./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.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_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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 d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:23,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:23,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:28:23,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:23,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:23,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:23,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:23,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:23,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:23,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:23,133 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:23,133 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:23,133 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:23,134 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:28:23,134 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:23,134 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:23,135 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:28:23,135 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:28:23,136 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:23,136 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:28:23,136 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:28:23,141 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:28:23,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:23,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:23,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:28:23,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:23,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:23,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:23,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:23,144 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:23,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:23,148 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:23,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:23,148 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:23,149 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:23,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:23,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:23,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:23,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:28:23,150 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:28:23,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:28:23,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:23,155 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:23,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:23,156 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_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e [2024-11-02 12:28:23,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:23,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:23,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:23,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:23,467 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:23,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c Unable to find full path for "g++" [2024-11-02 12:28:25,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:25,921 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:25,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2024-11-02 12:28:25,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/data/421d348d5/9d665eb275cc4db5bf2f893f50d839f6/FLAGfa5bd0618 [2024-11-02 12:28:25,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/data/421d348d5/9d665eb275cc4db5bf2f893f50d839f6 [2024-11-02 12:28:25,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:25,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:25,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:25,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:25,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:25,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:25" (1/1) ... [2024-11-02 12:28:25,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee1b859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:25, skipping insertion in model container [2024-11-02 12:28:25,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:25" (1/1) ... [2024-11-02 12:28:26,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:26,303 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_d426dd65-e607-47c0-a6d3-0f45d44da3a0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2024-11-02 12:28:26,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:26,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:26,729 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_d426dd65-e607-47c0-a6d3-0f45d44da3a0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2024-11-02 12:28:27,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:27,063 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:27,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27 WrapperNode [2024-11-02 12:28:27,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:27,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:27,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:27,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:27,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27" (1/1) ... [2024-11-02 12:28:27,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27" (1/1) ... [2024-11-02 12:28:27,437 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2239 [2024-11-02 12:28:27,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:27,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:27,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:27,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:27,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27" (1/1) ... [2024-11-02 12:28:27,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27" (1/1) ... [2024-11-02 12:28:27,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27" (1/1) ... [2024-11-02 12:28:27,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27" (1/1) ... [2024-11-02 12:28:27,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27" (1/1) ... [2024-11-02 12:28:27,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27" (1/1) ... [2024-11-02 12:28:27,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27" (1/1) ... [2024-11-02 12:28:27,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27" (1/1) ... [2024-11-02 12:28:27,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:27,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:27,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:27,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:27,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27" (1/1) ... [2024-11-02 12:28:27,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:27,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:27,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:27,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:28:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:28,222 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:28,225 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:31,545 INFO L? ?]: Removed 1401 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:31,547 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:36,254 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:36,254 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:28:36,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:36 BoogieIcfgContainer [2024-11-02 12:28:36,255 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:36,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:36,257 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:36,261 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:36,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:25" (1/3) ... [2024-11-02 12:28:36,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdc62f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:36, skipping insertion in model container [2024-11-02 12:28:36,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:27" (2/3) ... [2024-11-02 12:28:36,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdc62f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:36, skipping insertion in model container [2024-11-02 12:28:36,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:36" (3/3) ... [2024-11-02 12:28:36,267 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p12.c [2024-11-02 12:28:36,289 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:36,289 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:36,363 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:36,372 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;@6513f1b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:36,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:36,378 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 12:28:36,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-02 12:28:36,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:36,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-02 12:28:36,387 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:36,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:36,395 INFO L85 PathProgramCache]: Analyzing trace with hash 83180722, now seen corresponding path program 1 times [2024-11-02 12:28:36,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:36,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668770176] [2024-11-02 12:28:36,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:36,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:37,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:28:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:37,641 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:28:37,644 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:28:37,646 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:28:37,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:28:37,653 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:28:37,698 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:28:37,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:28:37 BoogieIcfgContainer [2024-11-02 12:28:37,702 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:28:37,703 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:28:37,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:28:37,703 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:28:37,704 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:36" (3/4) ... [2024-11-02 12:28:37,709 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:28:37,710 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:28:37,711 INFO L158 Benchmark]: Toolchain (without parser) took 11750.71ms. Allocated memory was 151.0MB in the beginning and 486.5MB in the end (delta: 335.5MB). Free memory was 107.2MB in the beginning and 290.2MB in the end (delta: -183.0MB). Peak memory consumption was 155.4MB. Max. memory is 16.1GB. [2024-11-02 12:28:37,712 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory was 121.3MB in the beginning and 121.3MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:37,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1102.25ms. Allocated memory was 151.0MB in the beginning and 218.1MB in the end (delta: 67.1MB). Free memory was 107.2MB in the beginning and 169.4MB in the end (delta: -62.2MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2024-11-02 12:28:37,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 372.49ms. Allocated memory is still 218.1MB. Free memory was 168.4MB in the beginning and 117.0MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-02 12:28:37,718 INFO L158 Benchmark]: Boogie Preprocessor took 272.39ms. Allocated memory is still 218.1MB. Free memory was 117.0MB in the beginning and 98.7MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-02 12:28:37,719 INFO L158 Benchmark]: RCFGBuilder took 8542.03ms. Allocated memory was 218.1MB in the beginning and 486.5MB in the end (delta: 268.4MB). Free memory was 98.7MB in the beginning and 149.5MB in the end (delta: -50.8MB). Peak memory consumption was 239.1MB. Max. memory is 16.1GB. [2024-11-02 12:28:37,721 INFO L158 Benchmark]: TraceAbstraction took 1444.81ms. Allocated memory is still 486.5MB. Free memory was 148.4MB in the beginning and 290.2MB in the end (delta: -141.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:37,721 INFO L158 Benchmark]: Witness Printer took 7.71ms. Allocated memory is still 486.5MB. Free memory is still 290.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:37,724 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory was 121.3MB in the beginning and 121.3MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1102.25ms. Allocated memory was 151.0MB in the beginning and 218.1MB in the end (delta: 67.1MB). Free memory was 107.2MB in the beginning and 169.4MB in the end (delta: -62.2MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 372.49ms. Allocated memory is still 218.1MB. Free memory was 168.4MB in the beginning and 117.0MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 272.39ms. Allocated memory is still 218.1MB. Free memory was 117.0MB in the beginning and 98.7MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 8542.03ms. Allocated memory was 218.1MB in the beginning and 486.5MB in the end (delta: 268.4MB). Free memory was 98.7MB in the beginning and 149.5MB in the end (delta: -50.8MB). Peak memory consumption was 239.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1444.81ms. Allocated memory is still 486.5MB. Free memory was 148.4MB in the beginning and 290.2MB in the end (delta: -141.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.71ms. Allocated memory is still 486.5MB. Free memory is still 290.2MB. 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 bitwiseOr at line 152, overapproximation of bitwiseAnd at line 159. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 3); [L36] const SORT_7 msb_SORT_7 = (SORT_7)1 << (3 - 1); [L38] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 2); [L39] const SORT_26 msb_SORT_26 = (SORT_26)1 << (2 - 1); [L41] const SORT_108 mask_SORT_108 = (SORT_108)-1 >> (sizeof(SORT_108) * 8 - 4); [L42] const SORT_108 msb_SORT_108 = (SORT_108)1 << (4 - 1); [L44] const SORT_165 mask_SORT_165 = (SORT_165)-1 >> (sizeof(SORT_165) * 8 - 32); [L45] const SORT_165 msb_SORT_165 = (SORT_165)1 << (32 - 1); [L47] const SORT_7 var_8 = 0; [L48] const SORT_3 var_15 = 0; [L49] const SORT_1 var_41 = 1; [L50] const SORT_1 var_51 = 0; [L51] const SORT_5 var_54 = 0; [L52] const SORT_7 var_68 = 2; [L53] const SORT_7 var_72 = 1; [L54] const SORT_7 var_77 = 4; [L55] const SORT_7 var_79 = 5; [L56] const SORT_7 var_83 = 3; [L57] const SORT_3 var_95 = 2; [L58] const SORT_7 var_125 = 7; [L59] const SORT_7 var_130 = 6; [L60] const SORT_165 var_167 = 0; [L61] const SORT_3 var_197 = 31; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_186; [L67] SORT_3 input_187; [L68] SORT_3 input_188; [L69] SORT_3 input_196; [L70] SORT_3 input_206; [L71] SORT_3 input_207; [L72] SORT_3 input_208; [L73] SORT_3 input_211; [L74] SORT_3 input_230; [L75] SORT_3 input_231; [L76] SORT_3 input_232; [L77] SORT_3 input_235; [L78] SORT_3 input_237; [L79] SORT_26 input_251; [L80] SORT_26 input_252; [L81] SORT_26 input_253; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 [L83] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L84] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L85] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L86] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L87] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L88] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L90] SORT_5 state_55 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L91] SORT_3 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L95] SORT_3 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] SORT_7 init_10_arg_1 = var_8; [L98] state_9 = init_10_arg_1 [L99] SORT_3 init_17_arg_1 = var_15; [L100] state_16 = init_17_arg_1 [L101] SORT_3 init_20_arg_1 = var_15; [L102] state_19 = init_20_arg_1 [L103] SORT_3 init_46_arg_1 = var_15; [L104] state_45 = init_46_arg_1 [L105] SORT_3 init_48_arg_1 = var_15; [L106] state_47 = init_48_arg_1 [L107] SORT_3 init_50_arg_1 = var_15; [L108] state_49 = init_50_arg_1 [L109] SORT_1 init_53_arg_1 = var_51; [L110] state_52 = init_53_arg_1 [L111] SORT_5 init_56_arg_1 = var_54; [L112] state_55 = init_56_arg_1 [L113] SORT_3 init_58_arg_1 = var_15; [L114] state_57 = init_58_arg_1 [L115] SORT_3 init_60_arg_1 = var_15; [L116] state_59 = init_60_arg_1 [L117] SORT_3 init_62_arg_1 = var_15; [L118] state_61 = init_62_arg_1 [L119] SORT_3 init_64_arg_1 = var_15; [L120] state_63 = init_64_arg_1 [L121] SORT_3 init_66_arg_1 = var_15; [L122] state_65 = init_66_arg_1 VAL [mask_SORT_108=15, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_3=31, mask_SORT_7=7, state_16=0, state_19=0, state_45=0, state_47=0, state_49=0, state_52=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_9=0, var_125=7, var_130=6, var_15=0, var_167=0, var_197=31, var_41=1, var_51=0, var_68=2, var_72=1, var_77=4, var_79=5, var_83=3, var_8=0, var_95=2] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_186 = __VERIFIER_nondet_uchar() [L129] input_187 = __VERIFIER_nondet_uchar() [L130] input_188 = __VERIFIER_nondet_uchar() [L131] input_196 = __VERIFIER_nondet_uchar() [L132] input_206 = __VERIFIER_nondet_uchar() [L133] input_207 = __VERIFIER_nondet_uchar() [L134] input_208 = __VERIFIER_nondet_uchar() [L135] input_211 = __VERIFIER_nondet_uchar() [L136] input_230 = __VERIFIER_nondet_uchar() [L137] input_231 = __VERIFIER_nondet_uchar() [L138] input_232 = __VERIFIER_nondet_uchar() [L139] input_235 = __VERIFIER_nondet_uchar() [L140] input_237 = __VERIFIER_nondet_uchar() [L141] input_251 = __VERIFIER_nondet_uchar() [L142] input_252 = __VERIFIER_nondet_uchar() [L143] input_253 = __VERIFIER_nondet_uchar() [L146] SORT_7 var_11_arg_0 = state_9; [L147] SORT_1 var_11 = var_11_arg_0 >> 0; [L148] SORT_7 var_12_arg_0 = state_9; [L149] SORT_1 var_12 = var_12_arg_0 >> 1; [L150] SORT_1 var_13_arg_0 = var_11; [L151] SORT_1 var_13_arg_1 = var_12; [L152] EXPR var_13_arg_0 | var_13_arg_1 [L152] SORT_1 var_13 = var_13_arg_0 | var_13_arg_1; [L153] SORT_1 var_14_arg_0 = var_13; [L154] SORT_1 var_14 = ~var_14_arg_0; [L155] SORT_3 var_18_arg_0 = state_16; [L156] SORT_1 var_18 = var_18_arg_0 >> 1; [L157] SORT_3 var_21_arg_0 = state_19; [L158] SORT_7 var_21 = var_21_arg_0 >> 2; [L159] EXPR var_21 & mask_SORT_7 [L159] var_21 = var_21 & mask_SORT_7 [L160] SORT_3 var_22_arg_0 = state_16; [L161] SORT_7 var_22 = var_22_arg_0 >> 2; [L162] EXPR var_22 & mask_SORT_7 [L162] var_22 = var_22 & mask_SORT_7 [L163] SORT_7 var_23_arg_0 = var_21; [L164] SORT_7 var_23_arg_1 = var_22; [L165] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L166] SORT_1 var_24_arg_0 = var_18; [L167] SORT_1 var_24_arg_1 = var_23; [L168] EXPR var_24_arg_0 | var_24_arg_1 [L168] SORT_1 var_24 = var_24_arg_0 | var_24_arg_1; [L169] SORT_3 var_25_arg_0 = state_16; [L170] SORT_1 var_25 = var_25_arg_0 >> 2; [L171] SORT_3 var_27_arg_0 = state_19; [L172] SORT_26 var_27 = var_27_arg_0 >> 3; [L173] EXPR var_27 & mask_SORT_26 [L173] var_27 = var_27 & mask_SORT_26 [L174] SORT_3 var_28_arg_0 = state_16; [L175] SORT_26 var_28 = var_28_arg_0 >> 3; [L176] EXPR var_28 & mask_SORT_26 [L176] var_28 = var_28 & mask_SORT_26 [L177] SORT_26 var_29_arg_0 = var_27; [L178] SORT_26 var_29_arg_1 = var_28; [L179] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L180] SORT_1 var_30_arg_0 = var_25; [L181] SORT_1 var_30_arg_1 = var_29; [L182] EXPR var_30_arg_0 | var_30_arg_1 [L182] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L183] SORT_1 var_31_arg_0 = var_24; [L184] SORT_1 var_31_arg_1 = var_30; [L185] EXPR var_31_arg_0 & var_31_arg_1 [L185] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L186] SORT_3 var_32_arg_0 = state_16; [L187] SORT_1 var_32 = var_32_arg_0 >> 3; [L188] SORT_3 var_33_arg_0 = state_19; [L189] SORT_1 var_33 = var_33_arg_0 >> 4; [L190] EXPR var_33 & mask_SORT_1 [L190] var_33 = var_33 & mask_SORT_1 [L191] SORT_3 var_34_arg_0 = state_16; [L192] SORT_1 var_34 = var_34_arg_0 >> 4; [L193] EXPR var_34 & mask_SORT_1 [L193] var_34 = var_34 & mask_SORT_1 [L194] SORT_1 var_35_arg_0 = var_33; [L195] SORT_1 var_35_arg_1 = var_34; [L196] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L197] SORT_1 var_36_arg_0 = var_32; [L198] SORT_1 var_36_arg_1 = var_35; [L199] EXPR var_36_arg_0 | var_36_arg_1 [L199] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L200] SORT_1 var_37_arg_0 = var_31; [L201] SORT_1 var_37_arg_1 = var_36; [L202] EXPR var_37_arg_0 & var_37_arg_1 [L202] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L203] SORT_1 var_38_arg_0 = var_14; [L204] SORT_1 var_38_arg_1 = var_37; [L205] EXPR var_38_arg_0 | var_38_arg_1 [L205] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L206] SORT_1 var_42_arg_0 = var_38; [L207] SORT_1 var_42 = ~var_42_arg_0; [L208] SORT_1 var_43_arg_0 = var_41; [L209] SORT_1 var_43_arg_1 = var_42; [L210] EXPR var_43_arg_0 & var_43_arg_1 [L210] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L211] EXPR var_43 & mask_SORT_1 [L211] var_43 = var_43 & mask_SORT_1 [L212] SORT_1 bad_44_arg_0 = var_43; [L213] CALL __VERIFIER_assert(!(bad_44_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: 1.3s, 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, 0.7s 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 12:28:37,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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 d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:40,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:40,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-02 12:28:40,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:40,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:40,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:40,594 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:40,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:40,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:40,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:40,598 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:40,599 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:40,599 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:40,600 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:40,600 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:40,602 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:40,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:40,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:40,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:40,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:40,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:40,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:40,608 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:28:40,608 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:28:40,609 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:40,609 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:28:40,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:40,609 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:40,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:40,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:28:40,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:40,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:40,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:40,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:40,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:40,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:28:40,613 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:28:40,614 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:28:40,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:40,614 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:40,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:40,616 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_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e [2024-11-02 12:28:41,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:41,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:41,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:41,092 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:41,093 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:41,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c Unable to find full path for "g++" [2024-11-02 12:28:43,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:43,499 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:43,500 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2024-11-02 12:28:43,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/data/246d70016/2f449791f31943fc95d73f728698a777/FLAG12eddd7c5 [2024-11-02 12:28:43,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/data/246d70016/2f449791f31943fc95d73f728698a777 [2024-11-02 12:28:43,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:43,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:43,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:43,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:43,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:43,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:43" (1/1) ... [2024-11-02 12:28:43,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608f2cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:43, skipping insertion in model container [2024-11-02 12:28:43,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:43" (1/1) ... [2024-11-02 12:28:43,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:43,850 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_d426dd65-e607-47c0-a6d3-0f45d44da3a0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2024-11-02 12:28:44,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:44,219 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:44,229 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_d426dd65-e607-47c0-a6d3-0f45d44da3a0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2024-11-02 12:28:44,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:44,412 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:44,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44 WrapperNode [2024-11-02 12:28:44,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:44,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:44,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:44,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:44,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,559 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1117 [2024-11-02 12:28:44,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:44,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:44,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:44,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:44,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:44,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:44,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:44,693 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:44,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:44,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:44,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:44,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:28:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:45,127 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:45,130 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:47,152 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:47,152 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:47,169 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:47,170 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:28:47,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:47 BoogieIcfgContainer [2024-11-02 12:28:47,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:47,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:47,175 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:47,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:47,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:43" (1/3) ... [2024-11-02 12:28:47,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e407944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:47, skipping insertion in model container [2024-11-02 12:28:47,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44" (2/3) ... [2024-11-02 12:28:47,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e407944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:47, skipping insertion in model container [2024-11-02 12:28:47,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:47" (3/3) ... [2024-11-02 12:28:47,184 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p12.c [2024-11-02 12:28:47,204 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:47,205 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:47,281 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:47,289 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;@470bad80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:47,290 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:47,295 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 12:28:47,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-02 12:28:47,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:47,303 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-02 12:28:47,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:47,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:47,311 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-02 12:28:47,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:47,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997841679] [2024-11-02 12:28:47,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:47,329 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 12:28:47,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:47,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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 12:28:47,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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 [2024-11-02 12:28:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:47,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-02 12:28:47,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:47,928 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:47,929 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:47,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997841679] [2024-11-02 12:28:47,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997841679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:47,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:47,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:28:47,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117396824] [2024-11-02 12:28:47,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:47,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:28:47,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:47,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:28:47,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:28:47,966 INFO L87 Difference]: Start difference. First 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) 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) [2024-11-02 12:28:48,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:48,069 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-02 12:28:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:28:48,072 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 [2024-11-02 12:28:48,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:48,080 INFO L225 Difference]: With dead ends: 18 [2024-11-02 12:28:48,080 INFO L226 Difference]: Without dead ends: 10 [2024-11-02 12:28:48,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:28:48,087 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:48,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:28:48,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-02 12:28:48,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-02 12:28:48,118 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) [2024-11-02 12:28:48,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-02 12:28:48,121 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-02 12:28:48,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:48,122 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-02 12:28:48,122 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) [2024-11-02 12:28:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-02 12:28:48,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-02 12:28:48,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:48,124 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:48,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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)] Ended with exit code 0 [2024-11-02 12:28:48,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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 [2024-11-02 12:28:48,327 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:48,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:48,328 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-02 12:28:48,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:48,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389154699] [2024-11-02 12:28:48,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:48,331 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 12:28:48,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:48,335 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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 12:28:48,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d426dd65-e607-47c0-a6d3-0f45d44da3a0/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 (3)] Waiting until timeout for monitored process [2024-11-02 12:28:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:49,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-02 12:28:49,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:49,747 INFO L311 TraceCheckSpWp]: Computing backward predicates...