1 [L443] EXPR var_152_arg_0 & var_152_arg_1 [L443] SORT_1 var_152 = var_152_arg_0 & var_152_arg_1; [L444] EXPR var_152 & mask_SORT_1 [L444] var_152 = var_152 & mask_SORT_1 [L445] SORT_1 bad_153_arg_0 = var_152; [L446] CALL __VERIFIER_assert(!(bad_153_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:45:28,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b1ae073d61384b77626a4e3fc5e25b4fd21bfc202bbe2013eb1c38a5e907ea6b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:45:30,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:45:31,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 06:45:31,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:45:31,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:45:31,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:45:31,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:45:31,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:45:31,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:45:31,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:45:31,143 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:45:31,143 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:45:31,144 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:45:31,144 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:45:31,144 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:45:31,145 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:45:31,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:45:31,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:45:31,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:45:31,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:45:31,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:45:31,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:45:31,154 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:45:31,154 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:45:31,155 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:45:31,155 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:45:31,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:45:31,155 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:45:31,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:45:31,156 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:45:31,156 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:45:31,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:45:31,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:45:31,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:45:31,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:45:31,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:45:31,158 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:45:31,161 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:45:31,162 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:45:31,162 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:45:31,162 INFO L153 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_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1ae073d61384b77626a4e3fc5e25b4fd21bfc202bbe2013eb1c38a5e907ea6b [2024-11-09 06:45:31,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:45:31,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:45:31,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:45:31,579 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:45:31,579 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:45:31,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 06:45:33,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:45:34,334 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:45:34,335 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c [2024-11-09 06:45:34,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/data/8028d3bce/16cd8ca0cd7c4ab0b07dcc318f9f72de/FLAGcd7d9fc11 [2024-11-09 06:45:34,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/data/8028d3bce/16cd8ca0cd7c4ab0b07dcc318f9f72de [2024-11-09 06:45:34,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:45:34,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:45:34,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:45:34,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:45:34,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:45:34,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:45:34" (1/1) ... [2024-11-09 06:45:34,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b4665f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:34, skipping insertion in model container [2024-11-09 06:45:34,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:45:34" (1/1) ... [2024-11-09 06:45:35,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:45:35,393 WARN L250 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_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c[1170,1183] [2024-11-09 06:45:36,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:45:36,087 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:45:36,104 WARN L250 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_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c[1170,1183] [2024-11-09 06:45:36,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:45:36,454 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:45:36,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36 WrapperNode [2024-11-09 06:45:36,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:45:36,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:45:36,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:45:36,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:45:36,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36" (1/1) ... [2024-11-09 06:45:36,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36" (1/1) ... [2024-11-09 06:45:36,839 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4103 [2024-11-09 06:45:36,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:45:36,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:45:36,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:45:36,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:45:36,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36" (1/1) ... [2024-11-09 06:45:36,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36" (1/1) ... [2024-11-09 06:45:36,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36" (1/1) ... [2024-11-09 06:45:36,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36" (1/1) ... [2024-11-09 06:45:37,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36" (1/1) ... [2024-11-09 06:45:37,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36" (1/1) ... [2024-11-09 06:45:37,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36" (1/1) ... [2024-11-09 06:45:37,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36" (1/1) ... [2024-11-09 06:45:37,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:45:37,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:45:37,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:45:37,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:45:37,155 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36" (1/1) ... [2024-11-09 06:45:37,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:45:37,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:45:37,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:45:37,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:45:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:45:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:45:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:45:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:45:38,056 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:45:38,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:45:44,929 INFO L? ?]: Removed 181 outVars from TransFormulas that were not future-live. [2024-11-09 06:45:44,930 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:45:44,942 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:45:44,943 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:45:44,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:45:44 BoogieIcfgContainer [2024-11-09 06:45:44,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:45:44,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:45:44,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:45:44,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:45:44,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:45:34" (1/3) ... [2024-11-09 06:45:44,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@891ae42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:45:44, skipping insertion in model container [2024-11-09 06:45:44,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:36" (2/3) ... [2024-11-09 06:45:44,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@891ae42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:45:44, skipping insertion in model container [2024-11-09 06:45:44,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:45:44" (3/3) ... [2024-11-09 06:45:44,954 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.5.prop1-func-interl.c [2024-11-09 06:45:44,975 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:45:44,976 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:45:45,054 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:45:45,064 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@2061a48b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:45:45,064 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:45:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2024-11-09 06:45:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 06:45:45,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:45:45,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 06:45:45,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:45:45,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:45,090 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 06:45:45,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:45:45,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746976554] [2024-11-09 06:45:45,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:45,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:45:45,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:45:45,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:45:45,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 06:45:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:46,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 06:45:46,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:45:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:45:46,827 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:45:46,828 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:45:46,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746976554] [2024-11-09 06:45:46,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746976554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:45:46,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:45:46,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:45:46,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559242033] [2024-11-09 06:45:46,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:45:46,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:45:46,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:45:46,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:45:46,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:45:46,872 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-09 06:45:47,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:45:47,334 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 06:45:47,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:45:47,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2024-11-09 06:45:47,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:45:47,347 INFO L225 Difference]: With dead ends: 19 [2024-11-09 06:45:47,348 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 06:45:47,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:45:47,356 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:45:47,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 06:45:47,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 06:45:47,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 06:45:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2024-11-09 06:45:47,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 06:45:47,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 06:45:47,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:45:47,396 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 06:45:47,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-09 06:45:47,397 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 06:45:47,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:45:47,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:45:47,398 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 06:45:47,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:45:47,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:45:47,603 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:45:47,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:47,605 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 06:45:47,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:45:47,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438687645] [2024-11-09 06:45:47,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:47,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:45:47,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:45:47,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:45:47,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e91d309-a8c2-4bec-9781-0c17bf14f2a4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 06:45:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:45:49,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-09 06:45:49,090 INFO L278 TraceCheckSpWp]: Computing forward predicates...