./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2 --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 82abe2bc16b32af306db7c09a41c9db0587ba64425916c43bed05447e1d05407 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:15,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:15,508 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:35:15,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:15,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:15,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:15,557 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:15,558 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:15,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:15,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:15,560 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:15,561 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:15,561 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:15,561 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:35:15,562 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:15,563 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:15,563 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:35:15,564 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:35:15,564 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:15,564 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:35:15,565 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:35:15,565 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:35:15,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:15,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:15,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:35:15,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:15,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:15,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:15,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:15,569 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:15,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:15,569 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:15,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:15,570 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:15,570 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:15,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:15,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:15,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:15,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:15,572 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:35:15,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:35:15,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:15,573 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:15,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:15,574 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_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82abe2bc16b32af306db7c09a41c9db0587ba64425916c43bed05447e1d05407 [2024-11-02 12:35:15,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:15,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:15,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:15,974 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:15,974 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:15,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-02 12:35:17,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:35:18,156 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:35:18,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-11-02 12:35:18,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/data/dba861c16/02803039028a449bac442441d0c484b9/FLAG1a1b14db1 [2024-11-02 12:35:18,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/data/dba861c16/02803039028a449bac442441d0c484b9 [2024-11-02 12:35:18,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:35:18,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:35:18,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:18,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:35:18,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:35:18,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:18" (1/1) ... [2024-11-02 12:35:18,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e75528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:18, skipping insertion in model container [2024-11-02 12:35:18,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:18" (1/1) ... [2024-11-02 12:35:18,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:35:18,490 WARN L251 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_a819850b-350b-4ece-879c-9aa6983e1148/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c[1174,1187] [2024-11-02 12:35:18,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:18,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:35:18,923 WARN L251 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_a819850b-350b-4ece-879c-9aa6983e1148/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c[1174,1187] [2024-11-02 12:35:19,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:19,091 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:35:19,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19 WrapperNode [2024-11-02 12:35:19,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:19,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:19,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:35:19,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:35:19,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19" (1/1) ... [2024-11-02 12:35:19,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19" (1/1) ... [2024-11-02 12:35:19,578 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3785 [2024-11-02 12:35:19,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:19,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:35:19,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:35:19,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:35:19,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19" (1/1) ... [2024-11-02 12:35:19,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19" (1/1) ... [2024-11-02 12:35:19,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19" (1/1) ... [2024-11-02 12:35:19,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19" (1/1) ... [2024-11-02 12:35:20,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19" (1/1) ... [2024-11-02 12:35:20,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19" (1/1) ... [2024-11-02 12:35:20,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19" (1/1) ... [2024-11-02 12:35:20,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19" (1/1) ... [2024-11-02 12:35:20,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:35:20,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:35:20,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:35:20,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:35:20,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19" (1/1) ... [2024-11-02 12:35:20,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:20,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:20,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:35:20,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:35:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:35:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:35:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:35:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:35:21,039 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:35:21,042 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:35:26,484 INFO L? ?]: Removed 2119 outVars from TransFormulas that were not future-live. [2024-11-02 12:35:26,486 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:35:34,979 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:35:34,979 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:35:34,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:34 BoogieIcfgContainer [2024-11-02 12:35:34,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:35:34,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:35:34,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:35:34,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:35:34,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:35:18" (1/3) ... [2024-11-02 12:35:34,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49fd6867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:34, skipping insertion in model container [2024-11-02 12:35:34,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:19" (2/3) ... [2024-11-02 12:35:34,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49fd6867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:34, skipping insertion in model container [2024-11-02 12:35:34,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:34" (3/3) ... [2024-11-02 12:35:34,991 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-11-02 12:35:35,015 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:35:35,016 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:35:35,088 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:35:35,098 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;@69ed6a25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:35:35,099 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:35:35,103 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) [2024-11-02 12:35:35,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-02 12:35:35,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:35,110 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-02 12:35:35,111 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:35,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:35,116 INFO L85 PathProgramCache]: Analyzing trace with hash 193272366, now seen corresponding path program 1 times [2024-11-02 12:35:35,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:35:35,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681671426] [2024-11-02 12:35:35,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:35,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:35:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:35:35,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:35:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:35:36,136 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:35:36,138 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:35:36,139 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:35:36,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:35:36,145 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:35:36,186 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:35:36,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:35:36 BoogieIcfgContainer [2024-11-02 12:35:36,191 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:35:36,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:35:36,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:35:36,194 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:35:36,194 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:34" (3/4) ... [2024-11-02 12:35:36,197 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:35:36,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:35:36,199 INFO L158 Benchmark]: Toolchain (without parser) took 18005.22ms. Allocated memory was 186.6MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 120.4MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 204.5MB. Max. memory is 16.1GB. [2024-11-02 12:35:36,200 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 186.6MB. Free memory is still 158.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:35:36,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 894.79ms. Allocated memory is still 186.6MB. Free memory was 120.2MB in the beginning and 117.5MB in the end (delta: 2.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-02 12:35:36,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 485.19ms. Allocated memory is still 186.6MB. Free memory was 117.5MB in the beginning and 70.1MB in the end (delta: 47.4MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2024-11-02 12:35:36,202 INFO L158 Benchmark]: Boogie Preprocessor took 953.46ms. Allocated memory was 186.6MB in the beginning and 362.8MB in the end (delta: 176.2MB). Free memory was 70.1MB in the beginning and 244.9MB in the end (delta: -174.8MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-11-02 12:35:36,204 INFO L158 Benchmark]: RCFGBuilder took 14446.48ms. Allocated memory was 362.8MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 244.9MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 555.7MB. Max. memory is 16.1GB. [2024-11-02 12:35:36,204 INFO L158 Benchmark]: TraceAbstraction took 1209.34ms. Allocated memory is still 2.2GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: -57.3MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-02 12:35:36,206 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 2.2GB. Free memory is still 1.9GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:35:36,208 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 186.6MB. Free memory is still 158.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 894.79ms. Allocated memory is still 186.6MB. Free memory was 120.2MB in the beginning and 117.5MB in the end (delta: 2.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 485.19ms. Allocated memory is still 186.6MB. Free memory was 117.5MB in the beginning and 70.1MB in the end (delta: 47.4MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 953.46ms. Allocated memory was 186.6MB in the beginning and 362.8MB in the end (delta: 176.2MB). Free memory was 70.1MB in the beginning and 244.9MB in the end (delta: -174.8MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * RCFGBuilder took 14446.48ms. Allocated memory was 362.8MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 244.9MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 555.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1209.34ms. Allocated memory is still 2.2GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: -57.3MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 2.2GB. Free memory is still 1.9GB. 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 128. 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_14 = 0; [L40] const SORT_4 var_43 = 1; [L41] const SORT_4 var_44 = 0; [L42] const SORT_2 var_54 = 0; [L43] const SORT_2 var_56 = 3; [L44] const SORT_2 var_59 = 2; [L45] const SORT_2 var_62 = 1; [L46] const SORT_2 var_70 = 255; [L47] const SORT_3 var_74 = 0; [L48] const SORT_4 var_78 = 255; [L50] SORT_1 input_53; [L51] SORT_1 input_55; [L52] SORT_1 input_57; [L53] SORT_1 input_58; [L54] SORT_1 input_60; [L55] SORT_1 input_61; [L56] SORT_1 input_71; [L57] SORT_1 input_72; [L58] SORT_1 input_73; [L59] SORT_1 input_90; [L60] SORT_1 input_91; [L61] SORT_1 input_106; [L62] SORT_1 input_107; [L63] SORT_1 input_124; [L64] SORT_1 input_132; [L65] SORT_1 input_140; [L66] SORT_1 input_148; [L67] SORT_1 input_156; [L68] SORT_1 input_164; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L70] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L71] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L72] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L73] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] SORT_2 init_7_arg_1 = var_5; [L90] state_6 = init_7_arg_1 [L91] SORT_2 init_9_arg_1 = var_5; [L92] state_8 = init_9_arg_1 [L93] SORT_2 init_11_arg_1 = var_5; [L94] state_10 = init_11_arg_1 [L95] SORT_2 init_13_arg_1 = var_5; [L96] state_12 = init_13_arg_1 [L97] SORT_1 init_16_arg_1 = var_14; [L98] state_15 = init_16_arg_1 [L99] SORT_1 init_18_arg_1 = var_14; [L100] state_17 = init_18_arg_1 [L101] SORT_1 init_20_arg_1 = var_14; [L102] state_19 = init_20_arg_1 [L103] SORT_1 init_22_arg_1 = var_14; [L104] state_21 = init_22_arg_1 [L105] SORT_1 init_24_arg_1 = var_14; [L106] state_23 = init_24_arg_1 [L107] SORT_1 init_26_arg_1 = var_14; [L108] state_25 = init_26_arg_1 [L109] SORT_1 init_28_arg_1 = var_14; [L110] state_27 = init_28_arg_1 [L111] SORT_1 init_30_arg_1 = var_14; [L112] state_29 = init_30_arg_1 [L113] SORT_1 init_32_arg_1 = var_14; [L114] state_31 = init_32_arg_1 [L115] SORT_1 init_34_arg_1 = var_14; [L116] state_33 = init_34_arg_1 [L117] SORT_1 init_36_arg_1 = var_14; [L118] state_35 = init_36_arg_1 [L119] SORT_1 init_38_arg_1 = var_14; [L120] state_37 = init_38_arg_1 [L121] SORT_1 init_40_arg_1 = var_14; [L122] state_39 = init_40_arg_1 [L123] SORT_1 init_42_arg_1 = var_14; [L124] state_41 = init_42_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=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_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L127] input_53 = __VERIFIER_nondet_uchar() [L128] EXPR input_53 & mask_SORT_1 [L128] input_53 = input_53 & mask_SORT_1 [L129] input_55 = __VERIFIER_nondet_uchar() [L130] EXPR input_55 & mask_SORT_1 [L130] input_55 = input_55 & mask_SORT_1 [L131] input_57 = __VERIFIER_nondet_uchar() [L132] EXPR input_57 & mask_SORT_1 [L132] input_57 = input_57 & mask_SORT_1 [L133] input_58 = __VERIFIER_nondet_uchar() [L134] EXPR input_58 & mask_SORT_1 [L134] input_58 = input_58 & mask_SORT_1 [L135] input_60 = __VERIFIER_nondet_uchar() [L136] EXPR input_60 & mask_SORT_1 [L136] input_60 = input_60 & mask_SORT_1 [L137] input_61 = __VERIFIER_nondet_uchar() [L138] EXPR input_61 & mask_SORT_1 [L138] input_61 = input_61 & mask_SORT_1 [L139] input_71 = __VERIFIER_nondet_uchar() [L140] EXPR input_71 & mask_SORT_1 [L140] input_71 = input_71 & mask_SORT_1 [L141] input_72 = __VERIFIER_nondet_uchar() [L142] EXPR input_72 & mask_SORT_1 [L142] input_72 = input_72 & mask_SORT_1 [L143] input_73 = __VERIFIER_nondet_uchar() [L144] EXPR input_73 & mask_SORT_1 [L144] input_73 = input_73 & mask_SORT_1 [L145] input_90 = __VERIFIER_nondet_uchar() [L146] EXPR input_90 & mask_SORT_1 [L146] input_90 = input_90 & mask_SORT_1 [L147] input_91 = __VERIFIER_nondet_uchar() [L148] EXPR input_91 & mask_SORT_1 [L148] input_91 = input_91 & mask_SORT_1 [L149] input_106 = __VERIFIER_nondet_uchar() [L150] EXPR input_106 & mask_SORT_1 [L150] input_106 = input_106 & mask_SORT_1 [L151] input_107 = __VERIFIER_nondet_uchar() [L152] EXPR input_107 & mask_SORT_1 [L152] input_107 = input_107 & mask_SORT_1 [L153] input_124 = __VERIFIER_nondet_uchar() [L154] input_132 = __VERIFIER_nondet_uchar() [L155] input_140 = __VERIFIER_nondet_uchar() [L156] input_148 = __VERIFIER_nondet_uchar() [L157] input_156 = __VERIFIER_nondet_uchar() [L158] input_164 = __VERIFIER_nondet_uchar() [L161] SORT_1 var_45_arg_0 = state_23; [L162] SORT_4 var_45_arg_1 = var_43; [L163] SORT_4 var_45_arg_2 = var_44; [L164] SORT_4 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L165] SORT_1 var_46_arg_0 = state_31; [L166] SORT_4 var_46_arg_1 = var_43; [L167] SORT_4 var_46_arg_2 = var_44; [L168] SORT_4 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L169] SORT_4 var_47_arg_0 = var_45; [L170] SORT_4 var_47_arg_1 = var_46; [L171] SORT_4 var_47 = var_47_arg_0 + var_47_arg_1; [L172] SORT_1 var_48_arg_0 = state_39; [L173] SORT_4 var_48_arg_1 = var_43; [L174] SORT_4 var_48_arg_2 = var_44; [L175] SORT_4 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L176] SORT_4 var_49_arg_0 = var_47; [L177] SORT_4 var_49_arg_1 = var_48; [L178] SORT_4 var_49 = var_49_arg_0 + var_49_arg_1; [L179] EXPR var_49 & mask_SORT_4 [L179] var_49 = var_49 & mask_SORT_4 [L180] SORT_4 var_50_arg_0 = var_49; [L181] SORT_4 var_50_arg_1 = var_43; [L182] SORT_1 var_50 = var_50_arg_0 <= var_50_arg_1; [L183] SORT_1 var_51_arg_0 = ~state_41; [L184] EXPR var_51_arg_0 & mask_SORT_1 [L184] var_51_arg_0 = var_51_arg_0 & mask_SORT_1 [L185] SORT_1 var_51_arg_1 = ~var_50; [L186] EXPR var_51_arg_1 & mask_SORT_1 [L186] var_51_arg_1 = var_51_arg_1 & mask_SORT_1 [L187] EXPR var_51_arg_0 & var_51_arg_1 [L187] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L188] EXPR var_51 & mask_SORT_1 [L188] var_51 = var_51 & mask_SORT_1 [L189] SORT_1 bad_52_arg_0 = var_51; [L190] CALL __VERIFIER_assert(!(bad_52_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: 1.1s, 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, 0.4s 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 [2024-11-02 12:35:36,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/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_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2 --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 82abe2bc16b32af306db7c09a41c9db0587ba64425916c43bed05447e1d05407 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:39,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:39,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-02 12:35:39,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:39,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:39,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:39,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:39,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:39,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:39,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:39,238 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:39,239 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:39,239 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:39,241 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:39,242 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:39,242 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:39,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:39,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:39,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:39,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:39,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:39,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:39,247 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:35:39,247 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:35:39,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:39,248 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:35:39,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:39,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:39,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:39,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:35:39,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:39,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:39,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:39,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:39,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:39,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:39,251 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:35:39,252 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:35:39,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:39,252 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:39,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:39,254 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82abe2bc16b32af306db7c09a41c9db0587ba64425916c43bed05447e1d05407 [2024-11-02 12:35:39,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:39,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:39,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:39,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:39,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:39,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-02 12:35:41,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:35:42,014 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:35:42,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-11-02 12:35:42,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/data/af66eb88a/66128d457a1c4011a166592dcd70ac61/FLAG2e3b5b0de [2024-11-02 12:35:42,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/data/af66eb88a/66128d457a1c4011a166592dcd70ac61 [2024-11-02 12:35:42,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:35:42,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:35:42,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:42,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:35:42,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:35:42,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:42" (1/1) ... [2024-11-02 12:35:42,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d55ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:42, skipping insertion in model container [2024-11-02 12:35:42,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:42" (1/1) ... [2024-11-02 12:35:42,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:35:42,643 WARN L251 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_a819850b-350b-4ece-879c-9aa6983e1148/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c[1174,1187] [2024-11-02 12:35:43,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:43,025 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:35:43,038 WARN L251 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_a819850b-350b-4ece-879c-9aa6983e1148/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c[1174,1187] [2024-11-02 12:35:43,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:43,226 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:35:43,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43 WrapperNode [2024-11-02 12:35:43,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:43,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:43,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:35:43,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:35:43,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43" (1/1) ... [2024-11-02 12:35:43,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43" (1/1) ... [2024-11-02 12:35:43,348 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1149 [2024-11-02 12:35:43,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:43,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:35:43,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:35:43,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:35:43,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43" (1/1) ... [2024-11-02 12:35:43,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43" (1/1) ... [2024-11-02 12:35:43,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43" (1/1) ... [2024-11-02 12:35:43,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43" (1/1) ... [2024-11-02 12:35:43,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43" (1/1) ... [2024-11-02 12:35:43,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43" (1/1) ... [2024-11-02 12:35:43,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43" (1/1) ... [2024-11-02 12:35:43,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43" (1/1) ... [2024-11-02 12:35:43,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:35:43,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:35:43,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:35:43,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:35:43,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43" (1/1) ... [2024-11-02 12:35:43,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:43,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:43,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:35:43,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:35:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:35:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:35:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:35:43,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:35:43,815 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:35:43,818 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:35:45,205 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-02 12:35:45,205 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:35:45,217 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:35:45,217 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:35:45,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:45 BoogieIcfgContainer [2024-11-02 12:35:45,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:35:45,220 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:35:45,220 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:35:45,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:35:45,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:35:42" (1/3) ... [2024-11-02 12:35:45,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2cdda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:45, skipping insertion in model container [2024-11-02 12:35:45,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:43" (2/3) ... [2024-11-02 12:35:45,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2cdda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:45, skipping insertion in model container [2024-11-02 12:35:45,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:45" (3/3) ... [2024-11-02 12:35:45,227 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-11-02 12:35:45,247 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:35:45,248 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:35:45,317 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:35:45,324 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;@b73f5f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:35:45,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:35:45,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-11-02 12:35:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-02 12:35:45,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:45,337 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-02 12:35:45,337 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:45,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:45,345 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-02 12:35:45,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:45,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554068388] [2024-11-02 12:35:45,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:45,363 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 [2024-11-02 12:35:45,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:45,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:35:45,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a819850b-350b-4ece-879c-9aa6983e1148/bin/utaipan-verify-DbMuA5NWw2/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