./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p02.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_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c9237163e2805f66062dc578af6664f7122718fcb3464bd31fd071298f5647b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:22,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:22,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 11:52:22,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:22,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:22,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:22,525 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:22,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:22,526 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:22,527 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:22,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:22,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:22,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:22,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:22,531 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:22,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:22,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:22,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:52:22,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:22,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:22,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:22,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:22,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:22,536 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:22,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:22,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:22,538 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:52:22,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:22,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:22,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:22,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:22,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:22,541 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:52:22,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:52:22,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:22,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:22,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:22,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:22,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:22,544 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_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9237163e2805f66062dc578af6664f7122718fcb3464bd31fd071298f5647b0 [2023-11-26 11:52:22,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:22,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:22,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:22,835 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:22,836 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:22,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p02.c [2023-11-26 11:52:26,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:26,431 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:26,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p02.c [2023-11-26 11:52:26,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/data/ab5d8ab2a/d59b7072f2a74312b47fb19554d4a390/FLAGf0e18e2da [2023-11-26 11:52:26,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/data/ab5d8ab2a/d59b7072f2a74312b47fb19554d4a390 [2023-11-26 11:52:26,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:26,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:26,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:26,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:26,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:26,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:26" (1/1) ... [2023-11-26 11:52:26,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2492b217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:26, skipping insertion in model container [2023-11-26 11:52:26,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:26" (1/1) ... [2023-11-26 11:52:26,557 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:26,734 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p02.c[1259,1272] [2023-11-26 11:52:27,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:27,062 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:27,075 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_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p02.c[1259,1272] [2023-11-26 11:52:27,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:27,389 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:27,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27 WrapperNode [2023-11-26 11:52:27,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:27,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:27,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:27,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:27,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (1/1) ... [2023-11-26 11:52:27,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (1/1) ... [2023-11-26 11:52:27,761 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2378 [2023-11-26 11:52:27,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:27,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:27,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:27,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:27,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (1/1) ... [2023-11-26 11:52:27,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (1/1) ... [2023-11-26 11:52:27,821 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (1/1) ... [2023-11-26 11:52:27,903 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:52:27,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (1/1) ... [2023-11-26 11:52:27,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (1/1) ... [2023-11-26 11:52:28,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (1/1) ... [2023-11-26 11:52:28,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (1/1) ... [2023-11-26 11:52:28,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (1/1) ... [2023-11-26 11:52:28,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (1/1) ... [2023-11-26 11:52:28,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:28,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:28,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:28,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:28,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (1/1) ... [2023-11-26 11:52:28,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:28,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:28,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:28,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:52:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:28,570 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:28,573 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:30,943 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:31,037 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:31,038 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:52:31,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:31 BoogieIcfgContainer [2023-11-26 11:52:31,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:31,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:31,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:31,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:31,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:26" (1/3) ... [2023-11-26 11:52:31,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f33fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:31, skipping insertion in model container [2023-11-26 11:52:31,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:27" (2/3) ... [2023-11-26 11:52:31,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f33fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:31, skipping insertion in model container [2023-11-26 11:52:31,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:31" (3/3) ... [2023-11-26 11:52:31,053 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p02.c [2023-11-26 11:52:31,074 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:31,074 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:52:31,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:31,165 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;@68f01fa6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:31,165 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:52:31,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 399 states, 397 states have (on average 1.6675062972292192) internal successors, (662), 398 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:31,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-26 11:52:31,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:31,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:31,186 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:31,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:31,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1699924934, now seen corresponding path program 1 times [2023-11-26 11:52:31,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:31,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172082166] [2023-11-26 11:52:31,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:31,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:32,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:32,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172082166] [2023-11-26 11:52:32,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172082166] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:32,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:32,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:52:32,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551215592] [2023-11-26 11:52:32,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:32,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:52:32,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:32,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:52:32,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:52:32,118 INFO L87 Difference]: Start difference. First operand has 399 states, 397 states have (on average 1.6675062972292192) internal successors, (662), 398 states have internal predecessors, (662), 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 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:32,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:32,373 INFO L93 Difference]: Finished difference Result 1115 states and 1854 transitions. [2023-11-26 11:52:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:52:32,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2023-11-26 11:52:32,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:32,402 INFO L225 Difference]: With dead ends: 1115 [2023-11-26 11:52:32,402 INFO L226 Difference]: Without dead ends: 756 [2023-11-26 11:52:32,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:52:32,417 INFO L413 NwaCegarLoop]: 667 mSDtfsCounter, 1789 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 1978 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:32,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 1978 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:52:32,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2023-11-26 11:52:32,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 400. [2023-11-26 11:52:32,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 399 states have (on average 1.6566416040100251) internal successors, (661), 399 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:32,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 661 transitions. [2023-11-26 11:52:32,518 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 661 transitions. Word has length 40 [2023-11-26 11:52:32,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:32,519 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 661 transitions. [2023-11-26 11:52:32,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:32,520 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 661 transitions. [2023-11-26 11:52:32,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-26 11:52:32,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:32,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:32,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:52:32,523 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:32,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:32,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1422194230, now seen corresponding path program 1 times [2023-11-26 11:52:32,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:32,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603303738] [2023-11-26 11:52:32,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:32,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:32,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:32,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603303738] [2023-11-26 11:52:32,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603303738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:32,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:32,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:52:32,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388473287] [2023-11-26 11:52:32,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:32,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:52:32,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:32,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:52:32,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:52:32,954 INFO L87 Difference]: Start difference. First operand 400 states and 661 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:33,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:33,008 INFO L93 Difference]: Finished difference Result 404 states and 665 transitions. [2023-11-26 11:52:33,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:52:33,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 41 [2023-11-26 11:52:33,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:33,013 INFO L225 Difference]: With dead ends: 404 [2023-11-26 11:52:33,013 INFO L226 Difference]: Without dead ends: 402 [2023-11-26 11:52:33,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:52:33,016 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 1 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1960 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:33,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1960 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:33,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2023-11-26 11:52:33,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2023-11-26 11:52:33,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 401 states have (on average 1.653366583541147) internal successors, (663), 401 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 663 transitions. [2023-11-26 11:52:33,035 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 663 transitions. Word has length 41 [2023-11-26 11:52:33,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:33,036 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 663 transitions. [2023-11-26 11:52:33,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:33,037 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 663 transitions. [2023-11-26 11:52:33,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-26 11:52:33,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:33,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:33,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:52:33,043 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:33,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:33,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1136563424, now seen corresponding path program 1 times [2023-11-26 11:52:33,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:33,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356247078] [2023-11-26 11:52:33,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:33,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:33,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:33,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356247078] [2023-11-26 11:52:33,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356247078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:33,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:33,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:52:33,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32670750] [2023-11-26 11:52:33,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:33,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:52:33,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:33,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:52:33,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:52:33,983 INFO L87 Difference]: Start difference. First operand 402 states and 663 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:34,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:34,253 INFO L93 Difference]: Finished difference Result 1493 states and 2461 transitions. [2023-11-26 11:52:34,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 11:52:34,253 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2023-11-26 11:52:34,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:34,282 INFO L225 Difference]: With dead ends: 1493 [2023-11-26 11:52:34,284 INFO L226 Difference]: Without dead ends: 1131 [2023-11-26 11:52:34,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:52:34,286 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 2400 mSDsluCounter, 2605 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 3261 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:34,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2400 Valid, 3261 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:52:34,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2023-11-26 11:52:34,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 406. [2023-11-26 11:52:34,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 405 states have (on average 1.6493827160493828) internal successors, (668), 405 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:34,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 668 transitions. [2023-11-26 11:52:34,303 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 668 transitions. Word has length 42 [2023-11-26 11:52:34,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:34,303 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 668 transitions. [2023-11-26 11:52:34,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:34,304 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 668 transitions. [2023-11-26 11:52:34,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-26 11:52:34,305 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:34,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:34,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:52:34,306 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:34,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:34,307 INFO L85 PathProgramCache]: Analyzing trace with hash -636415432, now seen corresponding path program 1 times [2023-11-26 11:52:34,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:34,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353450581] [2023-11-26 11:52:34,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:34,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:34,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:34,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353450581] [2023-11-26 11:52:34,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353450581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:34,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:34,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:52:34,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108632681] [2023-11-26 11:52:34,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:34,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:52:34,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:34,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:52:34,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:52:34,444 INFO L87 Difference]: Start difference. First operand 406 states and 668 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:34,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:34,487 INFO L93 Difference]: Finished difference Result 775 states and 1274 transitions. [2023-11-26 11:52:34,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:52:34,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 42 [2023-11-26 11:52:34,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:34,491 INFO L225 Difference]: With dead ends: 775 [2023-11-26 11:52:34,491 INFO L226 Difference]: Without dead ends: 409 [2023-11-26 11:52:34,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:52:34,493 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 1 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1958 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:34,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1958 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:34,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2023-11-26 11:52:34,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 408. [2023-11-26 11:52:34,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 407 states have (on average 1.6461916461916462) internal successors, (670), 407 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:34,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 670 transitions. [2023-11-26 11:52:34,506 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 670 transitions. Word has length 42 [2023-11-26 11:52:34,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:34,506 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 670 transitions. [2023-11-26 11:52:34,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:34,507 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 670 transitions. [2023-11-26 11:52:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-26 11:52:34,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:34,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:34,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:52:34,509 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:34,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:34,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1533738378, now seen corresponding path program 1 times [2023-11-26 11:52:34,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:34,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472892075] [2023-11-26 11:52:34,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:34,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:34,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:34,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472892075] [2023-11-26 11:52:34,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472892075] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:34,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:34,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 11:52:34,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774844269] [2023-11-26 11:52:34,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:34,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 11:52:34,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:34,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:52:34,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:52:34,855 INFO L87 Difference]: Start difference. First operand 408 states and 670 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:35,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:35,023 INFO L93 Difference]: Finished difference Result 789 states and 1294 transitions. [2023-11-26 11:52:35,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:52:35,024 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 43 [2023-11-26 11:52:35,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:35,027 INFO L225 Difference]: With dead ends: 789 [2023-11-26 11:52:35,027 INFO L226 Difference]: Without dead ends: 421 [2023-11-26 11:52:35,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:52:35,029 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 2975 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2975 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:35,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2975 Valid, 1530 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:52:35,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-11-26 11:52:35,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 403. [2023-11-26 11:52:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 402 states have (on average 1.6492537313432836) internal successors, (663), 402 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:35,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 663 transitions. [2023-11-26 11:52:35,042 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 663 transitions. Word has length 43 [2023-11-26 11:52:35,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:35,042 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 663 transitions. [2023-11-26 11:52:35,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:35,043 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 663 transitions. [2023-11-26 11:52:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-26 11:52:35,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:35,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:35,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:52:35,044 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:35,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:35,045 INFO L85 PathProgramCache]: Analyzing trace with hash -986221556, now seen corresponding path program 1 times [2023-11-26 11:52:35,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:35,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351615840] [2023-11-26 11:52:35,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:35,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:35,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:35,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351615840] [2023-11-26 11:52:35,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351615840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:35,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:35,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:52:35,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412339037] [2023-11-26 11:52:35,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:35,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:52:35,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:35,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:52:35,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:52:35,532 INFO L87 Difference]: Start difference. First operand 403 states and 663 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:36,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:36,306 INFO L93 Difference]: Finished difference Result 780 states and 1281 transitions. [2023-11-26 11:52:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:52:36,307 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 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 43 [2023-11-26 11:52:36,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:36,310 INFO L225 Difference]: With dead ends: 780 [2023-11-26 11:52:36,310 INFO L226 Difference]: Without dead ends: 417 [2023-11-26 11:52:36,311 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 [2023-11-26 11:52:36,312 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 1210 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:36,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 2100 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-26 11:52:36,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2023-11-26 11:52:36,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 403. [2023-11-26 11:52:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 402 states have (on average 1.6467661691542288) internal successors, (662), 402 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 662 transitions. [2023-11-26 11:52:36,325 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 662 transitions. Word has length 43 [2023-11-26 11:52:36,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:36,326 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 662 transitions. [2023-11-26 11:52:36,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 662 transitions. [2023-11-26 11:52:36,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-26 11:52:36,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:36,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:36,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:52:36,328 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:36,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:36,328 INFO L85 PathProgramCache]: Analyzing trace with hash -986281138, now seen corresponding path program 1 times [2023-11-26 11:52:36,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:36,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854552979] [2023-11-26 11:52:36,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:36,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:36,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:36,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:36,468 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:52:36,469 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:52:36,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:52:36,475 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:36,478 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:52:36,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 11:52:36,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-26 11:52:36,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-26 11:52:36,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-26 11:52:36,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-26 11:52:36,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-26 11:52:36,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-26 11:52:36,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-26 11:52:36,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-26 11:52:36,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:52:36,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-26 11:52:36,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-26 11:52:36,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-26 11:52:36,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-26 11:52:36,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-26 11:52:36,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-26 11:52:36,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-26 11:52:36,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-26 11:52:36,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-26 11:52:36,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-26 11:52:36,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-26 11:52:36,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-26 11:52:36,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-26 11:52:36,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-26 11:52:36,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated [2023-11-26 11:52:36,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-26 11:52:36,570 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated [2023-11-26 11:52:36,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet50 could not be translated [2023-11-26 11:52:36,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated [2023-11-26 11:52:36,574 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet52 could not be translated [2023-11-26 11:52:36,575 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet53 could not be translated [2023-11-26 11:52:36,575 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 11:52:36,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:36 BoogieIcfgContainer [2023-11-26 11:52:36,599 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:52:36,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:36,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:36,600 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:36,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:31" (3/4) ... [2023-11-26 11:52:36,603 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:52:36,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:36,605 INFO L158 Benchmark]: Toolchain (without parser) took 10131.39ms. Allocated memory was 169.9MB in the beginning and 362.8MB in the end (delta: 192.9MB). Free memory was 120.0MB in the beginning and 154.3MB in the end (delta: -34.3MB). Peak memory consumption was 160.2MB. Max. memory is 16.1GB. [2023-11-26 11:52:36,605 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:36,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 913.55ms. Allocated memory is still 169.9MB. Free memory was 119.7MB in the beginning and 128.2MB in the end (delta: -8.5MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2023-11-26 11:52:36,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 370.70ms. Allocated memory is still 169.9MB. Free memory was 128.2MB in the beginning and 82.2MB in the end (delta: 46.0MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-26 11:52:36,606 INFO L158 Benchmark]: Boogie Preprocessor took 359.39ms. Allocated memory is still 169.9MB. Free memory was 82.2MB in the beginning and 96.9MB in the end (delta: -14.7MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-11-26 11:52:36,607 INFO L158 Benchmark]: RCFGBuilder took 2916.71ms. Allocated memory was 169.9MB in the beginning and 253.8MB in the end (delta: 83.9MB). Free memory was 96.2MB in the beginning and 157.9MB in the end (delta: -61.7MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2023-11-26 11:52:36,607 INFO L158 Benchmark]: TraceAbstraction took 5556.49ms. Allocated memory was 253.8MB in the beginning and 362.8MB in the end (delta: 109.1MB). Free memory was 157.9MB in the beginning and 154.3MB in the end (delta: 3.7MB). Peak memory consumption was 111.7MB. Max. memory is 16.1GB. [2023-11-26 11:52:36,608 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 362.8MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:36,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 913.55ms. Allocated memory is still 169.9MB. Free memory was 119.7MB in the beginning and 128.2MB in the end (delta: -8.5MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 370.70ms. Allocated memory is still 169.9MB. Free memory was 128.2MB in the beginning and 82.2MB in the end (delta: 46.0MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 359.39ms. Allocated memory is still 169.9MB. Free memory was 82.2MB in the beginning and 96.9MB in the end (delta: -14.7MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2916.71ms. Allocated memory was 169.9MB in the beginning and 253.8MB in the end (delta: 83.9MB). Free memory was 96.2MB in the beginning and 157.9MB in the end (delta: -61.7MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5556.49ms. Allocated memory was 253.8MB in the beginning and 362.8MB in the end (delta: 109.1MB). Free memory was 157.9MB in the beginning and 154.3MB in the end (delta: 3.7MB). Peak memory consumption was 111.7MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 362.8MB. Free memory is still 154.3MB. 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~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet53 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 165. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_45 mask_SORT_45 = (SORT_45)-1 >> (sizeof(SORT_45) * 8 - 3); [L36] const SORT_45 msb_SORT_45 = (SORT_45)1 << (3 - 1); [L38] const SORT_86 mask_SORT_86 = (SORT_86)-1 >> (sizeof(SORT_86) * 8 - 4); [L39] const SORT_86 msb_SORT_86 = (SORT_86)1 << (4 - 1); [L41] const SORT_143 mask_SORT_143 = (SORT_143)-1 >> (sizeof(SORT_143) * 8 - 32); [L42] const SORT_143 msb_SORT_143 = (SORT_143)1 << (32 - 1); [L44] const SORT_167 mask_SORT_167 = (SORT_167)-1 >> (sizeof(SORT_167) * 8 - 2); [L45] const SORT_167 msb_SORT_167 = (SORT_167)1 << (2 - 1); [L47] const SORT_3 var_7 = 0; [L48] const SORT_1 var_11 = 0; [L49] const SORT_1 var_20 = 1; [L50] const SORT_5 var_32 = 0; [L51] const SORT_45 var_46 = 0; [L52] const SORT_45 var_50 = 2; [L53] const SORT_45 var_54 = 1; [L54] const SORT_45 var_59 = 4; [L55] const SORT_45 var_61 = 5; [L56] const SORT_45 var_65 = 3; [L57] const SORT_3 var_73 = 2; [L58] const SORT_45 var_103 = 7; [L59] const SORT_45 var_108 = 6; [L60] const SORT_143 var_145 = 0; [L61] const SORT_3 var_176 = 31; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_164; [L67] SORT_3 input_165; [L68] SORT_3 input_166; [L69] SORT_3 input_175; [L70] SORT_3 input_185; [L71] SORT_3 input_186; [L72] SORT_3 input_187; [L73] SORT_3 input_190; [L74] SORT_3 input_209; [L75] SORT_3 input_210; [L76] SORT_3 input_211; [L77] SORT_3 input_214; [L78] SORT_3 input_216; [L79] SORT_167 input_230; [L80] SORT_167 input_231; [L81] SORT_167 input_232; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L83] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L84] SORT_3 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L85] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L86] SORT_3 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L87] SORT_3 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L88] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L89] SORT_5 state_33 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L90] SORT_3 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L91] SORT_3 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L92] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L93] SORT_3 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L94] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_45 VAL [mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L95] SORT_45 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L97] SORT_3 init_9_arg_1 = var_7; [L98] state_8 = init_9_arg_1 [L99] SORT_3 init_14_arg_1 = var_7; [L100] state_13 = init_14_arg_1 [L101] SORT_3 init_25_arg_1 = var_7; [L102] state_24 = init_25_arg_1 [L103] SORT_3 init_27_arg_1 = var_7; [L104] state_26 = init_27_arg_1 [L105] SORT_3 init_29_arg_1 = var_7; [L106] state_28 = init_29_arg_1 [L107] SORT_1 init_31_arg_1 = var_11; [L108] state_30 = init_31_arg_1 [L109] SORT_5 init_34_arg_1 = var_32; [L110] state_33 = init_34_arg_1 [L111] SORT_3 init_36_arg_1 = var_7; [L112] state_35 = init_36_arg_1 [L113] SORT_3 init_38_arg_1 = var_7; [L114] state_37 = init_38_arg_1 [L115] SORT_3 init_40_arg_1 = var_7; [L116] state_39 = init_40_arg_1 [L117] SORT_3 init_42_arg_1 = var_7; [L118] state_41 = init_42_arg_1 [L119] SORT_3 init_44_arg_1 = var_7; [L120] state_43 = init_44_arg_1 [L121] SORT_45 init_48_arg_1 = var_46; [L122] state_47 = init_48_arg_1 VAL [init_14_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_48_arg_1=0, init_9_arg_1=0, mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_47=0, state_8=0, var_103=7, var_108=6, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_164 = __VERIFIER_nondet_uchar() [L129] input_165 = __VERIFIER_nondet_uchar() [L130] input_166 = __VERIFIER_nondet_uchar() [L131] input_175 = __VERIFIER_nondet_uchar() [L132] input_185 = __VERIFIER_nondet_uchar() [L133] input_186 = __VERIFIER_nondet_uchar() [L134] input_187 = __VERIFIER_nondet_uchar() [L135] input_190 = __VERIFIER_nondet_uchar() [L136] input_209 = __VERIFIER_nondet_uchar() [L137] input_210 = __VERIFIER_nondet_uchar() [L138] input_211 = __VERIFIER_nondet_uchar() [L139] input_214 = __VERIFIER_nondet_uchar() [L140] input_216 = __VERIFIER_nondet_uchar() [L141] input_230 = __VERIFIER_nondet_uchar() [L142] input_231 = __VERIFIER_nondet_uchar() [L143] input_232 = __VERIFIER_nondet_uchar() [L146] SORT_3 var_10_arg_0 = state_8; [L147] SORT_1 var_10 = var_10_arg_0 >> 0; VAL [init_14_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_48_arg_1=0, init_9_arg_1=0, mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_47=0, state_8=0, var_103=7, var_108=6, var_10=0, var_10_arg_0=0, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L148] EXPR var_10 & mask_SORT_1 VAL [init_14_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_48_arg_1=0, init_9_arg_1=0, mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_47=0, state_8=0, var_103=7, var_108=6, var_10=0, var_10_arg_0=0, var_11=0, var_145=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L148] var_10 = var_10 & mask_SORT_1 [L149] SORT_1 var_12_arg_0 = var_10; [L150] SORT_1 var_12_arg_1 = var_11; [L151] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L152] SORT_3 var_15_arg_0 = state_13; [L153] SORT_1 var_15 = var_15_arg_0 >> 0; VAL [init_14_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_48_arg_1=0, init_9_arg_1=0, mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_47=0, state_8=0, var_103=7, var_108=6, var_10=0, var_10_arg_0=0, var_11=0, var_12=1, var_12_arg_0=0, var_12_arg_1=0, var_145=0, var_15=0, var_15_arg_0=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L154] EXPR var_15 & mask_SORT_1 VAL [init_14_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_48_arg_1=0, init_9_arg_1=0, mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_47=0, state_8=0, var_103=7, var_108=6, var_10=0, var_10_arg_0=0, var_11=0, var_12=1, var_12_arg_0=0, var_12_arg_1=0, var_145=0, var_15=0, var_15_arg_0=0, var_176=31, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L154] var_15 = var_15 & mask_SORT_1 [L155] SORT_1 var_16_arg_0 = var_15; [L156] SORT_1 var_16_arg_1 = var_11; [L157] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L158] SORT_1 var_17_arg_0 = var_12; [L159] SORT_1 var_17_arg_1 = var_16; VAL [init_14_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_48_arg_1=0, init_9_arg_1=0, mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_47=0, state_8=0, var_103=7, var_108=6, var_10=0, var_10_arg_0=0, var_11=0, var_12=1, var_12_arg_0=0, var_12_arg_1=0, var_145=0, var_15=0, var_15_arg_0=0, var_16=1, var_16_arg_0=0, var_16_arg_1=0, var_176=31, var_17_arg_0=1, var_17_arg_1=1, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L160] EXPR var_17_arg_0 & var_17_arg_1 VAL [init_14_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_48_arg_1=0, init_9_arg_1=0, mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_47=0, state_8=0, var_103=7, var_108=6, var_10=0, var_10_arg_0=0, var_11=0, var_12=1, var_12_arg_0=0, var_12_arg_1=0, var_145=0, var_15=0, var_15_arg_0=0, var_16=1, var_16_arg_0=0, var_16_arg_1=0, var_176=31, var_17_arg_0=1, var_17_arg_1=1, var_20=1, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L160] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L161] SORT_1 var_21_arg_0 = var_17; [L162] SORT_1 var_21 = ~var_21_arg_0; [L163] SORT_1 var_22_arg_0 = var_20; [L164] SORT_1 var_22_arg_1 = var_21; VAL [init_14_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_48_arg_1=0, init_9_arg_1=0, mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_47=0, state_8=0, var_103=7, var_108=6, var_10=0, var_10_arg_0=0, var_11=0, var_12=1, var_12_arg_0=0, var_12_arg_1=0, var_145=0, var_15=0, var_15_arg_0=0, var_16=1, var_16_arg_0=0, var_16_arg_1=0, var_176=31, var_17=1, var_17_arg_0=1, var_17_arg_1=1, var_20=1, var_21=254, var_21_arg_0=1, var_22_arg_0=1, var_22_arg_1=254, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L165] EXPR var_22_arg_0 & var_22_arg_1 VAL [init_14_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_48_arg_1=0, init_9_arg_1=0, mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_47=0, state_8=0, var_103=7, var_108=6, var_10=0, var_10_arg_0=0, var_11=0, var_12=1, var_12_arg_0=0, var_12_arg_1=0, var_145=0, var_15=0, var_15_arg_0=0, var_16=1, var_16_arg_0=0, var_16_arg_1=0, var_176=31, var_17=1, var_17_arg_0=1, var_17_arg_1=1, var_20=1, var_21=254, var_21_arg_0=1, var_22_arg_0=1, var_22_arg_1=254, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L165] SORT_1 var_22 = var_22_arg_0 & var_22_arg_1; [L166] EXPR var_22 & mask_SORT_1 VAL [init_14_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_48_arg_1=0, init_9_arg_1=0, mask_SORT_143=4294967295, mask_SORT_167=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_45=7, mask_SORT_5=4095, mask_SORT_86=15, msb_SORT_143=2147483648, msb_SORT_167=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_45=4, msb_SORT_5=2048, msb_SORT_86=8, state_13=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_47=0, state_8=0, var_103=7, var_108=6, var_10=0, var_10_arg_0=0, var_11=0, var_12=1, var_12_arg_0=0, var_12_arg_1=0, var_145=0, var_15=0, var_15_arg_0=0, var_16=1, var_16_arg_0=0, var_16_arg_1=0, var_176=31, var_17=1, var_17_arg_0=1, var_17_arg_1=1, var_20=1, var_21=254, var_21_arg_0=1, var_22=1, var_22_arg_0=1, var_22_arg_1=254, var_32=0, var_46=0, var_50=2, var_54=1, var_59=4, var_61=5, var_65=3, var_73=2, var_7=0] [L166] var_22 = var_22 & mask_SORT_1 [L167] SORT_1 bad_23_arg_0 = var_22; [L168] CALL __VERIFIER_assert(!(bad_23_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, 399 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8376 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8376 mSDsluCounter, 12787 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8990 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 825 IncrementalHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 3797 mSDtfsCounter, 825 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=4, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1114 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 843 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 11:52:36,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c9237163e2805f66062dc578af6664f7122718fcb3464bd31fd071298f5647b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:39,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:39,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-26 11:52:39,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:39,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:39,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:39,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:39,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:39,561 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:39,561 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:39,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:39,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:39,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:39,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:39,565 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:39,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:39,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:39,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:39,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:39,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:39,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:39,569 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:52:39,570 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:52:39,570 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:52:39,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:39,572 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:39,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:39,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:39,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:52:39,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:39,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:39,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:39,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:39,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:39,576 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:52:39,576 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:52:39,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:39,577 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:39,577 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:39,577 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:39,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:39,578 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:52:39,578 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_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9237163e2805f66062dc578af6664f7122718fcb3464bd31fd071298f5647b0 [2023-11-26 11:52:39,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:39,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:39,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:39,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:39,975 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:39,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p02.c [2023-11-26 11:52:43,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:43,549 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:43,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p02.c [2023-11-26 11:52:43,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/data/4139ea1cf/b31b9ba7c7ed4abfb35028ee5dbf9b3d/FLAG4dda0c835 [2023-11-26 11:52:43,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/data/4139ea1cf/b31b9ba7c7ed4abfb35028ee5dbf9b3d [2023-11-26 11:52:43,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:43,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:43,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:43,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:43,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:43,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:43" (1/1) ... [2023-11-26 11:52:43,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca51b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:43, skipping insertion in model container [2023-11-26 11:52:43,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:43" (1/1) ... [2023-11-26 11:52:43,681 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:43,912 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_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p02.c[1259,1272] [2023-11-26 11:52:44,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:44,217 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:44,231 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_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p02.c[1259,1272] [2023-11-26 11:52:44,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:44,411 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:44,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44 WrapperNode [2023-11-26 11:52:44,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:44,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:44,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:44,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:44,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (1/1) ... [2023-11-26 11:52:44,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (1/1) ... [2023-11-26 11:52:44,621 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1074 [2023-11-26 11:52:44,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:44,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:44,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:44,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:44,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (1/1) ... [2023-11-26 11:52:44,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (1/1) ... [2023-11-26 11:52:44,675 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (1/1) ... [2023-11-26 11:52:44,723 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:52:44,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (1/1) ... [2023-11-26 11:52:44,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (1/1) ... [2023-11-26 11:52:44,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (1/1) ... [2023-11-26 11:52:44,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (1/1) ... [2023-11-26 11:52:44,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (1/1) ... [2023-11-26 11:52:44,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (1/1) ... [2023-11-26 11:52:44,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:44,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:44,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:44,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:44,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (1/1) ... [2023-11-26 11:52:44,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:44,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:44,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:44,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:52:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:45,313 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:45,316 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:46,773 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:46,863 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:46,865 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:52:46,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:46 BoogieIcfgContainer [2023-11-26 11:52:46,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:46,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:46,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:46,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:46,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:43" (1/3) ... [2023-11-26 11:52:46,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150d9a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:46, skipping insertion in model container [2023-11-26 11:52:46,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:44" (2/3) ... [2023-11-26 11:52:46,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150d9a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:46, skipping insertion in model container [2023-11-26 11:52:46,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:46" (3/3) ... [2023-11-26 11:52:46,881 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p02.c [2023-11-26 11:52:46,904 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:46,905 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:52:46,969 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:46,977 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;@16edbf09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:46,977 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:52:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:46,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-26 11:52:46,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:46,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-26 11:52:46,990 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:46,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:46,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-26 11:52:47,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:52:47,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119972019] [2023-11-26 11:52:47,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:47,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:52:47,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:52:47,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:52:47,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 11:52:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:47,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-26 11:52:47,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:47,733 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:47,734 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:52:47,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119972019] [2023-11-26 11:52:47,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119972019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:47,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:47,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:47,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022956673] [2023-11-26 11:52:47,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:47,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:52:47,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:52:47,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:52:47,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:52:47,773 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:47,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:47,998 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-26 11:52:47,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:52:48,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-26 11:52:48,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:48,014 INFO L225 Difference]: With dead ends: 16 [2023-11-26 11:52:48,014 INFO L226 Difference]: Without dead ends: 9 [2023-11-26 11:52:48,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:52:48,020 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:48,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 11:52:48,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-26 11:52:48,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-26 11:52:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:48,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-26 11:52:48,053 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-26 11:52:48,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:48,053 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-26 11:52:48,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:48,054 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-26 11:52:48,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-26 11:52:48,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:48,054 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-26 11:52:48,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-26 11:52:48,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:52:48,257 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:48,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:48,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-26 11:52:48,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:52:48,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295956859] [2023-11-26 11:52:48,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:48,261 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:52:48,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:52:48,264 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:52:48,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 11:52:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:49,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-26 11:52:49,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:50,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:50,182 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:52:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:52,799 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:52:52,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295956859] [2023-11-26 11:52:52,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295956859] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:52:52,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:52:52,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-26 11:52:52,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703526791] [2023-11-26 11:52:52,806 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:52:52,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 11:52:52,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:52:52,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:52:52,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:52:52,810 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) [2023-11-26 11:52:53,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:53,516 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-26 11:52:53,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:52:53,518 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 [2023-11-26 11:52:53,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:53,519 INFO L225 Difference]: With dead ends: 14 [2023-11-26 11:52:53,519 INFO L226 Difference]: Without dead ends: 12 [2023-11-26 11:52:53,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-26 11:52:53,521 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:53,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 11:52:53,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-26 11:52:53,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-26 11:52:53,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-26 11:52:53,532 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-26 11:52:53,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:53,532 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-26 11:52:53,533 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) [2023-11-26 11:52:53,533 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-26 11:52:53,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-26 11:52:53,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:53,535 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-11-26 11:52:53,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:53,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:52:53,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:53,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:53,745 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-11-26 11:52:53,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:52:53,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578977712] [2023-11-26 11:52:53,749 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:52:53,749 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:52:53,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:52:53,752 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:52:53,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd76aa7-1d43-403d-a9d0-9cb07555aba0/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-26 11:52:57,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 11:52:57,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:52:57,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 1744 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-26 11:52:57,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:58,507 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:58,508 INFO L327 TraceCheckSpWp]: Computing backward predicates...