./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh --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 600fa1c49c5cda65a9bc0159bec63bfadb060f4ea3bcd99ca424b108c7a2b877 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:39:58,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:39:58,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 12:39:58,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:39:58,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:39:58,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:39:58,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:39:58,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:39:58,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:39:58,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:39:58,630 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:39:58,630 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:39:58,631 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:39:58,631 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:39:58,632 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:39:58,632 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:39:58,633 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:39:58,633 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:39:58,634 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:39:58,634 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:39:58,635 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:39:58,635 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:39:58,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:39:58,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:39:58,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:39:58,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:39:58,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:39:58,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:39:58,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:39:58,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:39:58,639 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:39:58,640 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:39:58,640 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:39:58,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:39:58,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:39:58,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:39:58,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:39:58,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:39:58,642 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:39:58,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:39:58,642 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:39:58,643 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:39:58,643 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:39:58,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:39:58,643 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_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600fa1c49c5cda65a9bc0159bec63bfadb060f4ea3bcd99ca424b108c7a2b877 [2023-12-02 12:39:58,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:39:58,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:39:58,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:39:58,890 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:39:58,891 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:39:58,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c [2023-12-02 12:40:01,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:40:01,988 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:40:01,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c [2023-12-02 12:40:02,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/data/8abce134c/fafd5880322044ff89992805faaaecc0/FLAGb81b2577b [2023-12-02 12:40:02,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/data/8abce134c/fafd5880322044ff89992805faaaecc0 [2023-12-02 12:40:02,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:40:02,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:40:02,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:40:02,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:40:02,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:40:02,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:02,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d1e383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02, skipping insertion in model container [2023-12-02 12:40:02,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:02,140 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:40:02,343 WARN L240 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_76195dcf-f30b-4031-b521-258179156590/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c[1245,1258] [2023-12-02 12:40:02,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:40:02,753 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:40:02,762 WARN L240 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_76195dcf-f30b-4031-b521-258179156590/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c[1245,1258] [2023-12-02 12:40:02,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:40:02,933 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:40:02,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02 WrapperNode [2023-12-02 12:40:02,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:40:02,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:40:02,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:40:02,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:40:02,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:03,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:03,239 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5082 [2023-12-02 12:40:03,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:40:03,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:40:03,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:40:03,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:40:03,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:03,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:03,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:03,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:03,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:03,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:03,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:03,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:03,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:40:03,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:40:03,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:40:03,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:40:03,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02" (1/1) ... [2023-12-02 12:40:03,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:40:03,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:40:03,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:40:03,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:40:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:40:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:40:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:40:03,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:40:04,217 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:40:04,220 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:40:07,878 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:40:10,255 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:40:10,256 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:40:10,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:40:10 BoogieIcfgContainer [2023-12-02 12:40:10,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:40:10,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:40:10,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:40:10,263 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:40:10,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:40:02" (1/3) ... [2023-12-02 12:40:10,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfa8065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:40:10, skipping insertion in model container [2023-12-02 12:40:10,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:02" (2/3) ... [2023-12-02 12:40:10,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfa8065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:40:10, skipping insertion in model container [2023-12-02 12:40:10,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:40:10" (3/3) ... [2023-12-02 12:40:10,266 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b05.c [2023-12-02 12:40:10,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:40:10,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:40:10,333 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:40:10,340 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@131b2c6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:40:10,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:40:10,344 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) [2023-12-02 12:40:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 12:40:10,350 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:40:10,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 12:40:10,351 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:40:10,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:40:10,357 INFO L85 PathProgramCache]: Analyzing trace with hash 30301512, now seen corresponding path program 1 times [2023-12-02 12:40:10,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:40:10,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946473513] [2023-12-02 12:40:10,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:40:10,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:40:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:40:10,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:40:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:40:11,150 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:40:11,151 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:40:11,153 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 12:40:11,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 12:40:11,159 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:40:11,163 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:40:11,209 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 12:40:11,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:40:11 BoogieIcfgContainer [2023-12-02 12:40:11,240 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:40:11,240 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:40:11,240 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:40:11,241 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:40:11,241 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:40:10" (3/4) ... [2023-12-02 12:40:11,243 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:40:11,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:40:11,246 INFO L158 Benchmark]: Toolchain (without parser) took 9216.64ms. Allocated memory was 144.7MB in the beginning and 541.1MB in the end (delta: 396.4MB). Free memory was 96.5MB in the beginning and 329.7MB in the end (delta: -233.2MB). Peak memory consumption was 164.0MB. Max. memory is 16.1GB. [2023-12-02 12:40:11,246 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:40:11,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 903.59ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 96.5MB in the beginning and 91.5MB in the end (delta: 4.9MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2023-12-02 12:40:11,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 304.75ms. Allocated memory is still 192.9MB. Free memory was 91.5MB in the beginning and 83.2MB in the end (delta: 8.3MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-12-02 12:40:11,248 INFO L158 Benchmark]: Boogie Preprocessor took 298.51ms. Allocated memory is still 192.9MB. Free memory was 83.2MB in the beginning and 95.4MB in the end (delta: -12.1MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2023-12-02 12:40:11,249 INFO L158 Benchmark]: RCFGBuilder took 6718.42ms. Allocated memory was 192.9MB in the beginning and 541.1MB in the end (delta: 348.1MB). Free memory was 94.6MB in the beginning and 193.2MB in the end (delta: -98.6MB). Peak memory consumption was 346.3MB. Max. memory is 16.1GB. [2023-12-02 12:40:11,250 INFO L158 Benchmark]: TraceAbstraction took 980.01ms. Allocated memory is still 541.1MB. Free memory was 192.1MB in the beginning and 330.7MB in the end (delta: -138.6MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2023-12-02 12:40:11,250 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 541.1MB. Free memory was 330.7MB in the beginning and 329.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:40:11,254 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 903.59ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 96.5MB in the beginning and 91.5MB in the end (delta: 4.9MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 304.75ms. Allocated memory is still 192.9MB. Free memory was 91.5MB in the beginning and 83.2MB in the end (delta: 8.3MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 298.51ms. Allocated memory is still 192.9MB. Free memory was 83.2MB in the beginning and 95.4MB in the end (delta: -12.1MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6718.42ms. Allocated memory was 192.9MB in the beginning and 541.1MB in the end (delta: 348.1MB). Free memory was 94.6MB in the beginning and 193.2MB in the end (delta: -98.6MB). Peak memory consumption was 346.3MB. Max. memory is 16.1GB. * TraceAbstraction took 980.01ms. Allocated memory is still 541.1MB. Free memory was 192.1MB in the beginning and 330.7MB in the end (delta: -138.6MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 541.1MB. Free memory was 330.7MB in the beginning and 329.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 1105, overapproximation of bitwiseAnd at line 608. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 3); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (3 - 1); [L32] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 32); [L33] const SORT_14 msb_SORT_14 = (SORT_14)1 << (32 - 1); [L35] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 9); [L36] const SORT_22 msb_SORT_22 = (SORT_22)1 << (9 - 1); [L38] const SORT_39 mask_SORT_39 = (SORT_39)-1 >> (sizeof(SORT_39) * 8 - 5); [L39] const SORT_39 msb_SORT_39 = (SORT_39)1 << (5 - 1); [L41] const SORT_1116 mask_SORT_1116 = (SORT_1116)-1 >> (sizeof(SORT_1116) * 8 - 8); [L42] const SORT_1116 msb_SORT_1116 = (SORT_1116)1 << (8 - 1); [L44] const SORT_1156 mask_SORT_1156 = (SORT_1156)-1 >> (sizeof(SORT_1156) * 8 - 2); [L45] const SORT_1156 msb_SORT_1156 = (SORT_1156)1 << (2 - 1); [L47] const SORT_4 var_5 = 0; [L48] const SORT_4 var_8 = 2; [L49] const SORT_1 var_11 = 0; [L50] const SORT_14 var_16 = 1; [L51] const SORT_4 var_19 = 3; [L52] const SORT_22 var_23 = 0; [L53] const SORT_1 var_33 = 1; [L54] const SORT_22 var_37 = 50; [L55] const SORT_39 var_40 = 0; [L56] const SORT_14 var_44 = 29; [L57] const SORT_14 var_49 = 28; [L58] const SORT_14 var_54 = 27; [L59] const SORT_14 var_59 = 26; [L60] const SORT_14 var_64 = 25; [L61] const SORT_14 var_69 = 24; [L62] const SORT_14 var_74 = 23; [L63] const SORT_14 var_79 = 22; [L64] const SORT_14 var_84 = 21; [L65] const SORT_14 var_89 = 20; [L66] const SORT_14 var_94 = 19; [L67] const SORT_14 var_99 = 18; [L68] const SORT_14 var_104 = 17; [L69] const SORT_14 var_109 = 16; [L70] const SORT_14 var_114 = 15; [L71] const SORT_14 var_119 = 14; [L72] const SORT_14 var_124 = 13; [L73] const SORT_14 var_129 = 12; [L74] const SORT_14 var_134 = 11; [L75] const SORT_14 var_139 = 10; [L76] const SORT_14 var_144 = 9; [L77] const SORT_14 var_149 = 8; [L78] const SORT_14 var_154 = 7; [L79] const SORT_14 var_159 = 6; [L80] const SORT_14 var_164 = 5; [L81] const SORT_14 var_169 = 4; [L82] const SORT_14 var_174 = 3; [L83] const SORT_14 var_179 = 2; [L84] const SORT_14 var_188 = 0; [L85] const SORT_22 var_191 = 40; [L86] const SORT_22 var_308 = 490; [L87] const SORT_22 var_417 = 462; [L88] const SORT_22 var_469 = 75; [L89] const SORT_22 var_519 = 10; [L90] const SORT_22 var_567 = 125; [L91] const SORT_22 var_613 = 100; [L92] const SORT_22 var_657 = 229; [L93] const SORT_22 var_699 = 151; [L94] const SORT_22 var_811 = 494; [L95] const SORT_22 var_845 = 483; [L96] const SORT_22 var_958 = 501; [L97] const SORT_22 var_982 = 186; [L98] const SORT_22 var_1040 = 181; [L99] const SORT_22 var_1080 = 502; [L100] const SORT_4 var_1128 = 1; [L101] const SORT_4 var_1137 = 4; [L102] const SORT_14 var_1145 = 31; [L104] SORT_1 input_2; [L105] SORT_1 input_3; [L106] SORT_22 input_38; [L107] SORT_22 input_47; [L108] SORT_22 input_52; [L109] SORT_22 input_57; [L110] SORT_22 input_62; [L111] SORT_22 input_67; [L112] SORT_22 input_72; [L113] SORT_22 input_77; [L114] SORT_22 input_82; [L115] SORT_22 input_87; [L116] SORT_22 input_92; [L117] SORT_22 input_97; [L118] SORT_22 input_102; [L119] SORT_22 input_107; [L120] SORT_22 input_112; [L121] SORT_22 input_117; [L122] SORT_22 input_122; [L123] SORT_22 input_127; [L124] SORT_22 input_132; [L125] SORT_22 input_137; [L126] SORT_22 input_142; [L127] SORT_22 input_147; [L128] SORT_22 input_152; [L129] SORT_22 input_157; [L130] SORT_22 input_162; [L131] SORT_22 input_167; [L132] SORT_22 input_172; [L133] SORT_22 input_177; [L134] SORT_22 input_182; [L135] SORT_22 input_186; [L136] SORT_22 input_193; [L137] SORT_22 input_195; [L138] SORT_22 input_197; [L139] SORT_22 input_199; [L140] SORT_22 input_201; [L141] SORT_22 input_203; [L142] SORT_22 input_205; [L143] SORT_22 input_207; [L144] SORT_22 input_209; [L145] SORT_22 input_211; [L146] SORT_22 input_213; [L147] SORT_22 input_215; [L148] SORT_22 input_217; [L149] SORT_22 input_219; [L150] SORT_22 input_221; [L151] SORT_22 input_223; [L152] SORT_22 input_225; [L153] SORT_22 input_227; [L154] SORT_22 input_229; [L155] SORT_22 input_231; [L156] SORT_22 input_233; [L157] SORT_22 input_235; [L158] SORT_22 input_237; [L159] SORT_22 input_239; [L160] SORT_22 input_241; [L161] SORT_22 input_243; [L162] SORT_22 input_245; [L163] SORT_22 input_247; [L164] SORT_22 input_249; [L165] SORT_22 input_252; [L166] SORT_22 input_254; [L167] SORT_22 input_256; [L168] SORT_22 input_258; [L169] SORT_22 input_260; [L170] SORT_22 input_262; [L171] SORT_22 input_264; [L172] SORT_22 input_266; [L173] SORT_22 input_268; [L174] SORT_22 input_270; [L175] SORT_22 input_272; [L176] SORT_22 input_274; [L177] SORT_22 input_276; [L178] SORT_22 input_278; [L179] SORT_22 input_280; [L180] SORT_22 input_282; [L181] SORT_22 input_284; [L182] SORT_22 input_286; [L183] SORT_22 input_288; [L184] SORT_22 input_290; [L185] SORT_22 input_292; [L186] SORT_22 input_294; [L187] SORT_22 input_296; [L188] SORT_22 input_298; [L189] SORT_22 input_300; [L190] SORT_22 input_302; [L191] SORT_22 input_304; [L192] SORT_22 input_306; [L193] SORT_22 input_310; [L194] SORT_22 input_312; [L195] SORT_22 input_314; [L196] SORT_22 input_316; [L197] SORT_22 input_318; [L198] SORT_22 input_320; [L199] SORT_22 input_322; [L200] SORT_22 input_324; [L201] SORT_22 input_326; [L202] SORT_22 input_328; [L203] SORT_22 input_330; [L204] SORT_22 input_332; [L205] SORT_22 input_334; [L206] SORT_22 input_336; [L207] SORT_22 input_338; [L208] SORT_22 input_340; [L209] SORT_22 input_342; [L210] SORT_22 input_344; [L211] SORT_22 input_346; [L212] SORT_22 input_348; [L213] SORT_22 input_350; [L214] SORT_22 input_352; [L215] SORT_22 input_354; [L216] SORT_22 input_356; [L217] SORT_22 input_358; [L218] SORT_22 input_360; [L219] SORT_22 input_362; [L220] SORT_22 input_365; [L221] SORT_22 input_367; [L222] SORT_22 input_369; [L223] SORT_22 input_371; [L224] SORT_22 input_373; [L225] SORT_22 input_375; [L226] SORT_22 input_377; [L227] SORT_22 input_379; [L228] SORT_22 input_381; [L229] SORT_22 input_383; [L230] SORT_22 input_385; [L231] SORT_22 input_387; [L232] SORT_22 input_389; [L233] SORT_22 input_391; [L234] SORT_22 input_393; [L235] SORT_22 input_395; [L236] SORT_22 input_397; [L237] SORT_22 input_399; [L238] SORT_22 input_401; [L239] SORT_22 input_403; [L240] SORT_22 input_405; [L241] SORT_22 input_407; [L242] SORT_22 input_409; [L243] SORT_22 input_411; [L244] SORT_22 input_413; [L245] SORT_22 input_415; [L246] SORT_22 input_419; [L247] SORT_22 input_421; [L248] SORT_22 input_423; [L249] SORT_22 input_425; [L250] SORT_22 input_427; [L251] SORT_22 input_429; [L252] SORT_22 input_431; [L253] SORT_22 input_433; [L254] SORT_22 input_435; [L255] SORT_22 input_437; [L256] SORT_22 input_439; [L257] SORT_22 input_441; [L258] SORT_22 input_443; [L259] SORT_22 input_445; [L260] SORT_22 input_447; [L261] SORT_22 input_449; [L262] SORT_22 input_451; [L263] SORT_22 input_453; [L264] SORT_22 input_455; [L265] SORT_22 input_457; [L266] SORT_22 input_459; [L267] SORT_22 input_461; [L268] SORT_22 input_463; [L269] SORT_22 input_465; [L270] SORT_22 input_467; [L271] SORT_22 input_471; [L272] SORT_22 input_473; [L273] SORT_22 input_475; [L274] SORT_22 input_477; [L275] SORT_22 input_479; [L276] SORT_22 input_481; [L277] SORT_22 input_483; [L278] SORT_22 input_485; [L279] SORT_22 input_487; [L280] SORT_22 input_489; [L281] SORT_22 input_491; [L282] SORT_22 input_493; [L283] SORT_22 input_495; [L284] SORT_22 input_497; [L285] SORT_22 input_499; [L286] SORT_22 input_501; [L287] SORT_22 input_503; [L288] SORT_22 input_505; [L289] SORT_22 input_507; [L290] SORT_22 input_509; [L291] SORT_22 input_511; [L292] SORT_22 input_513; [L293] SORT_22 input_515; [L294] SORT_22 input_517; [L295] SORT_22 input_521; [L296] SORT_22 input_523; [L297] SORT_22 input_525; [L298] SORT_22 input_527; [L299] SORT_22 input_529; [L300] SORT_22 input_531; [L301] SORT_22 input_533; [L302] SORT_22 input_535; [L303] SORT_22 input_537; [L304] SORT_22 input_539; [L305] SORT_22 input_541; [L306] SORT_22 input_543; [L307] SORT_22 input_545; [L308] SORT_22 input_547; [L309] SORT_22 input_549; [L310] SORT_22 input_551; [L311] SORT_22 input_553; [L312] SORT_22 input_555; [L313] SORT_22 input_557; [L314] SORT_22 input_559; [L315] SORT_22 input_561; [L316] SORT_22 input_563; [L317] SORT_22 input_565; [L318] SORT_22 input_569; [L319] SORT_22 input_571; [L320] SORT_22 input_573; [L321] SORT_22 input_575; [L322] SORT_22 input_577; [L323] SORT_22 input_579; [L324] SORT_22 input_581; [L325] SORT_22 input_583; [L326] SORT_22 input_585; [L327] SORT_22 input_587; [L328] SORT_22 input_589; [L329] SORT_22 input_591; [L330] SORT_22 input_593; [L331] SORT_22 input_595; [L332] SORT_22 input_597; [L333] SORT_22 input_599; [L334] SORT_22 input_601; [L335] SORT_22 input_603; [L336] SORT_22 input_605; [L337] SORT_22 input_607; [L338] SORT_22 input_609; [L339] SORT_22 input_611; [L340] SORT_22 input_615; [L341] SORT_22 input_617; [L342] SORT_22 input_619; [L343] SORT_22 input_621; [L344] SORT_22 input_623; [L345] SORT_22 input_625; [L346] SORT_22 input_627; [L347] SORT_22 input_629; [L348] SORT_22 input_631; [L349] SORT_22 input_633; [L350] SORT_22 input_635; [L351] SORT_22 input_637; [L352] SORT_22 input_639; [L353] SORT_22 input_641; [L354] SORT_22 input_643; [L355] SORT_22 input_645; [L356] SORT_22 input_647; [L357] SORT_22 input_649; [L358] SORT_22 input_651; [L359] SORT_22 input_653; [L360] SORT_22 input_655; [L361] SORT_22 input_659; [L362] SORT_22 input_661; [L363] SORT_22 input_663; [L364] SORT_22 input_665; [L365] SORT_22 input_667; [L366] SORT_22 input_669; [L367] SORT_22 input_671; [L368] SORT_22 input_673; [L369] SORT_22 input_675; [L370] SORT_22 input_677; [L371] SORT_22 input_679; [L372] SORT_22 input_681; [L373] SORT_22 input_683; [L374] SORT_22 input_685; [L375] SORT_22 input_687; [L376] SORT_22 input_689; [L377] SORT_22 input_691; [L378] SORT_22 input_693; [L379] SORT_22 input_695; [L380] SORT_22 input_697; [L381] SORT_22 input_701; [L382] SORT_22 input_703; [L383] SORT_22 input_705; [L384] SORT_22 input_707; [L385] SORT_22 input_709; [L386] SORT_22 input_711; [L387] SORT_22 input_713; [L388] SORT_22 input_715; [L389] SORT_22 input_717; [L390] SORT_22 input_719; [L391] SORT_22 input_721; [L392] SORT_22 input_723; [L393] SORT_22 input_725; [L394] SORT_22 input_727; [L395] SORT_22 input_729; [L396] SORT_22 input_731; [L397] SORT_22 input_733; [L398] SORT_22 input_735; [L399] SORT_22 input_737; [L400] SORT_22 input_740; [L401] SORT_22 input_742; [L402] SORT_22 input_744; [L403] SORT_22 input_746; [L404] SORT_22 input_748; [L405] SORT_22 input_750; [L406] SORT_22 input_752; [L407] SORT_22 input_754; [L408] SORT_22 input_756; [L409] SORT_22 input_758; [L410] SORT_22 input_760; [L411] SORT_22 input_762; [L412] SORT_22 input_764; [L413] SORT_22 input_766; [L414] SORT_22 input_768; [L415] SORT_22 input_770; [L416] SORT_22 input_772; [L417] SORT_22 input_774; [L418] SORT_22 input_777; [L419] SORT_22 input_779; [L420] SORT_22 input_781; [L421] SORT_22 input_783; [L422] SORT_22 input_785; [L423] SORT_22 input_787; [L424] SORT_22 input_789; [L425] SORT_22 input_791; [L426] SORT_22 input_793; [L427] SORT_22 input_795; [L428] SORT_22 input_797; [L429] SORT_22 input_799; [L430] SORT_22 input_801; [L431] SORT_22 input_803; [L432] SORT_22 input_805; [L433] SORT_22 input_807; [L434] SORT_22 input_809; [L435] SORT_22 input_813; [L436] SORT_22 input_815; [L437] SORT_22 input_817; [L438] SORT_22 input_819; [L439] SORT_22 input_821; [L440] SORT_22 input_823; [L441] SORT_22 input_825; [L442] SORT_22 input_827; [L443] SORT_22 input_829; [L444] SORT_22 input_831; [L445] SORT_22 input_833; [L446] SORT_22 input_835; [L447] SORT_22 input_837; [L448] SORT_22 input_839; [L449] SORT_22 input_841; [L450] SORT_22 input_843; [L451] SORT_22 input_847; [L452] SORT_22 input_849; [L453] SORT_22 input_851; [L454] SORT_22 input_853; [L455] SORT_22 input_855; [L456] SORT_22 input_857; [L457] SORT_22 input_859; [L458] SORT_22 input_861; [L459] SORT_22 input_863; [L460] SORT_22 input_865; [L461] SORT_22 input_867; [L462] SORT_22 input_869; [L463] SORT_22 input_871; [L464] SORT_22 input_873; [L465] SORT_22 input_875; [L466] SORT_22 input_878; [L467] SORT_22 input_880; [L468] SORT_22 input_882; [L469] SORT_22 input_884; [L470] SORT_22 input_886; [L471] SORT_22 input_888; [L472] SORT_22 input_890; [L473] SORT_22 input_892; [L474] SORT_22 input_894; [L475] SORT_22 input_896; [L476] SORT_22 input_898; [L477] SORT_22 input_900; [L478] SORT_22 input_902; [L479] SORT_22 input_904; [L480] SORT_22 input_907; [L481] SORT_22 input_909; [L482] SORT_22 input_911; [L483] SORT_22 input_913; [L484] SORT_22 input_915; [L485] SORT_22 input_917; [L486] SORT_22 input_919; [L487] SORT_22 input_921; [L488] SORT_22 input_923; [L489] SORT_22 input_925; [L490] SORT_22 input_927; [L491] SORT_22 input_929; [L492] SORT_22 input_931; [L493] SORT_22 input_934; [L494] SORT_22 input_936; [L495] SORT_22 input_938; [L496] SORT_22 input_940; [L497] SORT_22 input_942; [L498] SORT_22 input_944; [L499] SORT_22 input_946; [L500] SORT_22 input_948; [L501] SORT_22 input_950; [L502] SORT_22 input_952; [L503] SORT_22 input_954; [L504] SORT_22 input_956; [L505] SORT_22 input_960; [L506] SORT_22 input_962; [L507] SORT_22 input_964; [L508] SORT_22 input_966; [L509] SORT_22 input_968; [L510] SORT_22 input_970; [L511] SORT_22 input_972; [L512] SORT_22 input_974; [L513] SORT_22 input_976; [L514] SORT_22 input_978; [L515] SORT_22 input_980; [L516] SORT_22 input_984; [L517] SORT_22 input_986; [L518] SORT_22 input_988; [L519] SORT_22 input_990; [L520] SORT_22 input_992; [L521] SORT_22 input_994; [L522] SORT_22 input_996; [L523] SORT_22 input_998; [L524] SORT_22 input_1000; [L525] SORT_22 input_1002; [L526] SORT_22 input_1005; [L527] SORT_22 input_1007; [L528] SORT_22 input_1009; [L529] SORT_22 input_1011; [L530] SORT_22 input_1013; [L531] SORT_22 input_1015; [L532] SORT_22 input_1017; [L533] SORT_22 input_1019; [L534] SORT_22 input_1021; [L535] SORT_22 input_1024; [L536] SORT_22 input_1026; [L537] SORT_22 input_1028; [L538] SORT_22 input_1030; [L539] SORT_22 input_1032; [L540] SORT_22 input_1034; [L541] SORT_22 input_1036; [L542] SORT_22 input_1038; [L543] SORT_22 input_1042; [L544] SORT_22 input_1044; [L545] SORT_22 input_1046; [L546] SORT_22 input_1048; [L547] SORT_22 input_1050; [L548] SORT_22 input_1052; [L549] SORT_22 input_1054; [L550] SORT_22 input_1057; [L551] SORT_22 input_1059; [L552] SORT_22 input_1061; [L553] SORT_22 input_1063; [L554] SORT_22 input_1065; [L555] SORT_22 input_1067; [L556] SORT_22 input_1070; [L557] SORT_22 input_1072; [L558] SORT_22 input_1074; [L559] SORT_22 input_1076; [L560] SORT_22 input_1078; [L561] SORT_22 input_1082; [L562] SORT_22 input_1084; [L563] SORT_22 input_1086; [L564] SORT_22 input_1088; [L565] SORT_22 input_1091; [L566] SORT_22 input_1093; [L567] SORT_22 input_1095; [L568] SORT_22 input_1098; [L569] SORT_22 input_1100; [L570] SORT_22 input_1103; [L571] SORT_1 input_1110; [L572] SORT_1 input_1112; [L573] SORT_39 input_1122; [L574] SORT_4 input_1131; [L575] SORT_4 input_1140; [L576] SORT_4 input_1141; [L577] SORT_4 input_1142; [L578] SORT_1 input_1164; [L579] SORT_22 input_1173; [L580] SORT_22 input_1174; [L581] SORT_22 input_1175; [L582] SORT_22 input_1176; [L583] SORT_22 input_1180; [L584] SORT_22 input_1185; [L585] SORT_39 input_1200; [L586] SORT_39 input_1206; [L588] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L588] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L589] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L589] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L590] EXPR __VERIFIER_nondet_ushort() & mask_SORT_22 [L590] SORT_22 state_24 = __VERIFIER_nondet_ushort() & mask_SORT_22; [L591] EXPR __VERIFIER_nondet_ushort() & mask_SORT_22 [L591] SORT_22 state_26 = __VERIFIER_nondet_ushort() & mask_SORT_22; [L592] EXPR __VERIFIER_nondet_uchar() & mask_SORT_39 [L592] SORT_39 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_39; [L594] SORT_4 init_7_arg_1 = var_5; [L595] state_6 = init_7_arg_1 [L596] SORT_1 init_13_arg_1 = var_11; [L597] state_12 = init_13_arg_1 [L598] SORT_22 init_25_arg_1 = var_23; [L599] state_24 = init_25_arg_1 [L600] SORT_22 init_27_arg_1 = var_23; [L601] state_26 = init_27_arg_1 [L602] SORT_39 init_42_arg_1 = var_40; [L603] state_41 = init_42_arg_1 VAL [init_13_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_7_arg_1=0, mask_SORT_1116=255, mask_SORT_1156=3, mask_SORT_14=4294967295, mask_SORT_1=1, mask_SORT_22=511, mask_SORT_39=31, mask_SORT_4=7, msb_SORT_1116=128, msb_SORT_1156=2, msb_SORT_14=2147483648, msb_SORT_1=1, msb_SORT_22=256, msb_SORT_39=16, msb_SORT_4=4, state_12=0, state_24=0, state_26=0, state_41=0, state_6=0, var_1040=181, var_104=17, var_1080=502, var_109=16, var_1128=1, var_1137=4, var_1145=31, var_114=15, var_119=14, var_11=0, var_124=13, var_129=12, var_134=11, var_139=10, var_144=9, var_149=8, var_154=7, var_159=6, var_164=5, var_169=4, var_16=1, var_174=3, var_179=2, var_188=0, var_191=40, var_19=3, var_23=0, var_308=490, var_33=1, var_37=50, var_40=0, var_417=462, var_44=29, var_469=75, var_49=28, var_519=10, var_54=27, var_567=125, var_59=26, var_5=0, var_613=100, var_64=25, var_657=229, var_699=151, var_69=24, var_74=23, var_79=22, var_811=494, var_845=483, var_84=21, var_89=20, var_8=2, var_94=19, var_958=501, var_982=186, var_99=18] [L606] input_2 = __VERIFIER_nondet_uchar() [L607] input_3 = __VERIFIER_nondet_uchar() [L608] EXPR input_3 & mask_SORT_1 [L608] input_3 = input_3 & mask_SORT_1 [L609] input_38 = __VERIFIER_nondet_ushort() [L610] input_47 = __VERIFIER_nondet_ushort() [L611] input_52 = __VERIFIER_nondet_ushort() [L612] input_57 = __VERIFIER_nondet_ushort() [L613] input_62 = __VERIFIER_nondet_ushort() [L614] input_67 = __VERIFIER_nondet_ushort() [L615] input_72 = __VERIFIER_nondet_ushort() [L616] input_77 = __VERIFIER_nondet_ushort() [L617] input_82 = __VERIFIER_nondet_ushort() [L618] input_87 = __VERIFIER_nondet_ushort() [L619] input_92 = __VERIFIER_nondet_ushort() [L620] input_97 = __VERIFIER_nondet_ushort() [L621] input_102 = __VERIFIER_nondet_ushort() [L622] input_107 = __VERIFIER_nondet_ushort() [L623] input_112 = __VERIFIER_nondet_ushort() [L624] input_117 = __VERIFIER_nondet_ushort() [L625] input_122 = __VERIFIER_nondet_ushort() [L626] input_127 = __VERIFIER_nondet_ushort() [L627] input_132 = __VERIFIER_nondet_ushort() [L628] input_137 = __VERIFIER_nondet_ushort() [L629] input_142 = __VERIFIER_nondet_ushort() [L630] input_147 = __VERIFIER_nondet_ushort() [L631] input_152 = __VERIFIER_nondet_ushort() [L632] input_157 = __VERIFIER_nondet_ushort() [L633] input_162 = __VERIFIER_nondet_ushort() [L634] input_167 = __VERIFIER_nondet_ushort() [L635] input_172 = __VERIFIER_nondet_ushort() [L636] input_177 = __VERIFIER_nondet_ushort() [L637] input_182 = __VERIFIER_nondet_ushort() [L638] input_186 = __VERIFIER_nondet_ushort() [L639] input_193 = __VERIFIER_nondet_ushort() [L640] input_195 = __VERIFIER_nondet_ushort() [L641] input_197 = __VERIFIER_nondet_ushort() [L642] input_199 = __VERIFIER_nondet_ushort() [L643] input_201 = __VERIFIER_nondet_ushort() [L644] input_203 = __VERIFIER_nondet_ushort() [L645] input_205 = __VERIFIER_nondet_ushort() [L646] input_207 = __VERIFIER_nondet_ushort() [L647] input_209 = __VERIFIER_nondet_ushort() [L648] input_211 = __VERIFIER_nondet_ushort() [L649] input_213 = __VERIFIER_nondet_ushort() [L650] input_215 = __VERIFIER_nondet_ushort() [L651] input_217 = __VERIFIER_nondet_ushort() [L652] input_219 = __VERIFIER_nondet_ushort() [L653] input_221 = __VERIFIER_nondet_ushort() [L654] input_223 = __VERIFIER_nondet_ushort() [L655] input_225 = __VERIFIER_nondet_ushort() [L656] input_227 = __VERIFIER_nondet_ushort() [L657] input_229 = __VERIFIER_nondet_ushort() [L658] input_231 = __VERIFIER_nondet_ushort() [L659] input_233 = __VERIFIER_nondet_ushort() [L660] input_235 = __VERIFIER_nondet_ushort() [L661] input_237 = __VERIFIER_nondet_ushort() [L662] input_239 = __VERIFIER_nondet_ushort() [L663] input_241 = __VERIFIER_nondet_ushort() [L664] input_243 = __VERIFIER_nondet_ushort() [L665] input_245 = __VERIFIER_nondet_ushort() [L666] input_247 = __VERIFIER_nondet_ushort() [L667] input_249 = __VERIFIER_nondet_ushort() [L668] input_252 = __VERIFIER_nondet_ushort() [L669] input_254 = __VERIFIER_nondet_ushort() [L670] input_256 = __VERIFIER_nondet_ushort() [L671] input_258 = __VERIFIER_nondet_ushort() [L672] input_260 = __VERIFIER_nondet_ushort() [L673] input_262 = __VERIFIER_nondet_ushort() [L674] input_264 = __VERIFIER_nondet_ushort() [L675] input_266 = __VERIFIER_nondet_ushort() [L676] input_268 = __VERIFIER_nondet_ushort() [L677] input_270 = __VERIFIER_nondet_ushort() [L678] input_272 = __VERIFIER_nondet_ushort() [L679] input_274 = __VERIFIER_nondet_ushort() [L680] input_276 = __VERIFIER_nondet_ushort() [L681] input_278 = __VERIFIER_nondet_ushort() [L682] input_280 = __VERIFIER_nondet_ushort() [L683] input_282 = __VERIFIER_nondet_ushort() [L684] input_284 = __VERIFIER_nondet_ushort() [L685] input_286 = __VERIFIER_nondet_ushort() [L686] input_288 = __VERIFIER_nondet_ushort() [L687] input_290 = __VERIFIER_nondet_ushort() [L688] input_292 = __VERIFIER_nondet_ushort() [L689] input_294 = __VERIFIER_nondet_ushort() [L690] input_296 = __VERIFIER_nondet_ushort() [L691] input_298 = __VERIFIER_nondet_ushort() [L692] input_300 = __VERIFIER_nondet_ushort() [L693] input_302 = __VERIFIER_nondet_ushort() [L694] input_304 = __VERIFIER_nondet_ushort() [L695] input_306 = __VERIFIER_nondet_ushort() [L696] input_310 = __VERIFIER_nondet_ushort() [L697] input_312 = __VERIFIER_nondet_ushort() [L698] input_314 = __VERIFIER_nondet_ushort() [L699] input_316 = __VERIFIER_nondet_ushort() [L700] input_318 = __VERIFIER_nondet_ushort() [L701] input_320 = __VERIFIER_nondet_ushort() [L702] input_322 = __VERIFIER_nondet_ushort() [L703] input_324 = __VERIFIER_nondet_ushort() [L704] input_326 = __VERIFIER_nondet_ushort() [L705] input_328 = __VERIFIER_nondet_ushort() [L706] input_330 = __VERIFIER_nondet_ushort() [L707] input_332 = __VERIFIER_nondet_ushort() [L708] input_334 = __VERIFIER_nondet_ushort() [L709] input_336 = __VERIFIER_nondet_ushort() [L710] input_338 = __VERIFIER_nondet_ushort() [L711] input_340 = __VERIFIER_nondet_ushort() [L712] input_342 = __VERIFIER_nondet_ushort() [L713] input_344 = __VERIFIER_nondet_ushort() [L714] input_346 = __VERIFIER_nondet_ushort() [L715] input_348 = __VERIFIER_nondet_ushort() [L716] input_350 = __VERIFIER_nondet_ushort() [L717] input_352 = __VERIFIER_nondet_ushort() [L718] input_354 = __VERIFIER_nondet_ushort() [L719] input_356 = __VERIFIER_nondet_ushort() [L720] input_358 = __VERIFIER_nondet_ushort() [L721] input_360 = __VERIFIER_nondet_ushort() [L722] input_362 = __VERIFIER_nondet_ushort() [L723] input_365 = __VERIFIER_nondet_ushort() [L724] input_367 = __VERIFIER_nondet_ushort() [L725] input_369 = __VERIFIER_nondet_ushort() [L726] input_371 = __VERIFIER_nondet_ushort() [L727] input_373 = __VERIFIER_nondet_ushort() [L728] input_375 = __VERIFIER_nondet_ushort() [L729] input_377 = __VERIFIER_nondet_ushort() [L730] input_379 = __VERIFIER_nondet_ushort() [L731] input_381 = __VERIFIER_nondet_ushort() [L732] input_383 = __VERIFIER_nondet_ushort() [L733] input_385 = __VERIFIER_nondet_ushort() [L734] input_387 = __VERIFIER_nondet_ushort() [L735] input_389 = __VERIFIER_nondet_ushort() [L736] input_391 = __VERIFIER_nondet_ushort() [L737] input_393 = __VERIFIER_nondet_ushort() [L738] input_395 = __VERIFIER_nondet_ushort() [L739] input_397 = __VERIFIER_nondet_ushort() [L740] input_399 = __VERIFIER_nondet_ushort() [L741] input_401 = __VERIFIER_nondet_ushort() [L742] input_403 = __VERIFIER_nondet_ushort() [L743] input_405 = __VERIFIER_nondet_ushort() [L744] input_407 = __VERIFIER_nondet_ushort() [L745] input_409 = __VERIFIER_nondet_ushort() [L746] input_411 = __VERIFIER_nondet_ushort() [L747] input_413 = __VERIFIER_nondet_ushort() [L748] input_415 = __VERIFIER_nondet_ushort() [L749] input_419 = __VERIFIER_nondet_ushort() [L750] input_421 = __VERIFIER_nondet_ushort() [L751] input_423 = __VERIFIER_nondet_ushort() [L752] input_425 = __VERIFIER_nondet_ushort() [L753] input_427 = __VERIFIER_nondet_ushort() [L754] input_429 = __VERIFIER_nondet_ushort() [L755] input_431 = __VERIFIER_nondet_ushort() [L756] input_433 = __VERIFIER_nondet_ushort() [L757] input_435 = __VERIFIER_nondet_ushort() [L758] input_437 = __VERIFIER_nondet_ushort() [L759] input_439 = __VERIFIER_nondet_ushort() [L760] input_441 = __VERIFIER_nondet_ushort() [L761] input_443 = __VERIFIER_nondet_ushort() [L762] input_445 = __VERIFIER_nondet_ushort() [L763] input_447 = __VERIFIER_nondet_ushort() [L764] input_449 = __VERIFIER_nondet_ushort() [L765] input_451 = __VERIFIER_nondet_ushort() [L766] input_453 = __VERIFIER_nondet_ushort() [L767] input_455 = __VERIFIER_nondet_ushort() [L768] input_457 = __VERIFIER_nondet_ushort() [L769] input_459 = __VERIFIER_nondet_ushort() [L770] input_461 = __VERIFIER_nondet_ushort() [L771] input_463 = __VERIFIER_nondet_ushort() [L772] input_465 = __VERIFIER_nondet_ushort() [L773] input_467 = __VERIFIER_nondet_ushort() [L774] input_471 = __VERIFIER_nondet_ushort() [L775] input_473 = __VERIFIER_nondet_ushort() [L776] input_475 = __VERIFIER_nondet_ushort() [L777] input_477 = __VERIFIER_nondet_ushort() [L778] input_479 = __VERIFIER_nondet_ushort() [L779] input_481 = __VERIFIER_nondet_ushort() [L780] input_483 = __VERIFIER_nondet_ushort() [L781] input_485 = __VERIFIER_nondet_ushort() [L782] input_487 = __VERIFIER_nondet_ushort() [L783] input_489 = __VERIFIER_nondet_ushort() [L784] input_491 = __VERIFIER_nondet_ushort() [L785] input_493 = __VERIFIER_nondet_ushort() [L786] input_495 = __VERIFIER_nondet_ushort() [L787] input_497 = __VERIFIER_nondet_ushort() [L788] input_499 = __VERIFIER_nondet_ushort() [L789] input_501 = __VERIFIER_nondet_ushort() [L790] input_503 = __VERIFIER_nondet_ushort() [L791] input_505 = __VERIFIER_nondet_ushort() [L792] input_507 = __VERIFIER_nondet_ushort() [L793] input_509 = __VERIFIER_nondet_ushort() [L794] input_511 = __VERIFIER_nondet_ushort() [L795] input_513 = __VERIFIER_nondet_ushort() [L796] input_515 = __VERIFIER_nondet_ushort() [L797] input_517 = __VERIFIER_nondet_ushort() [L798] input_521 = __VERIFIER_nondet_ushort() [L799] input_523 = __VERIFIER_nondet_ushort() [L800] input_525 = __VERIFIER_nondet_ushort() [L801] input_527 = __VERIFIER_nondet_ushort() [L802] input_529 = __VERIFIER_nondet_ushort() [L803] input_531 = __VERIFIER_nondet_ushort() [L804] input_533 = __VERIFIER_nondet_ushort() [L805] input_535 = __VERIFIER_nondet_ushort() [L806] input_537 = __VERIFIER_nondet_ushort() [L807] input_539 = __VERIFIER_nondet_ushort() [L808] input_541 = __VERIFIER_nondet_ushort() [L809] input_543 = __VERIFIER_nondet_ushort() [L810] input_545 = __VERIFIER_nondet_ushort() [L811] input_547 = __VERIFIER_nondet_ushort() [L812] input_549 = __VERIFIER_nondet_ushort() [L813] input_551 = __VERIFIER_nondet_ushort() [L814] input_553 = __VERIFIER_nondet_ushort() [L815] input_555 = __VERIFIER_nondet_ushort() [L816] input_557 = __VERIFIER_nondet_ushort() [L817] input_559 = __VERIFIER_nondet_ushort() [L818] input_561 = __VERIFIER_nondet_ushort() [L819] input_563 = __VERIFIER_nondet_ushort() [L820] input_565 = __VERIFIER_nondet_ushort() [L821] input_569 = __VERIFIER_nondet_ushort() [L822] input_571 = __VERIFIER_nondet_ushort() [L823] input_573 = __VERIFIER_nondet_ushort() [L824] input_575 = __VERIFIER_nondet_ushort() [L825] input_577 = __VERIFIER_nondet_ushort() [L826] input_579 = __VERIFIER_nondet_ushort() [L827] input_581 = __VERIFIER_nondet_ushort() [L828] input_583 = __VERIFIER_nondet_ushort() [L829] input_585 = __VERIFIER_nondet_ushort() [L830] input_587 = __VERIFIER_nondet_ushort() [L831] input_589 = __VERIFIER_nondet_ushort() [L832] input_591 = __VERIFIER_nondet_ushort() [L833] input_593 = __VERIFIER_nondet_ushort() [L834] input_595 = __VERIFIER_nondet_ushort() [L835] input_597 = __VERIFIER_nondet_ushort() [L836] input_599 = __VERIFIER_nondet_ushort() [L837] input_601 = __VERIFIER_nondet_ushort() [L838] input_603 = __VERIFIER_nondet_ushort() [L839] input_605 = __VERIFIER_nondet_ushort() [L840] input_607 = __VERIFIER_nondet_ushort() [L841] input_609 = __VERIFIER_nondet_ushort() [L842] input_611 = __VERIFIER_nondet_ushort() [L843] input_615 = __VERIFIER_nondet_ushort() [L844] input_617 = __VERIFIER_nondet_ushort() [L845] input_619 = __VERIFIER_nondet_ushort() [L846] input_621 = __VERIFIER_nondet_ushort() [L847] input_623 = __VERIFIER_nondet_ushort() [L848] input_625 = __VERIFIER_nondet_ushort() [L849] input_627 = __VERIFIER_nondet_ushort() [L850] input_629 = __VERIFIER_nondet_ushort() [L851] input_631 = __VERIFIER_nondet_ushort() [L852] input_633 = __VERIFIER_nondet_ushort() [L853] input_635 = __VERIFIER_nondet_ushort() [L854] input_637 = __VERIFIER_nondet_ushort() [L855] input_639 = __VERIFIER_nondet_ushort() [L856] input_641 = __VERIFIER_nondet_ushort() [L857] input_643 = __VERIFIER_nondet_ushort() [L858] input_645 = __VERIFIER_nondet_ushort() [L859] input_647 = __VERIFIER_nondet_ushort() [L860] input_649 = __VERIFIER_nondet_ushort() [L861] input_651 = __VERIFIER_nondet_ushort() [L862] input_653 = __VERIFIER_nondet_ushort() [L863] input_655 = __VERIFIER_nondet_ushort() [L864] input_659 = __VERIFIER_nondet_ushort() [L865] input_661 = __VERIFIER_nondet_ushort() [L866] input_663 = __VERIFIER_nondet_ushort() [L867] input_665 = __VERIFIER_nondet_ushort() [L868] input_667 = __VERIFIER_nondet_ushort() [L869] input_669 = __VERIFIER_nondet_ushort() [L870] input_671 = __VERIFIER_nondet_ushort() [L871] input_673 = __VERIFIER_nondet_ushort() [L872] input_675 = __VERIFIER_nondet_ushort() [L873] input_677 = __VERIFIER_nondet_ushort() [L874] input_679 = __VERIFIER_nondet_ushort() [L875] input_681 = __VERIFIER_nondet_ushort() [L876] input_683 = __VERIFIER_nondet_ushort() [L877] input_685 = __VERIFIER_nondet_ushort() [L878] input_687 = __VERIFIER_nondet_ushort() [L879] input_689 = __VERIFIER_nondet_ushort() [L880] input_691 = __VERIFIER_nondet_ushort() [L881] input_693 = __VERIFIER_nondet_ushort() [L882] input_695 = __VERIFIER_nondet_ushort() [L883] input_697 = __VERIFIER_nondet_ushort() [L884] input_701 = __VERIFIER_nondet_ushort() [L885] input_703 = __VERIFIER_nondet_ushort() [L886] input_705 = __VERIFIER_nondet_ushort() [L887] input_707 = __VERIFIER_nondet_ushort() [L888] input_709 = __VERIFIER_nondet_ushort() [L889] input_711 = __VERIFIER_nondet_ushort() [L890] input_713 = __VERIFIER_nondet_ushort() [L891] input_715 = __VERIFIER_nondet_ushort() [L892] input_717 = __VERIFIER_nondet_ushort() [L893] input_719 = __VERIFIER_nondet_ushort() [L894] input_721 = __VERIFIER_nondet_ushort() [L895] input_723 = __VERIFIER_nondet_ushort() [L896] input_725 = __VERIFIER_nondet_ushort() [L897] input_727 = __VERIFIER_nondet_ushort() [L898] input_729 = __VERIFIER_nondet_ushort() [L899] input_731 = __VERIFIER_nondet_ushort() [L900] input_733 = __VERIFIER_nondet_ushort() [L901] input_735 = __VERIFIER_nondet_ushort() [L902] input_737 = __VERIFIER_nondet_ushort() [L903] input_740 = __VERIFIER_nondet_ushort() [L904] input_742 = __VERIFIER_nondet_ushort() [L905] input_744 = __VERIFIER_nondet_ushort() [L906] input_746 = __VERIFIER_nondet_ushort() [L907] input_748 = __VERIFIER_nondet_ushort() [L908] input_750 = __VERIFIER_nondet_ushort() [L909] input_752 = __VERIFIER_nondet_ushort() [L910] input_754 = __VERIFIER_nondet_ushort() [L911] input_756 = __VERIFIER_nondet_ushort() [L912] input_758 = __VERIFIER_nondet_ushort() [L913] input_760 = __VERIFIER_nondet_ushort() [L914] input_762 = __VERIFIER_nondet_ushort() [L915] input_764 = __VERIFIER_nondet_ushort() [L916] input_766 = __VERIFIER_nondet_ushort() [L917] input_768 = __VERIFIER_nondet_ushort() [L918] input_770 = __VERIFIER_nondet_ushort() [L919] input_772 = __VERIFIER_nondet_ushort() [L920] input_774 = __VERIFIER_nondet_ushort() [L921] input_777 = __VERIFIER_nondet_ushort() [L922] input_779 = __VERIFIER_nondet_ushort() [L923] input_781 = __VERIFIER_nondet_ushort() [L924] input_783 = __VERIFIER_nondet_ushort() [L925] input_785 = __VERIFIER_nondet_ushort() [L926] input_787 = __VERIFIER_nondet_ushort() [L927] input_789 = __VERIFIER_nondet_ushort() [L928] input_791 = __VERIFIER_nondet_ushort() [L929] input_793 = __VERIFIER_nondet_ushort() [L930] input_795 = __VERIFIER_nondet_ushort() [L931] input_797 = __VERIFIER_nondet_ushort() [L932] input_799 = __VERIFIER_nondet_ushort() [L933] input_801 = __VERIFIER_nondet_ushort() [L934] input_803 = __VERIFIER_nondet_ushort() [L935] input_805 = __VERIFIER_nondet_ushort() [L936] input_807 = __VERIFIER_nondet_ushort() [L937] input_809 = __VERIFIER_nondet_ushort() [L938] input_813 = __VERIFIER_nondet_ushort() [L939] input_815 = __VERIFIER_nondet_ushort() [L940] input_817 = __VERIFIER_nondet_ushort() [L941] input_819 = __VERIFIER_nondet_ushort() [L942] input_821 = __VERIFIER_nondet_ushort() [L943] input_823 = __VERIFIER_nondet_ushort() [L944] input_825 = __VERIFIER_nondet_ushort() [L945] input_827 = __VERIFIER_nondet_ushort() [L946] input_829 = __VERIFIER_nondet_ushort() [L947] input_831 = __VERIFIER_nondet_ushort() [L948] input_833 = __VERIFIER_nondet_ushort() [L949] input_835 = __VERIFIER_nondet_ushort() [L950] input_837 = __VERIFIER_nondet_ushort() [L951] input_839 = __VERIFIER_nondet_ushort() [L952] input_841 = __VERIFIER_nondet_ushort() [L953] input_843 = __VERIFIER_nondet_ushort() [L954] input_847 = __VERIFIER_nondet_ushort() [L955] input_849 = __VERIFIER_nondet_ushort() [L956] input_851 = __VERIFIER_nondet_ushort() [L957] input_853 = __VERIFIER_nondet_ushort() [L958] input_855 = __VERIFIER_nondet_ushort() [L959] input_857 = __VERIFIER_nondet_ushort() [L960] input_859 = __VERIFIER_nondet_ushort() [L961] input_861 = __VERIFIER_nondet_ushort() [L962] input_863 = __VERIFIER_nondet_ushort() [L963] input_865 = __VERIFIER_nondet_ushort() [L964] input_867 = __VERIFIER_nondet_ushort() [L965] input_869 = __VERIFIER_nondet_ushort() [L966] input_871 = __VERIFIER_nondet_ushort() [L967] input_873 = __VERIFIER_nondet_ushort() [L968] input_875 = __VERIFIER_nondet_ushort() [L969] input_878 = __VERIFIER_nondet_ushort() [L970] input_880 = __VERIFIER_nondet_ushort() [L971] input_882 = __VERIFIER_nondet_ushort() [L972] input_884 = __VERIFIER_nondet_ushort() [L973] input_886 = __VERIFIER_nondet_ushort() [L974] input_888 = __VERIFIER_nondet_ushort() [L975] input_890 = __VERIFIER_nondet_ushort() [L976] input_892 = __VERIFIER_nondet_ushort() [L977] input_894 = __VERIFIER_nondet_ushort() [L978] input_896 = __VERIFIER_nondet_ushort() [L979] input_898 = __VERIFIER_nondet_ushort() [L980] input_900 = __VERIFIER_nondet_ushort() [L981] input_902 = __VERIFIER_nondet_ushort() [L982] input_904 = __VERIFIER_nondet_ushort() [L983] input_907 = __VERIFIER_nondet_ushort() [L984] input_909 = __VERIFIER_nondet_ushort() [L985] input_911 = __VERIFIER_nondet_ushort() [L986] input_913 = __VERIFIER_nondet_ushort() [L987] input_915 = __VERIFIER_nondet_ushort() [L988] input_917 = __VERIFIER_nondet_ushort() [L989] input_919 = __VERIFIER_nondet_ushort() [L990] input_921 = __VERIFIER_nondet_ushort() [L991] input_923 = __VERIFIER_nondet_ushort() [L992] input_925 = __VERIFIER_nondet_ushort() [L993] input_927 = __VERIFIER_nondet_ushort() [L994] input_929 = __VERIFIER_nondet_ushort() [L995] input_931 = __VERIFIER_nondet_ushort() [L996] input_934 = __VERIFIER_nondet_ushort() [L997] input_936 = __VERIFIER_nondet_ushort() [L998] input_938 = __VERIFIER_nondet_ushort() [L999] input_940 = __VERIFIER_nondet_ushort() [L1000] input_942 = __VERIFIER_nondet_ushort() [L1001] input_944 = __VERIFIER_nondet_ushort() [L1002] input_946 = __VERIFIER_nondet_ushort() [L1003] input_948 = __VERIFIER_nondet_ushort() [L1004] input_950 = __VERIFIER_nondet_ushort() [L1005] input_952 = __VERIFIER_nondet_ushort() [L1006] input_954 = __VERIFIER_nondet_ushort() [L1007] input_956 = __VERIFIER_nondet_ushort() [L1008] input_960 = __VERIFIER_nondet_ushort() [L1009] input_962 = __VERIFIER_nondet_ushort() [L1010] input_964 = __VERIFIER_nondet_ushort() [L1011] input_966 = __VERIFIER_nondet_ushort() [L1012] input_968 = __VERIFIER_nondet_ushort() [L1013] input_970 = __VERIFIER_nondet_ushort() [L1014] input_972 = __VERIFIER_nondet_ushort() [L1015] input_974 = __VERIFIER_nondet_ushort() [L1016] input_976 = __VERIFIER_nondet_ushort() [L1017] input_978 = __VERIFIER_nondet_ushort() [L1018] input_980 = __VERIFIER_nondet_ushort() [L1019] input_984 = __VERIFIER_nondet_ushort() [L1020] input_986 = __VERIFIER_nondet_ushort() [L1021] input_988 = __VERIFIER_nondet_ushort() [L1022] input_990 = __VERIFIER_nondet_ushort() [L1023] input_992 = __VERIFIER_nondet_ushort() [L1024] input_994 = __VERIFIER_nondet_ushort() [L1025] input_996 = __VERIFIER_nondet_ushort() [L1026] input_998 = __VERIFIER_nondet_ushort() [L1027] input_1000 = __VERIFIER_nondet_ushort() [L1028] input_1002 = __VERIFIER_nondet_ushort() [L1029] input_1005 = __VERIFIER_nondet_ushort() [L1030] input_1007 = __VERIFIER_nondet_ushort() [L1031] input_1009 = __VERIFIER_nondet_ushort() [L1032] input_1011 = __VERIFIER_nondet_ushort() [L1033] input_1013 = __VERIFIER_nondet_ushort() [L1034] input_1015 = __VERIFIER_nondet_ushort() [L1035] input_1017 = __VERIFIER_nondet_ushort() [L1036] input_1019 = __VERIFIER_nondet_ushort() [L1037] input_1021 = __VERIFIER_nondet_ushort() [L1038] input_1024 = __VERIFIER_nondet_ushort() [L1039] input_1026 = __VERIFIER_nondet_ushort() [L1040] input_1028 = __VERIFIER_nondet_ushort() [L1041] input_1030 = __VERIFIER_nondet_ushort() [L1042] input_1032 = __VERIFIER_nondet_ushort() [L1043] input_1034 = __VERIFIER_nondet_ushort() [L1044] input_1036 = __VERIFIER_nondet_ushort() [L1045] input_1038 = __VERIFIER_nondet_ushort() [L1046] input_1042 = __VERIFIER_nondet_ushort() [L1047] input_1044 = __VERIFIER_nondet_ushort() [L1048] input_1046 = __VERIFIER_nondet_ushort() [L1049] input_1048 = __VERIFIER_nondet_ushort() [L1050] input_1050 = __VERIFIER_nondet_ushort() [L1051] input_1052 = __VERIFIER_nondet_ushort() [L1052] input_1054 = __VERIFIER_nondet_ushort() [L1053] input_1057 = __VERIFIER_nondet_ushort() [L1054] input_1059 = __VERIFIER_nondet_ushort() [L1055] input_1061 = __VERIFIER_nondet_ushort() [L1056] input_1063 = __VERIFIER_nondet_ushort() [L1057] input_1065 = __VERIFIER_nondet_ushort() [L1058] input_1067 = __VERIFIER_nondet_ushort() [L1059] input_1070 = __VERIFIER_nondet_ushort() [L1060] input_1072 = __VERIFIER_nondet_ushort() [L1061] input_1074 = __VERIFIER_nondet_ushort() [L1062] input_1076 = __VERIFIER_nondet_ushort() [L1063] input_1078 = __VERIFIER_nondet_ushort() [L1064] input_1082 = __VERIFIER_nondet_ushort() [L1065] input_1084 = __VERIFIER_nondet_ushort() [L1066] input_1086 = __VERIFIER_nondet_ushort() [L1067] input_1088 = __VERIFIER_nondet_ushort() [L1068] input_1091 = __VERIFIER_nondet_ushort() [L1069] input_1093 = __VERIFIER_nondet_ushort() [L1070] input_1095 = __VERIFIER_nondet_ushort() [L1071] input_1098 = __VERIFIER_nondet_ushort() [L1072] input_1100 = __VERIFIER_nondet_ushort() [L1073] input_1103 = __VERIFIER_nondet_ushort() [L1074] input_1110 = __VERIFIER_nondet_uchar() [L1075] input_1112 = __VERIFIER_nondet_uchar() [L1076] input_1122 = __VERIFIER_nondet_uchar() [L1077] input_1131 = __VERIFIER_nondet_uchar() [L1078] input_1140 = __VERIFIER_nondet_uchar() [L1079] input_1141 = __VERIFIER_nondet_uchar() [L1080] input_1142 = __VERIFIER_nondet_uchar() [L1081] input_1164 = __VERIFIER_nondet_uchar() [L1082] input_1173 = __VERIFIER_nondet_ushort() [L1083] input_1174 = __VERIFIER_nondet_ushort() [L1084] input_1175 = __VERIFIER_nondet_ushort() [L1085] input_1176 = __VERIFIER_nondet_ushort() [L1086] input_1180 = __VERIFIER_nondet_ushort() [L1087] input_1185 = __VERIFIER_nondet_ushort() [L1088] input_1200 = __VERIFIER_nondet_uchar() [L1089] input_1206 = __VERIFIER_nondet_uchar() [L1092] SORT_4 var_9_arg_0 = state_6; [L1093] SORT_4 var_9_arg_1 = var_8; [L1094] SORT_1 var_9 = var_9_arg_0 == var_9_arg_1; [L1095] SORT_1 var_10_arg_0 = var_9; [L1096] SORT_1 var_10 = ~var_10_arg_0; [L1097] SORT_1 var_15_arg_0 = state_12; [L1098] EXPR var_15_arg_0 & mask_SORT_1 [L1098] var_15_arg_0 = var_15_arg_0 & mask_SORT_1 [L1099] SORT_14 var_15 = var_15_arg_0; [L1100] SORT_14 var_17_arg_0 = var_15; [L1101] SORT_14 var_17_arg_1 = var_16; [L1102] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L1103] SORT_1 var_18_arg_0 = var_10; [L1104] SORT_1 var_18_arg_1 = var_17; [L1105] EXPR var_18_arg_0 | var_18_arg_1 [L1105] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L1106] SORT_4 var_20_arg_0 = state_6; [L1107] SORT_4 var_20_arg_1 = var_19; [L1108] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L1109] SORT_1 var_21_arg_0 = var_20; [L1110] SORT_1 var_21 = ~var_21_arg_0; [L1111] SORT_22 var_28_arg_0 = state_24; [L1112] SORT_22 var_28_arg_1 = state_26; [L1113] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L1114] SORT_1 var_29_arg_0 = var_21; [L1115] SORT_1 var_29_arg_1 = var_28; [L1116] EXPR var_29_arg_0 | var_29_arg_1 [L1116] SORT_1 var_29 = var_29_arg_0 | var_29_arg_1; [L1117] SORT_1 var_30_arg_0 = var_18; [L1118] SORT_1 var_30_arg_1 = var_29; [L1119] EXPR var_30_arg_0 & var_30_arg_1 [L1119] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L1120] SORT_1 var_34_arg_0 = var_30; [L1121] SORT_1 var_34 = ~var_34_arg_0; [L1122] SORT_1 var_35_arg_0 = var_33; [L1123] SORT_1 var_35_arg_1 = var_34; [L1124] EXPR var_35_arg_0 & var_35_arg_1 [L1124] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L1125] EXPR var_35 & mask_SORT_1 [L1125] var_35 = var_35 & mask_SORT_1 [L1126] SORT_1 bad_36_arg_0 = var_35; [L1127] CALL __VERIFIER_assert(!(bad_36_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.3s 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 [2023-12-02 12:40:11,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/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_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh --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 600fa1c49c5cda65a9bc0159bec63bfadb060f4ea3bcd99ca424b108c7a2b877 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:40:13,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:40:13,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 12:40:13,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:40:13,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:40:13,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:40:13,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:40:13,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:40:13,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:40:13,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:40:13,372 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:40:13,372 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:40:13,373 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:40:13,373 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:40:13,374 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:40:13,375 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:40:13,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:40:13,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:40:13,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:40:13,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:40:13,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:40:13,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:40:13,379 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:40:13,380 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:40:13,380 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:40:13,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:40:13,381 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:40:13,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:40:13,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:40:13,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:40:13,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:40:13,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:40:13,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:40:13,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:40:13,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:40:13,384 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:40:13,384 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:40:13,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:40:13,385 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:40:13,385 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:40:13,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:40:13,386 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_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600fa1c49c5cda65a9bc0159bec63bfadb060f4ea3bcd99ca424b108c7a2b877 [2023-12-02 12:40:13,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:40:13,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:40:13,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:40:13,687 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:40:13,687 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:40:13,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c [2023-12-02 12:40:16,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:40:16,822 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:40:16,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c [2023-12-02 12:40:16,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/data/77188d63c/3db1bc1a4ec84390bdbfb81e8a84001d/FLAG742c45e01 [2023-12-02 12:40:17,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/data/77188d63c/3db1bc1a4ec84390bdbfb81e8a84001d [2023-12-02 12:40:17,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:40:17,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:40:17,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:40:17,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:40:17,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:40:17,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:17,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6f647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17, skipping insertion in model container [2023-12-02 12:40:17,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:17,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:40:17,371 WARN L240 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_76195dcf-f30b-4031-b521-258179156590/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c[1245,1258] [2023-12-02 12:40:17,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:40:17,700 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:40:17,712 WARN L240 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_76195dcf-f30b-4031-b521-258179156590/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b05.c[1245,1258] [2023-12-02 12:40:17,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:40:17,950 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:40:17,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17 WrapperNode [2023-12-02 12:40:17,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:40:17,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:40:17,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:40:17,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:40:17,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:18,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:18,178 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4522 [2023-12-02 12:40:18,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:40:18,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:40:18,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:40:18,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:40:18,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:18,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:18,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:18,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:18,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:18,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:18,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:18,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:18,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:40:18,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:40:18,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:40:18,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:40:18,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17" (1/1) ... [2023-12-02 12:40:18,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:40:18,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:40:18,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:40:18,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:40:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:40:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:40:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:40:18,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:40:19,066 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:40:19,069 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:40:23,142 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:40:23,283 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:40:23,283 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:40:23,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:40:23 BoogieIcfgContainer [2023-12-02 12:40:23,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:40:23,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:40:23,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:40:23,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:40:23,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:40:17" (1/3) ... [2023-12-02 12:40:23,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2adc19ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:40:23, skipping insertion in model container [2023-12-02 12:40:23,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:40:17" (2/3) ... [2023-12-02 12:40:23,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2adc19ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:40:23, skipping insertion in model container [2023-12-02 12:40:23,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:40:23" (3/3) ... [2023-12-02 12:40:23,292 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b05.c [2023-12-02 12:40:23,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:40:23,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:40:23,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:40:23,349 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@2ee6766d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:40:23,349 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:40:23,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-12-02 12:40:23,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 12:40:23,357 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:40:23,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 12:40:23,359 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:40:23,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:40:23,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-02 12:40:23,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:40:23,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525143408] [2023-12-02 12:40:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:40:23,375 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 [2023-12-02 12:40:23,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:40:23,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 12:40:23,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 12:40:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:40:24,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 12:40:24,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:40:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:40:24,542 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:40:24,543 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:40:24,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525143408] [2023-12-02 12:40:24,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525143408] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:40:24,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:40:24,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:40:24,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506635134] [2023-12-02 12:40:24,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:40:24,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:40:24,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:40:24,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:40:24,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:40:24,580 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-02 12:40:25,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:40:25,373 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-12-02 12:40:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:40:25,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-12-02 12:40:25,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:40:25,380 INFO L225 Difference]: With dead ends: 16 [2023-12-02 12:40:25,381 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 12:40:25,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:40:25,385 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:40:25,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 12:40:25,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 12:40:25,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-02 12:40:25,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-12-02 12:40:25,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-02 12:40:25,409 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-02 12:40:25,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:40:25,409 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-02 12:40:25,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-02 12:40:25,410 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-02 12:40:25,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 12:40:25,410 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:40:25,410 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-02 12:40:25,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:40:25,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 12:40:25,615 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:40:25,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:40:25,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-12-02 12:40:25,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:40:25,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805447500] [2023-12-02 12:40:25,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:40:25,622 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 [2023-12-02 12:40:25,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:40:25,623 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 12:40:25,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 12:40:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:40:28,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 101 conjunts are in the unsatisfiable core [2023-12-02 12:40:28,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:40:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:40:30,081 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:40:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:40:55,903 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:40:55,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805447500] [2023-12-02 12:40:55,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805447500] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:40:55,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [130632092] [2023-12-02 12:40:55,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:40:55,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:40:55,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:40:55,905 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:40:55,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 12:40:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:40:58,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 134 conjunts are in the unsatisfiable core [2023-12-02 12:40:58,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:40:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:40:59,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:41:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:41:20,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [130632092] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:41:20,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272750380] [2023-12-02 12:41:20,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:41:20,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:41:20,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:41:20,509 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:41:20,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 12:41:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:41:21,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 116 conjunts are in the unsatisfiable core [2023-12-02 12:41:21,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:41:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:41:22,361 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:41:48,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:41:48,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272750380] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:41:48,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 12:41:48,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 5, 5] total 10 [2023-12-02 12:41:48,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363473486] [2023-12-02 12:41:48,681 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 12:41:48,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 12:41:48,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:41:48,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 12:41:48,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-12-02 12:41:48,683 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 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) [2023-12-02 12:41:50,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:41:50,207 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-12-02 12:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 12:41:50,207 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 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 7 [2023-12-02 12:41:50,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:41:50,208 INFO L225 Difference]: With dead ends: 14 [2023-12-02 12:41:50,208 INFO L226 Difference]: Without dead ends: 12 [2023-12-02 12:41:50,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-12-02 12:41:50,210 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:41:50,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 12:41:50,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-12-02 12:41:50,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-12-02 12:41:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 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) [2023-12-02 12:41:50,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-02 12:41:50,214 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-12-02 12:41:50,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:41:50,214 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-12-02 12:41:50,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 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) [2023-12-02 12:41:50,215 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-02 12:41:50,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 12:41:50,215 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:41:50,215 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-12-02 12:41:50,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 12:41:50,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 12:41:50,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-02 12:41:50,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:41:50,817 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:41:50,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:41:50,817 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-12-02 12:41:50,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:41:50,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767122612] [2023-12-02 12:41:50,820 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 12:41:50,820 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 [2023-12-02 12:41:50,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:41:50,821 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 12:41:50,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76195dcf-f30b-4031-b521-258179156590/bin/utaipan-verify-nQ1chXbOIh/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 (6)] Waiting until timeout for monitored process [2023-12-02 12:41:57,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 12:41:57,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 12:41:57,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 4988 conjuncts, 192 conjunts are in the unsatisfiable core [2023-12-02 12:41:57,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:41:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:41:59,362 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:52:57,952 WARN L293 SmtUtils]: Spent 5.94m on a formula simplification. DAG size of input: 1787 DAG size of output: 1741 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)