./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f4e95dc8a7148512bd25af62180d765cf1bfe32acfdc3f607fe13496615f0bd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:05:03,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:05:03,395 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 21:05:03,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:05:03,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:05:03,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:05:03,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:05:03,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:05:03,469 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:05:03,476 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:05:03,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:05:03,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:05:03,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:05:03,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:05:03,482 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:05:03,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:05:03,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:05:03,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:05:03,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:05:03,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:05:03,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:05:03,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:05:03,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:05:03,490 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:05:03,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:05:03,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:05:03,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:05:03,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:05:03,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:05:03,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:05:03,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:05:03,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:05:03,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:05:03,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:05:03,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:05:03,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:05:03,498 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:05:03,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:05:03,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:05:03,498 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f4e95dc8a7148512bd25af62180d765cf1bfe32acfdc3f607fe13496615f0bd [2023-11-21 21:05:03,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:05:03,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:05:03,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:05:03,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:05:03,944 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:05:03,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-func-interl.c [2023-11-21 21:05:07,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:05:07,753 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:05:07,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-func-interl.c [2023-11-21 21:05:07,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/data/5ee2ac81b/83f1cdf1b38f40f98e61548affd2248d/FLAG9c78b25ae [2023-11-21 21:05:07,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/data/5ee2ac81b/83f1cdf1b38f40f98e61548affd2248d [2023-11-21 21:05:07,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:05:07,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:05:07,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:05:07,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:05:07,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:05:07,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:05:07" (1/1) ... [2023-11-21 21:05:07,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731c72f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:07, skipping insertion in model container [2023-11-21 21:05:07,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:05:07" (1/1) ... [2023-11-21 21:05:07,859 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:05:08,035 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_fffc84df-7afc-4014-b444-59806ba2fb7f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-func-interl.c[1173,1186] [2023-11-21 21:05:08,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:05:08,317 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:05:08,338 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_fffc84df-7afc-4014-b444-59806ba2fb7f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-func-interl.c[1173,1186] [2023-11-21 21:05:08,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:05:08,534 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:05:08,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08 WrapperNode [2023-11-21 21:05:08,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:05:08,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:05:08,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:05:08,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:05:08,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (1/1) ... [2023-11-21 21:05:08,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (1/1) ... [2023-11-21 21:05:09,023 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1873 [2023-11-21 21:05:09,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:05:09,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:05:09,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:05:09,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:05:09,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (1/1) ... [2023-11-21 21:05:09,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (1/1) ... [2023-11-21 21:05:09,138 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (1/1) ... [2023-11-21 21:05:09,196 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 21:05:09,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (1/1) ... [2023-11-21 21:05:09,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (1/1) ... [2023-11-21 21:05:09,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (1/1) ... [2023-11-21 21:05:09,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (1/1) ... [2023-11-21 21:05:09,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (1/1) ... [2023-11-21 21:05:09,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (1/1) ... [2023-11-21 21:05:09,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:05:09,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:05:09,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:05:09,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:05:09,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (1/1) ... [2023-11-21 21:05:09,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:05:09,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:05:09,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:05:09,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:05:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:05:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:05:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:05:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:05:09,732 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:05:09,735 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:05:12,009 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:05:16,581 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:05:16,582 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 21:05:16,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:05:16 BoogieIcfgContainer [2023-11-21 21:05:16,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:05:16,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:05:16,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:05:16,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:05:16,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:05:07" (1/3) ... [2023-11-21 21:05:16,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273800da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:05:16, skipping insertion in model container [2023-11-21 21:05:16,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:08" (2/3) ... [2023-11-21 21:05:16,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273800da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:05:16, skipping insertion in model container [2023-11-21 21:05:16,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:05:16" (3/3) ... [2023-11-21 21:05:16,602 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.adding.5.prop1-func-interl.c [2023-11-21 21:05:16,630 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:05:16,631 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:05:16,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:05:16,716 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=PETRI_NET, 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;@112fe81c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:05:16,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:05:16,722 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) [2023-11-21 21:05:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 21:05:16,728 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:05:16,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 21:05:16,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:05:16,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:16,735 INFO L85 PathProgramCache]: Analyzing trace with hash 78934832, now seen corresponding path program 1 times [2023-11-21 21:05:16,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:05:16,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925214846] [2023-11-21 21:05:16,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:16,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:05:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:05:17,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:05:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:05:18,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:05:18,298 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 21:05:18,300 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 21:05:18,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:05:18,308 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 21:05:18,317 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:05:18,370 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 21:05:18,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:05:18 BoogieIcfgContainer [2023-11-21 21:05:18,389 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:05:18,392 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:05:18,392 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:05:18,393 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:05:18,393 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:05:16" (3/4) ... [2023-11-21 21:05:18,399 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 21:05:18,400 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:05:18,402 INFO L158 Benchmark]: Toolchain (without parser) took 10611.07ms. Allocated memory was 153.1MB in the beginning and 532.7MB in the end (delta: 379.6MB). Free memory was 122.1MB in the beginning and 366.7MB in the end (delta: -244.7MB). Peak memory consumption was 135.5MB. Max. memory is 16.1GB. [2023-11-21 21:05:18,403 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:05:18,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.52ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 95.4MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 21:05:18,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 481.44ms. Allocated memory is still 153.1MB. Free memory was 95.4MB in the beginning and 99.4MB in the end (delta: -4.0MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2023-11-21 21:05:18,413 INFO L158 Benchmark]: Boogie Preprocessor took 352.86ms. Allocated memory is still 153.1MB. Free memory was 99.4MB in the beginning and 78.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 21:05:18,415 INFO L158 Benchmark]: RCFGBuilder took 7206.40ms. Allocated memory was 153.1MB in the beginning and 532.7MB in the end (delta: 379.6MB). Free memory was 78.9MB in the beginning and 203.1MB in the end (delta: -124.3MB). Peak memory consumption was 258.0MB. Max. memory is 16.1GB. [2023-11-21 21:05:18,416 INFO L158 Benchmark]: TraceAbstraction took 1800.11ms. Allocated memory is still 532.7MB. Free memory was 202.1MB in the beginning and 367.8MB in the end (delta: -165.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:05:18,416 INFO L158 Benchmark]: Witness Printer took 8.89ms. Allocated memory is still 532.7MB. Free memory was 367.8MB in the beginning and 366.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:05:18,431 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 748.52ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 95.4MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 481.44ms. Allocated memory is still 153.1MB. Free memory was 95.4MB in the beginning and 99.4MB in the end (delta: -4.0MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 352.86ms. Allocated memory is still 153.1MB. Free memory was 99.4MB in the beginning and 78.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 7206.40ms. Allocated memory was 153.1MB in the beginning and 532.7MB in the end (delta: 379.6MB). Free memory was 78.9MB in the beginning and 203.1MB in the end (delta: -124.3MB). Peak memory consumption was 258.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1800.11ms. Allocated memory is still 532.7MB. Free memory was 202.1MB in the beginning and 367.8MB in the end (delta: -165.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.89ms. Allocated memory is still 532.7MB. Free memory was 367.8MB in the beginning and 366.7MB 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 102, overapproximation of shiftRight at line 109, overapproximation of bitwiseAnd at line 87. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 5); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (5 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_3 var_5 = 0; [L39] const SORT_1 var_12 = 0; [L40] const SORT_4 var_27 = 849; [L41] const SORT_3 var_28 = 1; [L42] const SORT_3 var_30 = 0; [L43] const SORT_4 var_32 = 16; [L44] const SORT_4 var_79 = 500; [L46] SORT_1 input_37; [L47] SORT_1 input_38; [L48] SORT_1 input_43; [L49] SORT_1 input_48; [L50] SORT_1 input_52; [L51] SORT_1 input_57; [L53] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L53] SORT_3 state_6 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L54] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L54] SORT_3 state_8 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L55] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L55] SORT_3 state_10 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L56] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L57] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L58] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L58] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L59] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L60] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L61] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L62] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] SORT_3 init_7_arg_1 = var_5; [L65] state_6 = init_7_arg_1 [L66] SORT_3 init_9_arg_1 = var_5; [L67] state_8 = init_9_arg_1 [L68] SORT_3 init_11_arg_1 = var_5; [L69] state_10 = init_11_arg_1 [L70] SORT_1 init_14_arg_1 = var_12; [L71] state_13 = init_14_arg_1 [L72] SORT_1 init_16_arg_1 = var_12; [L73] state_15 = init_16_arg_1 [L74] SORT_1 init_18_arg_1 = var_12; [L75] state_17 = init_18_arg_1 [L76] SORT_1 init_20_arg_1 = var_12; [L77] state_19 = init_20_arg_1 [L78] SORT_1 init_22_arg_1 = var_12; [L79] state_21 = init_22_arg_1 [L80] SORT_1 init_24_arg_1 = var_12; [L81] state_23 = init_24_arg_1 [L82] SORT_1 init_26_arg_1 = var_12; [L83] state_25 = init_26_arg_1 VAL [init_11_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=31, mask_SORT_3=65535, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=16, msb_SORT_3=32768, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_6=0, state_8=0, var_12=0, var_27=849, var_28=1, var_30=0, var_32=16, var_5=0, var_79=500] [L86] input_37 = __VERIFIER_nondet_uchar() [L87] EXPR input_37 & mask_SORT_1 [L87] input_37 = input_37 & mask_SORT_1 [L88] input_38 = __VERIFIER_nondet_uchar() [L89] EXPR input_38 & mask_SORT_1 [L89] input_38 = input_38 & mask_SORT_1 [L90] input_43 = __VERIFIER_nondet_uchar() [L91] EXPR input_43 & mask_SORT_1 [L91] input_43 = input_43 & mask_SORT_1 [L92] input_48 = __VERIFIER_nondet_uchar() [L93] EXPR input_48 & mask_SORT_1 [L93] input_48 = input_48 & mask_SORT_1 [L94] input_52 = __VERIFIER_nondet_uchar() [L95] EXPR input_52 & mask_SORT_1 [L95] input_52 = input_52 & mask_SORT_1 [L96] input_57 = __VERIFIER_nondet_uchar() [L97] EXPR input_57 & mask_SORT_1 [L97] input_57 = input_57 & mask_SORT_1 [L100] SORT_3 var_29_arg_0 = var_28; [L101] SORT_3 var_29_arg_1 = state_6; [L102] EXPR var_29_arg_0 ^ var_29_arg_1 [L102] SORT_3 var_29 = var_29_arg_0 ^ var_29_arg_1; [L103] SORT_3 var_31_arg_0 = var_29; [L104] SORT_3 var_31_arg_1 = var_30; [L105] EXPR ((SORT_4)var_31_arg_0 << 16) | var_31_arg_1 [L105] SORT_4 var_31 = ((SORT_4)var_31_arg_0 << 16) | var_31_arg_1; [L106] SORT_4 var_33_arg_0 = var_31; [L107] EXPR var_33_arg_0 & msb_SORT_4 [L107] EXPR (var_33_arg_0 & msb_SORT_4) ? (var_33_arg_0 | ~mask_SORT_4) : (var_33_arg_0 & mask_SORT_4) [L107] EXPR var_33_arg_0 | ~mask_SORT_4 [L107] EXPR (var_33_arg_0 & msb_SORT_4) ? (var_33_arg_0 | ~mask_SORT_4) : (var_33_arg_0 & mask_SORT_4) [L107] var_33_arg_0 = (var_33_arg_0 & msb_SORT_4) ? (var_33_arg_0 | ~mask_SORT_4) : (var_33_arg_0 & mask_SORT_4) [L108] SORT_4 var_33_arg_1 = var_32; [L109] EXPR (int)var_33_arg_0 >> var_33_arg_1 [L109] SORT_4 var_33 = (int)var_33_arg_0 >> var_33_arg_1; [L110] EXPR var_33_arg_0 & msb_SORT_4 [L110] EXPR (var_33_arg_0 & msb_SORT_4) ? (var_33 | ~(mask_SORT_4 >> var_33_arg_1)) : var_33 [L110] EXPR mask_SORT_4 >> var_33_arg_1 [L110] EXPR var_33 | ~(mask_SORT_4 >> var_33_arg_1) [L110] EXPR (var_33_arg_0 & msb_SORT_4) ? (var_33 | ~(mask_SORT_4 >> var_33_arg_1)) : var_33 [L110] var_33 = (var_33_arg_0 & msb_SORT_4) ? (var_33 | ~(mask_SORT_4 >> var_33_arg_1)) : var_33 [L111] EXPR var_33 & mask_SORT_4 [L111] var_33 = var_33 & mask_SORT_4 [L112] SORT_4 var_34_arg_0 = var_27; [L113] SORT_4 var_34_arg_1 = var_33; [L114] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L115] SORT_1 var_35_arg_0 = ~state_25; [L116] EXPR var_35_arg_0 & mask_SORT_1 [L116] var_35_arg_0 = var_35_arg_0 & mask_SORT_1 [L117] SORT_1 var_35_arg_1 = var_34; [L118] EXPR var_35_arg_0 & var_35_arg_1 [L118] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L119] EXPR var_35 & mask_SORT_1 [L119] var_35 = var_35 & mask_SORT_1 [L120] SORT_1 bad_36_arg_0 = var_35; [L121] 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: 1.6s, 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, 0.9s 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 [2023-11-21 21:05:18,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f4e95dc8a7148512bd25af62180d765cf1bfe32acfdc3f607fe13496615f0bd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:05:21,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:05:21,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-21 21:05:21,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:05:21,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:05:21,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:05:21,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:05:21,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:05:21,935 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:05:21,941 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:05:21,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:05:21,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:05:21,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:05:21,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:05:21,946 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:05:21,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:05:21,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:05:21,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:05:21,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:05:21,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:05:21,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:05:21,950 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 21:05:21,951 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 21:05:21,952 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 21:05:21,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:05:21,953 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:05:21,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:05:21,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:05:21,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:05:21,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:05:21,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:05:21,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:05:21,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:05:21,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:05:21,959 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 21:05:21,960 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 21:05:21,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:05:21,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:05:21,962 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:05:21,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:05:21,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:05:21,963 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 21:05:21,963 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f4e95dc8a7148512bd25af62180d765cf1bfe32acfdc3f607fe13496615f0bd [2023-11-21 21:05:22,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:05:22,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:05:22,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:05:22,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:05:22,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:05:22,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-func-interl.c [2023-11-21 21:05:26,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:05:26,451 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:05:26,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-func-interl.c [2023-11-21 21:05:26,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/data/b426cc1b6/18dbbb1e3f134318bee41268607a998f/FLAGde53944f2 [2023-11-21 21:05:26,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/data/b426cc1b6/18dbbb1e3f134318bee41268607a998f [2023-11-21 21:05:26,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:05:26,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:05:26,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:05:26,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:05:26,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:05:26,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:05:26" (1/1) ... [2023-11-21 21:05:26,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166c5668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:26, skipping insertion in model container [2023-11-21 21:05:26,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:05:26" (1/1) ... [2023-11-21 21:05:26,571 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:05:26,734 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_fffc84df-7afc-4014-b444-59806ba2fb7f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-func-interl.c[1173,1186] [2023-11-21 21:05:26,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:05:26,902 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:05:26,914 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_fffc84df-7afc-4014-b444-59806ba2fb7f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.5.prop1-func-interl.c[1173,1186] [2023-11-21 21:05:27,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:05:27,090 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:05:27,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27 WrapperNode [2023-11-21 21:05:27,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:05:27,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:05:27,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:05:27,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:05:27,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (1/1) ... [2023-11-21 21:05:27,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (1/1) ... [2023-11-21 21:05:27,223 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 455 [2023-11-21 21:05:27,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:05:27,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:05:27,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:05:27,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:05:27,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (1/1) ... [2023-11-21 21:05:27,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (1/1) ... [2023-11-21 21:05:27,249 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (1/1) ... [2023-11-21 21:05:27,277 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 21:05:27,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (1/1) ... [2023-11-21 21:05:27,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (1/1) ... [2023-11-21 21:05:27,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (1/1) ... [2023-11-21 21:05:27,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (1/1) ... [2023-11-21 21:05:27,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (1/1) ... [2023-11-21 21:05:27,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (1/1) ... [2023-11-21 21:05:27,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:05:27,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:05:27,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:05:27,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:05:27,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (1/1) ... [2023-11-21 21:05:27,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:05:27,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:05:27,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:05:27,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:05:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:05:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 21:05:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:05:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:05:27,675 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:05:27,677 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:05:28,247 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:05:28,302 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:05:28,303 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 21:05:28,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:05:28 BoogieIcfgContainer [2023-11-21 21:05:28,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:05:28,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:05:28,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:05:28,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:05:28,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:05:26" (1/3) ... [2023-11-21 21:05:28,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1828b089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:05:28, skipping insertion in model container [2023-11-21 21:05:28,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:27" (2/3) ... [2023-11-21 21:05:28,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1828b089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:05:28, skipping insertion in model container [2023-11-21 21:05:28,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:05:28" (3/3) ... [2023-11-21 21:05:28,315 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.adding.5.prop1-func-interl.c [2023-11-21 21:05:28,335 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:05:28,335 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:05:28,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:05:28,387 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=PETRI_NET, 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;@4d9be96e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:05:28,387 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:05:28,392 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) [2023-11-21 21:05:28,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 21:05:28,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:05:28,401 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 21:05:28,402 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:05:28,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:28,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-21 21:05:28,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 21:05:28,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904941378] [2023-11-21 21:05:28,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:28,425 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 [2023-11-21 21:05:28,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 21:05:28,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 21:05:28,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 21:05:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:28,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-21 21:05:28,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:05:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:05:29,210 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:05:29,211 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 21:05:29,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904941378] [2023-11-21 21:05:29,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [904941378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:05:29,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:05:29,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:05:29,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844539512] [2023-11-21 21:05:29,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:05:29,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:05:29,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 21:05:29,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:05:29,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:05:29,250 INFO L87 Difference]: Start difference. First 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) 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) [2023-11-21 21:05:29,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:05:29,384 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2023-11-21 21:05:29,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:05:29,388 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 [2023-11-21 21:05:29,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:05:29,395 INFO L225 Difference]: With dead ends: 15 [2023-11-21 21:05:29,395 INFO L226 Difference]: Without dead ends: 9 [2023-11-21 21:05:29,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:05:29,402 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 21:05:29,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 21:05:29,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-21 21:05:29,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-21 21:05:29,436 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) [2023-11-21 21:05:29,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-21 21:05:29,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-21 21:05:29,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:05:29,439 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-21 21:05:29,439 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) [2023-11-21 21:05:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-21 21:05:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 21:05:29,440 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:05:29,440 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-21 21:05:29,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-21 21:05:29,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 21:05:29,644 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:05:29,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:29,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-21 21:05:29,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 21:05:29,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945231020] [2023-11-21 21:05:29,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:05:29,648 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 [2023-11-21 21:05:29,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 21:05:29,650 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 21:05:29,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 21:05:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:05:30,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-21 21:05:30,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:05:32,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:05:32,138 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:05:37,965 WARN L854 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_~var_91_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_123_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_109_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_86_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_99_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_89_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_138_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_137_arg_1~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_138_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_137_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_23~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_37~0#1|)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_17~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_38~0#1|)))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_86_arg_0~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_89_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_91_arg_1~0#1_15|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_99_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_109_arg_1~0#1_16|))))))))))))))))))))))))) (_ bv1 32)))) .cse0))) (_ bv0 8))) (let ((.cse3 (bvnot (bvlshr |c_ULTIMATE.start_main_~mask_SORT_4~0#1| |c_ULTIMATE.start_main_~var_32~0#1|))) (.cse5 (bvnot |c_ULTIMATE.start_main_~mask_SORT_4~0#1|)) (.cse8 ((_ zero_extend 16) |c_ULTIMATE.start_main_~var_28~0#1|)) (.cse12 (= |c_ULTIMATE.start_main_~input_37~0#1| (_ bv0 8)))) (let ((.cse2 (not .cse12)) (.cse1 (or .cse12 (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_40_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse13 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_40_arg_1~0#1_15|))) .cse8))) .cse8))) (_ bv16 32))))) (or (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_4~0#1| (bvor .cse3 (bvashr (bvor .cse13 .cse5) |c_ULTIMATE.start_main_~var_32~0#1|))) |c_ULTIMATE.start_main_~var_27~0#1|)) (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse13) (_ bv0 32))))) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_40_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse14 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_40_arg_1~0#1_15|))) .cse8))) .cse8))) (_ bv16 32))))) (or (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_4~0#1| (bvashr (bvand .cse14 |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_32~0#1|)) |c_ULTIMATE.start_main_~var_27~0#1|)) (not (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse14) (_ bv0 32))))))))) (.cse9 (= |c_ULTIMATE.start_main_~input_38~0#1| (_ bv0 8)))) (and (or (and .cse1 (or .cse2 (let ((.cse6 (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |c_ULTIMATE.start_main_~var_29~0#1|))))) .cse8))) .cse8))) (_ bv16 32)))) (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse4 (bvor .cse6 ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|)))) (or (not (= (bvand (bvor .cse3 (bvashr (bvor .cse4 .cse5) |c_ULTIMATE.start_main_~var_32~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse4) (_ bv0 32))))) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse7 (bvor .cse6 ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|)))) (or (not (= (bvand (bvashr (bvand .cse7 |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_32~0#1|) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (not (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse7) (_ bv0 32)))))))))) (not .cse9)) (or (and (or .cse2 (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_39_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse10 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_39_arg_1~0#1_15|))))) .cse8))) .cse8))) (_ bv16 32))))) (or (not (= (bvand (bvashr (bvand .cse10 |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_32~0#1|) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (not (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse10) (_ bv0 32)))))) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_39_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse11 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_39_arg_1~0#1_15|))))) .cse8))) .cse8))) (_ bv16 32))))) (or (not (= (bvand (bvor .cse3 (bvashr (bvor .cse11 .cse5) |c_ULTIMATE.start_main_~var_32~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse11) (_ bv0 32))))))) .cse1) .cse9))))) is different from false [2023-11-21 21:05:42,167 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse6 (bvnot (bvlshr |c_ULTIMATE.start_main_~mask_SORT_4~0#1| |c_ULTIMATE.start_main_~var_32~0#1|))) (.cse8 (bvnot |c_ULTIMATE.start_main_~mask_SORT_4~0#1|)) (.cse5 ((_ zero_extend 16) |c_ULTIMATE.start_main_~var_28~0#1|)) (.cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 (_ bv255 32))))) (.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_23~0#1|))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse17 .cse11)))) (.cse9 (forall ((|v_ULTIMATE.start_main_#t~nondet14#1_17| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_17|))) (_ bv0 8))))) (.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_17~0#1|)) (.cse13 (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_40_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse20 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_40_arg_1~0#1_15|))) .cse5))) .cse5))) (_ bv16 32))))) (or (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_4~0#1| (bvor .cse6 (bvashr (bvor .cse20 .cse8) |c_ULTIMATE.start_main_~var_32~0#1|))) |c_ULTIMATE.start_main_~var_27~0#1|)) (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse20) (_ bv0 32))))) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_40_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse21 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_40_arg_1~0#1_15|))) .cse5))) .cse5))) (_ bv16 32))))) (or (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_4~0#1| (bvashr (bvand .cse21 |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_32~0#1|)) |c_ULTIMATE.start_main_~var_27~0#1|)) (not (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse21) (_ bv0 32))))))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_91_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_123_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_109_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_86_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_99_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_89_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet15#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_138_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_137_arg_1~0#1_15| (_ BitVec 8))) (let ((.cse1 ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_17|))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_138_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_137_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_86_arg_0~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse1))))))) .cse2)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_89_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_91_arg_1~0#1_15|)))) .cse3))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_99_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_109_arg_1~0#1_16|)))))))))))))))) .cse0))))))))) (_ bv1 32))))))) (= .cse1 (_ bv0 8))))) (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_39_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse4 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_39_arg_1~0#1_15|))))) .cse5))) .cse5))) (_ bv16 32))))) (or (not (= (bvand (bvashr (bvand .cse4 |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_32~0#1|) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (not (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse4) (_ bv0 32)))))) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_39_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse7 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_39_arg_1~0#1_15|))))) .cse5))) .cse5))) (_ bv16 32))))) (or (not (= (bvand (bvor .cse6 (bvashr (bvor .cse7 .cse8) |c_ULTIMATE.start_main_~var_32~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse7) (_ bv0 32)))))) .cse9) (or (forall ((|v_ULTIMATE.start_main_#t~nondet15#1_17| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_17|))) (_ bv0 8)))) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse17 .cse2))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_91_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet14#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_123_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_109_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_86_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_99_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_89_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_138_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_137_arg_1~0#1_15| (_ BitVec 8))) (let ((.cse10 ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_17|))))) (or (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_138_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse10))))))) .cse11))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_89_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_86_arg_0~0#1_15|) .cse12)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_91_arg_1~0#1_15|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_99_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_109_arg_1~0#1_16|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_137_arg_1~0#1_15|))))))))))))))))))) (_ bv1 32)))))) (_ bv0 8)) (= .cse10 (_ bv0 8))))) .cse13) (or (let ((.cse15 (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor .cse5 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_6~0#1|) .cse5)))))))))) .cse5))) (_ bv16 32)))) (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse14 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) .cse15))) (or (not (= (bvand (bvor .cse6 (bvashr (bvor .cse14 .cse8) |c_ULTIMATE.start_main_~var_32~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse14) (_ bv0 32))))) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse16 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) .cse15))) (or (not (= (bvand (bvashr (bvand .cse16 |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_32~0#1|) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (not (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse16) (_ bv0 32)))))))) (forall ((|v_ULTIMATE.start_main_~var_91_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_123_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_109_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_86_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_99_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_89_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_138_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_137_arg_1~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_138_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_137_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_89_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_86_arg_0~0#1_15|) .cse12)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_91_arg_1~0#1_15|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_99_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_109_arg_1~0#1_16|)))))))))))))))) .cse0))))))))) (_ bv1 32)))))) (_ bv0 8))) .cse9)))) (or (forall ((|v_ULTIMATE.start_main_~var_91_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet14#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_123_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_109_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_86_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_99_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_89_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet15#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_138_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_137_arg_1~0#1_15| (_ BitVec 8))) (let ((.cse18 ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_17|)))) (.cse19 ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_17|))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_138_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse18))))))) .cse11))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_86_arg_0~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse19))))))) .cse2)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_89_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_91_arg_1~0#1_15|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_99_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_109_arg_1~0#1_16|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_137_arg_1~0#1_15|)))))))))) .cse0))))))))) (_ bv1 32))))))) (= .cse18 (_ bv0 8)) (= .cse19 (_ bv0 8))))) .cse13))))) is different from false [2023-11-21 21:05:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-11-21 21:05:42,228 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 21:05:42,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945231020] [2023-11-21 21:05:42,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945231020] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 21:05:42,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 21:05:42,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-21 21:05:42,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460055368] [2023-11-21 21:05:42,229 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 21:05:42,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-21 21:05:42,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 21:05:42,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 21:05:42,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=41, Unknown=3, NotChecked=26, Total=90 [2023-11-21 21:05:42,232 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:05:45,231 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse6 (bvnot (bvlshr |c_ULTIMATE.start_main_~mask_SORT_4~0#1| |c_ULTIMATE.start_main_~var_32~0#1|))) (.cse8 (bvnot |c_ULTIMATE.start_main_~mask_SORT_4~0#1|)) (.cse5 ((_ zero_extend 16) |c_ULTIMATE.start_main_~var_28~0#1|)) (.cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 (_ bv255 32))))) (.cse17 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_23~0#1|))) (let ((.cse10 (= |c_ULTIMATE.start_main_~state_6~0#1| (_ bv0 16))) (.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse23 .cse17)))) (.cse9 (forall ((|v_ULTIMATE.start_main_#t~nondet14#1_17| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_17|))) (_ bv0 8))))) (.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_17~0#1|)) (.cse19 (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_40_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse26 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_40_arg_1~0#1_15|))) .cse5))) .cse5))) (_ bv16 32))))) (or (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_4~0#1| (bvor .cse6 (bvashr (bvor .cse26 .cse8) |c_ULTIMATE.start_main_~var_32~0#1|))) |c_ULTIMATE.start_main_~var_27~0#1|)) (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse26) (_ bv0 32))))) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_40_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse27 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_40_arg_1~0#1_15|))) .cse5))) .cse5))) (_ bv16 32))))) (or (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_4~0#1| (bvashr (bvand .cse27 |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_32~0#1|)) |c_ULTIMATE.start_main_~var_27~0#1|)) (not (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse27) (_ bv0 32))))))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_91_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_123_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_109_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_86_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_99_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_89_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet15#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_138_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_137_arg_1~0#1_15| (_ BitVec 8))) (let ((.cse1 ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_17|))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_138_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_137_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_86_arg_0~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse1))))))) .cse2)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_89_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_91_arg_1~0#1_15|)))) .cse3))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_99_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_109_arg_1~0#1_16|)))))))))))))))) .cse0))))))))) (_ bv1 32))))))) (= .cse1 (_ bv0 8))))) (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_39_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse4 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_39_arg_1~0#1_15|))))) .cse5))) .cse5))) (_ bv16 32))))) (or (not (= (bvand (bvashr (bvand .cse4 |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_32~0#1|) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (not (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse4) (_ bv0 32)))))) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_39_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse7 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_39_arg_1~0#1_15|))))) .cse5))) .cse5))) (_ bv16 32))))) (or (not (= (bvand (bvor .cse6 (bvashr (bvor .cse7 .cse8) |c_ULTIMATE.start_main_~var_32~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse7) (_ bv0 32)))))) .cse9) (let ((.cse13 (exists ((|ULTIMATE.start_main_~var_40_arg_1~0#1| (_ BitVec 16))) (= |c_ULTIMATE.start_main_~state_6~0#1| ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |ULTIMATE.start_main_~var_40_arg_1~0#1|))) (_ bv1 32))))))) (or (and (exists ((|ULTIMATE.start_main_~var_89_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_109_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_137_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_99_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_91_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_86_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_123_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_138_arg_1~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_123_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_109_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_91_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |ULTIMATE.start_main_~var_86_arg_0~0#1|)))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_89_arg_1~0#1|))))))) (_ bv1 32)))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_99_arg_1~0#1|)))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_137_arg_1~0#1|)))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_138_arg_1~0#1|))))))) (_ bv1 32))) |c_ULTIMATE.start_main_~state_25~0#1|)) .cse10) (and (exists ((|ULTIMATE.start_main_~var_89_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_109_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_137_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_99_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_91_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_86_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_123_arg_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet15#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_138_arg_1~0#1| (_ BitVec 8))) (let ((.cse11 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_17|) (_ bv1 32))))) (and (= |c_ULTIMATE.start_main_~state_25~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_138_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_123_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_109_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_91_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_86_arg_0~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse11)))) (_ bv1 32)))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_89_arg_1~0#1|))))))) (_ bv1 32)))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_99_arg_1~0#1|)))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_137_arg_1~0#1|)))))))))) (_ bv1 32)))) (not (= .cse11 (_ bv0 8)))))) (exists ((|ULTIMATE.start_main_~var_39_arg_1~0#1| (_ BitVec 16))) (= |c_ULTIMATE.start_main_~state_6~0#1| ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |ULTIMATE.start_main_~var_39_arg_1~0#1|))))) (_ bv1 32)))))) (and (exists ((|v_ULTIMATE.start_main_#t~nondet14#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_89_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_109_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_137_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_99_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_91_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_86_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_123_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_138_arg_1~0#1| (_ BitVec 8))) (let ((.cse12 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_17|) (_ bv1 32))))) (and (not (= .cse12 (_ bv0 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_123_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_91_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |ULTIMATE.start_main_~var_86_arg_0~0#1|)))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_89_arg_1~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse12)))) (_ bv1 32)))) (_ bv0 32))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_99_arg_1~0#1|)))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_109_arg_1~0#1|))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_137_arg_1~0#1|)))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_138_arg_1~0#1|))))))) (_ bv1 32))) |c_ULTIMATE.start_main_~state_25~0#1|)))) .cse13) (and (exists ((|v_ULTIMATE.start_main_#t~nondet14#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_89_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_109_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_137_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_99_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_91_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_86_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_123_arg_1~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet15#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_138_arg_1~0#1| (_ BitVec 8))) (let ((.cse15 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_17|) (_ bv1 32)))) (.cse14 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_17|) (_ bv1 32))))) (and (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_138_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_123_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_91_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_86_arg_0~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse14)))) (_ bv1 32)))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_89_arg_1~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse15)))) (_ bv1 32)))) (_ bv0 32))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_99_arg_1~0#1|)))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_109_arg_1~0#1|))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_137_arg_1~0#1|)))))))))) (_ bv1 32))) |c_ULTIMATE.start_main_~state_25~0#1|) (not (= .cse15 (_ bv0 8))) (not (= .cse14 (_ bv0 8)))))) .cse13))) (= |c_ULTIMATE.start_main_~var_32~0#1| (_ bv16 32)) (= |c_ULTIMATE.start_main_~var_28~0#1| (_ bv1 16)) (= (bvadd |c_ULTIMATE.start_main_~mask_SORT_4~0#1| (_ bv1 32)) (_ bv0 32)) (= |c_ULTIMATE.start_main_~msb_SORT_4~0#1| (_ bv2147483648 32)) (= (_ bv0 8) |c_ULTIMATE.start_main_~state_17~0#1|) (= (_ bv1 8) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|) .cse10 (or (forall ((|v_ULTIMATE.start_main_#t~nondet15#1_17| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_17|))) (_ bv0 8)))) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse23 .cse2))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_91_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet14#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_123_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_109_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_86_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_99_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_89_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_138_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_137_arg_1~0#1_15| (_ BitVec 8))) (let ((.cse16 ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_17|))))) (or (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_138_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse16))))))) .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_89_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_86_arg_0~0#1_15|) .cse18)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_91_arg_1~0#1_15|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_99_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_109_arg_1~0#1_16|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_137_arg_1~0#1_15|))))))))))))))))))) (_ bv1 32)))))) (_ bv0 8)) (= .cse16 (_ bv0 8))))) .cse19) (or (let ((.cse21 (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor .cse5 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_6~0#1|) .cse5)))))))))) .cse5))) (_ bv16 32)))) (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse20 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) .cse21))) (or (not (= (bvand (bvor .cse6 (bvashr (bvor .cse20 .cse8) |c_ULTIMATE.start_main_~var_32~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse20) (_ bv0 32))))) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_15| (_ BitVec 16))) (let ((.cse22 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_15|) .cse21))) (or (not (= (bvand (bvashr (bvand .cse22 |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_32~0#1|) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (not (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse22) (_ bv0 32)))))))) (forall ((|v_ULTIMATE.start_main_~var_91_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_123_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_109_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_86_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_99_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_89_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_138_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_137_arg_1~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_138_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_137_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_89_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_86_arg_0~0#1_15|) .cse18)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_91_arg_1~0#1_15|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_99_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_109_arg_1~0#1_16|)))))))))))))))) .cse0))))))))) (_ bv1 32)))))) (_ bv0 8))) .cse9)))) (or (forall ((|v_ULTIMATE.start_main_~var_91_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet14#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_123_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_109_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_86_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_99_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_89_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet15#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_138_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_137_arg_1~0#1_15| (_ BitVec 8))) (let ((.cse24 ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_17|)))) (.cse25 ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_17|))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_138_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse24))))))) .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_86_arg_0~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse25))))))) .cse2)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_89_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_91_arg_1~0#1_15|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_99_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_109_arg_1~0#1_16|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_137_arg_1~0#1_15|)))))))))) .cse0))))))))) (_ bv1 32))))))) (= .cse24 (_ bv0 8)) (= .cse25 (_ bv0 8))))) .cse19) (= |c_ULTIMATE.start_main_~state_23~0#1| (_ bv0 8)) (= |c_ULTIMATE.start_main_~var_27~0#1| (_ bv849 32)))))) is different from false [2023-11-21 21:05:51,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-21 21:05:52,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-21 21:05:52,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:05:52,570 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-21 21:05:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 21:05:52,571 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-21 21:05:52,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:05:52,572 INFO L225 Difference]: With dead ends: 14 [2023-11-21 21:05:52,572 INFO L226 Difference]: Without dead ends: 12 [2023-11-21 21:05:52,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=33, Invalid=65, Unknown=4, NotChecked=54, Total=156 [2023-11-21 21:05:52,573 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-21 21:05:52,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 1 Unknown, 19 Unchecked, 3.6s Time] [2023-11-21 21:05:52,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-21 21:05:52,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-21 21:05:52,584 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) [2023-11-21 21:05:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-21 21:05:52,585 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-21 21:05:52,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:05:52,585 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-21 21:05:52,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:05:52,585 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-21 21:05:52,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 21:05:52,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:05:52,586 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-11-21 21:05:52,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/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)] Forceful destruction successful, exit code 0 [2023-11-21 21:05:52,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 21:05:52,793 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:05:52,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:05:52,794 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-11-21 21:05:52,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 21:05:52,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106994176] [2023-11-21 21:05:52,795 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 21:05:52,796 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 [2023-11-21 21:05:52,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 21:05:52,797 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 21:05:52,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc84df-7afc-4014-b444-59806ba2fb7f/bin/uautomizer-verify-bycVGegfSx/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)] Waiting until timeout for monitored process [2023-11-21 21:05:53,319 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 21:05:53,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 21:05:53,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 149 conjunts are in the unsatisfiable core [2023-11-21 21:05:53,361 INFO L285 TraceCheckSpWp]: Computing forward predicates...