./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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 e2d5e4d066d29b303712b9dc04f1af1c1ffcb15fb18dd718ea7f918a19a2464f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:13:41,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:13:41,741 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 01:13:41,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:13:41,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:13:41,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:13:41,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:13:41,800 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:13:41,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:13:41,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:13:41,803 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:13:41,803 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:13:41,804 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:13:41,804 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:13:41,804 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:13:41,807 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:13:41,807 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:13:41,808 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:13:41,808 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:13:41,808 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:13:41,809 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:13:41,813 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:13:41,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:13:41,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:13:41,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:13:41,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:13:41,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:13:41,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:13:41,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:13:41,816 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:13:41,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:13:41,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:13:41,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:13:41,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:13:41,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:13:41,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:13:41,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:13:41,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:13:41,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:13:41,822 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:13:41,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:13:41,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:13:41,824 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:13:41,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:13:41,825 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_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2d5e4d066d29b303712b9dc04f1af1c1ffcb15fb18dd718ea7f918a19a2464f [2024-11-09 01:13:42,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:13:42,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:13:42,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:13:42,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:13:42,143 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:13:42,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 01:13:44,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:13:45,032 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:13:45,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-func-interl.c [2024-11-09 01:13:45,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/data/13bfa29ba/a078605ce9a540488ab3efa204d77aec/FLAGc0041ff38 [2024-11-09 01:13:45,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/data/13bfa29ba/a078605ce9a540488ab3efa204d77aec [2024-11-09 01:13:45,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:13:45,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:13:45,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:13:45,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:13:45,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:13:45,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:13:45" (1/1) ... [2024-11-09 01:13:45,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b3e932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:45, skipping insertion in model container [2024-11-09 01:13:45,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:13:45" (1/1) ... [2024-11-09 01:13:45,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:13:45,520 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_5f8fb3ad-5d53-486f-8648-79e827a62bb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-func-interl.c[1169,1182] [2024-11-09 01:13:46,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:13:46,229 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:13:46,242 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_5f8fb3ad-5d53-486f-8648-79e827a62bb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-func-interl.c[1169,1182] [2024-11-09 01:13:46,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:13:46,592 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:13:46,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46 WrapperNode [2024-11-09 01:13:46,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:13:46,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:13:46,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:13:46,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:13:46,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46" (1/1) ... [2024-11-09 01:13:46,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46" (1/1) ... [2024-11-09 01:13:48,188 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8837 [2024-11-09 01:13:48,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:13:48,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:13:48,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:13:48,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:13:48,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46" (1/1) ... [2024-11-09 01:13:48,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46" (1/1) ... [2024-11-09 01:13:48,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46" (1/1) ... [2024-11-09 01:13:48,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46" (1/1) ... [2024-11-09 01:13:49,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46" (1/1) ... [2024-11-09 01:13:49,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46" (1/1) ... [2024-11-09 01:13:49,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46" (1/1) ... [2024-11-09 01:13:49,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46" (1/1) ... [2024-11-09 01:13:49,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:13:49,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:13:49,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:13:49,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:13:49,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46" (1/1) ... [2024-11-09 01:13:49,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:13:49,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:13:49,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:13:49,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:13:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:13:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:13:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:13:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:13:50,150 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:13:50,152 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:14:05,420 INFO L? ?]: Removed 5032 outVars from TransFormulas that were not future-live. [2024-11-09 01:14:05,421 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:14:25,809 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:14:25,809 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:14:25,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:14:25 BoogieIcfgContainer [2024-11-09 01:14:25,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:14:25,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:14:25,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:14:25,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:14:25,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:13:45" (1/3) ... [2024-11-09 01:14:25,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1446ecba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:14:25, skipping insertion in model container [2024-11-09 01:14:25,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:46" (2/3) ... [2024-11-09 01:14:25,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1446ecba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:14:25, skipping insertion in model container [2024-11-09 01:14:25,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:14:25" (3/3) ... [2024-11-09 01:14:25,819 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.at.2.prop1-func-interl.c [2024-11-09 01:14:25,838 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:14:25,838 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:14:25,910 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:14:25,915 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;@1bc438c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:14:25,915 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:14:25,919 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 01:14:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 01:14:25,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:14:25,925 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 01:14:25,926 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:14:25,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:14:25,931 INFO L85 PathProgramCache]: Analyzing trace with hash 452377259, now seen corresponding path program 1 times [2024-11-09 01:14:25,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:14:25,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512446276] [2024-11-09 01:14:25,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:14:25,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:14:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:14:27,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:14:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:14:28,178 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:14:28,181 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:14:28,183 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:14:28,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:14:28,195 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:14:28,256 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 01:14:28,287 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:14:28,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:14:28 BoogieIcfgContainer [2024-11-09 01:14:28,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:14:28,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:14:28,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:14:28,300 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:14:28,301 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:14:25" (3/4) ... [2024-11-09 01:14:28,304 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:14:28,306 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:14:28,308 INFO L158 Benchmark]: Toolchain (without parser) took 43144.94ms. Allocated memory was 136.3MB in the beginning and 7.4GB in the end (delta: 7.3GB). Free memory was 94.7MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 656.6MB. Max. memory is 16.1GB. [2024-11-09 01:14:28,308 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 136.3MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:14:28,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1429.55ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 94.7MB in the beginning and 108.1MB in the end (delta: -13.5MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2024-11-09 01:14:28,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 1596.83ms. Allocated memory was 182.5MB in the beginning and 297.8MB in the end (delta: 115.3MB). Free memory was 108.1MB in the beginning and 97.7MB in the end (delta: 10.4MB). Peak memory consumption was 190.5MB. Max. memory is 16.1GB. [2024-11-09 01:14:28,312 INFO L158 Benchmark]: Boogie Preprocessor took 1225.60ms. Allocated memory was 297.8MB in the beginning and 595.6MB in the end (delta: 297.8MB). Free memory was 97.7MB in the beginning and 324.3MB in the end (delta: -226.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-11-09 01:14:28,314 INFO L158 Benchmark]: RCFGBuilder took 36391.48ms. Allocated memory was 595.6MB in the beginning and 7.4GB in the end (delta: 6.8GB). Free memory was 324.3MB in the beginning and 6.6GB in the end (delta: -6.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-09 01:14:28,315 INFO L158 Benchmark]: TraceAbstraction took 2484.39ms. Allocated memory is still 7.4GB. Free memory was 6.6GB in the beginning and 6.7GB in the end (delta: -109.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:14:28,316 INFO L158 Benchmark]: Witness Printer took 8.49ms. Allocated memory is still 7.4GB. Free memory was 6.7GB in the beginning and 6.7GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:14:28,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34ms. Allocated memory is still 136.3MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1429.55ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 94.7MB in the beginning and 108.1MB in the end (delta: -13.5MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1596.83ms. Allocated memory was 182.5MB in the beginning and 297.8MB in the end (delta: 115.3MB). Free memory was 108.1MB in the beginning and 97.7MB in the end (delta: 10.4MB). Peak memory consumption was 190.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1225.60ms. Allocated memory was 297.8MB in the beginning and 595.6MB in the end (delta: 297.8MB). Free memory was 97.7MB in the beginning and 324.3MB in the end (delta: -226.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * RCFGBuilder took 36391.48ms. Allocated memory was 595.6MB in the beginning and 7.4GB in the end (delta: 6.8GB). Free memory was 324.3MB in the beginning and 6.6GB in the end (delta: -6.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * TraceAbstraction took 2484.39ms. Allocated memory is still 7.4GB. Free memory was 6.6GB in the beginning and 6.7GB in the end (delta: -109.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.49ms. Allocated memory is still 7.4GB. Free memory was 6.7GB in the beginning and 6.7GB in the end (delta: 1.0MB). 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 230. 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 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_18 = 0; [L40] const SORT_4 var_95 = 1; [L41] const SORT_4 var_96 = 0; [L42] const SORT_2 var_106 = 2; [L43] const SORT_2 var_108 = 1; [L44] const SORT_2 var_110 = 0; [L45] const SORT_2 var_115 = 255; [L46] const SORT_2 var_150 = 3; [L47] const SORT_3 var_154 = 0; [L48] const SORT_4 var_158 = 255; [L50] SORT_1 input_105; [L51] SORT_1 input_107; [L52] SORT_1 input_109; [L53] SORT_1 input_116; [L54] SORT_1 input_117; [L55] SORT_1 input_118; [L56] SORT_1 input_119; [L57] SORT_1 input_120; [L58] SORT_1 input_121; [L59] SORT_1 input_131; [L60] SORT_1 input_132; [L61] SORT_1 input_133; [L62] SORT_1 input_134; [L63] SORT_1 input_135; [L64] SORT_1 input_136; [L65] SORT_1 input_144; [L66] SORT_1 input_145; [L67] SORT_1 input_146; [L68] SORT_1 input_147; [L69] SORT_1 input_148; [L70] SORT_1 input_149; [L71] SORT_1 input_151; [L72] SORT_1 input_152; [L73] SORT_1 input_153; [L74] SORT_1 input_180; [L75] SORT_1 input_181; [L76] SORT_1 input_182; [L77] SORT_1 input_183; [L78] SORT_1 input_184; [L79] SORT_1 input_185; [L80] SORT_1 input_186; [L81] SORT_1 input_187; [L82] SORT_1 input_212; [L83] SORT_1 input_213; [L84] SORT_1 input_214; [L85] SORT_1 input_215; [L86] SORT_1 input_216; [L87] SORT_1 input_217; [L88] SORT_1 input_218; [L89] SORT_1 input_219; [L90] SORT_1 input_269; [L91] SORT_1 input_310; [L92] SORT_1 input_351; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L94] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L95] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L96] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L97] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L98] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L99] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L100] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L101] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L102] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L103] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L104] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L106] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L107] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L108] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L109] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L110] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] SORT_2 init_7_arg_1 = var_5; [L140] state_6 = init_7_arg_1 [L141] SORT_2 init_9_arg_1 = var_5; [L142] state_8 = init_9_arg_1 [L143] SORT_2 init_11_arg_1 = var_5; [L144] state_10 = init_11_arg_1 [L145] SORT_2 init_13_arg_1 = var_5; [L146] state_12 = init_13_arg_1 [L147] SORT_2 init_15_arg_1 = var_5; [L148] state_14 = init_15_arg_1 [L149] SORT_2 init_17_arg_1 = var_5; [L150] state_16 = init_17_arg_1 [L151] SORT_1 init_20_arg_1 = var_18; [L152] state_19 = init_20_arg_1 [L153] SORT_1 init_22_arg_1 = var_18; [L154] state_21 = init_22_arg_1 [L155] SORT_1 init_24_arg_1 = var_18; [L156] state_23 = init_24_arg_1 [L157] SORT_1 init_26_arg_1 = var_18; [L158] state_25 = init_26_arg_1 [L159] SORT_1 init_28_arg_1 = var_18; [L160] state_27 = init_28_arg_1 [L161] SORT_1 init_30_arg_1 = var_18; [L162] state_29 = init_30_arg_1 [L163] SORT_1 init_32_arg_1 = var_18; [L164] state_31 = init_32_arg_1 [L165] SORT_1 init_34_arg_1 = var_18; [L166] state_33 = init_34_arg_1 [L167] SORT_1 init_36_arg_1 = var_18; [L168] state_35 = init_36_arg_1 [L169] SORT_1 init_38_arg_1 = var_18; [L170] state_37 = init_38_arg_1 [L171] SORT_1 init_40_arg_1 = var_18; [L172] state_39 = init_40_arg_1 [L173] SORT_1 init_42_arg_1 = var_18; [L174] state_41 = init_42_arg_1 [L175] SORT_1 init_44_arg_1 = var_18; [L176] state_43 = init_44_arg_1 [L177] SORT_1 init_46_arg_1 = var_18; [L178] state_45 = init_46_arg_1 [L179] SORT_1 init_48_arg_1 = var_18; [L180] state_47 = init_48_arg_1 [L181] SORT_1 init_50_arg_1 = var_18; [L182] state_49 = init_50_arg_1 [L183] SORT_1 init_52_arg_1 = var_18; [L184] state_51 = init_52_arg_1 [L185] SORT_1 init_54_arg_1 = var_18; [L186] state_53 = init_54_arg_1 [L187] SORT_1 init_56_arg_1 = var_18; [L188] state_55 = init_56_arg_1 [L189] SORT_1 init_58_arg_1 = var_18; [L190] state_57 = init_58_arg_1 [L191] SORT_1 init_60_arg_1 = var_18; [L192] state_59 = init_60_arg_1 [L193] SORT_1 init_62_arg_1 = var_18; [L194] state_61 = init_62_arg_1 [L195] SORT_1 init_64_arg_1 = var_18; [L196] state_63 = init_64_arg_1 [L197] SORT_1 init_66_arg_1 = var_18; [L198] state_65 = init_66_arg_1 [L199] SORT_1 init_68_arg_1 = var_18; [L200] state_67 = init_68_arg_1 [L201] SORT_1 init_70_arg_1 = var_18; [L202] state_69 = init_70_arg_1 [L203] SORT_1 init_72_arg_1 = var_18; [L204] state_71 = init_72_arg_1 [L205] SORT_1 init_74_arg_1 = var_18; [L206] state_73 = init_74_arg_1 [L207] SORT_1 init_76_arg_1 = var_18; [L208] state_75 = init_76_arg_1 [L209] SORT_1 init_78_arg_1 = var_18; [L210] state_77 = init_78_arg_1 [L211] SORT_1 init_80_arg_1 = var_18; [L212] state_79 = init_80_arg_1 [L213] SORT_1 init_82_arg_1 = var_18; [L214] state_81 = init_82_arg_1 [L215] SORT_1 init_84_arg_1 = var_18; [L216] state_83 = init_84_arg_1 [L217] SORT_1 init_86_arg_1 = var_18; [L218] state_85 = init_86_arg_1 [L219] SORT_1 init_88_arg_1 = var_18; [L220] state_87 = init_88_arg_1 [L221] SORT_1 init_90_arg_1 = var_18; [L222] state_89 = init_90_arg_1 [L223] SORT_1 init_92_arg_1 = var_18; [L224] state_91 = init_92_arg_1 [L225] SORT_1 init_94_arg_1 = var_18; [L226] state_93 = init_94_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=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_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_106=2, var_108=1, var_110=0, var_115=255, var_150=3, var_154=0, var_158=255, var_95=1, var_96=0] [L229] input_105 = __VERIFIER_nondet_uchar() [L230] EXPR input_105 & mask_SORT_1 [L230] input_105 = input_105 & mask_SORT_1 [L231] input_107 = __VERIFIER_nondet_uchar() [L232] EXPR input_107 & mask_SORT_1 [L232] input_107 = input_107 & mask_SORT_1 [L233] input_109 = __VERIFIER_nondet_uchar() [L234] EXPR input_109 & mask_SORT_1 [L234] input_109 = input_109 & mask_SORT_1 [L235] input_116 = __VERIFIER_nondet_uchar() [L236] EXPR input_116 & mask_SORT_1 [L236] input_116 = input_116 & mask_SORT_1 [L237] input_117 = __VERIFIER_nondet_uchar() [L238] EXPR input_117 & mask_SORT_1 [L238] input_117 = input_117 & mask_SORT_1 [L239] input_118 = __VERIFIER_nondet_uchar() [L240] EXPR input_118 & mask_SORT_1 [L240] input_118 = input_118 & mask_SORT_1 [L241] input_119 = __VERIFIER_nondet_uchar() [L242] EXPR input_119 & mask_SORT_1 [L242] input_119 = input_119 & mask_SORT_1 [L243] input_120 = __VERIFIER_nondet_uchar() [L244] EXPR input_120 & mask_SORT_1 [L244] input_120 = input_120 & mask_SORT_1 [L245] input_121 = __VERIFIER_nondet_uchar() [L246] EXPR input_121 & mask_SORT_1 [L246] input_121 = input_121 & mask_SORT_1 [L247] input_131 = __VERIFIER_nondet_uchar() [L248] EXPR input_131 & mask_SORT_1 [L248] input_131 = input_131 & mask_SORT_1 [L249] input_132 = __VERIFIER_nondet_uchar() [L250] EXPR input_132 & mask_SORT_1 [L250] input_132 = input_132 & mask_SORT_1 [L251] input_133 = __VERIFIER_nondet_uchar() [L252] EXPR input_133 & mask_SORT_1 [L252] input_133 = input_133 & mask_SORT_1 [L253] input_134 = __VERIFIER_nondet_uchar() [L254] EXPR input_134 & mask_SORT_1 [L254] input_134 = input_134 & mask_SORT_1 [L255] input_135 = __VERIFIER_nondet_uchar() [L256] EXPR input_135 & mask_SORT_1 [L256] input_135 = input_135 & mask_SORT_1 [L257] input_136 = __VERIFIER_nondet_uchar() [L258] EXPR input_136 & mask_SORT_1 [L258] input_136 = input_136 & mask_SORT_1 [L259] input_144 = __VERIFIER_nondet_uchar() [L260] EXPR input_144 & mask_SORT_1 [L260] input_144 = input_144 & mask_SORT_1 [L261] input_145 = __VERIFIER_nondet_uchar() [L262] EXPR input_145 & mask_SORT_1 [L262] input_145 = input_145 & mask_SORT_1 [L263] input_146 = __VERIFIER_nondet_uchar() [L264] EXPR input_146 & mask_SORT_1 [L264] input_146 = input_146 & mask_SORT_1 [L265] input_147 = __VERIFIER_nondet_uchar() [L266] EXPR input_147 & mask_SORT_1 [L266] input_147 = input_147 & mask_SORT_1 [L267] input_148 = __VERIFIER_nondet_uchar() [L268] EXPR input_148 & mask_SORT_1 [L268] input_148 = input_148 & mask_SORT_1 [L269] input_149 = __VERIFIER_nondet_uchar() [L270] EXPR input_149 & mask_SORT_1 [L270] input_149 = input_149 & mask_SORT_1 [L271] input_151 = __VERIFIER_nondet_uchar() [L272] EXPR input_151 & mask_SORT_1 [L272] input_151 = input_151 & mask_SORT_1 [L273] input_152 = __VERIFIER_nondet_uchar() [L274] EXPR input_152 & mask_SORT_1 [L274] input_152 = input_152 & mask_SORT_1 [L275] input_153 = __VERIFIER_nondet_uchar() [L276] EXPR input_153 & mask_SORT_1 [L276] input_153 = input_153 & mask_SORT_1 [L277] input_180 = __VERIFIER_nondet_uchar() [L278] EXPR input_180 & mask_SORT_1 [L278] input_180 = input_180 & mask_SORT_1 [L279] input_181 = __VERIFIER_nondet_uchar() [L280] EXPR input_181 & mask_SORT_1 [L280] input_181 = input_181 & mask_SORT_1 [L281] input_182 = __VERIFIER_nondet_uchar() [L282] EXPR input_182 & mask_SORT_1 [L282] input_182 = input_182 & mask_SORT_1 [L283] input_183 = __VERIFIER_nondet_uchar() [L284] EXPR input_183 & mask_SORT_1 [L284] input_183 = input_183 & mask_SORT_1 [L285] input_184 = __VERIFIER_nondet_uchar() [L286] EXPR input_184 & mask_SORT_1 [L286] input_184 = input_184 & mask_SORT_1 [L287] input_185 = __VERIFIER_nondet_uchar() [L288] EXPR input_185 & mask_SORT_1 [L288] input_185 = input_185 & mask_SORT_1 [L289] input_186 = __VERIFIER_nondet_uchar() [L290] EXPR input_186 & mask_SORT_1 [L290] input_186 = input_186 & mask_SORT_1 [L291] input_187 = __VERIFIER_nondet_uchar() [L292] EXPR input_187 & mask_SORT_1 [L292] input_187 = input_187 & mask_SORT_1 [L293] input_212 = __VERIFIER_nondet_uchar() [L294] EXPR input_212 & mask_SORT_1 [L294] input_212 = input_212 & mask_SORT_1 [L295] input_213 = __VERIFIER_nondet_uchar() [L296] EXPR input_213 & mask_SORT_1 [L296] input_213 = input_213 & mask_SORT_1 [L297] input_214 = __VERIFIER_nondet_uchar() [L298] EXPR input_214 & mask_SORT_1 [L298] input_214 = input_214 & mask_SORT_1 [L299] input_215 = __VERIFIER_nondet_uchar() [L300] EXPR input_215 & mask_SORT_1 [L300] input_215 = input_215 & mask_SORT_1 [L301] input_216 = __VERIFIER_nondet_uchar() [L302] EXPR input_216 & mask_SORT_1 [L302] input_216 = input_216 & mask_SORT_1 [L303] input_217 = __VERIFIER_nondet_uchar() [L304] EXPR input_217 & mask_SORT_1 [L304] input_217 = input_217 & mask_SORT_1 [L305] input_218 = __VERIFIER_nondet_uchar() [L306] EXPR input_218 & mask_SORT_1 [L306] input_218 = input_218 & mask_SORT_1 [L307] input_219 = __VERIFIER_nondet_uchar() [L308] EXPR input_219 & mask_SORT_1 [L308] input_219 = input_219 & mask_SORT_1 [L309] input_269 = __VERIFIER_nondet_uchar() [L310] input_310 = __VERIFIER_nondet_uchar() [L311] input_351 = __VERIFIER_nondet_uchar() [L314] SORT_1 var_97_arg_0 = state_39; [L315] SORT_4 var_97_arg_1 = var_95; [L316] SORT_4 var_97_arg_2 = var_96; [L317] SORT_4 var_97 = var_97_arg_0 ? var_97_arg_1 : var_97_arg_2; [L318] SORT_1 var_98_arg_0 = state_63; [L319] SORT_4 var_98_arg_1 = var_95; [L320] SORT_4 var_98_arg_2 = var_96; [L321] SORT_4 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L322] SORT_4 var_99_arg_0 = var_97; [L323] SORT_4 var_99_arg_1 = var_98; [L324] SORT_4 var_99 = var_99_arg_0 + var_99_arg_1; [L325] SORT_1 var_100_arg_0 = state_87; [L326] SORT_4 var_100_arg_1 = var_95; [L327] SORT_4 var_100_arg_2 = var_96; [L328] SORT_4 var_100 = var_100_arg_0 ? var_100_arg_1 : var_100_arg_2; [L329] SORT_4 var_101_arg_0 = var_99; [L330] SORT_4 var_101_arg_1 = var_100; [L331] SORT_4 var_101 = var_101_arg_0 + var_101_arg_1; [L332] EXPR var_101 & mask_SORT_4 [L332] var_101 = var_101 & mask_SORT_4 [L333] SORT_4 var_102_arg_0 = var_101; [L334] SORT_4 var_102_arg_1 = var_95; [L335] SORT_1 var_102 = var_102_arg_0 <= var_102_arg_1; [L336] SORT_1 var_103_arg_0 = ~state_93; [L337] EXPR var_103_arg_0 & mask_SORT_1 [L337] var_103_arg_0 = var_103_arg_0 & mask_SORT_1 [L338] SORT_1 var_103_arg_1 = ~var_102; [L339] EXPR var_103_arg_1 & mask_SORT_1 [L339] var_103_arg_1 = var_103_arg_1 & mask_SORT_1 [L340] EXPR var_103_arg_0 & var_103_arg_1 [L340] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L341] EXPR var_103 & mask_SORT_1 [L341] var_103 = var_103 & mask_SORT_1 [L342] SORT_1 bad_104_arg_0 = var_103; [L343] CALL __VERIFIER_assert(!(bad_104_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: 2.3s, 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: 0.0s SsaConstructionTime, 1.1s 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 01:14:28,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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 e2d5e4d066d29b303712b9dc04f1af1c1ffcb15fb18dd718ea7f918a19a2464f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:14:31,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:14:31,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 01:14:31,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:14:31,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:14:31,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:14:31,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:14:31,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:14:31,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:14:31,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:14:31,414 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:14:31,414 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:14:31,414 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:14:31,415 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:14:31,417 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:14:31,418 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:14:31,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:14:31,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:14:31,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:14:31,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:14:31,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:14:31,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:14:31,424 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:14:31,425 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:14:31,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:14:31,425 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:14:31,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:14:31,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:14:31,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:14:31,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:14:31,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:14:31,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:14:31,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:14:31,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:14:31,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:14:31,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:14:31,428 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:14:31,429 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:14:31,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:14:31,430 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:14:31,430 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_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2d5e4d066d29b303712b9dc04f1af1c1ffcb15fb18dd718ea7f918a19a2464f [2024-11-09 01:14:31,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:14:31,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:14:31,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:14:31,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:14:31,853 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:14:31,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 01:14:33,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:14:34,251 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:14:34,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-func-interl.c [2024-11-09 01:14:34,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/data/6489721c4/5064ffdf14eb4b5fb2642fccc8ff9153/FLAG7c6836dd2 [2024-11-09 01:14:34,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/data/6489721c4/5064ffdf14eb4b5fb2642fccc8ff9153 [2024-11-09 01:14:34,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:14:34,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:14:34,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:14:34,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:14:34,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:14:34,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:14:34" (1/1) ... [2024-11-09 01:14:34,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe3f7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:34, skipping insertion in model container [2024-11-09 01:14:34,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:14:34" (1/1) ... [2024-11-09 01:14:34,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:14:34,724 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_5f8fb3ad-5d53-486f-8648-79e827a62bb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-func-interl.c[1169,1182] [2024-11-09 01:14:35,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:14:35,295 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:14:35,309 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_5f8fb3ad-5d53-486f-8648-79e827a62bb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-func-interl.c[1169,1182] [2024-11-09 01:14:35,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:14:35,596 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:14:35,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35 WrapperNode [2024-11-09 01:14:35,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:14:35,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:14:35,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:14:35,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:14:35,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35" (1/1) ... [2024-11-09 01:14:35,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35" (1/1) ... [2024-11-09 01:14:35,833 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2669 [2024-11-09 01:14:35,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:14:35,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:14:35,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:14:35,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:14:35,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35" (1/1) ... [2024-11-09 01:14:35,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35" (1/1) ... [2024-11-09 01:14:35,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35" (1/1) ... [2024-11-09 01:14:35,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35" (1/1) ... [2024-11-09 01:14:35,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35" (1/1) ... [2024-11-09 01:14:35,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35" (1/1) ... [2024-11-09 01:14:35,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35" (1/1) ... [2024-11-09 01:14:36,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35" (1/1) ... [2024-11-09 01:14:36,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:14:36,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:14:36,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:14:36,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:14:36,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35" (1/1) ... [2024-11-09 01:14:36,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:14:36,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:14:36,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:14:36,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:14:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:14:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:14:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:14:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:14:36,610 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:14:36,612 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:14:40,323 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-11-09 01:14:40,324 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:14:40,335 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:14:40,335 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:14:40,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:14:40 BoogieIcfgContainer [2024-11-09 01:14:40,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:14:40,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:14:40,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:14:40,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:14:40,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:14:34" (1/3) ... [2024-11-09 01:14:40,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181c8e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:14:40, skipping insertion in model container [2024-11-09 01:14:40,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:35" (2/3) ... [2024-11-09 01:14:40,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181c8e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:14:40, skipping insertion in model container [2024-11-09 01:14:40,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:14:40" (3/3) ... [2024-11-09 01:14:40,345 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.at.2.prop1-func-interl.c [2024-11-09 01:14:40,363 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:14:40,364 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:14:40,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:14:40,429 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;@66b82b95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:14:40,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:14:40,434 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 01:14:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 01:14:40,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:14:40,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 01:14:40,445 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:14:40,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:14:40,451 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 01:14:40,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:14:40,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625123272] [2024-11-09 01:14:40,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:14:40,471 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 01:14:40,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:14:40,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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 01:14:40,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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 01:14:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:14:41,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 01:14:41,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:14:41,534 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 01:14:41,534 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:14:41,535 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:14:41,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625123272] [2024-11-09 01:14:41,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1625123272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:14:41,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:14:41,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:14:41,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599205495] [2024-11-09 01:14:41,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:14:41,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:14:41,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:14:41,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:14:41,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:14:41,574 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 01:14:41,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:14:41,850 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 01:14:41,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:14:41,852 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 01:14:41,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:14:41,861 INFO L225 Difference]: With dead ends: 19 [2024-11-09 01:14:41,861 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 01:14:41,864 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 01:14:41,868 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:14:41,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 01:14:41,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 01:14:41,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 01:14:41,902 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 01:14:41,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 01:14:41,904 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 01:14:41,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:14:41,905 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 01:14:41,905 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 01:14:41,905 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 01:14:41,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 01:14:41,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:14:41,906 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 01:14:41,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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)] Ended with exit code 0 [2024-11-09 01:14:42,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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 01:14:42,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:14:42,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:14:42,111 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 01:14:42,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:14:42,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286359761] [2024-11-09 01:14:42,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:14:42,115 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 01:14:42,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:14:42,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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 01:14:42,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8fb3ad-5d53-486f-8648-79e827a62bb2/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 01:14:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:14:43,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-09 01:14:43,087 INFO L278 TraceCheckSpWp]: Computing forward predicates...