./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme --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 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:46:41,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:46:41,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 10:46:41,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:46:41,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:46:41,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:46:41,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:46:41,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:46:41,914 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:46:41,920 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:46:41,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:46:41,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:46:41,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:46:41,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:46:41,924 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:46:41,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:46:41,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:46:41,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:46:41,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:46:41,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:46:41,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:46:41,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:46:41,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:46:41,928 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:46:41,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:46:41,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:46:41,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:46:41,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:46:41,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:41,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:46:41,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:46:41,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:46:41,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:46:41,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:46:41,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:46:41,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:46:41,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:46:41,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:46:41,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:46:41,933 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_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 [2023-11-26 10:46:42,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:46:42,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:46:42,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:46:42,238 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:46:42,238 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:46:42,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2023-11-26 10:46:45,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:45,634 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:45,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2023-11-26 10:46:45,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/data/2e61d0de4/1a2a7f6cbbd44c3c8c4e9e539fb32629/FLAG91c1325bc [2023-11-26 10:46:45,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/data/2e61d0de4/1a2a7f6cbbd44c3c8c4e9e539fb32629 [2023-11-26 10:46:45,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:45,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:45,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:45,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:45,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:45,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:45" (1/1) ... [2023-11-26 10:46:45,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d90002a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:45, skipping insertion in model container [2023-11-26 10:46:45,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:45" (1/1) ... [2023-11-26 10:46:45,757 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:45,956 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_880f26e3-b4b9-487a-956e-fe0fac85bb0c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1249,1262] [2023-11-26 10:46:46,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:46,076 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:46,089 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_880f26e3-b4b9-487a-956e-fe0fac85bb0c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1249,1262] [2023-11-26 10:46:46,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:46,153 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:46,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46 WrapperNode [2023-11-26 10:46:46,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:46,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:46,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:46,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:46,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,275 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 464 [2023-11-26 10:46:46,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:46,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:46,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:46,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:46,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,298 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,344 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:46:46,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:46,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:46,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:46,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:46,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:46,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:46,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:46,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:46:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:46,684 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:46,687 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:47,541 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:47,588 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:47,589 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:46:47,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:47 BoogieIcfgContainer [2023-11-26 10:46:47,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:47,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:46:47,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:46:47,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:46:47,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:46:45" (1/3) ... [2023-11-26 10:46:47,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248a7fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:47, skipping insertion in model container [2023-11-26 10:46:47,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (2/3) ... [2023-11-26 10:46:47,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248a7fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:47, skipping insertion in model container [2023-11-26 10:46:47,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:47" (3/3) ... [2023-11-26 10:46:47,601 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2023-11-26 10:46:47,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:46:47,621 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:46:47,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:46:47,684 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;@729f139d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:46:47,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:46:47,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.6666666666666667) internal successors, (115), 70 states have internal predecessors, (115), 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) [2023-11-26 10:46:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 10:46:47,701 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:47,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:47,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:47,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:47,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1027011683, now seen corresponding path program 1 times [2023-11-26 10:46:47,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:47,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113304763] [2023-11-26 10:46:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:47,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:48,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:48,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113304763] [2023-11-26 10:46:48,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113304763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:48,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:48,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:46:48,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279201219] [2023-11-26 10:46:48,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:48,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:46:48,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:48,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:46:48,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:46:48,595 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.6666666666666667) internal successors, (115), 70 states have internal predecessors, (115), 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 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2023-11-26 10:46:48,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:48,665 INFO L93 Difference]: Finished difference Result 105 states and 171 transitions. [2023-11-26 10:46:48,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:46:48,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2023-11-26 10:46:48,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:48,678 INFO L225 Difference]: With dead ends: 105 [2023-11-26 10:46:48,678 INFO L226 Difference]: Without dead ends: 71 [2023-11-26 10:46:48,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:46:48,687 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:48,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 319 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:48,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-26 10:46:48,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-26 10:46:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.6142857142857143) internal successors, (113), 70 states have internal predecessors, (113), 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) [2023-11-26 10:46:48,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 113 transitions. [2023-11-26 10:46:48,736 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 113 transitions. Word has length 38 [2023-11-26 10:46:48,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:48,737 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 113 transitions. [2023-11-26 10:46:48,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2023-11-26 10:46:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2023-11-26 10:46:48,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-26 10:46:48,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:48,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:48,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:46:48,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:48,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:48,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1774316253, now seen corresponding path program 1 times [2023-11-26 10:46:48,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:48,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590045429] [2023-11-26 10:46:48,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:48,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:48,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:48,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590045429] [2023-11-26 10:46:48,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590045429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:48,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:48,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:46:48,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837581709] [2023-11-26 10:46:48,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:48,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:46:48,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:48,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:46:48,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:46:48,912 INFO L87 Difference]: Start difference. First operand 71 states and 113 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2023-11-26 10:46:48,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:48,974 INFO L93 Difference]: Finished difference Result 108 states and 169 transitions. [2023-11-26 10:46:48,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:46:48,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2023-11-26 10:46:48,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:48,978 INFO L225 Difference]: With dead ends: 108 [2023-11-26 10:46:48,978 INFO L226 Difference]: Without dead ends: 74 [2023-11-26 10:46:48,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:46:48,981 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:48,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:48,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-26 10:46:48,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2023-11-26 10:46:48,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5972222222222223) internal successors, (115), 72 states have internal predecessors, (115), 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) [2023-11-26 10:46:49,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 115 transitions. [2023-11-26 10:46:49,003 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 115 transitions. Word has length 39 [2023-11-26 10:46:49,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:49,005 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 115 transitions. [2023-11-26 10:46:49,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2023-11-26 10:46:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2023-11-26 10:46:49,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-26 10:46:49,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:49,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:49,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:46:49,009 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:49,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:49,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1041203267, now seen corresponding path program 1 times [2023-11-26 10:46:49,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:49,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382739598] [2023-11-26 10:46:49,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:49,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:49,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:49,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382739598] [2023-11-26 10:46:49,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382739598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:49,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:49,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:46:49,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298184778] [2023-11-26 10:46:49,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:49,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:46:49,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:49,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:46:49,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:46:49,383 INFO L87 Difference]: Start difference. First operand 73 states and 115 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2023-11-26 10:46:49,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:49,423 INFO L93 Difference]: Finished difference Result 117 states and 183 transitions. [2023-11-26 10:46:49,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:46:49,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2023-11-26 10:46:49,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:49,446 INFO L225 Difference]: With dead ends: 117 [2023-11-26 10:46:49,446 INFO L226 Difference]: Without dead ends: 81 [2023-11-26 10:46:49,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:46:49,448 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 171 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:49,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 193 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:49,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-26 10:46:49,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 71. [2023-11-26 10:46:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.5857142857142856) internal successors, (111), 70 states have internal predecessors, (111), 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) [2023-11-26 10:46:49,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2023-11-26 10:46:49,457 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 40 [2023-11-26 10:46:49,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:49,457 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2023-11-26 10:46:49,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2023-11-26 10:46:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2023-11-26 10:46:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-26 10:46:49,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:49,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:49,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:46:49,460 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:49,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:49,473 INFO L85 PathProgramCache]: Analyzing trace with hash 733804095, now seen corresponding path program 1 times [2023-11-26 10:46:49,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:49,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574162315] [2023-11-26 10:46:49,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:49,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:49,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:49,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:49,594 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:46:49,595 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:46:49,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:46:49,601 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 10:46:49,605 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:46:49,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-26 10:46:49,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 10:46:49,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-26 10:46:49,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-26 10:46:49,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-26 10:46:49,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-26 10:46:49,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-26 10:46:49,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-26 10:46:49,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 10:46:49,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-26 10:46:49,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-26 10:46:49,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-26 10:46:49,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-26 10:46:49,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-26 10:46:49,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-26 10:46:49,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-26 10:46:49,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-26 10:46:49,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-26 10:46:49,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-26 10:46:49,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-26 10:46:49,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-26 10:46:49,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-26 10:46:49,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-26 10:46:49,673 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-26 10:46:49,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-26 10:46:49,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-26 10:46:49,685 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated [2023-11-26 10:46:49,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated [2023-11-26 10:46:49,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated [2023-11-26 10:46:49,693 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 10:46:49,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:46:49 BoogieIcfgContainer [2023-11-26 10:46:49,710 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:46:49,711 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:46:49,711 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:46:49,711 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:46:49,712 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:47" (3/4) ... [2023-11-26 10:46:49,715 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:46:49,716 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:46:49,718 INFO L158 Benchmark]: Toolchain (without parser) took 4022.42ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 100.8MB in the beginning and 142.7MB in the end (delta: -41.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-26 10:46:49,718 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:49,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.26ms. Allocated memory is still 138.4MB. Free memory was 100.4MB in the beginning and 84.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 10:46:49,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.65ms. Allocated memory is still 138.4MB. Free memory was 84.0MB in the beginning and 75.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 10:46:49,721 INFO L158 Benchmark]: Boogie Preprocessor took 165.69ms. Allocated memory is still 138.4MB. Free memory was 75.2MB in the beginning and 69.4MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:46:49,722 INFO L158 Benchmark]: RCFGBuilder took 1147.35ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 69.4MB in the beginning and 127.5MB in the end (delta: -58.2MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-26 10:46:49,722 INFO L158 Benchmark]: TraceAbstraction took 2117.49ms. Allocated memory is still 186.6MB. Free memory was 126.5MB in the beginning and 142.7MB in the end (delta: -16.2MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2023-11-26 10:46:49,722 INFO L158 Benchmark]: Witness Printer took 5.46ms. Allocated memory is still 186.6MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:49,729 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.26ms. Allocated memory is still 138.4MB. Free memory was 100.4MB in the beginning and 84.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.65ms. Allocated memory is still 138.4MB. Free memory was 84.0MB in the beginning and 75.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.69ms. Allocated memory is still 138.4MB. Free memory was 75.2MB in the beginning and 69.4MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1147.35ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 69.4MB in the beginning and 127.5MB in the end (delta: -58.2MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2117.49ms. Allocated memory is still 186.6MB. Free memory was 126.5MB in the beginning and 142.7MB in the end (delta: -16.2MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. * Witness Printer took 5.46ms. Allocated memory is still 186.6MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 102. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_10 = 0; [L33] const SORT_5 var_18 = 1; [L34] const SORT_5 var_28 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_9; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, var_10=0, var_18=1, var_28=0] [L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, var_10=0, var_18=1, var_28=0] [L45] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, var_10=0, var_18=1, var_28=0] [L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, var_10=0, var_18=1, var_28=0] [L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, var_10=0, var_18=1, var_28=0] [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, var_10=0, var_18=1, var_28=0] [L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, var_10=0, var_18=1, var_28=0] [L50] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, var_10=0, var_18=1, var_28=0] [L51] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, var_10=0, var_18=1, var_28=0] [L52] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, var_10=0, var_18=1, var_28=0] [L53] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, var_10=0, var_18=1, var_28=0] [L54] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, var_10=0, var_18=1, var_28=0] [L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_12_arg_1 = var_10; [L58] state_11 = init_12_arg_1 [L59] SORT_1 init_14_arg_1 = var_10; [L60] state_13 = init_14_arg_1 [L61] SORT_1 init_23_arg_1 = var_10; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_10; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_10; [L66] state_26 = init_27_arg_1 [L67] SORT_5 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L69] SORT_5 init_32_arg_1 = var_28; [L70] state_31 = init_32_arg_1 [L71] SORT_1 init_34_arg_1 = var_10; [L72] state_33 = init_34_arg_1 [L73] SORT_5 init_36_arg_1 = var_28; [L74] state_35 = init_36_arg_1 [L75] SORT_1 init_38_arg_1 = var_10; [L76] state_37 = init_38_arg_1 [L77] SORT_1 init_41_arg_1 = var_10; [L78] state_40 = init_41_arg_1 [L79] SORT_1 init_43_arg_1 = var_10; [L80] state_42 = init_43_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] EXPR input_7 & mask_SORT_5 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] EXPR input_8 & mask_SORT_5 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] EXPR input_9 & mask_SORT_5 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20_arg_0=1, var_20_arg_1=254, var_28=0] [L102] EXPR var_20_arg_0 & var_20_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20_arg_0=1, var_20_arg_1=254, var_28=0] [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] EXPR var_20 & mask_SORT_5 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20=1, var_20_arg_0=1, var_20_arg_1=254, var_28=0] [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_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, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 829 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 495 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 334 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2023-11-26 10:46:49,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme --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 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:46:52,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:46:52,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-26 10:46:52,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:46:52,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:46:52,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:46:52,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:46:52,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:46:52,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:46:52,544 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:46:52,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:46:52,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:46:52,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:46:52,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:46:52,548 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:46:52,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:46:52,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:46:52,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:46:52,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:46:52,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:46:52,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:46:52,552 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:46:52,552 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:46:52,552 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:46:52,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:46:52,553 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:46:52,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:46:52,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:46:52,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:46:52,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:46:52,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:52,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:46:52,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:46:52,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:46:52,558 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:46:52,558 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:46:52,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:46:52,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:46:52,559 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:46:52,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:46:52,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:46:52,560 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:46:52,560 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_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 [2023-11-26 10:46:52,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:46:52,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:46:52,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:46:52,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:46:52,972 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:46:52,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2023-11-26 10:46:56,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:56,315 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:56,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2023-11-26 10:46:56,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/data/622d3d0e6/c5287024ce594f4a9aa1bd30febde7ea/FLAGbad6174dc [2023-11-26 10:46:56,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/data/622d3d0e6/c5287024ce594f4a9aa1bd30febde7ea [2023-11-26 10:46:56,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:56,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:56,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:56,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:56,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:56,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:56,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb87fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56, skipping insertion in model container [2023-11-26 10:46:56,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:56,423 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:56,611 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_880f26e3-b4b9-487a-956e-fe0fac85bb0c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1249,1262] [2023-11-26 10:46:56,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:56,737 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:56,752 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_880f26e3-b4b9-487a-956e-fe0fac85bb0c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1249,1262] [2023-11-26 10:46:56,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:56,868 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:56,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56 WrapperNode [2023-11-26 10:46:56,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:56,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:56,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:56,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:56,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:56,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:56,957 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 254 [2023-11-26 10:46:56,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:56,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:56,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:56,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:56,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:56,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:56,985 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:57,007 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:46:57,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:57,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:57,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:57,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:57,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:57,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:57,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:57,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:57,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:57,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:57,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (1/1) ... [2023-11-26 10:46:57,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:57,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:57,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:57,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:46:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:57,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:57,259 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:57,262 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:57,620 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:57,692 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:57,693 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:46:57,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:57 BoogieIcfgContainer [2023-11-26 10:46:57,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:57,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:46:57,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:46:57,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:46:57,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:46:56" (1/3) ... [2023-11-26 10:46:57,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47971950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:57, skipping insertion in model container [2023-11-26 10:46:57,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:56" (2/3) ... [2023-11-26 10:46:57,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47971950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:57, skipping insertion in model container [2023-11-26 10:46:57,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:57" (3/3) ... [2023-11-26 10:46:57,703 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2023-11-26 10:46:57,723 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:46:57,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:46:57,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:46:57,780 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;@1238ec0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:46:57,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:46:57,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:46:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-26 10:46:57,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:57,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-26 10:46:57,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:57,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:57,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-26 10:46:57,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:46:57,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580247307] [2023-11-26 10:46:57,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:57,813 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 [2023-11-26 10:46:57,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:46:57,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:46:57,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:46:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:58,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-26 10:46:58,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:58,310 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:46:58,310 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:46:58,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580247307] [2023-11-26 10:46:58,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580247307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:58,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:58,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:46:58,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445881593] [2023-11-26 10:46:58,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:58,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:46:58,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:46:58,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:46:58,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:46:58,363 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:46:58,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:58,441 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-26 10:46:58,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:46:58,444 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 [2023-11-26 10:46:58,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:58,452 INFO L225 Difference]: With dead ends: 16 [2023-11-26 10:46:58,452 INFO L226 Difference]: Without dead ends: 9 [2023-11-26 10:46:58,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:46:58,459 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:58,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:58,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-26 10:46:58,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-26 10:46:58,493 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) [2023-11-26 10:46:58,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-26 10:46:58,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-26 10:46:58,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:58,497 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-26 10:46:58,497 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) [2023-11-26 10:46:58,497 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-26 10:46:58,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-26 10:46:58,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:58,498 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-26 10:46:58,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:58,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:46:58,701 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:58,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:58,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-26 10:46:58,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:46:58,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647755314] [2023-11-26 10:46:58,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:58,704 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 [2023-11-26 10:46:58,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:46:58,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:46:58,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:46:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:58,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-26 10:46:58,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:59,679 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:47:00,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:00,885 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:00,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647755314] [2023-11-26 10:47:00,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647755314] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:47:00,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:47:00,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-26 10:47:00,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135399565] [2023-11-26 10:47:00,886 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:47:00,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-26 10:47:00,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:00,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-26 10:47:00,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:47:00,889 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) [2023-11-26 10:47:01,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:01,096 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-26 10:47:01,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:47:01,098 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 [2023-11-26 10:47:01,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:01,099 INFO L225 Difference]: With dead ends: 14 [2023-11-26 10:47:01,099 INFO L226 Difference]: Without dead ends: 12 [2023-11-26 10:47:01,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-26 10:47:01,101 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:01,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 16 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:01,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-26 10:47:01,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-26 10:47:01,105 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) [2023-11-26 10:47:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-26 10:47:01,106 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-26 10:47:01,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:01,106 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-26 10:47:01,107 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) [2023-11-26 10:47:01,108 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-26 10:47:01,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-26 10:47:01,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:01,109 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-11-26 10:47:01,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:47:01,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:47:01,313 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:01,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:01,315 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-11-26 10:47:01,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:01,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360150614] [2023-11-26 10:47:01,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:47:01,319 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 [2023-11-26 10:47:01,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:01,321 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:47:01,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:47:01,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 10:47:01,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:47:01,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-26 10:47:01,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:02,413 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:47:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:08,024 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:08,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360150614] [2023-11-26 10:47:08,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360150614] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:47:08,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:47:08,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-26 10:47:08,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869813432] [2023-11-26 10:47:08,031 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:47:08,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-26 10:47:08,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:08,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-26 10:47:08,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:47:08,040 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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) [2023-11-26 10:47:08,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:08,354 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2023-11-26 10:47:08,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 10:47:08,356 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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 10 [2023-11-26 10:47:08,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:08,356 INFO L225 Difference]: With dead ends: 17 [2023-11-26 10:47:08,357 INFO L226 Difference]: Without dead ends: 15 [2023-11-26 10:47:08,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-26 10:47:08,359 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 18 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:08,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 12 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:08,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-26 10:47:08,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-26 10:47:08,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 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) [2023-11-26 10:47:08,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-26 10:47:08,364 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2023-11-26 10:47:08,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:08,365 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-26 10:47:08,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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) [2023-11-26 10:47:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-11-26 10:47:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-26 10:47:08,366 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:08,366 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2023-11-26 10:47:08,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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)] Ended with exit code 0 [2023-11-26 10:47:08,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:47:08,570 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:08,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:08,571 INFO L85 PathProgramCache]: Analyzing trace with hash -57678563, now seen corresponding path program 3 times [2023-11-26 10:47:08,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:08,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222007213] [2023-11-26 10:47:08,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 10:47:08,572 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 [2023-11-26 10:47:08,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:08,574 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:47:08,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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 (5)] Waiting until timeout for monitored process [2023-11-26 10:47:08,978 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-26 10:47:08,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-26 10:47:08,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:47:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:09,340 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-26 10:47:09,340 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:47:09,342 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:47:09,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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 (5)] Ended with exit code 0 [2023-11-26 10:47:09,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:47:09,555 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-26 10:47:09,558 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:47:09,627 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 10:47:09,628 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 10:47:09,628 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 10:47:09,628 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 10:47:09,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:47:09 BoogieIcfgContainer [2023-11-26 10:47:09,667 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:47:09,668 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:47:09,668 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:47:09,668 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:47:09,669 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:57" (3/4) ... [2023-11-26 10:47:09,670 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-26 10:47:09,696 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 10:47:09,697 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 10:47:09,697 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 10:47:09,697 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 10:47:09,820 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:47:09,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:47:09,821 INFO L158 Benchmark]: Toolchain (without parser) took 13463.32ms. Allocated memory was 127.9MB in the beginning and 253.8MB in the end (delta: 125.8MB). Free memory was 103.4MB in the beginning and 106.1MB in the end (delta: -2.7MB). Peak memory consumption was 125.5MB. Max. memory is 16.1GB. [2023-11-26 10:47:09,821 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:47:09,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.97ms. Allocated memory is still 127.9MB. Free memory was 103.4MB in the beginning and 87.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 10:47:09,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.33ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 84.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:47:09,822 INFO L158 Benchmark]: Boogie Preprocessor took 97.90ms. Allocated memory is still 127.9MB. Free memory was 84.7MB in the beginning and 81.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:47:09,823 INFO L158 Benchmark]: RCFGBuilder took 636.34ms. Allocated memory is still 127.9MB. Free memory was 81.3MB in the beginning and 96.5MB in the end (delta: -15.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-26 10:47:09,823 INFO L158 Benchmark]: TraceAbstraction took 11971.66ms. Allocated memory was 127.9MB in the beginning and 253.8MB in the end (delta: 125.8MB). Free memory was 95.7MB in the beginning and 117.7MB in the end (delta: -22.0MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. [2023-11-26 10:47:09,824 INFO L158 Benchmark]: Witness Printer took 152.41ms. Allocated memory is still 253.8MB. Free memory was 117.7MB in the beginning and 106.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:47:09,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.97ms. Allocated memory is still 127.9MB. Free memory was 103.4MB in the beginning and 87.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.33ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 84.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.90ms. Allocated memory is still 127.9MB. Free memory was 84.7MB in the beginning and 81.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 636.34ms. Allocated memory is still 127.9MB. Free memory was 81.3MB in the beginning and 96.5MB in the end (delta: -15.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 11971.66ms. Allocated memory was 127.9MB in the beginning and 253.8MB in the end (delta: 125.8MB). Free memory was 95.7MB in the beginning and 117.7MB in the end (delta: -22.0MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. * Witness Printer took 152.41ms. Allocated memory is still 253.8MB. Free memory was 117.7MB in the beginning and 106.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. 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 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_10 = 0; [L33] const SORT_5 var_18 = 1; [L34] const SORT_5 var_28 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_9; [L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_12_arg_1 = var_10; [L58] state_11 = init_12_arg_1 [L59] SORT_1 init_14_arg_1 = var_10; [L60] state_13 = init_14_arg_1 [L61] SORT_1 init_23_arg_1 = var_10; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_10; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_10; [L66] state_26 = init_27_arg_1 [L67] SORT_5 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L69] SORT_5 init_32_arg_1 = var_28; [L70] state_31 = init_32_arg_1 [L71] SORT_1 init_34_arg_1 = var_10; [L72] state_33 = init_34_arg_1 [L73] SORT_5 init_36_arg_1 = var_28; [L74] state_35 = init_36_arg_1 [L75] SORT_1 init_38_arg_1 = var_10; [L76] state_37 = init_38_arg_1 [L77] SORT_1 init_41_arg_1 = var_10; [L78] state_40 = init_41_arg_1 [L79] SORT_1 init_43_arg_1 = var_10; [L80] state_42 = init_43_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L105] RET __VERIFIER_assert(!(bad_21_arg_0)) [L107] SORT_5 var_52_arg_0 = input_9; [L108] SORT_5 var_52_arg_1 = var_18; [L109] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L110] SORT_5 var_53_arg_0 = var_52; [L111] SORT_1 var_53_arg_1 = var_10; [L112] SORT_1 var_53_arg_2 = state_42; [L113] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L114] var_53 = var_53 & mask_SORT_1 [L115] SORT_1 next_54_arg_1 = var_53; [L116] SORT_5 var_58_arg_0 = input_9; [L117] SORT_5 var_58_arg_1 = var_18; [L118] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L119] SORT_1 var_56_arg_0 = state_37; [L120] SORT_1 var_56_arg_1 = state_33; [L121] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L122] SORT_1 var_55_arg_0 = state_37; [L123] SORT_1 var_55_arg_1 = state_33; [L124] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L125] SORT_5 var_57_arg_0 = state_35; [L126] SORT_1 var_57_arg_1 = var_56; [L127] SORT_1 var_57_arg_2 = var_55; [L128] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L129] SORT_5 var_59_arg_0 = var_58; [L130] SORT_1 var_59_arg_1 = var_10; [L131] SORT_1 var_59_arg_2 = var_57; [L132] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L133] var_59 = var_59 & mask_SORT_1 [L134] SORT_1 next_60_arg_1 = var_59; [L135] SORT_5 var_61_arg_0 = var_58; [L136] SORT_1 var_61_arg_1 = var_10; [L137] SORT_1 var_61_arg_2 = input_2; [L138] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L139] SORT_1 next_62_arg_1 = var_61; [L140] SORT_5 var_63_arg_0 = var_58; [L141] SORT_1 var_63_arg_1 = var_10; [L142] SORT_1 var_63_arg_2 = input_3; [L143] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L144] SORT_1 next_64_arg_1 = var_63; [L145] SORT_5 var_65_arg_0 = var_58; [L146] SORT_1 var_65_arg_1 = var_10; [L147] SORT_1 var_65_arg_2 = input_4; [L148] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L149] SORT_1 next_66_arg_1 = var_65; [L150] SORT_5 var_67_arg_0 = var_58; [L151] SORT_5 var_67_arg_1 = var_28; [L152] SORT_5 var_67_arg_2 = input_7; [L153] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L154] SORT_5 next_68_arg_1 = var_67; [L155] SORT_5 var_69_arg_0 = var_58; [L156] SORT_5 var_69_arg_1 = var_28; [L157] SORT_5 var_69_arg_2 = input_8; [L158] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L159] SORT_5 next_70_arg_1 = var_69; [L160] SORT_5 var_71_arg_0 = var_58; [L161] SORT_1 var_71_arg_1 = var_10; [L162] SORT_1 var_71_arg_2 = state_26; [L163] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L164] SORT_1 next_72_arg_1 = var_71; [L165] SORT_5 var_73_arg_0 = var_58; [L166] SORT_5 var_73_arg_1 = var_28; [L167] SORT_5 var_73_arg_2 = state_31; [L168] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L169] var_73 = var_73 & mask_SORT_5 [L170] SORT_5 next_74_arg_1 = var_73; [L171] SORT_5 var_77_arg_0 = state_29; [L172] SORT_5 var_77 = ~var_77_arg_0; [L173] var_77 = var_77 & mask_SORT_5 [L174] SORT_1 var_76_arg_0 = state_22; [L175] SORT_1 var_76_arg_1 = state_24; [L176] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L177] SORT_1 var_75_arg_0 = state_22; [L178] SORT_1 var_75_arg_1 = state_24; [L179] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L180] SORT_5 var_78_arg_0 = var_77; [L181] SORT_1 var_78_arg_1 = var_76; [L182] SORT_1 var_78_arg_2 = var_75; [L183] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L184] SORT_5 var_79_arg_0 = var_58; [L185] SORT_1 var_79_arg_1 = var_10; [L186] SORT_1 var_79_arg_2 = var_78; [L187] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L188] SORT_1 next_80_arg_1 = var_79; [L189] SORT_1 var_45_arg_0 = input_2; [L190] SORT_1 var_45_arg_1 = input_3; [L191] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L192] SORT_1 var_44_arg_0 = input_2; [L193] SORT_1 var_44_arg_1 = input_3; [L194] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L195] SORT_5 var_46_arg_0 = input_7; [L196] SORT_1 var_46_arg_1 = var_45; [L197] SORT_1 var_46_arg_2 = var_44; [L198] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L199] SORT_1 var_48_arg_0 = var_46; [L200] SORT_1 var_48_arg_1 = input_4; [L201] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L202] SORT_1 var_47_arg_0 = var_46; [L203] SORT_1 var_47_arg_1 = input_4; [L204] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L205] SORT_5 var_49_arg_0 = input_8; [L206] SORT_1 var_49_arg_1 = var_48; [L207] SORT_1 var_49_arg_2 = var_47; [L208] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L209] SORT_5 var_81_arg_0 = var_52; [L210] SORT_1 var_81_arg_1 = var_10; [L211] SORT_1 var_81_arg_2 = var_49; [L212] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L213] SORT_1 next_82_arg_1 = var_81; [L214] SORT_5 var_83_arg_0 = var_52; [L215] SORT_1 var_83_arg_1 = var_10; [L216] SORT_1 var_83_arg_2 = state_40; [L217] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L218] SORT_1 next_84_arg_1 = var_83; [L220] state_11 = next_54_arg_1 [L221] state_13 = next_60_arg_1 [L222] state_22 = next_62_arg_1 [L223] state_24 = next_64_arg_1 [L224] state_26 = next_66_arg_1 [L225] state_29 = next_68_arg_1 [L226] state_31 = next_70_arg_1 [L227] state_33 = next_72_arg_1 [L228] state_35 = next_74_arg_1 [L229] state_37 = next_80_arg_1 [L230] state_40 = next_82_arg_1 [L231] state_42 = next_84_arg_1 VAL [bad_21_arg_0=0, init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_2=64, input_3=192, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=0, next_60_arg_1=0, next_62_arg_1=64, next_64_arg_1=192, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=0, next_72_arg_1=0, next_74_arg_1=0, next_80_arg_1=0, next_82_arg_1=128, next_84_arg_1=0, state_11=0, state_13=0, state_22=64, state_24=192, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=128, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20=0, var_20_arg_0=1, var_20_arg_1=254, var_28=0, var_44=128, var_44_arg_0=64, var_44_arg_1=192, var_45=0, var_45_arg_0=64, var_45_arg_1=192, var_46=128, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=128, var_47=128, var_47_arg_0=128, var_47_arg_1=0, var_48=128, var_48_arg_0=128, var_48_arg_1=0, var_49=128, var_49_arg_0=0, var_49_arg_1=128, var_49_arg_2=128, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=64, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=64, var_63=192, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=192, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_76=0, var_76_arg_0=0, var_76_arg_1=0, var_77=1, var_77_arg_0=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=128, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=128, var_83=0, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L105] RET __VERIFIER_assert(!(bad_21_arg_0)) [L107] SORT_5 var_52_arg_0 = input_9; [L108] SORT_5 var_52_arg_1 = var_18; [L109] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L110] SORT_5 var_53_arg_0 = var_52; [L111] SORT_1 var_53_arg_1 = var_10; [L112] SORT_1 var_53_arg_2 = state_42; [L113] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L114] var_53 = var_53 & mask_SORT_1 [L115] SORT_1 next_54_arg_1 = var_53; [L116] SORT_5 var_58_arg_0 = input_9; [L117] SORT_5 var_58_arg_1 = var_18; [L118] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L119] SORT_1 var_56_arg_0 = state_37; [L120] SORT_1 var_56_arg_1 = state_33; [L121] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L122] SORT_1 var_55_arg_0 = state_37; [L123] SORT_1 var_55_arg_1 = state_33; [L124] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L125] SORT_5 var_57_arg_0 = state_35; [L126] SORT_1 var_57_arg_1 = var_56; [L127] SORT_1 var_57_arg_2 = var_55; [L128] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L129] SORT_5 var_59_arg_0 = var_58; [L130] SORT_1 var_59_arg_1 = var_10; [L131] SORT_1 var_59_arg_2 = var_57; [L132] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L133] var_59 = var_59 & mask_SORT_1 [L134] SORT_1 next_60_arg_1 = var_59; [L135] SORT_5 var_61_arg_0 = var_58; [L136] SORT_1 var_61_arg_1 = var_10; [L137] SORT_1 var_61_arg_2 = input_2; [L138] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L139] SORT_1 next_62_arg_1 = var_61; [L140] SORT_5 var_63_arg_0 = var_58; [L141] SORT_1 var_63_arg_1 = var_10; [L142] SORT_1 var_63_arg_2 = input_3; [L143] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L144] SORT_1 next_64_arg_1 = var_63; [L145] SORT_5 var_65_arg_0 = var_58; [L146] SORT_1 var_65_arg_1 = var_10; [L147] SORT_1 var_65_arg_2 = input_4; [L148] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L149] SORT_1 next_66_arg_1 = var_65; [L150] SORT_5 var_67_arg_0 = var_58; [L151] SORT_5 var_67_arg_1 = var_28; [L152] SORT_5 var_67_arg_2 = input_7; [L153] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L154] SORT_5 next_68_arg_1 = var_67; [L155] SORT_5 var_69_arg_0 = var_58; [L156] SORT_5 var_69_arg_1 = var_28; [L157] SORT_5 var_69_arg_2 = input_8; [L158] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L159] SORT_5 next_70_arg_1 = var_69; [L160] SORT_5 var_71_arg_0 = var_58; [L161] SORT_1 var_71_arg_1 = var_10; [L162] SORT_1 var_71_arg_2 = state_26; [L163] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L164] SORT_1 next_72_arg_1 = var_71; [L165] SORT_5 var_73_arg_0 = var_58; [L166] SORT_5 var_73_arg_1 = var_28; [L167] SORT_5 var_73_arg_2 = state_31; [L168] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L169] var_73 = var_73 & mask_SORT_5 [L170] SORT_5 next_74_arg_1 = var_73; [L171] SORT_5 var_77_arg_0 = state_29; [L172] SORT_5 var_77 = ~var_77_arg_0; [L173] var_77 = var_77 & mask_SORT_5 [L174] SORT_1 var_76_arg_0 = state_22; [L175] SORT_1 var_76_arg_1 = state_24; [L176] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L177] SORT_1 var_75_arg_0 = state_22; [L178] SORT_1 var_75_arg_1 = state_24; [L179] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L180] SORT_5 var_78_arg_0 = var_77; [L181] SORT_1 var_78_arg_1 = var_76; [L182] SORT_1 var_78_arg_2 = var_75; [L183] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L184] SORT_5 var_79_arg_0 = var_58; [L185] SORT_1 var_79_arg_1 = var_10; [L186] SORT_1 var_79_arg_2 = var_78; [L187] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L188] SORT_1 next_80_arg_1 = var_79; [L189] SORT_1 var_45_arg_0 = input_2; [L190] SORT_1 var_45_arg_1 = input_3; [L191] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L192] SORT_1 var_44_arg_0 = input_2; [L193] SORT_1 var_44_arg_1 = input_3; [L194] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L195] SORT_5 var_46_arg_0 = input_7; [L196] SORT_1 var_46_arg_1 = var_45; [L197] SORT_1 var_46_arg_2 = var_44; [L198] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L199] SORT_1 var_48_arg_0 = var_46; [L200] SORT_1 var_48_arg_1 = input_4; [L201] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L202] SORT_1 var_47_arg_0 = var_46; [L203] SORT_1 var_47_arg_1 = input_4; [L204] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L205] SORT_5 var_49_arg_0 = input_8; [L206] SORT_1 var_49_arg_1 = var_48; [L207] SORT_1 var_49_arg_2 = var_47; [L208] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L209] SORT_5 var_81_arg_0 = var_52; [L210] SORT_1 var_81_arg_1 = var_10; [L211] SORT_1 var_81_arg_2 = var_49; [L212] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L213] SORT_1 next_82_arg_1 = var_81; [L214] SORT_5 var_83_arg_0 = var_52; [L215] SORT_1 var_83_arg_1 = var_10; [L216] SORT_1 var_83_arg_2 = state_40; [L217] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L218] SORT_1 next_84_arg_1 = var_83; [L220] state_11 = next_54_arg_1 [L221] state_13 = next_60_arg_1 [L222] state_22 = next_62_arg_1 [L223] state_24 = next_64_arg_1 [L224] state_26 = next_66_arg_1 [L225] state_29 = next_68_arg_1 [L226] state_31 = next_70_arg_1 [L227] state_33 = next_72_arg_1 [L228] state_35 = next_74_arg_1 [L229] state_37 = next_80_arg_1 [L230] state_40 = next_82_arg_1 [L231] state_42 = next_84_arg_1 VAL [bad_21_arg_0=0, init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_2=0, input_3=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=0, next_60_arg_1=0, next_62_arg_1=0, next_64_arg_1=0, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=0, next_72_arg_1=0, next_74_arg_1=0, next_80_arg_1=0, next_82_arg_1=0, next_84_arg_1=128, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=128, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20=0, var_20_arg_0=1, var_20_arg_1=254, var_28=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=0, var_75=128, var_75_arg_0=64, var_75_arg_1=192, var_76=0, var_76_arg_0=64, var_76_arg_1=192, var_77=1, var_77_arg_0=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_arg_2=128, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=0, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=0, var_83=128, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=128] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L105] RET __VERIFIER_assert(!(bad_21_arg_0)) [L107] SORT_5 var_52_arg_0 = input_9; [L108] SORT_5 var_52_arg_1 = var_18; [L109] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L110] SORT_5 var_53_arg_0 = var_52; [L111] SORT_1 var_53_arg_1 = var_10; [L112] SORT_1 var_53_arg_2 = state_42; [L113] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L114] var_53 = var_53 & mask_SORT_1 [L115] SORT_1 next_54_arg_1 = var_53; [L116] SORT_5 var_58_arg_0 = input_9; [L117] SORT_5 var_58_arg_1 = var_18; [L118] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L119] SORT_1 var_56_arg_0 = state_37; [L120] SORT_1 var_56_arg_1 = state_33; [L121] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L122] SORT_1 var_55_arg_0 = state_37; [L123] SORT_1 var_55_arg_1 = state_33; [L124] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L125] SORT_5 var_57_arg_0 = state_35; [L126] SORT_1 var_57_arg_1 = var_56; [L127] SORT_1 var_57_arg_2 = var_55; [L128] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L129] SORT_5 var_59_arg_0 = var_58; [L130] SORT_1 var_59_arg_1 = var_10; [L131] SORT_1 var_59_arg_2 = var_57; [L132] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L133] var_59 = var_59 & mask_SORT_1 [L134] SORT_1 next_60_arg_1 = var_59; [L135] SORT_5 var_61_arg_0 = var_58; [L136] SORT_1 var_61_arg_1 = var_10; [L137] SORT_1 var_61_arg_2 = input_2; [L138] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L139] SORT_1 next_62_arg_1 = var_61; [L140] SORT_5 var_63_arg_0 = var_58; [L141] SORT_1 var_63_arg_1 = var_10; [L142] SORT_1 var_63_arg_2 = input_3; [L143] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L144] SORT_1 next_64_arg_1 = var_63; [L145] SORT_5 var_65_arg_0 = var_58; [L146] SORT_1 var_65_arg_1 = var_10; [L147] SORT_1 var_65_arg_2 = input_4; [L148] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L149] SORT_1 next_66_arg_1 = var_65; [L150] SORT_5 var_67_arg_0 = var_58; [L151] SORT_5 var_67_arg_1 = var_28; [L152] SORT_5 var_67_arg_2 = input_7; [L153] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L154] SORT_5 next_68_arg_1 = var_67; [L155] SORT_5 var_69_arg_0 = var_58; [L156] SORT_5 var_69_arg_1 = var_28; [L157] SORT_5 var_69_arg_2 = input_8; [L158] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L159] SORT_5 next_70_arg_1 = var_69; [L160] SORT_5 var_71_arg_0 = var_58; [L161] SORT_1 var_71_arg_1 = var_10; [L162] SORT_1 var_71_arg_2 = state_26; [L163] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L164] SORT_1 next_72_arg_1 = var_71; [L165] SORT_5 var_73_arg_0 = var_58; [L166] SORT_5 var_73_arg_1 = var_28; [L167] SORT_5 var_73_arg_2 = state_31; [L168] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L169] var_73 = var_73 & mask_SORT_5 [L170] SORT_5 next_74_arg_1 = var_73; [L171] SORT_5 var_77_arg_0 = state_29; [L172] SORT_5 var_77 = ~var_77_arg_0; [L173] var_77 = var_77 & mask_SORT_5 [L174] SORT_1 var_76_arg_0 = state_22; [L175] SORT_1 var_76_arg_1 = state_24; [L176] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L177] SORT_1 var_75_arg_0 = state_22; [L178] SORT_1 var_75_arg_1 = state_24; [L179] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L180] SORT_5 var_78_arg_0 = var_77; [L181] SORT_1 var_78_arg_1 = var_76; [L182] SORT_1 var_78_arg_2 = var_75; [L183] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L184] SORT_5 var_79_arg_0 = var_58; [L185] SORT_1 var_79_arg_1 = var_10; [L186] SORT_1 var_79_arg_2 = var_78; [L187] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L188] SORT_1 next_80_arg_1 = var_79; [L189] SORT_1 var_45_arg_0 = input_2; [L190] SORT_1 var_45_arg_1 = input_3; [L191] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L192] SORT_1 var_44_arg_0 = input_2; [L193] SORT_1 var_44_arg_1 = input_3; [L194] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L195] SORT_5 var_46_arg_0 = input_7; [L196] SORT_1 var_46_arg_1 = var_45; [L197] SORT_1 var_46_arg_2 = var_44; [L198] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L199] SORT_1 var_48_arg_0 = var_46; [L200] SORT_1 var_48_arg_1 = input_4; [L201] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L202] SORT_1 var_47_arg_0 = var_46; [L203] SORT_1 var_47_arg_1 = input_4; [L204] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L205] SORT_5 var_49_arg_0 = input_8; [L206] SORT_1 var_49_arg_1 = var_48; [L207] SORT_1 var_49_arg_2 = var_47; [L208] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L209] SORT_5 var_81_arg_0 = var_52; [L210] SORT_1 var_81_arg_1 = var_10; [L211] SORT_1 var_81_arg_2 = var_49; [L212] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L213] SORT_1 next_82_arg_1 = var_81; [L214] SORT_5 var_83_arg_0 = var_52; [L215] SORT_1 var_83_arg_1 = var_10; [L216] SORT_1 var_83_arg_2 = state_40; [L217] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L218] SORT_1 next_84_arg_1 = var_83; [L220] state_11 = next_54_arg_1 [L221] state_13 = next_60_arg_1 [L222] state_22 = next_62_arg_1 [L223] state_24 = next_64_arg_1 [L224] state_26 = next_66_arg_1 [L225] state_29 = next_68_arg_1 [L226] state_31 = next_70_arg_1 [L227] state_33 = next_72_arg_1 [L228] state_35 = next_74_arg_1 [L229] state_37 = next_80_arg_1 [L230] state_40 = next_82_arg_1 [L231] state_42 = next_84_arg_1 VAL [bad_21_arg_0=0, init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_2=0, input_3=0, input_4=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=128, next_60_arg_1=0, next_62_arg_1=0, next_64_arg_1=0, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=0, next_72_arg_1=0, next_74_arg_1=0, next_80_arg_1=0, next_82_arg_1=0, next_84_arg_1=0, state_11=128, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20=0, var_20_arg_0=1, var_20_arg_1=254, var_28=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=128, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=128, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_76=0, var_76_arg_0=0, var_76_arg_1=0, var_77=1, var_77_arg_0=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=0, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=0, var_83=0, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.8s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 6 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=3, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 33 ConstructedInterpolants, 13 QuantifiedInterpolants, 8392 SizeOfPredicates, 129 NumberOfNonLiveVariables, 582 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 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 proved your program to be incorrect! [2023-11-26 10:47:09,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_880f26e3-b4b9-487a-956e-fe0fac85bb0c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE