./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.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_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya --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 d58fddfa4cf482321dbdf1232482f8f34318cf991749c3b32b04a6dcba45ac13 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:03:21,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:03:21,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 06:03:21,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:03:21,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:03:21,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:03:21,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:03:21,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:03:21,361 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:03:21,362 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:03:21,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:03:21,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:03:21,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:03:21,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:03:21,364 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:03:21,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:03:21,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:03:21,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:03:21,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:03:21,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:03:21,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:03:21,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:03:21,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:03:21,371 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:03:21,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:03:21,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:03:21,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:03:21,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:03:21,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:03:21,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:03:21,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:03:21,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:03:21,375 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:03:21,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:03:21,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:03:21,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:03:21,376 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:03:21,376 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:03:21,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:03:21,376 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_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58fddfa4cf482321dbdf1232482f8f34318cf991749c3b32b04a6dcba45ac13 [2023-11-29 06:03:21,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:03:21,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:03:21,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:03:21,620 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:03:21,620 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:03:21,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c [2023-11-29 06:03:24,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:03:24,589 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:03:24,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c [2023-11-29 06:03:24,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/data/82451d958/97ebef58358e4f8fab5b8fa96057648e/FLAGce851c152 [2023-11-29 06:03:24,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/data/82451d958/97ebef58358e4f8fab5b8fa96057648e [2023-11-29 06:03:24,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:03:24,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:03:24,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:03:24,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:03:24,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:03:24,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:24,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bce307c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24, skipping insertion in model container [2023-11-29 06:03:24,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:24,654 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:03:24,776 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_3a8bd968-3adf-417e-af1b-86c3c299a8df/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c[1259,1272] [2023-11-29 06:03:24,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:03:24,865 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:03:24,877 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_3a8bd968-3adf-417e-af1b-86c3c299a8df/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c[1259,1272] [2023-11-29 06:03:24,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:03:24,949 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:03:24,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24 WrapperNode [2023-11-29 06:03:24,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:03:24,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:03:24,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:03:24,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:03:24,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:24,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:25,036 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 484 [2023-11-29 06:03:25,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:03:25,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:03:25,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:03:25,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:03:25,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:25,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:25,062 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:25,091 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]. [2023-11-29 06:03:25,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:25,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:25,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:25,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:25,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:25,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:25,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:03:25,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:03:25,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:03:25,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:03:25,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (1/1) ... [2023-11-29 06:03:25,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:03:25,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:03:25,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:03:25,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:03:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:03:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:03:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:03:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:03:25,326 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:03:25,328 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:03:25,913 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:03:25,945 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:03:25,945 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:03:25,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:03:25 BoogieIcfgContainer [2023-11-29 06:03:25,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:03:25,949 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:03:25,949 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:03:25,952 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:03:25,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:03:24" (1/3) ... [2023-11-29 06:03:25,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a4fb1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:03:25, skipping insertion in model container [2023-11-29 06:03:25,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:24" (2/3) ... [2023-11-29 06:03:25,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a4fb1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:03:25, skipping insertion in model container [2023-11-29 06:03:25,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:03:25" (3/3) ... [2023-11-29 06:03:25,955 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_spinner32.c [2023-11-29 06:03:25,970 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:03:25,970 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:03:26,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:03:26,021 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;@6aaf8dae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:03:26,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:03:26,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 90 states have (on average 1.6666666666666667) internal successors, (150), 91 states have internal predecessors, (150), 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) [2023-11-29 06:03:26,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 06:03:26,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:03:26,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:03:26,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:03:26,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:03:26,037 INFO L85 PathProgramCache]: Analyzing trace with hash 2053225890, now seen corresponding path program 1 times [2023-11-29 06:03:26,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:03:26,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288693559] [2023-11-29 06:03:26,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:03:26,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:03:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:03:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:03:26,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:03:26,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288693559] [2023-11-29 06:03:26,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288693559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:03:26,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:03:26,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:03:26,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467116825] [2023-11-29 06:03:26,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:03:26,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:03:26,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:03:26,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:03:26,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:03:26,453 INFO L87 Difference]: Start difference. First operand has 92 states, 90 states have (on average 1.6666666666666667) internal successors, (150), 91 states have internal predecessors, (150), 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 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2023-11-29 06:03:26,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:03:26,505 INFO L93 Difference]: Finished difference Result 174 states and 286 transitions. [2023-11-29 06:03:26,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:03:26,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2023-11-29 06:03:26,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:03:26,515 INFO L225 Difference]: With dead ends: 174 [2023-11-29 06:03:26,516 INFO L226 Difference]: Without dead ends: 92 [2023-11-29 06:03:26,518 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 [2023-11-29 06:03:26,520 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 1 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 424 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 [2023-11-29 06:03:26,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 424 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:03:26,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-29 06:03:26,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-29 06:03:26,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.6263736263736264) internal successors, (148), 91 states have internal predecessors, (148), 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) [2023-11-29 06:03:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 148 transitions. [2023-11-29 06:03:26,552 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 148 transitions. Word has length 16 [2023-11-29 06:03:26,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:03:26,552 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 148 transitions. [2023-11-29 06:03:26,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2023-11-29 06:03:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2023-11-29 06:03:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 06:03:26,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:03:26,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:03:26,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:03:26,554 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:03:26,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:03:26,555 INFO L85 PathProgramCache]: Analyzing trace with hash -772722248, now seen corresponding path program 1 times [2023-11-29 06:03:26,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:03:26,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946324839] [2023-11-29 06:03:26,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:03:26,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:03:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:03:26,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:03:26,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:03:26,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946324839] [2023-11-29 06:03:26,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946324839] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:03:26,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:03:26,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:03:26,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908982653] [2023-11-29 06:03:26,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:03:26,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:03:26,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:03:26,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:03:26,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:03:26,681 INFO L87 Difference]: Start difference. First operand 92 states and 148 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-11-29 06:03:26,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:03:26,714 INFO L93 Difference]: Finished difference Result 177 states and 284 transitions. [2023-11-29 06:03:26,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:03:26,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2023-11-29 06:03:26,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:03:26,716 INFO L225 Difference]: With dead ends: 177 [2023-11-29 06:03:26,716 INFO L226 Difference]: Without dead ends: 95 [2023-11-29 06:03:26,717 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 [2023-11-29 06:03:26,719 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 1 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 422 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 [2023-11-29 06:03:26,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 422 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:03:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-29 06:03:26,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 94. [2023-11-29 06:03:26,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.6129032258064515) internal successors, (150), 93 states have internal predecessors, (150), 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) [2023-11-29 06:03:26,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 150 transitions. [2023-11-29 06:03:26,729 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 150 transitions. Word has length 17 [2023-11-29 06:03:26,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:03:26,729 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 150 transitions. [2023-11-29 06:03:26,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-11-29 06:03:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 150 transitions. [2023-11-29 06:03:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 06:03:26,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:03:26,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:03:26,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:03:26,731 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:03:26,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:03:26,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1603194234, now seen corresponding path program 1 times [2023-11-29 06:03:26,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:03:26,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085950324] [2023-11-29 06:03:26,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:03:26,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:03:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:03:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:03:26,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:03:26,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085950324] [2023-11-29 06:03:26,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085950324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:03:26,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:03:27,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:03:27,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300945308] [2023-11-29 06:03:27,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:03:27,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:03:27,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:03:27,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:03:27,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:03:27,002 INFO L87 Difference]: Start difference. First operand 94 states and 150 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-11-29 06:03:27,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:03:27,096 INFO L93 Difference]: Finished difference Result 258 states and 414 transitions. [2023-11-29 06:03:27,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:03:27,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2023-11-29 06:03:27,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:03:27,098 INFO L225 Difference]: With dead ends: 258 [2023-11-29 06:03:27,099 INFO L226 Difference]: Without dead ends: 174 [2023-11-29 06:03:27,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:03:27,101 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 638 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:03:27,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 299 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:03:27,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-29 06:03:27,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 92. [2023-11-29 06:03:27,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.6043956043956045) internal successors, (146), 91 states have internal predecessors, (146), 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) [2023-11-29 06:03:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 146 transitions. [2023-11-29 06:03:27,112 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 146 transitions. Word has length 18 [2023-11-29 06:03:27,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:03:27,112 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 146 transitions. [2023-11-29 06:03:27,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-11-29 06:03:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions. [2023-11-29 06:03:27,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 06:03:27,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:03:27,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:03:27,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:03:27,114 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:03:27,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:03:27,115 INFO L85 PathProgramCache]: Analyzing trace with hash -916765700, now seen corresponding path program 1 times [2023-11-29 06:03:27,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:03:27,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165093647] [2023-11-29 06:03:27,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:03:27,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:03:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:03:27,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:03:27,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:03:27,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165093647] [2023-11-29 06:03:27,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165093647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:03:27,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:03:27,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:03:27,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763005441] [2023-11-29 06:03:27,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:03:27,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:03:27,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:03:27,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:03:27,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:03:27,411 INFO L87 Difference]: Start difference. First operand 92 states and 146 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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) [2023-11-29 06:03:27,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:03:27,611 INFO L93 Difference]: Finished difference Result 178 states and 282 transitions. [2023-11-29 06:03:27,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:03:27,611 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2023-11-29 06:03:27,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:03:27,612 INFO L225 Difference]: With dead ends: 178 [2023-11-29 06:03:27,612 INFO L226 Difference]: Without dead ends: 96 [2023-11-29 06:03:27,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:03:27,615 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 262 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:03:27,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 325 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:03:27,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-29 06:03:27,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2023-11-29 06:03:27,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.5934065934065933) internal successors, (145), 91 states have internal predecessors, (145), 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) [2023-11-29 06:03:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 145 transitions. [2023-11-29 06:03:27,624 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 145 transitions. Word has length 18 [2023-11-29 06:03:27,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:03:27,624 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 145 transitions. [2023-11-29 06:03:27,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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) [2023-11-29 06:03:27,625 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 145 transitions. [2023-11-29 06:03:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 06:03:27,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:03:27,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:03:27,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:03:27,626 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:03:27,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:03:27,627 INFO L85 PathProgramCache]: Analyzing trace with hash -916825282, now seen corresponding path program 1 times [2023-11-29 06:03:27,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:03:27,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263755130] [2023-11-29 06:03:27,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:03:27,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:03:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:03:27,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:03:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:03:27,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:03:27,688 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:03:27,689 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:03:27,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:03:27,693 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 06:03:27,697 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:03:27,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 06:03:27,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 06:03:27,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-29 06:03:27,727 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 06:03:27,727 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-29 06:03:27,728 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-29 06:03:27,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-29 06:03:27,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-29 06:03:27,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-29 06:03:27,734 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 06:03:27,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:03:27 BoogieIcfgContainer [2023-11-29 06:03:27,746 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:03:27,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:03:27,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:03:27,747 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:03:27,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:03:25" (3/4) ... [2023-11-29 06:03:27,749 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:03:27,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:03:27,751 INFO L158 Benchmark]: Toolchain (without parser) took 3135.59ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 107.6MB in the beginning and 97.4MB in the end (delta: 10.2MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2023-11-29 06:03:27,751 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:03:27,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.64ms. Allocated memory is still 144.7MB. Free memory was 107.6MB in the beginning and 90.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 06:03:27,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.12ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 81.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 06:03:27,752 INFO L158 Benchmark]: Boogie Preprocessor took 106.55ms. Allocated memory is still 144.7MB. Free memory was 81.9MB in the beginning and 76.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:03:27,752 INFO L158 Benchmark]: RCFGBuilder took 801.48ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 76.6MB in the beginning and 132.4MB in the end (delta: -55.8MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-11-29 06:03:27,753 INFO L158 Benchmark]: TraceAbstraction took 1796.71ms. Allocated memory is still 188.7MB. Free memory was 131.4MB in the beginning and 97.4MB in the end (delta: 34.0MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2023-11-29 06:03:27,753 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 188.7MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:03:27,755 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.64ms. Allocated memory is still 144.7MB. Free memory was 107.6MB in the beginning and 90.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.12ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 81.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.55ms. Allocated memory is still 144.7MB. Free memory was 81.9MB in the beginning and 76.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 801.48ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 76.6MB in the beginning and 132.4MB in the end (delta: -55.8MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1796.71ms. Allocated memory is still 188.7MB. Free memory was 131.4MB in the beginning and 97.4MB in the end (delta: 34.0MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 188.7MB. Free memory is still 97.4MB. 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~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 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~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 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 104. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L35] const SORT_25 mask_SORT_25 = (SORT_25)-1 >> (sizeof(SORT_25) * 8 - 31); [L36] const SORT_25 msb_SORT_25 = (SORT_25)1 << (31 - 1); [L38] const SORT_35 mask_SORT_35 = (SORT_35)-1 >> (sizeof(SORT_35) * 8 - 30); [L39] const SORT_35 msb_SORT_35 = (SORT_35)1 << (30 - 1); [L41] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 29); [L42] const SORT_37 msb_SORT_37 = (SORT_37)1 << (29 - 1); [L44] const SORT_43 mask_SORT_43 = (SORT_43)-1 >> (sizeof(SORT_43) * 8 - 2); [L45] const SORT_43 msb_SORT_43 = (SORT_43)1 << (2 - 1); [L47] const SORT_49 mask_SORT_49 = (SORT_49)-1 >> (sizeof(SORT_49) * 8 - 28); [L48] const SORT_49 msb_SORT_49 = (SORT_49)1 << (28 - 1); [L50] const SORT_51 mask_SORT_51 = (SORT_51)-1 >> (sizeof(SORT_51) * 8 - 26); [L51] const SORT_51 msb_SORT_51 = (SORT_51)1 << (26 - 1); [L53] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 4); [L54] const SORT_57 msb_SORT_57 = (SORT_57)1 << (4 - 1); [L56] const SORT_63 mask_SORT_63 = (SORT_63)-1 >> (sizeof(SORT_63) * 8 - 24); [L57] const SORT_63 msb_SORT_63 = (SORT_63)1 << (24 - 1); [L59] const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 20); [L60] const SORT_65 msb_SORT_65 = (SORT_65)1 << (20 - 1); [L62] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 8); [L63] const SORT_71 msb_SORT_71 = (SORT_71)1 << (8 - 1); [L65] const SORT_77 mask_SORT_77 = (SORT_77)-1 >> (sizeof(SORT_77) * 8 - 16); [L66] const SORT_77 msb_SORT_77 = (SORT_77)1 << (16 - 1); [L68] const SORT_5 var_8 = 0; [L69] const SORT_5 var_11 = 2863311530; [L70] const SORT_3 var_15 = 1; [L71] const SORT_3 var_22 = 0; [L73] SORT_1 input_2; [L74] SORT_3 input_4; [L75] SORT_5 input_6; [L76] SORT_3 input_7; [L78] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, var_11=2863311530, var_15=1, var_22=0, var_8=0] [L78] SORT_5 state_9 = __VERIFIER_nondet_uint() & mask_SORT_5; [L79] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0] [L79] SORT_5 state_19 = __VERIFIER_nondet_uint() & mask_SORT_5; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0] [L80] SORT_3 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L82] SORT_5 init_10_arg_1 = var_8; [L83] state_9 = init_10_arg_1 [L84] SORT_5 init_20_arg_1 = var_8; [L85] state_19 = init_20_arg_1 [L86] SORT_3 init_24_arg_1 = var_22; [L87] state_23 = init_24_arg_1 VAL [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0] [L90] input_2 = __VERIFIER_nondet_uchar() [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_6 = __VERIFIER_nondet_uint() [L93] input_7 = __VERIFIER_nondet_uchar() [L94] EXPR input_7 & mask_SORT_3 VAL [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0] [L94] input_7 = input_7 & mask_SORT_3 [L97] SORT_5 var_12_arg_0 = state_9; [L98] SORT_5 var_12_arg_1 = var_11; [L99] SORT_3 var_12 = var_12_arg_0 != var_12_arg_1; [L100] SORT_3 var_16_arg_0 = var_12; [L101] SORT_3 var_16 = ~var_16_arg_0; [L102] SORT_3 var_17_arg_0 = var_15; [L103] SORT_3 var_17_arg_1 = var_16; VAL [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_8=0] [L104] EXPR var_17_arg_0 & var_17_arg_1 VAL [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_8=0] [L104] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L105] EXPR var_17 & mask_SORT_3 VAL [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17=1, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_8=0] [L105] var_17 = var_17 & mask_SORT_3 [L106] SORT_3 bad_18_arg_0 = var_17; [L107] CALL __VERIFIER_assert(!(bad_18_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, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 902 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 902 mSDsluCounter, 1470 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 936 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 185 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 534 mSDtfsCounter, 185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=2, InterpolantAutomatonStates: 21, 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, 4 MinimizatonAttempts, 87 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 [2023-11-29 06:03:27,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya --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 d58fddfa4cf482321dbdf1232482f8f34318cf991749c3b32b04a6dcba45ac13 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:03:29,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:03:29,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-29 06:03:29,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:03:29,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:03:29,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:03:29,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:03:29,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:03:29,896 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:03:29,896 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:03:29,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:03:29,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:03:29,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:03:29,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:03:29,900 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:03:29,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:03:29,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:03:29,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:03:29,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:03:29,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:03:29,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:03:29,906 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 06:03:29,906 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 06:03:29,907 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 06:03:29,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:03:29,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:03:29,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:03:29,908 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:03:29,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:03:29,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:03:29,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:03:29,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:03:29,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:03:29,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:03:29,911 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 06:03:29,911 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 06:03:29,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:03:29,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:03:29,912 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:03:29,912 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:03:29,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:03:29,913 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 06:03:29,913 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_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58fddfa4cf482321dbdf1232482f8f34318cf991749c3b32b04a6dcba45ac13 [2023-11-29 06:03:30,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:03:30,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:03:30,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:03:30,235 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:03:30,235 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:03:30,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c [2023-11-29 06:03:33,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:03:33,303 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:03:33,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c [2023-11-29 06:03:33,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/data/8fa775806/644493486406486bbde1f2195c763dee/FLAGc69389f0c [2023-11-29 06:03:33,328 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/data/8fa775806/644493486406486bbde1f2195c763dee [2023-11-29 06:03:33,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:03:33,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:03:33,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:03:33,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:03:33,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:03:33,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e84cebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33, skipping insertion in model container [2023-11-29 06:03:33,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,376 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:03:33,537 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_3a8bd968-3adf-417e-af1b-86c3c299a8df/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c[1259,1272] [2023-11-29 06:03:33,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:03:33,652 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:03:33,664 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_3a8bd968-3adf-417e-af1b-86c3c299a8df/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c[1259,1272] [2023-11-29 06:03:33,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:03:33,722 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:03:33,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33 WrapperNode [2023-11-29 06:03:33,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:03:33,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:03:33,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:03:33,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:03:33,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,772 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 230 [2023-11-29 06:03:33,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:03:33,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:03:33,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:03:33,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:03:33,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,792 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,807 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]. [2023-11-29 06:03:33,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:03:33,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:03:33,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:03:33,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:03:33,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (1/1) ... [2023-11-29 06:03:33,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:03:33,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:03:33,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:03:33,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:03:33,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:03:33,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 06:03:33,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:03:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:03:34,014 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:03:34,016 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:03:34,282 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:03:34,322 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:03:34,323 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:03:34,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:03:34 BoogieIcfgContainer [2023-11-29 06:03:34,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:03:34,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:03:34,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:03:34,330 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:03:34,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:03:33" (1/3) ... [2023-11-29 06:03:34,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b6320e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:03:34, skipping insertion in model container [2023-11-29 06:03:34,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:03:33" (2/3) ... [2023-11-29 06:03:34,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b6320e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:03:34, skipping insertion in model container [2023-11-29 06:03:34,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:03:34" (3/3) ... [2023-11-29 06:03:34,334 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_spinner32.c [2023-11-29 06:03:34,354 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:03:34,354 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:03:34,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:03:34,409 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;@1902874f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:03:34,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:03:34,413 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) [2023-11-29 06:03:34,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 06:03:34,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:03:34,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 06:03:34,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:03:34,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:03:34,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-29 06:03:34,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:03:34,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040935425] [2023-11-29 06:03:34,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:03:34,440 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 [2023-11-29 06:03:34,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:03:34,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:03:34,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:03:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:03:34,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 06:03:34,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:03:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:03:34,770 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:03:34,771 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:03:34,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040935425] [2023-11-29 06:03:34,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040935425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:03:34,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:03:34,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:03:34,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836991868] [2023-11-29 06:03:34,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:03:34,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:03:34,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:03:34,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:03:34,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:03:34,810 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) [2023-11-29 06:03:34,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:03:34,905 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-29 06:03:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:03:34,907 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 [2023-11-29 06:03:34,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:03:34,914 INFO L225 Difference]: With dead ends: 16 [2023-11-29 06:03:34,914 INFO L226 Difference]: Without dead ends: 9 [2023-11-29 06:03:34,917 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 [2023-11-29 06:03:34,920 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:03:34,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:03:34,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-29 06:03:34,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-29 06:03:34,948 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) [2023-11-29 06:03:34,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-29 06:03:34,950 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-29 06:03:34,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:03:34,950 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-29 06:03:34,951 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) [2023-11-29 06:03:34,951 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-29 06:03:34,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 06:03:34,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:03:34,951 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-29 06:03:34,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:03:35,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:03:35,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:03:35,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:03:35,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-29 06:03:35,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:03:35,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1046423547] [2023-11-29 06:03:35,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:03:35,156 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 [2023-11-29 06:03:35,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:03:35,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:03:35,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:03:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:03:35,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 85 conjunts are in the unsatisfiable core [2023-11-29 06:03:35,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:03:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:03:37,113 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:03:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:03:52,964 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:03:52,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1046423547] [2023-11-29 06:03:52,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1046423547] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:03:52,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:03:52,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-29 06:03:52,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695026305] [2023-11-29 06:03:52,965 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:03:52,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:03:52,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:03:52,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:03:52,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=39, Unknown=1, NotChecked=0, Total=56 [2023-11-29 06:03:52,967 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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) [2023-11-29 06:03:54,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:03:54,378 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 06:03:54,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:03:54,378 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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 [2023-11-29 06:03:54,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:03:54,379 INFO L225 Difference]: With dead ends: 14 [2023-11-29 06:03:54,379 INFO L226 Difference]: Without dead ends: 12 [2023-11-29 06:03:54,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=38, Invalid=71, Unknown=1, NotChecked=0, Total=110 [2023-11-29 06:03:54,381 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 10 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:03:54,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 11 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:03:54,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-29 06:03:54,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-29 06:03:54,386 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) [2023-11-29 06:03:54,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-29 06:03:54,387 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-29 06:03:54,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:03:54,387 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-29 06:03:54,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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) [2023-11-29 06:03:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-29 06:03:54,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 06:03:54,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:03:54,388 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-11-29 06:03:54,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 06:03:54,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:03:54,589 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:03:54,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:03:54,590 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-11-29 06:03:54,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:03:54,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924919719] [2023-11-29 06:03:54,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:03:54,591 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 [2023-11-29 06:03:54,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:03:54,592 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:03:54,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:03:54,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 06:03:54,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-29 06:03:54,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:03:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:03:55,019 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 06:03:55,019 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:03:55,021 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:03:55,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:03:55,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:03:55,229 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-11-29 06:03:55,232 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:03:55,278 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 06:03:55,278 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 06:03:55,279 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 06:03:55,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:03:55 BoogieIcfgContainer [2023-11-29 06:03:55,302 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:03:55,302 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:03:55,303 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:03:55,303 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:03:55,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:03:34" (3/4) ... [2023-11-29 06:03:55,304 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-29 06:03:55,329 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 06:03:55,329 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 06:03:55,330 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 06:03:55,413 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:03:55,414 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:03:55,414 INFO L158 Benchmark]: Toolchain (without parser) took 22082.38ms. Allocated memory was 83.9MB in the beginning and 306.2MB in the end (delta: 222.3MB). Free memory was 38.5MB in the beginning and 270.6MB in the end (delta: -232.1MB). Peak memory consumption was 164.4MB. Max. memory is 16.1GB. [2023-11-29 06:03:55,415 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 60.3MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:03:55,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.52ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 56.7MB in the end (delta: -18.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-11-29 06:03:55,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.63ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 54.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:03:55,416 INFO L158 Benchmark]: Boogie Preprocessor took 55.54ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 51.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:03:55,416 INFO L158 Benchmark]: RCFGBuilder took 493.92ms. Allocated memory was 83.9MB in the beginning and 140.5MB in the end (delta: 56.6MB). Free memory was 50.8MB in the beginning and 111.3MB in the end (delta: -60.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-29 06:03:55,416 INFO L158 Benchmark]: TraceAbstraction took 20975.21ms. Allocated memory was 140.5MB in the beginning and 306.2MB in the end (delta: 165.7MB). Free memory was 110.5MB in the beginning and 101.2MB in the end (delta: 9.3MB). Peak memory consumption was 174.6MB. Max. memory is 16.1GB. [2023-11-29 06:03:55,417 INFO L158 Benchmark]: Witness Printer took 111.30ms. Allocated memory is still 306.2MB. Free memory was 101.2MB in the beginning and 270.6MB in the end (delta: -169.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-29 06:03:55,419 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 60.3MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.52ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 56.7MB in the end (delta: -18.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.63ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 54.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.54ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 51.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.92ms. Allocated memory was 83.9MB in the beginning and 140.5MB in the end (delta: 56.6MB). Free memory was 50.8MB in the beginning and 111.3MB in the end (delta: -60.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 20975.21ms. Allocated memory was 140.5MB in the beginning and 306.2MB in the end (delta: 165.7MB). Free memory was 110.5MB in the beginning and 101.2MB in the end (delta: 9.3MB). Peak memory consumption was 174.6MB. Max. memory is 16.1GB. * Witness Printer took 111.30ms. Allocated memory is still 306.2MB. Free memory was 101.2MB in the beginning and 270.6MB in the end (delta: -169.4MB). Peak memory consumption was 3.5MB. 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 - 5); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L35] const SORT_25 mask_SORT_25 = (SORT_25)-1 >> (sizeof(SORT_25) * 8 - 31); [L36] const SORT_25 msb_SORT_25 = (SORT_25)1 << (31 - 1); [L38] const SORT_35 mask_SORT_35 = (SORT_35)-1 >> (sizeof(SORT_35) * 8 - 30); [L39] const SORT_35 msb_SORT_35 = (SORT_35)1 << (30 - 1); [L41] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 29); [L42] const SORT_37 msb_SORT_37 = (SORT_37)1 << (29 - 1); [L44] const SORT_43 mask_SORT_43 = (SORT_43)-1 >> (sizeof(SORT_43) * 8 - 2); [L45] const SORT_43 msb_SORT_43 = (SORT_43)1 << (2 - 1); [L47] const SORT_49 mask_SORT_49 = (SORT_49)-1 >> (sizeof(SORT_49) * 8 - 28); [L48] const SORT_49 msb_SORT_49 = (SORT_49)1 << (28 - 1); [L50] const SORT_51 mask_SORT_51 = (SORT_51)-1 >> (sizeof(SORT_51) * 8 - 26); [L51] const SORT_51 msb_SORT_51 = (SORT_51)1 << (26 - 1); [L53] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 4); [L54] const SORT_57 msb_SORT_57 = (SORT_57)1 << (4 - 1); [L56] const SORT_63 mask_SORT_63 = (SORT_63)-1 >> (sizeof(SORT_63) * 8 - 24); [L57] const SORT_63 msb_SORT_63 = (SORT_63)1 << (24 - 1); [L59] const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 20); [L60] const SORT_65 msb_SORT_65 = (SORT_65)1 << (20 - 1); [L62] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 8); [L63] const SORT_71 msb_SORT_71 = (SORT_71)1 << (8 - 1); [L65] const SORT_77 mask_SORT_77 = (SORT_77)-1 >> (sizeof(SORT_77) * 8 - 16); [L66] const SORT_77 msb_SORT_77 = (SORT_77)1 << (16 - 1); [L68] const SORT_5 var_8 = 0; [L69] const SORT_5 var_11 = 2863311530; [L70] const SORT_3 var_15 = 1; [L71] const SORT_3 var_22 = 0; [L73] SORT_1 input_2; [L74] SORT_3 input_4; [L75] SORT_5 input_6; [L76] SORT_3 input_7; [L78] SORT_5 state_9 = __VERIFIER_nondet_uint() & mask_SORT_5; [L79] SORT_5 state_19 = __VERIFIER_nondet_uint() & mask_SORT_5; [L80] SORT_3 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L82] SORT_5 init_10_arg_1 = var_8; [L83] state_9 = init_10_arg_1 [L84] SORT_5 init_20_arg_1 = var_8; [L85] state_19 = init_20_arg_1 [L86] SORT_3 init_24_arg_1 = var_22; [L87] state_23 = init_24_arg_1 VAL [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0] [L90] input_2 = __VERIFIER_nondet_uchar() [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_6 = __VERIFIER_nondet_uint() [L93] input_7 = __VERIFIER_nondet_uchar() [L94] input_7 = input_7 & mask_SORT_3 [L97] SORT_5 var_12_arg_0 = state_9; [L98] SORT_5 var_12_arg_1 = var_11; [L99] SORT_3 var_12 = var_12_arg_0 != var_12_arg_1; [L100] SORT_3 var_16_arg_0 = var_12; [L101] SORT_3 var_16 = ~var_16_arg_0; [L102] SORT_3 var_17_arg_0 = var_15; [L103] SORT_3 var_17_arg_1 = var_16; [L104] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L105] var_17 = var_17 & mask_SORT_3 [L106] SORT_3 bad_18_arg_0 = var_17; [L107] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L107] RET __VERIFIER_assert(!(bad_18_arg_0)) [L109] SORT_1 var_81_arg_0 = input_2; [L110] SORT_3 var_81 = var_81_arg_0 >> 4; [L111] var_81 = var_81 & mask_SORT_3 [L112] SORT_1 var_68_arg_0 = input_2; [L113] SORT_3 var_68 = var_68_arg_0 >> 3; [L114] var_68 = var_68 & mask_SORT_3 [L115] SORT_1 var_54_arg_0 = input_2; [L116] SORT_3 var_54 = var_54_arg_0 >> 2; [L117] var_54 = var_54 & mask_SORT_3 [L118] SORT_1 var_40_arg_0 = input_2; [L119] SORT_3 var_40 = var_40_arg_0 >> 1; [L120] var_40 = var_40 & mask_SORT_3 [L121] SORT_1 var_28_arg_0 = input_2; [L122] SORT_3 var_28 = var_28_arg_0 >> 0; [L123] var_28 = var_28 & mask_SORT_3 [L124] SORT_5 var_32_arg_0 = state_19; [L125] SORT_3 var_32 = var_32_arg_0 >> 0; [L126] SORT_5 var_31_arg_0 = state_19; [L127] SORT_3 var_31 = var_31_arg_0 >> 31; [L128] SORT_3 var_33_arg_0 = var_28; [L129] SORT_3 var_33_arg_1 = var_32; [L130] SORT_3 var_33_arg_2 = var_31; [L131] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L132] SORT_5 var_27_arg_0 = state_19; [L133] SORT_25 var_27 = var_27_arg_0 >> 1; [L134] SORT_5 var_26_arg_0 = state_19; [L135] SORT_25 var_26 = var_26_arg_0 >> 0; [L136] SORT_3 var_29_arg_0 = var_28; [L137] SORT_25 var_29_arg_1 = var_27; [L138] SORT_25 var_29_arg_2 = var_26; [L139] SORT_25 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L140] SORT_25 var_38_arg_0 = var_29; [L141] SORT_37 var_38 = var_38_arg_0 >> 2; [L142] var_38 = var_38 & mask_SORT_37 [L143] SORT_3 var_39_arg_0 = var_33; [L144] SORT_37 var_39_arg_1 = var_38; [L145] SORT_35 var_39 = ((SORT_35)var_39_arg_0 << 29) | var_39_arg_1; [L146] SORT_25 var_36_arg_0 = var_29; [L147] SORT_35 var_36 = var_36_arg_0 >> 0; [L148] SORT_3 var_41_arg_0 = var_40; [L149] SORT_35 var_41_arg_1 = var_39; [L150] SORT_35 var_41_arg_2 = var_36; [L151] SORT_35 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L152] SORT_35 var_60_arg_0 = var_41; [L153] SORT_57 var_60 = var_60_arg_0 >> 0; [L154] SORT_25 var_46_arg_0 = var_29; [L155] SORT_43 var_46 = var_46_arg_0 >> 0; [L156] SORT_25 var_44_arg_0 = var_29; [L157] SORT_3 var_44 = var_44_arg_0 >> 30; [L158] var_44 = var_44 & mask_SORT_3 [L159] SORT_3 var_45_arg_0 = var_33; [L160] SORT_3 var_45_arg_1 = var_44; [L161] SORT_43 var_45 = ((SORT_43)var_45_arg_0 << 1) | var_45_arg_1; [L162] SORT_3 var_47_arg_0 = var_40; [L163] SORT_43 var_47_arg_1 = var_46; [L164] SORT_43 var_47_arg_2 = var_45; [L165] SORT_43 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L166] SORT_35 var_58_arg_0 = var_41; [L167] SORT_43 var_58 = var_58_arg_0 >> 28; [L168] var_58 = var_58 & mask_SORT_43 [L169] SORT_43 var_59_arg_0 = var_47; [L170] SORT_43 var_59_arg_1 = var_58; [L171] SORT_57 var_59 = ((SORT_57)var_59_arg_0 << 2) | var_59_arg_1; [L172] SORT_3 var_61_arg_0 = var_54; [L173] SORT_57 var_61_arg_1 = var_60; [L174] SORT_57 var_61_arg_2 = var_59; [L175] SORT_57 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L176] SORT_35 var_52_arg_0 = var_41; [L177] SORT_51 var_52 = var_52_arg_0 >> 4; [L178] var_52 = var_52 & mask_SORT_51 [L179] SORT_43 var_53_arg_0 = var_47; [L180] SORT_51 var_53_arg_1 = var_52; [L181] SORT_49 var_53 = ((SORT_49)var_53_arg_0 << 26) | var_53_arg_1; [L182] SORT_35 var_50_arg_0 = var_41; [L183] SORT_49 var_50 = var_50_arg_0 >> 0; [L184] SORT_3 var_55_arg_0 = var_54; [L185] SORT_49 var_55_arg_1 = var_53; [L186] SORT_49 var_55_arg_2 = var_50; [L187] SORT_49 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L188] SORT_49 var_66_arg_0 = var_55; [L189] SORT_65 var_66 = var_66_arg_0 >> 8; [L190] var_66 = var_66 & mask_SORT_65 [L191] SORT_57 var_67_arg_0 = var_61; [L192] SORT_65 var_67_arg_1 = var_66; [L193] SORT_63 var_67 = ((SORT_63)var_67_arg_0 << 20) | var_67_arg_1; [L194] SORT_49 var_64_arg_0 = var_55; [L195] SORT_63 var_64 = var_64_arg_0 >> 0; [L196] SORT_3 var_69_arg_0 = var_68; [L197] SORT_63 var_69_arg_1 = var_67; [L198] SORT_63 var_69_arg_2 = var_64; [L199] SORT_63 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L200] SORT_63 var_78_arg_0 = var_69; [L201] SORT_77 var_78 = var_78_arg_0 >> 0; [L202] SORT_49 var_74_arg_0 = var_55; [L203] SORT_71 var_74 = var_74_arg_0 >> 0; [L204] SORT_49 var_72_arg_0 = var_55; [L205] SORT_57 var_72 = var_72_arg_0 >> 24; [L206] var_72 = var_72 & mask_SORT_57 [L207] SORT_57 var_73_arg_0 = var_61; [L208] SORT_57 var_73_arg_1 = var_72; [L209] SORT_71 var_73 = ((SORT_71)var_73_arg_0 << 4) | var_73_arg_1; [L210] SORT_3 var_75_arg_0 = var_68; [L211] SORT_71 var_75_arg_1 = var_74; [L212] SORT_71 var_75_arg_2 = var_73; [L213] SORT_71 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L214] SORT_63 var_79_arg_0 = var_69; [L215] SORT_71 var_79 = var_79_arg_0 >> 16; [L216] var_79 = var_79 & mask_SORT_71 [L217] SORT_71 var_80_arg_0 = var_75; [L218] SORT_71 var_80_arg_1 = var_79; [L219] SORT_77 var_80 = ((SORT_77)var_80_arg_0 << 8) | var_80_arg_1; [L220] SORT_3 var_84_arg_0 = var_81; [L221] SORT_77 var_84_arg_1 = var_78; [L222] SORT_77 var_84_arg_2 = var_80; [L223] SORT_77 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L224] SORT_3 var_82_arg_0 = var_81; [L225] SORT_77 var_82_arg_1 = var_80; [L226] SORT_77 var_82_arg_2 = var_78; [L227] SORT_77 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L228] var_82 = var_82 & mask_SORT_77 [L229] SORT_77 var_86_arg_0 = var_84; [L230] SORT_77 var_86_arg_1 = var_82; [L231] SORT_5 var_86 = ((SORT_5)var_86_arg_0 << 16) | var_86_arg_1; [L232] var_86 = var_86 & mask_SORT_5 [L233] SORT_5 next_87_arg_1 = var_86; [L234] SORT_3 var_88_arg_0 = state_23; [L235] SORT_5 var_88_arg_1 = state_9; [L236] SORT_5 var_88_arg_2 = input_6; [L237] SORT_5 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L238] SORT_5 next_89_arg_1 = var_88; [L239] SORT_3 next_90_arg_1 = input_7; [L241] state_9 = next_87_arg_1 [L242] state_19 = next_89_arg_1 [L243] state_23 = next_90_arg_1 VAL [bad_18_arg_0=0, init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_2=0, input_6=2863311530, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, next_87_arg_1=0, next_89_arg_1=2863311530, next_90_arg_1=0, state_19=2863311530, state_23=0, state_9=0, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17=0, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_28=0, var_28_arg_0=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_31=0, var_31_arg_0=0, var_32=0, var_32_arg_0=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_36=0, var_36_arg_0=0, var_38=0, var_38_arg_0=0, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_41_arg_2=0, var_44=0, var_44_arg_0=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_46=0, var_46_arg_0=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_47_arg_2=0, var_50=0, var_50_arg_0=0, var_52=0, var_52_arg_0=0, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_55_arg_2=0, var_58=0, var_58_arg_0=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_60=0, var_60_arg_0=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_64=0, var_64_arg_0=0, var_66=0, var_66_arg_0=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_68_arg_0=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_72=0, var_72_arg_0=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_74=0, var_74_arg_0=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_75_arg_2=0, var_78=0, var_78_arg_0=0, var_79=0, var_79_arg_0=0, var_80=0, var_80_arg_0=0, var_80_arg_1=0, var_81=0, var_81_arg_0=0, var_82=0, var_82_arg_0=0, var_82_arg_1=0, var_82_arg_2=0, var_84=0, var_84_arg_0=0, var_84_arg_1=0, var_84_arg_2=0, var_86=0, var_86_arg_0=0, var_86_arg_1=0, var_88=2863311530, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=2863311530, var_8=0] [L90] input_2 = __VERIFIER_nondet_uchar() [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_6 = __VERIFIER_nondet_uint() [L93] input_7 = __VERIFIER_nondet_uchar() [L94] input_7 = input_7 & mask_SORT_3 [L97] SORT_5 var_12_arg_0 = state_9; [L98] SORT_5 var_12_arg_1 = var_11; [L99] SORT_3 var_12 = var_12_arg_0 != var_12_arg_1; [L100] SORT_3 var_16_arg_0 = var_12; [L101] SORT_3 var_16 = ~var_16_arg_0; [L102] SORT_3 var_17_arg_0 = var_15; [L103] SORT_3 var_17_arg_1 = var_16; [L104] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L105] var_17 = var_17 & mask_SORT_3 [L106] SORT_3 bad_18_arg_0 = var_17; [L107] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L107] RET __VERIFIER_assert(!(bad_18_arg_0)) [L109] SORT_1 var_81_arg_0 = input_2; [L110] SORT_3 var_81 = var_81_arg_0 >> 4; [L111] var_81 = var_81 & mask_SORT_3 [L112] SORT_1 var_68_arg_0 = input_2; [L113] SORT_3 var_68 = var_68_arg_0 >> 3; [L114] var_68 = var_68 & mask_SORT_3 [L115] SORT_1 var_54_arg_0 = input_2; [L116] SORT_3 var_54 = var_54_arg_0 >> 2; [L117] var_54 = var_54 & mask_SORT_3 [L118] SORT_1 var_40_arg_0 = input_2; [L119] SORT_3 var_40 = var_40_arg_0 >> 1; [L120] var_40 = var_40 & mask_SORT_3 [L121] SORT_1 var_28_arg_0 = input_2; [L122] SORT_3 var_28 = var_28_arg_0 >> 0; [L123] var_28 = var_28 & mask_SORT_3 [L124] SORT_5 var_32_arg_0 = state_19; [L125] SORT_3 var_32 = var_32_arg_0 >> 0; [L126] SORT_5 var_31_arg_0 = state_19; [L127] SORT_3 var_31 = var_31_arg_0 >> 31; [L128] SORT_3 var_33_arg_0 = var_28; [L129] SORT_3 var_33_arg_1 = var_32; [L130] SORT_3 var_33_arg_2 = var_31; [L131] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L132] SORT_5 var_27_arg_0 = state_19; [L133] SORT_25 var_27 = var_27_arg_0 >> 1; [L134] SORT_5 var_26_arg_0 = state_19; [L135] SORT_25 var_26 = var_26_arg_0 >> 0; [L136] SORT_3 var_29_arg_0 = var_28; [L137] SORT_25 var_29_arg_1 = var_27; [L138] SORT_25 var_29_arg_2 = var_26; [L139] SORT_25 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L140] SORT_25 var_38_arg_0 = var_29; [L141] SORT_37 var_38 = var_38_arg_0 >> 2; [L142] var_38 = var_38 & mask_SORT_37 [L143] SORT_3 var_39_arg_0 = var_33; [L144] SORT_37 var_39_arg_1 = var_38; [L145] SORT_35 var_39 = ((SORT_35)var_39_arg_0 << 29) | var_39_arg_1; [L146] SORT_25 var_36_arg_0 = var_29; [L147] SORT_35 var_36 = var_36_arg_0 >> 0; [L148] SORT_3 var_41_arg_0 = var_40; [L149] SORT_35 var_41_arg_1 = var_39; [L150] SORT_35 var_41_arg_2 = var_36; [L151] SORT_35 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L152] SORT_35 var_60_arg_0 = var_41; [L153] SORT_57 var_60 = var_60_arg_0 >> 0; [L154] SORT_25 var_46_arg_0 = var_29; [L155] SORT_43 var_46 = var_46_arg_0 >> 0; [L156] SORT_25 var_44_arg_0 = var_29; [L157] SORT_3 var_44 = var_44_arg_0 >> 30; [L158] var_44 = var_44 & mask_SORT_3 [L159] SORT_3 var_45_arg_0 = var_33; [L160] SORT_3 var_45_arg_1 = var_44; [L161] SORT_43 var_45 = ((SORT_43)var_45_arg_0 << 1) | var_45_arg_1; [L162] SORT_3 var_47_arg_0 = var_40; [L163] SORT_43 var_47_arg_1 = var_46; [L164] SORT_43 var_47_arg_2 = var_45; [L165] SORT_43 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L166] SORT_35 var_58_arg_0 = var_41; [L167] SORT_43 var_58 = var_58_arg_0 >> 28; [L168] var_58 = var_58 & mask_SORT_43 [L169] SORT_43 var_59_arg_0 = var_47; [L170] SORT_43 var_59_arg_1 = var_58; [L171] SORT_57 var_59 = ((SORT_57)var_59_arg_0 << 2) | var_59_arg_1; [L172] SORT_3 var_61_arg_0 = var_54; [L173] SORT_57 var_61_arg_1 = var_60; [L174] SORT_57 var_61_arg_2 = var_59; [L175] SORT_57 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L176] SORT_35 var_52_arg_0 = var_41; [L177] SORT_51 var_52 = var_52_arg_0 >> 4; [L178] var_52 = var_52 & mask_SORT_51 [L179] SORT_43 var_53_arg_0 = var_47; [L180] SORT_51 var_53_arg_1 = var_52; [L181] SORT_49 var_53 = ((SORT_49)var_53_arg_0 << 26) | var_53_arg_1; [L182] SORT_35 var_50_arg_0 = var_41; [L183] SORT_49 var_50 = var_50_arg_0 >> 0; [L184] SORT_3 var_55_arg_0 = var_54; [L185] SORT_49 var_55_arg_1 = var_53; [L186] SORT_49 var_55_arg_2 = var_50; [L187] SORT_49 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L188] SORT_49 var_66_arg_0 = var_55; [L189] SORT_65 var_66 = var_66_arg_0 >> 8; [L190] var_66 = var_66 & mask_SORT_65 [L191] SORT_57 var_67_arg_0 = var_61; [L192] SORT_65 var_67_arg_1 = var_66; [L193] SORT_63 var_67 = ((SORT_63)var_67_arg_0 << 20) | var_67_arg_1; [L194] SORT_49 var_64_arg_0 = var_55; [L195] SORT_63 var_64 = var_64_arg_0 >> 0; [L196] SORT_3 var_69_arg_0 = var_68; [L197] SORT_63 var_69_arg_1 = var_67; [L198] SORT_63 var_69_arg_2 = var_64; [L199] SORT_63 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L200] SORT_63 var_78_arg_0 = var_69; [L201] SORT_77 var_78 = var_78_arg_0 >> 0; [L202] SORT_49 var_74_arg_0 = var_55; [L203] SORT_71 var_74 = var_74_arg_0 >> 0; [L204] SORT_49 var_72_arg_0 = var_55; [L205] SORT_57 var_72 = var_72_arg_0 >> 24; [L206] var_72 = var_72 & mask_SORT_57 [L207] SORT_57 var_73_arg_0 = var_61; [L208] SORT_57 var_73_arg_1 = var_72; [L209] SORT_71 var_73 = ((SORT_71)var_73_arg_0 << 4) | var_73_arg_1; [L210] SORT_3 var_75_arg_0 = var_68; [L211] SORT_71 var_75_arg_1 = var_74; [L212] SORT_71 var_75_arg_2 = var_73; [L213] SORT_71 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L214] SORT_63 var_79_arg_0 = var_69; [L215] SORT_71 var_79 = var_79_arg_0 >> 16; [L216] var_79 = var_79 & mask_SORT_71 [L217] SORT_71 var_80_arg_0 = var_75; [L218] SORT_71 var_80_arg_1 = var_79; [L219] SORT_77 var_80 = ((SORT_77)var_80_arg_0 << 8) | var_80_arg_1; [L220] SORT_3 var_84_arg_0 = var_81; [L221] SORT_77 var_84_arg_1 = var_78; [L222] SORT_77 var_84_arg_2 = var_80; [L223] SORT_77 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L224] SORT_3 var_82_arg_0 = var_81; [L225] SORT_77 var_82_arg_1 = var_80; [L226] SORT_77 var_82_arg_2 = var_78; [L227] SORT_77 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L228] var_82 = var_82 & mask_SORT_77 [L229] SORT_77 var_86_arg_0 = var_84; [L230] SORT_77 var_86_arg_1 = var_82; [L231] SORT_5 var_86 = ((SORT_5)var_86_arg_0 << 16) | var_86_arg_1; [L232] var_86 = var_86 & mask_SORT_5 [L233] SORT_5 next_87_arg_1 = var_86; [L234] SORT_3 var_88_arg_0 = state_23; [L235] SORT_5 var_88_arg_1 = state_9; [L236] SORT_5 var_88_arg_2 = input_6; [L237] SORT_5 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L238] SORT_5 next_89_arg_1 = var_88; [L239] SORT_3 next_90_arg_1 = input_7; [L241] state_9 = next_87_arg_1 [L242] state_19 = next_89_arg_1 [L243] state_23 = next_90_arg_1 VAL [bad_18_arg_0=0, init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_2=24, input_6=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, next_87_arg_1=2863311530, next_89_arg_1=0, next_90_arg_1=0, state_19=0, state_23=0, state_9=2863311530, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17=0, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_26=2863311530, var_26_arg_0=2863311530, var_27=1431655765, var_27_arg_0=2863311530, var_28=0, var_28_arg_0=24, var_29=2863311530, var_29_arg_0=0, var_29_arg_1=1431655765, var_29_arg_2=2863311530, var_31=1, var_31_arg_0=2863311530, var_32=170, var_32_arg_0=2863311530, var_33=1, var_33_arg_0=0, var_33_arg_1=170, var_33_arg_2=1, var_36=2863311530, var_36_arg_0=2863311530, var_38=178956970, var_38_arg_0=2863311530, var_39=715827882, var_39_arg_0=1, var_39_arg_1=178956970, var_40=0, var_40_arg_0=24, var_41=2863311530, var_41_arg_0=0, var_41_arg_1=715827882, var_41_arg_2=2863311530, var_44=0, var_44_arg_0=2863311530, var_45=2, var_45_arg_0=1, var_45_arg_1=0, var_46=170, var_46_arg_0=2863311530, var_47=2, var_47_arg_0=0, var_47_arg_1=170, var_47_arg_2=2, var_50=2863311530, var_50_arg_0=2863311530, var_52=44739242, var_52_arg_0=2863311530, var_53=178956970, var_53_arg_0=2, var_53_arg_1=44739242, var_54=0, var_54_arg_0=24, var_55=2863311530, var_55_arg_0=0, var_55_arg_1=178956970, var_55_arg_2=2863311530, var_58=2, var_58_arg_0=2863311530, var_59=10, var_59_arg_0=2, var_59_arg_1=2, var_60=170, var_60_arg_0=2863311530, var_61=10, var_61_arg_0=0, var_61_arg_1=170, var_61_arg_2=10, var_64=2863311530, var_64_arg_0=2863311530, var_66=699050, var_66_arg_0=2863311530, var_67=11184810, var_67_arg_0=10, var_67_arg_1=699050, var_68=1, var_68_arg_0=24, var_69=11184810, var_69_arg_0=1, var_69_arg_1=11184810, var_69_arg_2=2863311530, var_72=10, var_72_arg_0=2863311530, var_73=170, var_73_arg_0=10, var_73_arg_1=10, var_74=170, var_74_arg_0=2863311530, var_75=170, var_75_arg_0=1, var_75_arg_1=170, var_75_arg_2=170, var_78=43690, var_78_arg_0=11184810, var_79=170, var_79_arg_0=11184810, var_80=43690, var_80_arg_0=170, var_80_arg_1=170, var_81=1, var_81_arg_0=24, var_82=43690, var_82_arg_0=1, var_82_arg_1=43690, var_82_arg_2=43690, var_84=43690, var_84_arg_0=1, var_84_arg_1=43690, var_84_arg_2=43690, var_86=2863311530, var_86_arg_0=43690, var_86_arg_1=43690, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_8=0] [L90] input_2 = __VERIFIER_nondet_uchar() [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_6 = __VERIFIER_nondet_uint() [L93] input_7 = __VERIFIER_nondet_uchar() [L94] input_7 = input_7 & mask_SORT_3 [L97] SORT_5 var_12_arg_0 = state_9; [L98] SORT_5 var_12_arg_1 = var_11; [L99] SORT_3 var_12 = var_12_arg_0 != var_12_arg_1; [L100] SORT_3 var_16_arg_0 = var_12; [L101] SORT_3 var_16 = ~var_16_arg_0; [L102] SORT_3 var_17_arg_0 = var_15; [L103] SORT_3 var_17_arg_1 = var_16; [L104] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L105] var_17 = var_17 & mask_SORT_3 [L106] SORT_3 bad_18_arg_0 = var_17; [L107] CALL __VERIFIER_assert(!(bad_18_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: 20.8s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=2, InterpolantAutomatonStates: 11, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.8s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 5 QuantifiedInterpolants, 43810 SizeOfPredicates, 117 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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! [2023-11-29 06:03:55,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8bd968-3adf-417e-af1b-86c3c299a8df/bin/uautomizer-verify-BQ2R08f2Ya/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